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Matthew Cappucci

@matthewcappucci

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Senior meteorologist @myradar. Atmospheric scientist, teacher, author, wanderlust adventurer. Most likely frolicking through a hailstorm. 🌪️

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Hurricane Isaias is stronger than expected as it approaches the Gulf Coast, with landfall expected near Pensacola.

Damaging winds, life-threatening storm surge, flooding rain, and tornadoes are all major concerns.

Wind gusts could reach 100–110 mph in some areas, with storm surge reaching 6–9 feet along parts of the Florida Panhandle.

MyRadar meteorologist @matthewcappucci breaks down the latest forecast, including where the greatest threats are expected.

#myradar #hurricaneisaias #weathernews #weatherforecast #hurricaneseason #gulfcoast #florida #alabama #mississippi #pensacola #panamacitybeach #panhandle #isaias taken in Panama City Beach, Florida by @matthewcappucci

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8 days ago

Tropical Storm Rachel is aiming for Southern California and Arizona. The Mojave Desert could flood. Arizona might get a couple tornadoes. #Arizona #tropicalstoemrachel #yuma #utah #sandiego by @matthewcappucci

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9 days ago

If you live in this zone, Isaias could bring both flooding and a tornado risk. #isaias #hurricane #florida #georgia #valdosta by @matthewcappucci

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9 days ago

Hurricane warnings are up. Isaias is coming. Storm surge warnings too. Even a tornado and inland flood risk. #florida #isaias #hurricaneisaias #alabama #georgia by @matthewcappucci

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9 days ago

Hurricane warnings have been issued in parts of Mississippi, Alabama and Florida! Isaias will come ashore October 10 (Saturday) as a Category 1 or 2 storm, with wind, surge, potential foooding rains and even some tornadoes. @MyRadar #pensacola #destin #30A #florida #tallahassee by @matthewcappucci

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10 days ago

A tropical storm could hit the Mojave Desert next week!

Tropical Storm Rachel could impact southern California and the Desert Southwest.

The National Hurricane Center has extended Rachel’s cone of concern into southern California and the Four Corners region. San Diego and Las Vegas may be fringed by shower, but a strip of moderate to heavy rain, and some flood potential, could fall along the California/Arizona border and into southwest Utah.

This could lead to 2 to 3+ inch rainfall totals in Yuma, Kingman, Parker and Lake Havasu City, as well as St. George and Cedar City, Utah. Impacts will be greatest Sunday into Monday.

Scattered flash flooding is expected in parts of the Mojave Desert, where the equivalent of a month’s worth of rain could fall in a matter of hours. A few leftover squalls may briefly produce tropical storm-force winds of 39 mph or greater.

There could even be an isolated tornado risk in southwest Arizona between Yuma and Phoenix on Monday, especially along Interstates 8 and 10. Rachel’s leftover spin will encourage a couple thunderstorm to rotate.

Rachel will be scooped northeast by an approaching upper-level low to the west. That upper-air disturbance is kinking the jet stream into a dip known as a trough. The jet stream will “capture” Rachel and yank it northeast. By Sunday, it will be accelerating toward the Baja Peninsula and entering the Desert Southwest. Its quick forward speed may allow it to retain tropical characteristics into the Untied States before having time to weaken.

This is a rather unusual event that bears some resemblance to Hilary, which drenched Death Valley in 2023. We expect this system to slip farther east.

In the unlikely event that the approaching upper-air disturbance trends slower, Rachel may manage to track a bit farther west, bringing rain and perhaps gusty winds to Los Angeles. by @matthewcappucci

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10 days ago

Hurricane Isaias will hit the Gulf Coast on Friday night into Saturday, bringing damaging winds, surge, potential flooding rains and even some tornadoes too! #florida #destin #pensacola #tallahassee #30A by @matthewcappucci

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Isaias will likely become a hurricane and could bring impacts to parts of Louisiana, Alabama, Mississippi, Florida and/or Georgia around Saturday, October 10. #Isaias #hurricane #biloxi #mobilealabama #destin by @matthewcappucci

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11 days ago

A hurricane is likely forming in the Gulf. “Vorticity”, or spin, is gathering, and there’s an 80% chance a tropical storm or hurricane forms. “Isaias” is the next name. #GulfHurricane #Isaias #NewOrleans #Gulfport #Tallahassee by @matthewcappucci

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12 days ago

I will be back to the forecast desk Monday after I’m done yeehawing. 🤠 taken in Jackson, Wyoming by @matthewcappucci

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14 days ago

Major rains and some flooding, potentially serious, in New Mexico, Texas, I-35, the Panhandle, Oklahoma and even Nebraska/Iowa on Wednesday/Thursday! #texas #austinTX #hurricanepolo #flooding #DFW by @matthewcappucci

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18 days ago

If you live in Texas, Arizona, New Mexico or Oklahoma, Hurricane Polo’s remnants could bring locally significant flooding and a sneaky tornado risk. #dallas #dfw #austintx #hurricanepolo #texas by @matthewcappucci

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19 days ago