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This is what explosive extratropical intensification looks like. The central core pressure has dropped to ~970 mbar this morning, similar to that of a Category 2 Hurricane. An all-out blizzard is now raging in New England as this titanic, winterstorm cyclone continues to swirl.

Backpirch Weather

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54,633 次观看 • 4 个月前 •via X (Twitter)

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JUST IN: Australian Cyclone Narelle has been upgraded to a Category 4 storm over the warm waters of the Coral Sea, with her core pressure crashing down to 935 MBAR. This makes her the most intense storm yet of the 2025-26 Australian Cyclone Season. Furious lightning activity is thoroughly electrifying the eyewall around Narelle’s pinhole eye as rapid intensification continues.

JUST IN: Australian Cyclone Narelle has been upgraded to a Category 4 storm over the warm waters of the Coral Sea, with her core pressure crashing down to 935 MBAR. This makes her the most intense storm yet of the 2025-26 Australian Cyclone Season. Furious lightning activity is thoroughly electrifying the eyewall around Narelle’s pinhole eye as rapid intensification continues.

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UPDATE: Melissa has exploded from a Tropical Storm to a CATEGORY 3 MAJOR HURRICANE in just 12 HOURS, with the Hurricane Hunters confirming winds of 115 MPH and a new low pressure of 967 mbar. It is difficult to convey just how extreme this kind of intensification is.

UPDATE: Melissa has exploded from a Tropical Storm to a CATEGORY 3 MAJOR HURRICANE in just 12 HOURS, with the Hurricane Hunters confirming winds of 115 MPH and a new low pressure of 967 mbar. It is difficult to convey just how extreme this kind of intensification is.

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63,150 次观看 • 8 个月前

UPDATE: The bone dry central pressure of Category 5 Hurricane Melissa has cratered to 913 MBAR. She is the most powerful Atlantic Hurricane of 2025.

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22,357 次观看 • 8 个月前

CATEGORY 5 Hurricane Melissa now has unimaginably violent sustained winds of 185 MPH. Her blistering core pressure has cratered to 892 MBAR in the final moments before a cataclysmic landfall in Jamaica. Melissa is now tied with the 1935 Labor Day Hurricane as the 3RD MOST INTENSE Atlantic Hurricane of all-time, and she is about to become the strongest landfalling storm in Atlantic Basin history.

CATEGORY 5 Hurricane Melissa now has unimaginably violent sustained winds of 185 MPH. Her blistering core pressure has cratered to 892 MBAR in the final moments before a cataclysmic landfall in Jamaica. Melissa is now tied with the 1935 Labor Day Hurricane as the 3RD MOST INTENSE Atlantic Hurricane of all-time, and she is about to become the strongest landfalling storm in Atlantic Basin history.

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355,740 次观看 • 8 个月前

JUST IN: Hurricane Humberto has been upgraded to a 145 MPH Category 4 Hurricane, achieving one of the most explosive intensification rates ever observed for a storm in the open Atlantic Ocean. He was a Tropical Storm just 24 hours ago and is now forecast to reach CATEGORY 5 status. This is the first time in 90 years that the first three Hurricanes of the season have all attained Category 4+ strength.

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UPDATE: Hurricane Melissa has hit a new peak intensity 130 miles SW of Jamaica, with the Hurricane Hunters finding extremely powerful sustained winds of 150 MPH and a minimum core pressure of ~926 mbar. This is just 7 mph shy of Category 5 intensity.

UPDATE: Hurricane Melissa has hit a new peak intensity 130 miles SW of Jamaica, with the Hurricane Hunters finding extremely powerful sustained winds of 150 MPH and a minimum core pressure of ~926 mbar. This is just 7 mph shy of Category 5 intensity.

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Wow. Cyclone Fina continues to be quite the overachiever. This Portuguese Man-O-War shaped storm has jumped to CATEGORY 3 status just offshore of Bulgul, Australia, with tentacles of lightning driving her venomous winds to 115 MPH. Her central pressure is down to 956 mbar over the waters of the Timor Sea. While her proximity to the coast looks worrying, Fina is forecast to mostly stay out over the ocean and dramatically weaken before her third and final landfall in Australia.

Wow. Cyclone Fina continues to be quite the overachiever. This Portuguese Man-O-War shaped storm has jumped to CATEGORY 3 status just offshore of Bulgul, Australia, with tentacles of lightning driving her venomous winds to 115 MPH. Her central pressure is down to 956 mbar over the waters of the Timor Sea. While her proximity to the coast looks worrying, Fina is forecast to mostly stay out over the ocean and dramatically weaken before her third and final landfall in Australia.

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The National Hurricane Center is now forecasting an "unsurvivable storm surge" of up to 20 feet from Hurricane Helene for the Big Bend of Florida. THIS is what that looks like...

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UPDATE: Category 5 Hurricane Melissa has reached a new peak intensity of 165 MPH winds and a 908 MBAR pressure in her blisteringly dry, 15 mile-wide eye. She is now tied with Hurricane Maria (2017) as the 9TH MOST INTENSE Atlantic Hurricane ever recorded.

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25,059 次观看 • 8 个月前

It is difficult to comprehend an 892 MBAR eye. That sort of intensity is akin to a black hole in the Earth’s atmosphere. I cannot imagine what the communities in Jamaica that are getting crushed by this 185 MPH fury are going through right now. CATEGORY 5 MONSTER Hurricane Melissa is moments away from tying the all-time Atlantic Basin record for most intense landfalling Hurricane. That record used to be held solely by the Labor Day Hurricane, a storm that happened 90 YEARS AGO. Insanity.

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The low pressure named #StormÉowyn currently has a central air pressure of 1001hPa, but this is expected to drop by 62hPa in the next 30 hours 👀 This is known as explosive cyclogenesis or a weather bomb and will bring damaging winds to some areas on Friday ⚠️

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17,555 次观看 • 4 个月前

This was Melissa's presentation on satellite throughout the weekend as it went from tropical storm strength to a category 5 in less than 48 hours. Strengthening of this magnitude is well beyond what is classified as rapid intensification. #Melissa

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