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Matthew Cappucci

@MatthewCappucci • 128,974 subscribers

Atmospheric scientist, storm chaser, adventurer, teacher, author. Senior meteorologist at @MyRadarWX. Usually found frolicking in giant hail. Harvard/MIT 🌪

Shorts

BREAKING: #Kilauea is erupting on the Big Island of #Hawaii. The eruption began at 4:44 a.m. HST. Sulfur dioxide and water vapor spewed from the volcano are reacting to produce vog, or volcanic smog, which can have adverse health effects. Volcanologists still assessing risks.

BREAKING: #Kilauea is erupting on the Big Island of #Hawaii. The eruption began at 4:44 a.m. HST. Sulfur dioxide and water vapor spewed from the volcano are reacting to produce vog, or volcanic smog, which can have adverse health effects. Volcanologists still assessing risks.

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Absolutely speechless. I selected this apartment so I could watch the planes take off and land every night; never imagined I’d look out the window to see this. Praying for the folks onboard American Airlines Flight 5342. I’m so sorry I can’t string together a better sentence.

Absolutely speechless. I selected this apartment so I could watch the planes take off and land every night; never imagined I’d look out the window to see this. Praying for the folks onboard American Airlines Flight 5342. I’m so sorry I can’t string together a better sentence.

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WOAH. This is the tornado in Farmington, Utah. CRAZY event. Also — don’t focus on the transient subvortex. The entire roiling cloud is a very large, significant tornado. Amazing to see the terrain interaction too. Unreal.

WOAH. This is the tornado in Farmington, Utah. CRAZY event. Also — don’t focus on the transient subvortex. The entire roiling cloud is a very large, significant tornado. Amazing to see the terrain interaction too. Unreal.

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Here’s my view of this morning’s rocket launch from Washington D.C.:

Here’s my view of this morning’s rocket launch from Washington D.C.:

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NEW YORK CITY: Prepare for air qualities WORSE than yesterday. Likely in the code red to code purple category. A wall of dense wildfire smoke will arrive by noon. — Visibilities below 3 miles — You’ll taste the smoke — Your eyes will sting EVERYONE should avoid the outdoors.

NEW YORK CITY: Prepare for air qualities WORSE than yesterday. Likely in the code red to code purple category. A wall of dense wildfire smoke will arrive by noon. — Visibilities below 3 miles — You’ll taste the smoke — Your eyes will sting EVERYONE should avoid the outdoors.

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Puking on national TV. I think my television career has peaked.

Puking on national TV. I think my television career has peaked.

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Wondering why the storms in northern New England failed to materialize (thus far)? A thick blanket of Canadian wildfire smoke — impossible to fully anticipate — shrouded the skies, reducing solar heating and storm fuel.

Wondering why the storms in northern New England failed to materialize (thus far)? A thick blanket of Canadian wildfire smoke — impossible to fully anticipate — shrouded the skies, reducing solar heating and storm fuel.

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These are good fireworks but nothing compares to anvil crawlers on the back side of an MCS. 😍

These are good fireworks but nothing compares to anvil crawlers on the back side of an MCS. 😍

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Daylight dawns on a tragic scene at Reagan National Airport. Praying for the victims, families and responders.

Daylight dawns on a tragic scene at Reagan National Airport. Praying for the victims, families and responders.

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It you live in Los Angeles, shut your windows and turn off your vents to the outside — the air quality is hazardous. You can visualize air quality in the MyRadar Weather map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.

It you live in Los Angeles, shut your windows and turn off your vents to the outside — the air quality is hazardous. You can visualize air quality in the MyRadar Weather map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.

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Spot on! We call that “optical depth.” More stuff and a taller storm means more light is blocked. Here’s a cool example from beneath a 60,000 foot supercell on May 22, 2024. The sky was black at 3 PM!

Spot on! We call that “optical depth.” More stuff and a taller storm means more light is blocked. Here’s a cool example from beneath a 60,000 foot supercell on May 22, 2024. The sky was black at 3 PM!

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GIANT TORNADO AND SOFTBALLS entering Morton, Texas area!

GIANT TORNADO AND SOFTBALLS entering Morton, Texas area!

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A series of bizarre boundary interactions may have just produced a brief accidental tornado north of Thedford, Nebraska.

A series of bizarre boundary interactions may have just produced a brief accidental tornado north of Thedford, Nebraska.

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A reminder that NOAA and the Air Force use different planes for different purposes when gathering reconnaissance data in and around a tropical system. Ryan is onboard a Gulfstream aircraft that will gather data *ahead* of/around the nascent storm. Air Force going IN tomorrow.

A reminder that NOAA and the Air Force use different planes for different purposes when gathering reconnaissance data in and around a tropical system. Ryan is onboard a Gulfstream aircraft that will gather data *ahead* of/around the nascent storm. Air Force going IN tomorrow.

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Truly incredible. The 10 inches that fell in Milton, Florida absolutely obliterates the previous STATE record of 4 inches set back in 1954. When we talk about records, we usually set new ones by fractions or hair... not 250% of the previous record. Just mind-boggling.

Truly incredible. The 10 inches that fell in Milton, Florida absolutely obliterates the previous STATE record of 4 inches set back in 1954. When we talk about records, we usually set new ones by fractions or hair... not 250% of the previous record. Just mind-boggling.

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I will never be able to re-live the magic of finding what, for like 12 minutes, was a record hailstone. 🤣 Now I have to drive into every hail core until I find a watermelon.

I will never be able to re-live the magic of finding what, for like 12 minutes, was a record hailstone. 🤣 Now I have to drive into every hail core until I find a watermelon.

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“Despite being a scientist, I’m a faithful person, and I said a prayer… Please keep the folks in Jamaica in your thoughts.”

“Despite being a scientist, I’m a faithful person, and I said a prayer… Please keep the folks in Jamaica in your thoughts.”

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Here's a preview of what will air in July. Working on a piece about the dangers of AI imagery in realtime weather alerting:

Here's a preview of what will air in July. Working on a piece about the dangers of AI imagery in realtime weather alerting:

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ROCKET LAUNCH over Washington D.C.! Look at this... the SpaceX Falcon 9 just launched from Cape Canaveral at 6:13 p.m., and we got to see it in the DMV! It was more than 150 miles above the ground, so its plume caught the sunlight. A more peaceful scene over DCA tonight:

ROCKET LAUNCH over Washington D.C.! Look at this... the SpaceX Falcon 9 just launched from Cape Canaveral at 6:13 p.m., and we got to see it in the DMV! It was more than 150 miles above the ground, so its plume caught the sunlight. A more peaceful scene over DCA tonight:

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