Matthew Cappucci
@MatthewCappucci
Atmospheric scientist, storm chaser, adventurer, teacher, author. Senior meteorologist at @MyRadarWX. @Washingtonpost, @Wamu885, @NPR, TV too. Harvard/MIT 🌪
My mother always said you can smile in any language.

SWEATY CORN is in the forecast for parts of the Upper Midwest and Corn Belt this week. The corn, which is "knee high by July," is evapotranspirating – akin to sweating – profusely. A single acre of corn can release up to 4,000 gallons of water into the lower atmosphere per day!…
RING OF FIRE pattern is building in across the central/eastern United States. (Yes, that's a real term.) Here's what that means. We call it a "ring of fire" pattern because it's HOT! There's a heat dome – a ridge of hot high pressure and sinking air – bringing stifling heat and…
🌡️Stifling heat & humidity across the Mississippi Valley and Southeast, with windy thunderstorms across the Northern Tier. MyRadar meteorologist @MatthewCappucci breaks down how long the pattern lasts.
More anti Finland propaganda 😉 Pucci is an absolute rockstar. It’s difficult to for me to articulate in a respectful manner the ridiculous nonsense I see on this platform so I’ll let him do it for me. Drop him a follow btw if you haven’t!
Public service announcement part 2:
RING OF FIRE pattern: A heat dome, or ridge of high pressure, is present over much of the mid-South, leading to hot temperature and stifling humidity. On the edge of the heat dome, strong to severe thunderstorms are possible, tracing a "ring of fire" around the edges. (This is…
Six months ago today, the first-ever BLIZZARD WARNING was issued for the Gulf Coast in Louisiana. Now there's a heat advisory. What a difference half a year makes! This was the first recorded blizzard to affect the Gulf coast since 1895. Low pressure developed in the western…
⛈️A few severe thunderstorms are likely today from Montana to western parts of the Dakotas. Damaging wind gusts, large hail, and an isolated tornado will be possible. MyRadar meteorologist @MatthewCappucci has the latest.
Would not shock me if there was a waterspout forming off Boston’s North Shore:

.@cushingtess is visiting and told me I have to “behave” at dinner. Should I cooperate?
Here’s how a rare fire tornado touched down in Utah: washingtonpost.com/weather/2025/0…
Working on an interview for Wednesday morning’s broadcast on FNN (Fuji News Network) in Japan:

UPDATE: As of 9:42 p.m. HST, the tsunami watch has been CANCELLED. Updated modeling depicts no tsunami threat for the Hawaiian archipelago.

When the dew point is 74°, it’s an indoor run kind of evening. 7.25 miles ✅


Unsure what the other stations did, but @MarkPenaWX on 7 did impressive “wall to wall” coverage through the newscast on the flash flood emergency — just like stations would for tornado warnings. Well done to Mark and Guido (producing) for their coverage:
Putting this here for my reel lol (it was a long Saturday): youtube.com/watch?v=yD4oAa…