Jeff Berardelli
@weatherprof.bsky.social
Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa
The magenta indicates where this 500mb Arctic block reaches record heights this weekend.
Graphic via @burgwx.bsky.social
Graphic via @burgwx.bsky.social
December 9, 2025 at 1:39 PM
The magenta indicates where this 500mb Arctic block reaches record heights this weekend.
Graphic via @burgwx.bsky.social
Graphic via @burgwx.bsky.social
Arctic in Disarray!!
An Extremely Extreme pattern builds this weekend. Surface Temps as much as 60°F below normal in Canada (lows -60°F) and 70°F above normal (Highs 40°F in Arctic Circle) in Russia… 1/
An Extremely Extreme pattern builds this weekend. Surface Temps as much as 60°F below normal in Canada (lows -60°F) and 70°F above normal (Highs 40°F in Arctic Circle) in Russia… 1/
December 8, 2025 at 11:05 PM
Arctic in Disarray!!
An Extremely Extreme pattern builds this weekend. Surface Temps as much as 60°F below normal in Canada (lows -60°F) and 70°F above normal (Highs 40°F in Arctic Circle) in Russia… 1/
An Extremely Extreme pattern builds this weekend. Surface Temps as much as 60°F below normal in Canada (lows -60°F) and 70°F above normal (Highs 40°F in Arctic Circle) in Russia… 1/
Unbelievable rain totals for dry season!
Almost 3 Decembers worth of rain in 24 hours in spots.
Normal Dec rain is 2.5”. Downtown Tampa had double that!
Areas like Tarpon Springs, Palm Harbor, East Lake, Odessa, Trinity, Keystone, Lutz, Wesley Chapel etc.., had 5 to 7 inches.
Almost 3 Decembers worth of rain in 24 hours in spots.
Normal Dec rain is 2.5”. Downtown Tampa had double that!
Areas like Tarpon Springs, Palm Harbor, East Lake, Odessa, Trinity, Keystone, Lutz, Wesley Chapel etc.., had 5 to 7 inches.
December 8, 2025 at 1:52 AM
Unbelievable rain totals for dry season!
Almost 3 Decembers worth of rain in 24 hours in spots.
Normal Dec rain is 2.5”. Downtown Tampa had double that!
Areas like Tarpon Springs, Palm Harbor, East Lake, Odessa, Trinity, Keystone, Lutz, Wesley Chapel etc.., had 5 to 7 inches.
Almost 3 Decembers worth of rain in 24 hours in spots.
Normal Dec rain is 2.5”. Downtown Tampa had double that!
Areas like Tarpon Springs, Palm Harbor, East Lake, Odessa, Trinity, Keystone, Lutz, Wesley Chapel etc.., had 5 to 7 inches.
The Arctic flood gates are opening up, as a strong & warm (relatively) block grows over Greenland. That warmth will shove the frigid Polar Vortex south, with multiple cold plunges in the batters box for the next 10-15 days in the Midwest, Great Lakes, Northeast and Mid-Atlantic.
December 4, 2025 at 10:03 PM
The Arctic flood gates are opening up, as a strong & warm (relatively) block grows over Greenland. That warmth will shove the frigid Polar Vortex south, with multiple cold plunges in the batters box for the next 10-15 days in the Midwest, Great Lakes, Northeast and Mid-Atlantic.
*New Update dropped today.
Drought continues to grip much of the state.
Severe drought is expanding in the Tampa Bay Area.
Exceptional drought continues in North FL.
Much needed rain incoming across the north!
But not much relief for the southern half of the state for the next 2 weeks.
#florida
Drought continues to grip much of the state.
Severe drought is expanding in the Tampa Bay Area.
Exceptional drought continues in North FL.
Much needed rain incoming across the north!
But not much relief for the southern half of the state for the next 2 weeks.
#florida
December 4, 2025 at 9:50 PM
*New Update dropped today.
Drought continues to grip much of the state.
Severe drought is expanding in the Tampa Bay Area.
Exceptional drought continues in North FL.
Much needed rain incoming across the north!
But not much relief for the southern half of the state for the next 2 weeks.
#florida
Drought continues to grip much of the state.
Severe drought is expanding in the Tampa Bay Area.
Exceptional drought continues in North FL.
Much needed rain incoming across the north!
But not much relief for the southern half of the state for the next 2 weeks.
#florida
Coldest air on Earth today is in the US with temps up to 40 degrees below normal in the Midwest/ Great Lakes. Actual lows are as low as -20F there.
Cold US is due to widespread relative warmth in the Arctic, with record low Arctic Sea Ice extent. This “warmth” displaces the polar cold pool south.
Cold US is due to widespread relative warmth in the Arctic, with record low Arctic Sea Ice extent. This “warmth” displaces the polar cold pool south.
December 4, 2025 at 1:15 PM
Coldest air on Earth today is in the US with temps up to 40 degrees below normal in the Midwest/ Great Lakes. Actual lows are as low as -20F there.
Cold US is due to widespread relative warmth in the Arctic, with record low Arctic Sea Ice extent. This “warmth” displaces the polar cold pool south.
Cold US is due to widespread relative warmth in the Arctic, with record low Arctic Sea Ice extent. This “warmth” displaces the polar cold pool south.
All aboard the Polar Express!! The tropospheric polar vortex will deliver frigid blasts in the eastern/ northern US for the next ~2 weeks and several chances of #snow. #cold #winter #fyp #polarexpress #polarvortex
December 2, 2025 at 5:28 PM
All aboard the Polar Express!! The tropospheric polar vortex will deliver frigid blasts in the eastern/ northern US for the next ~2 weeks and several chances of #snow. #cold #winter #fyp #polarexpress #polarvortex
December 1, 2025 at 8:00 PM
Today is Always a relief for us Floridians!
We and the nation got a much needed break this year. First season we’ve had no US landfalls in a decade.
We and the nation got a much needed break this year. First season we’ve had no US landfalls in a decade.
December 1, 2025 at 12:40 PM
Today is Always a relief for us Floridians!
We and the nation got a much needed break this year. First season we’ve had no US landfalls in a decade.
We and the nation got a much needed break this year. First season we’ve had no US landfalls in a decade.
On this LAST DAY OF HURRICANE SEASON, an interesting fact.
Did you know no tropical cyclone has ever crossed the Equator!? That’s because it’s physically impossible. Storms need “spin” to develop and survive. But at the Equator there is zero spin… 1/
Did you know no tropical cyclone has ever crossed the Equator!? That’s because it’s physically impossible. Storms need “spin” to develop and survive. But at the Equator there is zero spin… 1/
November 30, 2025 at 12:52 PM
On this LAST DAY OF HURRICANE SEASON, an interesting fact.
Did you know no tropical cyclone has ever crossed the Equator!? That’s because it’s physically impossible. Storms need “spin” to develop and survive. But at the Equator there is zero spin… 1/
Did you know no tropical cyclone has ever crossed the Equator!? That’s because it’s physically impossible. Storms need “spin” to develop and survive. But at the Equator there is zero spin… 1/
Florida Roller Coaster Ride starts today!
Heat Index mid 80s today, but wind chill in the 30s around I-4 northward on Friday morning.
45 degree swing in feels like temp!
(It does NOT affect the fruit)
Heat Index mid 80s today, but wind chill in the 30s around I-4 northward on Friday morning.
45 degree swing in feels like temp!
(It does NOT affect the fruit)
November 26, 2025 at 1:10 PM
Florida Roller Coaster Ride starts today!
Heat Index mid 80s today, but wind chill in the 30s around I-4 northward on Friday morning.
45 degree swing in feels like temp!
(It does NOT affect the fruit)
Heat Index mid 80s today, but wind chill in the 30s around I-4 northward on Friday morning.
45 degree swing in feels like temp!
(It does NOT affect the fruit)
Florida Cold Snap, Major Midwest Snow Storm?
Travel headaches. Let’s dig in… #snowfall #coldweather #florida #midwest #chicago
Travel headaches. Let’s dig in… #snowfall #coldweather #florida #midwest #chicago
November 26, 2025 at 2:42 AM
Florida Cold Snap, Major Midwest Snow Storm?
Travel headaches. Let’s dig in… #snowfall #coldweather #florida #midwest #chicago
Travel headaches. Let’s dig in… #snowfall #coldweather #florida #midwest #chicago
Fall will be “falling” this week with Wild weather swings across the East.
Makes holiday packing a pain with a 40-50° temperature swing from Mid to late week.
Makes holiday packing a pain with a 40-50° temperature swing from Mid to late week.
November 25, 2025 at 9:15 PM
Fall will be “falling” this week with Wild weather swings across the East.
Makes holiday packing a pain with a 40-50° temperature swing from Mid to late week.
Makes holiday packing a pain with a 40-50° temperature swing from Mid to late week.
Whew, that was close!
But it looks like Iguana’s will be Marked Safe, barely, on Friday, as temps fall just shy of critical levels. But, if you ask me, this guy is a little too overconfident.
Iguana’s live mostly South of the Sunshine Skyway...1/
But it looks like Iguana’s will be Marked Safe, barely, on Friday, as temps fall just shy of critical levels. But, if you ask me, this guy is a little too overconfident.
Iguana’s live mostly South of the Sunshine Skyway...1/
November 25, 2025 at 2:34 PM
Whew, that was close!
But it looks like Iguana’s will be Marked Safe, barely, on Friday, as temps fall just shy of critical levels. But, if you ask me, this guy is a little too overconfident.
Iguana’s live mostly South of the Sunshine Skyway...1/
But it looks like Iguana’s will be Marked Safe, barely, on Friday, as temps fall just shy of critical levels. But, if you ask me, this guy is a little too overconfident.
Iguana’s live mostly South of the Sunshine Skyway...1/
Reposted by Jeff Berardelli
Two miles of ice core on the shelf at our national ice core facility in Lakewood, Colorado. The WAIS Divide core from West Antarctica is a 3400m long (deepest US core, 2nd deepest ice core ever) 68,000 year old record of high resolution climate.
November 24, 2025 at 5:03 PM
Two miles of ice core on the shelf at our national ice core facility in Lakewood, Colorado. The WAIS Divide core from West Antarctica is a 3400m long (deepest US core, 2nd deepest ice core ever) 68,000 year old record of high resolution climate.
Going Cold Turkey by Week’s End across the Eastern US!
Until then the warmth will persist here in Florida and the Southeast.
Until then the warmth will persist here in Florida and the Southeast.
November 24, 2025 at 1:25 PM
Going Cold Turkey by Week’s End across the Eastern US!
Until then the warmth will persist here in Florida and the Southeast.
Until then the warmth will persist here in Florida and the Southeast.
Fly-by Cold!
After a long stretch of very warm weather, a chilly blast arrives Friday! AM Wind chills in the 30s and 40s for Central and North Florida. Highs on Black Friday will struggle to get out of the 60s.
In true FL style, the chill will last 24 hours.
Don’t blink!
After a long stretch of very warm weather, a chilly blast arrives Friday! AM Wind chills in the 30s and 40s for Central and North Florida. Highs on Black Friday will struggle to get out of the 60s.
In true FL style, the chill will last 24 hours.
Don’t blink!
November 23, 2025 at 1:17 PM
Fly-by Cold!
After a long stretch of very warm weather, a chilly blast arrives Friday! AM Wind chills in the 30s and 40s for Central and North Florida. Highs on Black Friday will struggle to get out of the 60s.
In true FL style, the chill will last 24 hours.
Don’t blink!
After a long stretch of very warm weather, a chilly blast arrives Friday! AM Wind chills in the 30s and 40s for Central and North Florida. Highs on Black Friday will struggle to get out of the 60s.
In true FL style, the chill will last 24 hours.
Don’t blink!
Sorry Florida… No Rain Fo You!
(Well, techincally there will be a few drops over the next 2 weeks.)
And that’s too bad because we could really use a lot! Getting deeper into drought as the dry La Niña winter takes hold.
(Well, techincally there will be a few drops over the next 2 weeks.)
And that’s too bad because we could really use a lot! Getting deeper into drought as the dry La Niña winter takes hold.
November 22, 2025 at 12:23 AM
Sorry Florida… No Rain Fo You!
(Well, techincally there will be a few drops over the next 2 weeks.)
And that’s too bad because we could really use a lot! Getting deeper into drought as the dry La Niña winter takes hold.
(Well, techincally there will be a few drops over the next 2 weeks.)
And that’s too bad because we could really use a lot! Getting deeper into drought as the dry La Niña winter takes hold.
We have a tendency in weather to focus on the shiny object. Right now that shiny object is the cold, which is elusive.
The reality: over the past week, the US has seen a Blow Torch. 100s of heat records to just a dozen cold. The heat continues through midweek.
The reality: over the past week, the US has seen a Blow Torch. 100s of heat records to just a dozen cold. The heat continues through midweek.
November 21, 2025 at 3:58 PM
We have a tendency in weather to focus on the shiny object. Right now that shiny object is the cold, which is elusive.
The reality: over the past week, the US has seen a Blow Torch. 100s of heat records to just a dozen cold. The heat continues through midweek.
The reality: over the past week, the US has seen a Blow Torch. 100s of heat records to just a dozen cold. The heat continues through midweek.