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  • Yale Climate: The most extreme heat wave recorded in modern history

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    Temperatures will be 6 to 14 degrees Celsius (11 to 25 degrees Fahrenheit) above average at 5 a.m. PDT Sunday, July 11, 2021, over much of the Southwest U.S., according to the 12Z Thursday, July 1, run of the GFS model. (Image credit: tropicaltidbits.com)

    By Bob Henson and Jeff Masters.

    Hundreds of North Americans – and perhaps many more yet to be tallied – have died of heat-related illness over the past week after a mind-boggling heat wave struck the U.S. Pacific Northwest U.S. and far southwest Canada. It’s virtually certain to be the deadliest weather event on record for the region. The unprecedented death toll is the result of a heat onslaught more intense by some measures than anything in global records, yet very much in line with the expected impacts of a human-warmed climate.

    The poster community of this horrific episode has to be Lytton, British Columbia. The town broke Canada’s longstanding all-time national high temperature of 45 degrees Celsius (113 degrees Fahrenheit) with a high of 46.6°C (116°F) on Sunday, June 27. The next day brought 47.9°C (118.2°F), and Tuesday a stunning 49.6°C (121°F).

    The intense heat flash-dried the rugged, forested landscape, and wildfires mushroomed across the area on Wednesday, June 30. By evening, the entire town of Lytton was under mandatory evacuation orders, and Mayor Jan Polderman told CBC News that “the whole town is on fire.” Most homes in Lytton have been destroyed, according to provincial authorities. ...


    Continue at Yale Climate Connections: Western Canada burns and deaths mount after world’s most extreme heat wave in modern history. More #YaleClimateConnections.

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  • Yale Climate: Tropical Disturbance in Gulf of Mexico may become Tropical Storm Claudette by Friday

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    92L in the Gulf of Mexico as seen by the GOES-16 satellite at 10 a.m. EDT June 16, 2021. (Image credit: NOAA/RAMMB/Colorado State University)

    By Jeff Masters.

    Tropical Disturbance 92L in the southern Gulf of Mexico’s Bay of Campeche was spreading heavy rains over southern Mexico and Central America on Wednesday, and it has the potential to develop into Tropical Storm Claudette by Friday. Regardless of development, 92L will bring heavy rains and dangerous flash flooding to the central U.S. Gulf Coast beginning on Friday.

    On Wednesday morning, 92L was meandering near the coast of Mexico. The system had favorable conditions for development, with warm waters of 28-28.5 degrees Celsius (82-83°F), moderate wind shear of 10-15 knots, and a very moist atmosphere with a relative humidity at mid-levels of 80%. Satellite loops showed 92L with a broad circulation, but poorly organized and with limited heavy thunderstorms.

    Steering currents are expected to push 92L slowly northwards at about 5 mph beginning Thursday night. The system will then accelerate, which should result in a landfall over the central or northwest U.S. Gulf Coast by Saturday. The landfall location of 92L could range anywhere from the Upper Texas coast to the Alabama/Florida border, according to the 6Z Wednesday run of the GFS ensemble model (Figure 2). However, the exact landfall location of 92L’s center is relatively unimportant, since heavy rain will be the storm’s main threat, and a wide swath of heavy rain will affect the central Gulf Coast regardless of 92L’s track. ...

    Yale Climate Connections: Tropical Disturbance in Gulf of Mexico may become Tropical Storm Claudette by Friday. More #YaleClimateConnections.

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  • Why the power is out in Texas ... and why other states are vulnerable too

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    Steam fog extends across Lake Thunderbird in Norman, Oklahoma, on the morning of February 16, 2021. Just to the north, Oklahoma City dipped to -14°F, the city’s coldest reading since its all-time record low of -17°F on February 12, 1899. Power outages affected parts of Oklahoma and nearby states, with by far the worst impact in Texas. (Photo credit: James LaDue).


    By Bob Hensen.

    It wasn’t a torrid heat wave or a Category 5 hurricane that brought the Texas electrical grid to its knees on February 15. Instead, it was the most widespread and intense cold and snow in decades.

    The frigid onslaught triggered a cascade of events that left millions of Texans shivering in the darkness of unheated, unlit homes. Temperatures sank well below freezing all the way to the Texas coast, putting Houston below 32 degrees Fahrenheit for nearly 48 hours and leaving countless records broken on the icy plains.

    All-time lows were set in Tyler (-5°F) and Longview (-6°F), and a bone-chilling -20°F was reported in the Texas Panhandle. ...

    Yale Climate Connections: Why the power is out in Texas ... and why other states are vulnerable too. More #YaleClimateConnections.

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  • Hurricane Iota expected to strengthen to major hurricane ahead of landfall in Central America

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    By Jeff Masters, Ph.D.

    Tropical Storm Iota formed in the central Caribbean Friday afternoon, becoming the 30th named storm of this record-busy 2020 Atlantic hurricane season. The previous record for most named storms in a season was 28, set in 2005.

    Iota is predicted to rapidly intensify and be close to major hurricane strength on Monday night, when it will be approaching landfall near the Nicaragua/Honduras border. Iota will likely bring catastrophic rains of 8-16 inches, with isolated amounts of 20-30 inches, to portions of Central America still recovering from devastating Hurricane Eta, which hit northern Nicaragua as a category 4 storm with 140 mph winds on November 3. ...

    Iota’s formation in November gives the 2020 Atlantic hurricane two records for late-season activity: five Caribbean named storms since October 1 (tying with 2005 for most Caribbean named storm formations after October 1), and three November named storms (tying with 1931, 1961, 2001 and 2005 for most Atlantic named storms to form in November). As measured by accumulated cyclone energy (ACE), Atlantic hurricane activity since October 20 has been more akin to what is seen in an average September – typically the peak month of hurricane season. (Thanks go to Dr. Phil Klotzbach for these stats.) ...

    Yale Climate Connections: Hurricane Iota expected to strengthen to major hurricane ahead of landfall in Central America. More #YaleClimateConnections.

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  • Tropical Storm Eta makes landfall on Florida Keys; expected to become hurricane

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    A strengthening Tropical Storm Eta made landfall on Florida’s Lower Matecumbe Key on Sunday night, days after leaving scores of dead and over 100 missing in Mexico and Central America.

    The U.S. National Hurricane Center in Miami declared hurricane and storm surge warnings for the Keys from Ocean Reef to the Dry Tortugas, including Florida Bay.

    Florida officials closed beaches, ports and COVID testing sites, shut down public transportation and urged residents to stay off the street. Several shelters also opened in Miami and the Florida Keys for residents in mobile homes and low lying areas. Broward County also shut down in-person schooling Monday and Miami seemed poised to do the same. ...

    USA Today: Tropical Storm Eta makes landfall on Florida Keys; expected to become hurricane.


    The counterclockwise flow of air around a trough of low pressure to its west will steer Eta in a curving arc through the Florida Keys on Sunday, and then into the southeastern Gulf of Mexico on Monday. The southern end of the upper-level trough is detaching from the jet stream and forming a closed low over the southeastern Gulf, and this low is expected to merge with Eta on Monday. During this process, wind shear will fall from the high range to the moderate range, potentially allowing Eta to intensify into a category 1 hurricane as it passes through the Florida Keys on Sunday evening.

    It’s more likely though that Eta would reach hurricane strength on Monday. However, there is also dry air associated with the trough, and that dry air will potentially wrap into the core of Eta and put the brakes on any rapid intensification. ...

    Regardless of the exact track of Eta’s center, the storm will bring heavy rains, strong winds, and storm surge flooding well to the east of its center, resulting in several days of squally weather and locally torrential rain for South Florida and the Bahamas.

    Yale Climate Connections: Tropical Storm Eta strengthens on approach to Florida Keys. More #YaleClimateConnections.

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  • Eta regains tropical storm status, heads for Florida after causing devastation in Central America

    More than 100 people died in Central America and 400,000 have been displaced in Honduras.

    By Jeff Masters, Ph.D.

    1120_eta-flood-rescue_974.jpg
    Police candidate Ernahi Pineda braves Hurricane Eta’s floodwaters on the Cececapa River on Santa Barbara, Honduras, to rescue 14 people trapped by the flood on November 6, 2020. The rescue was successful. (Image credit: Policia Nacional de Honduras).

    A Tropical Storm Warning is up for South Florida, the Florida Keys, the Cayman Islands, and portions of the Bahamas and Cuba as a strengthening Tropical Storm Eta heads east-northeast across the western Caribbean.

    At 10 a.m. EST Saturday, November 7, Eta was a tropical storm with 50 mph winds and a central pressure of 996 mb, speeding east-northeast at 17 mph. Satellite images and Cayman Islands radar showed that Eta had become much more organized, with a solid area of heavy thunderstorms and increased low-level spiral bands that were growing more organized. ...

    A trough of low pressure to its west will continue steering Eta to the northeast through Sunday, resulting in a landfall on the central coast of Cuba on Saturday night or Sunday morning. ...

    Regardless of whether or not Eta makes landfall in Florida, the storm will bring heavy rains and strong winds well to the east of its center, resulting in several days of squally weather and locally torrential rain for South Florida. ...

    Continue at Yale Climate Connections: Eta regains tropical storm status, heads for Florida after causing devastation in Central America. More #YaleClimateConnections.

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  • Eta kills dozens in Central America, reorganizes over Caribbean

    Eta is forecast to regain tropical storm strength before reaching Cuba and nearing Florida.

    By Bob Henson.

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    Dozens of people died in Central America, and dozens more remained missing on Friday from destructive floods and mudslides from Tropical Depression Eta. The death toll remained uncertain, as rescuers were challenged to reach some of the hardest-hit locations. As it moves into the Northwest Caribbean, Eta is expected to re-intensify, most likely reaching Cuba as a tropical storm this weekend and swinging over or near South Florida by Monday.

    Some of the worst damage from Eta occurred on Wednesday and Thursday as the former Category 4 hurricane weakened to depression status and its rains shifted north into Guatemala, where thousands were reported marooned on Friday. Many of the worst floods in Central America related to tropical cyclones occur with decaying, slow-moving systems such as Eta. ...

    Eta’s track and tropical/subtropical status could continue to produce heavy rains and strong winds well to the east of its center. The upshot is that several days of squally weather and locally torrential rain are likely for South Florida, with the possibility of a named-storm landfall and passage on Monday. Rainfall of 5-10″, with some totals up to 15″, could fall in the coastal cities of South Florida from Fort Myers and Naples to Miami and Fort Lauderdale, where soils are largely saturated from late-October rains. A flood watch is in effect from Friday night into Tuesday over metro areas of Miami-Dade, Broward, and Palm Beach counties. Tornadoes will also be possible in Eta’s rainbands. ...

    Continue at Yale Climate Connections: Eta kills dozens in Central America, reorganizes over Caribbean. More #YaleClimateConnections.

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  • Eta’s rains plague Central America; Will Cuba and Florida be next?

    After pounding Nicaragua and Honduras, Eta is expected to move back into the Caribbean and reorganize as a tropical storm.

    By Bob Henson.

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    Former Hurricane Eta inundated parts of Central America with torrential rains and deadly flooding as a tropical storm on Wednesday, after lashing the Caribbean coast of Nicaragua with a major storm surge and shrieking Category 4 winds. At least three deaths had occurred from landslides and mudslides in Nicaragua and Honduras, according to the Guardian. Eta is expected to move back into the Caribbean and reorganize as a tropical storm late this week, and it may move over or near Florida early next week. ...


    Assuming that Eta does regroup and move toward western Cuba on Friday and Saturday – as indicated by most longer-range model runs, and depicted in the NHC forecast – conditions will likely favor some intensification. Waters remain very warm (around 29°C), and there is ample oceanic heat content. The main limiting factors would be wind shear from the approaching upper-level trough, together with a gradual infusion of dry air into the circulation. NHC predicts that Eta will reach Cuba as a tropical storm around Saturday night. ...

    Bottom line: The details will remain murky until late week, but it’s quite plausible there will be a prolonged period of disturbed weather in and around Florida. Because the circulation in which Eta is embedded remains quite expansive, heavy rains may get underway as soon as Thursday in South Florida, well north of Eta itself. “Flooding is a particular concern given saturated soils across portions of South Florida, especially the east coast metro region,” warned the National Weather Service office in Miami on Wednesday. In addition, the upcoming new moon will favor king tides in the Miami area by the end of next week (November 14-17).

    Continue at Yale Climate Connections: Eta’s rains plague Central America; Will Cuba and Florida be next? More #YaleClimateConnections.

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  • ‘Extremely dangerous’ Hurricane Eta may cause catastrophe in Central America

    The storm is intensifying ahead of its expected Tuesday landfall in Nicaragua.

    By Jeff Masters, Ph.D.

    1120_eta-sat-nov2_974.png
    Infrared satellite image of Hurricane Eta at 11:20 a.m. EST Monday, November 2, 2020. (Image credit: RAMMB/CIRA/Colorado State University).

    Extremely dangerous Hurricane Eta is rapidly intensifying over the warm waters of the Caribbean, and is expected to bring catastrophic winds, storm surge, and rains to Nicaragua when it makes landfall on Tuesday. Honduras is also expected to receive catastrophic rains from Eta, with up to 35 inches of rain expected over the next five days. ...

    With the National Hurricane Center predicting a storm surge of up to 18 feet, winds of 140 mph, and rainfall amounts of up to 35 inches, Eta will be catastrophic for Nicaragua. It’s significant and encouraging that Eta’s landfall location is relatively sparsely populated. However, Eta is expected to tap the moisture supply from two oceans – the Atlantic’s Caribbean Sea and the Eastern Pacific – and will be able to dump truly catastrophic rainfall amounts of 10 – 25 inches over a large portion of Central America. These rains are the primary threat posed by the hurricane. ...

    A concerning long-term forecast ...

    Continue at Yale Climate Connections: ‘Extremely dangerous’ Hurricane Eta may cause catastrophe in Central America. More #YaleClimateConnections.

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  • Super Typhoon Goni slams into Philippines. Strongest landfalling tropical cyclone on record?

    Known as 'Rolly' in the Philippines, the storm likely caused catastrophic damage in the region of Catanduanes Island, where the typhoon made its initial landfall with 195 mph winds.

    By Jeff Masters, Ph.D.

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    Super Typhoon Goni as seen by the light of the Halloween full moon on October 31, 2020, by the VIIRS instrument. The lights of Manila are visible at left. (Image credit: NASA Wolrdview).

    Super Typhoon Goni made landfall near Bato, Catanduanes Island, Philippines, at 4:50 a.m. local time on November 1 (4:50 p.m. EDT October 31), with sustained winds of 195 mph and a central pressure of 884 mb, according to the Joint Typhoon Warning Center (JTWC). Goni was the strongest landfalling tropical cyclone in world recorded history, using one-minute average wind speeds from the National Hurricane Center for the Atlantic/northeast Pacific and one-minute average winds from JTWC for the rest of the planet’s ocean basins.

    The previous record was jointly held by Super Typhoon Meranti, which made landfall on September 16, 2016, on Itbayat Island, Philippines, and Super Typhoon Haiyan, which made landfall on November 8, 2013, on Leyte Island, Philippines. Both had maximum winds of 195 mph at their peak intensity, but made landfall with 190 mph winds, according to JWTC. There are no official world records for strongest landfalling storms, since the JTWC does not routinely assign landfall intensities in their post-season summaries (though they did make an exception for Super Typhoon Haiyan). ...

    Continue at Yale Climate Connections: Super Typhoon Goni slams into Philippines as strongest landfalling tropical cyclone on record. More #YaleClimateConnections.

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  • Zeta expected to hit the U.S. Gulf Coast Wednesday

    Track forecasts suggest the storm will make an initial landfall in Louisiana, then make a second landfall on the coast of Mississippi or Alabama.

    By Jeff Masters, Ph.D.

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    Infrared satellite image of Tropical Storm Zeta at 11:40 a.m. CDT Tuesday, October 27, 2020. (Image credit: NOAA).

    Hurricane warnings are up for portions of Louisiana, Mississippi, and Alabama as Tropical Storm Zeta reorganizes over the Gulf of Mexico after a Monday night landfall as a category 1 hurricane in Mexico’s Yucatan Peninsula. Zeta is expected to re-intensify into a category 1 hurricane and make landfall on the U.S. Gulf Coast on Wednesday afternoon or evening.

    Hurricane Zeta made landfall near Tulum, Mexico at 11 p.m. CDT Monday night, October 26, 2020, as a category 1 storm with 80 mph winds and a 978 mb central pressure. Near the time of landfall, a Weatherflow station just south of Playa del Carmen reported sustained winds of 74 mph with a gust to 87 mph. Another Weatherflow station in Cancun reported sustained winds of 60 mph with gusts up to 79 mph. A storm surge of over one meter (3.28 feet) was observed at Puerto Morelos. A personal weather station in Chemex, located about 50 miles inland from the landfall location, recorded 5.15 inches of rain in the 12 hours ending at 11 a.m. CDT Tuesday.

    Continue at Yale Climate Connections: Zeta expected to hit the U.S. Gulf Coast Wednesday. More #YaleClimateConnections.

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  • Tropical Storm Zeta, 27th Atlantic storm of the season, forms in western Caribbean

    The storm may follow Hurricane Delta's track, making landfall Monday on Mexico's Yucatan Peninsula and on Wednesday between Louisiana and the Florida Panhandle.

    By Jeff Masters, Ph.D.

    1020_zeta-sat-oct25_974.jpg
    Infrared satellite image of Tropical Storm Zeta over the western Caribbean at 11:30 a.m. EDT Sunday, October 25, 2020. The storm was beginning to build a central dense overcast (CDO) of high cirrus clouds over the center, the hallmark of an intensifying storm. (Image credit: RAMMB/CIRA/Colorado State University).

    Tropical Storm Zeta formed in the western Caribbean early Sunday morning, with the potential to rapidly intensify into a hurricane that will make two landfalls: one on Monday night in Mexico’s Yucatan Peninsula, near Cancan; and one on Wednesday along the central Gulf of Mexico coast of the U.S., between Louisiana and the Florida Panhandle.

    If this seems like déjà vu, you’re not mistaken: Hurricane Delta had a nearly identical forecast during the first week of October. ...

    Continue at Yale Climate Connections: Tropical Storm Zeta, 27th Atlantic storm of the season, forms in western Caribbean. More #YaleClimateConnections.

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  • Another tropical cyclone could make landfall along the Gulf Coast next week

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    GeoColor satellite image of Invest 95L over the western Caribbean (95L) at 10:40 a.m. EDT Saturday, October 24, 2020. (Image credit: RAMMB/CIRA/Colorado State University)..

    By Jeff Masters, Ph.D.

    An area of disturbed weather over the western Caribbean, designated Invest 95L, has brought widespread rainfall of one to four inches to Cuba, the Cayman Islands. and Jamaica during the 36 hours ending at noon EDT Saturday, with 3.72 inches falling at a personal weather station in Spanishtown, Jamaica.

    This system was close to tropical depression status early Saturday afternoon, and is likely to become Tropical Storm Zeta by Sunday. A NOAA Hurricane Hunter aircraft was investigating 95L on Saturday afternoon to determine if it has become Tropical Depression 28. ...

    Steering currents are weak in the western Caribbean, and 95L is expected to drift northwest at less than 5 mph through Sunday. A ridge of high pressure will build in to the northeast of 95L by Monday, forcing it on a northwesterly track at a faster 5-10 mph pace into the Gulf of Mexico. It now appears that 95L has moved far enough west to significantly reduce the threat of a direct landfall in South Florida or the Bahamas. By Tuesday, an approaching trough of low pressure over the central U.S. should turn 95L more to the north, with a landfall along the central Gulf Coast on Wednesday the most likely outcome. ...

    Continue at Yale Climate Connections: Another tropical cyclone could make landfall along the Gulf Coast next week. More #YaleClimateConnections.

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  • Tropical Storm Epsilon forms in the central Atlantic

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    GeoColor satellite image of Tropical Storm Epsilon at 11:20 a.m. EDT Monday, October 19. (Image credit: RAMMB/CIRA/Colorado State University)..

    By Jeff Masters, Ph.D.

    Tropical Storm Epsilon formed in the central Atlantic 735 miles southeast of Bermuda at 11 a.m. Monday, October 19, 2020, becoming the 26th named storm of this record-busy 2020 Atlantic hurricane season. Epsilon is expected to threaten Bermuda as a category 1 hurricane on Friday, but it is not a landfall threat for the U.S.

    Epsilon’s October 19 arrival marks the earliest date that any Atlantic season has produced its 26th named storm, surpassing the record held by Delta from November 22, 2005. In total, 23 of the 26 2020 named storms have set records for being the earliest-arriving for their respective letter; only Arthur, Bertha, and Dolly fell short.

    The Atlantic typically has over 85% of its activity by this date. So far, there have been 26 named storms, nine hurricanes, three intense hurricanes, and an accumulated cyclone energy (ACE) index of 123 (34% above average for the date). Only one Atlantic hurricane season since 1851 has had more named storms during an entire season: 2005, with 28 named storms. According to Colorado State University hurricane scientist Phil Klotzbach, the averages for this point in the season are 10.6 named storms, 5.5 hurricanes, 2.5 intense hurricanes, and an ACE index of 92. ...

    Continue at Yale Climate Connections: Tropical Storm Epsilon forms in the central Atlantic. More #YaleClimateConnections.

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  • September 2020 was the warmest September on record, NOAA reports

    Eight weather-related disasters that occurred last month caused $1 billion or more in damage..1020_Fig2_2020-billion-dollar-disaster-map.png
    Figure 2. Billion-dollar weather disasters in the U.S. for 2020 through October 7. (Image credit: NOAA/NCEI)..

    By Jeff Masters, Ph.D.

    September 2020 was the warmest September since global record keeping began in 1880, NOAA’s National Centers for Environmental Information, NCEI, reported October 14.

    The month was just 0.02 degrees Celsius warmer than the previous record, held jointly by September 2015 and 2016. NASA and the European Copernicus Climate Change Service also rated the month as the warmest September on record, and the Japan Meteorological Agency rated it as the third-warmest September on record. Minor differences in rankings often occur among various research groups, the result of different ways they handle data-sparse regions such as the Arctic. ...

    Continue at Yale Climate Connections: September 2020 was the warmest September on record, NOAA reports. More #YaleClimateConnections.

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  • Delta is record-setting 10th named storm to make U.S. landfall in a season

    1020_delta-night-oct10_974.jpg
    Moon-lit look at Tropical Storm Delta at 3:05 a.m. CDT October 10, from the NOAA-20 satellite. Delta at that point was well inland over Louisiana, and had weakened to 45 mph winds. (Image credit: University of Wisconsin CIMSS).

    By Jeff Masters, Ph.D.

    Hurricane Delta made landfall at 6 p.m. CDT October 9 near Creole, Louisiana – just 12 miles east of where category 4 Hurricane Laura hit on August 27. At landfall, Delta was a category 2 storm with 100 mph winds and a central pressure of 970 mb. Delta knocked out power to more than 750,000 customers in Louisiana, Texas, and Mississippi as of 7:30 a.m. CDT Saturday, according to poweroutage.us.

    Delta brought hurricane-force wind gusts to Louisiana and Texas, causing extensive wind damage. The highest winds observed in Louisiana were at Lake Arthur, which recorded sustained winds of 77 mph, gusting to 96 mph, around the time of Delta’s landfall. ...

    Delta dumped torrential rains over much of Louisiana, with radar-estimated rainfall amounts of more than 15 inches between Lake Charles and Alexandria. The heavy rains led to serious flash flooding, and at least three rivers in Louisiana are predicted to go into major flood stage by Monday. ...

    Continue at Yale Climate Connections: Delta is record-setting 10th named storm to make U.S. landfall in a season. More #YaleClimateConnections.

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  • Hurricane Delta has western Louisiana in its crosshairs.

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    GeoColor satellite image of Hurricane Delta at 11:40 a.m. EDT Thursday, October 8. (Image credit: RAMMB/CIRA/Colorado State University)

    By Jeff Masters, Ph.D.

    Hurricane Delta was intensifying over the warm waters of the Gulf of Mexico early Thursday afternoon. It is expected to turn north on Thursday night and make landfall in western Louisiana on Friday afternoon or evening as a category 2 hurricane. A hurricane warning and storm surge warning are in effect from High Island, Texas, to Morgan City, Louisiana, with the storm surge warning extending to Ocean Springs, Mississippi.

    On Wednesday night, Delta moved over Scorpion Island, a Mexican national park off the north coast of the Yucatan Peninsula. The island reported sustained winds of 65 mph, gusting to 90 mph, before the station stopped transmitting data at 7 p.m. EDT.

    Hurricane hunter aircraft from both NOAA and the Air Force, were in Delta on Thursday morning, and reported that the hurricane was steadily intensifying. The central pressure dropped from 973 mb at 2 a.m. EDT to 968 mb at 11 a.m. EDT, and the surface winds increased from 100 to 105 mph. They reported that the large eye of Delta was 40 miles in diameter, and open on the south side. This gap in its eyewall was allowing only slow intensification to occur. ...

    Continue at Yale Climate Connections: Hurricane Delta has western Louisiana in its crosshairs. More #YaleClimateConnections.

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  • Hurricane Delta takes aim at U.S. Gulf Coast

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    Sunrise from underneath Hurricane Delta’s central dense overcast on Oct. 7, 2020, from NOAA Hurricane Hunter aircraft Kermit, flying at 10,000 feet. (Image credit: Paul Chang, NOAA).

    By Jeff Masters, Ph.D.

    Hurricane Delta weakened significantly before making landfall at 6:30 a.m. EDT Wednesday, October 7, near Puerto Morelos, Mexico – 20 miles south of Cancun – as a category 2 storm with 110 mph winds. Delta, emerging into the Gulf of Mexico early Wednesday afternoon, is expected to re-intensify before turning to the north on Thursday night and making landfall in Louisiana on Friday. A hurricane watch and storm surge watch are in effect from High Island, Texas, to Grand Isle, Louisiana, with the storm surge watch extending to the Alabama-Florida border.

    At landfall on Wednesday morning in Mexico, a WeatherFlow observing site in Cancun, located in the stronger right eyewall of Delta, recorded sustained winds of 84 mph, gusting to 106 mph. Buoy 42056, located 138 miles southeast of Cozumel, went through Delta’s weaker southern eyewall on Wednesday morning. At midnight EDT, the buoy recorded sustained winds of 74 mph, gusting to 92 mph. Storm chasers Reed Timmer and Josh Morgerman documented by videos posted to Twitter considerable, but not catastrophic, damage in Cancun from Delta. ...

    Continue at Yale Climate Connections: Hurricane Delta takes aim at U.S. Gulf Coast. More #YaleClimateConnections.

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