Matthew Cappucci
@matthewcappucci.bsky.social
Senior meteorologist. MyRadar. Washington Post/NPR/TV too. Atmospheric scientist. Educational consultant. Harvard/MIT ‘19.
FOX35 just got hit by a tornado LIVE ON AIR! Tornado just passed Lake Mary and is heading toward Orlando’s Sanford International Airport!
March 10, 2025 at 1:52 PM
FOX35 just got hit by a tornado LIVE ON AIR! Tornado just passed Lake Mary and is heading toward Orlando’s Sanford International Airport!
There is a slight chance of a bit of #thundersnow in NYC as a bit of elevated instability, or thunderstorm fuel at the atmosphere’s mid levels, works through.
Plus the tall buildings are effective at focusing the diffuse lower positive charge found in snow clouds. @myradar.bsky.social
Plus the tall buildings are effective at focusing the diffuse lower positive charge found in snow clouds. @myradar.bsky.social
February 6, 2025 at 2:57 AM
There is a slight chance of a bit of #thundersnow in NYC as a bit of elevated instability, or thunderstorm fuel at the atmosphere’s mid levels, works through.
Plus the tall buildings are effective at focusing the diffuse lower positive charge found in snow clouds. @myradar.bsky.social
Plus the tall buildings are effective at focusing the diffuse lower positive charge found in snow clouds. @myradar.bsky.social
A thump of heavy snow will move along I-95 tomorrow morning between NYC and Boston.
Why? Frontogenesis.
Changing temperatures make a density ramp in the atmosphere that moisture rises up. That moisture comes back down as heavy snow. @myradar.bsky.social
Why? Frontogenesis.
Changing temperatures make a density ramp in the atmosphere that moisture rises up. That moisture comes back down as heavy snow. @myradar.bsky.social
February 6, 2025 at 2:49 AM
A thump of heavy snow will move along I-95 tomorrow morning between NYC and Boston.
Why? Frontogenesis.
Changing temperatures make a density ramp in the atmosphere that moisture rises up. That moisture comes back down as heavy snow. @myradar.bsky.social
Why? Frontogenesis.
Changing temperatures make a density ramp in the atmosphere that moisture rises up. That moisture comes back down as heavy snow. @myradar.bsky.social
If 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.bsky.social map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.
You can visualize air quality in the @myradar.bsky.social map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.
January 8, 2025 at 7:23 PM
If 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.bsky.social map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.
You can visualize air quality in the @myradar.bsky.social map. The bull’s eye of hazardous air is directly over the nation’s second-largest city.
DMV gang – we're finally within range of the HRRR, or our highest-resolution computer model. I like the progression of this.
I think D.C. gets almost entirely snow this time around, with only a brief mix or freezing rein during the early evening hours Monday.
I think D.C. gets almost entirely snow this time around, with only a brief mix or freezing rein during the early evening hours Monday.
January 5, 2025 at 2:03 AM
DMV gang – we're finally within range of the HRRR, or our highest-resolution computer model. I like the progression of this.
I think D.C. gets almost entirely snow this time around, with only a brief mix or freezing rein during the early evening hours Monday.
I think D.C. gets almost entirely snow this time around, with only a brief mix or freezing rein during the early evening hours Monday.
MONDAY snow in the DMV:
The chance of accumulating snow Sunday night into Monday night is INCREASING for the DMV.
A low pressure system will pass nearby. If it passes just a bit south, we're on the cold side. About a 40% chance of plowable snowfall.
Ironing out details.
The chance of accumulating snow Sunday night into Monday night is INCREASING for the DMV.
A low pressure system will pass nearby. If it passes just a bit south, we're on the cold side. About a 40% chance of plowable snowfall.
Ironing out details.
January 2, 2025 at 12:21 PM
MONDAY snow in the DMV:
The chance of accumulating snow Sunday night into Monday night is INCREASING for the DMV.
A low pressure system will pass nearby. If it passes just a bit south, we're on the cold side. About a 40% chance of plowable snowfall.
Ironing out details.
The chance of accumulating snow Sunday night into Monday night is INCREASING for the DMV.
A low pressure system will pass nearby. If it passes just a bit south, we're on the cold side. About a 40% chance of plowable snowfall.
Ironing out details.