Alert archive / Maine / Wind Chill Advisories in 2021

Wind Chill Advisory 4, NWS Caribou, ME

February 25, 20214 counties in Maine

NWS Caribou, ME issued this wind chill advisory at Feb 25, 2021, 7:17 PM EST for 4 counties in Maine. It took effect at Feb 25, 2021, 10:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 25, 2021, 7:17 PM EST (00:17 UTC)
In effect from
Feb 25, 2021, 10:00 PM EST
Expired
Feb 26, 2021, 7:00 AM EST
In force
9 hr
Issued by
NWS Caribou, ME

Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME, Somerset County, ME

The radar

The Caribou radar (KCBW), 104 km from the middle of the area, began a volume at 00:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Caribou, ME (KCAR), launched 00:00Z, 0.3 hours before the alert went out and 142 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Caribou, ME at 00:00Z on 2021-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Caribou, ME at 00:00Z on 2021-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

357 
WWUS41 KCAR 260017
WSWCAR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Caribou ME
717 PM EST Thu Feb 25 2021

MEZ001>006-010-260930-
/O.NEW.KCAR.WC.Y.0004.210226T0300Z-210226T1200Z/
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-
Including the cities of Sherman, Mount Katahdin, East
Millinocket, Greenville, Baker Lake, Churchill Dam, Presque Isle,
Fort Kent, Frenchville, Clayton Lake, Van Buren, Medway, Patten,
Mars Hill, Smyrna Mills, Houlton, Millinocket, Hodgdon,
Madawaska, Chamberlain Lake, Ashland, Caribou, Blanchard,
Billy-Jack Depot, Baxter St Park, Monson, and Allagash
717 PM EST Thu Feb 25 2021

...WIND CHILL ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 40 
  below zero.

* WHERE...Portions of Central Highlands, Far Eastern, Far Northern, 
  and North Woods Maine.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will combine 
to create low wind chills. Frostbite and hypothermia can occur if 
precautions are not taken. Make sure you wear a hat and gloves.

&&

$$

AStrauser
3 follow-up statements
982 
WWUS41 KCAR 260126
WSWCAR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Caribou ME
826 PM EST Thu Feb 25 2021

MEZ001>006-010-261030-
/O.CON.KCAR.WC.Y.0004.210226T0300Z-210226T1200Z/
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-
Including the cities of Sherman, Mount Katahdin, East
Millinocket, Greenville, Baker Lake, Churchill Dam, Presque Isle,
Fort Kent, Frenchville, Clayton Lake, Van Buren, Medway, Patten,
Mars Hill, Smyrna Mills, Houlton, Millinocket, Hodgdon,
Madawaska, Chamberlain Lake, Ashland, Caribou, Blanchard,
Billy-Jack Depot, Baxter St Park, Monson, and Allagash
826 PM EST Thu Feb 25 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills 25 to 34 below 
  zero.

* WHERE...Portions of Central Highlands, Far Eastern, Far Northern, 
  and North Woods Maine.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will combine 
to create low wind chills. Frostbite and hypothermia can occur if 
precautions are not taken. Make sure you wear a hat and gloves.

&&

$$

AStrauser
713 
WWUS41 KCAR 260838
WSWCAR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Caribou ME
338 AM EST Fri Feb 26 2021

MEZ002-005-006-010-260945-
/O.CAN.KCAR.WC.Y.0004.000000T0000Z-210226T1200Z/
Northeast Aroostook-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-
Including the cities of Mars Hill, Smyrna Mills, Houlton, East
Millinocket, Millinocket, Monson, Sherman, Van Buren, Greenville,
Presque Isle, Blanchard, Medway, Ashland, Patten, Hodgdon, and
Caribou
338 AM EST Fri Feb 26 2021

...WIND CHILL ADVISORY IS CANCELLED...

$$

MEZ001-003-004-261200-
/O.CON.KCAR.WC.Y.0004.000000T0000Z-210226T1200Z/
Northwest Aroostook-Northern Somerset-Northern Piscataquis-
Including the cities of Fort Kent, Frenchville, Mount Katahdin,
Clayton Lake, Baker Lake, Madawaska, Churchill Dam, Chamberlain
Lake, Billy-Jack Depot, Baxter St Park, and Allagash
338 AM EST Fri Feb 26 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS 
MORNING...

* WHAT...Very cold wind chills expected. Wind chills 25 to 30 below 
  zero.

* WHERE...Northwest Aroostook, Northern Piscataquis and Northern 
  Somerset Counties.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will combine 
to create low wind chills. Frostbite and hypothermia can occur if 
precautions are not taken. Make sure you wear a hat and gloves.

&&

$$

Sinko
479 
WWUS41 KCAR 261134
WSWCAR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Caribou ME
634 AM EST Fri Feb 26 2021

MEZ001-003-004-261245-
/O.EXP.KCAR.WC.Y.0004.000000T0000Z-210226T1200Z/
Northwest Aroostook-Northern Somerset-Northern Piscataquis-
Including the cities of Fort Kent, Frenchville, Mount Katahdin,
Clayton Lake, Baker Lake, Madawaska, Churchill Dam, Chamberlain
Lake, Billy-Jack Depot, Baxter St Park, and Allagash
634 AM EST Fri Feb 26 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 7 AM EST THIS MORNING...

Wind chills are no longer in criteria and as temperatures increase 
this morning wind chills will go above zero.

$$

Sinko

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 3:19 PM ESTGale WatchCAR12 hr
Feb 26, 3:19 PM ESTWinter Weather AdvisoryCARAroostook, Penobscot, Piscataquis, Somerset30 hr

Nearby

Wind Chill Advisories in Maine, 2021Every wind chill advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.