Alert archive / North Dakota / Wind Chill Advisories in 2021

Wind Chill Advisory 8, NWS Grand Forks, ND

December 19, 20216 counties in North Dakota

NWS Grand Forks, ND issued this wind chill advisory at Dec 19, 2021, 2:52 PM CST for 6 counties in North Dakota. It took effect at Dec 20, 2021, 12:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 19, 2021, 2:52 PM CST (20:52 UTC)
In effect from
Dec 20, 2021, 12:00 AM CST
Expired
Dec 20, 2021, 9:59 AM CST
In force
10 hr
Issued by
NWS Grand Forks, ND

Counties Benson County, ND, Cavalier County, ND, Nelson County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 133 km from the middle of the area, began a volume at 20:54 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 8.9 hours before the alert went out and 235 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, Bismarck Municip, ND at 12:00Z on 2021-12-19Temperature 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, Bismarck Municip, ND at 12:00Z on 2021-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 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
1262 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WWUS43 KFGF 192052
WSWFGF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Forks ND
252 PM CST Sun Dec 19 2021

NDZ006-007-014-015-026-054-201800-
/O.NEW.KFGF.WC.Y.0008.211220T0600Z-211220T1800Z/
Towner-Cavalier-Benson-Ramsey-Nelson-Western Walsh-
Including the cities of Cando, Langdon, Fort Totten, Maddock, 
Leeds, Minnewaukan, Devils Lake, Lakota, Mcville, Aneta, Tolna, 
Edinburg, Adams, and Lankin
252 PM CST Sun Dec 19 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST MONDAY...

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

* WHERE...Portions of northeast North Dakota.

* WHEN...From midnight tonight to noon CST Monday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while outside. Wear appropriate winter clothing. 

&&

$$
2 follow-up statements
872 
WWUS43 KFGF 200918
WSWFGF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Forks ND
318 AM CST Mon Dec 20 2021

NDZ006-007-014-015-026-054-201800-
/O.CON.KFGF.WC.Y.0008.000000T0000Z-211220T1800Z/
Towner-Cavalier-Benson-Ramsey-Nelson-Western Walsh-
Including the cities of Cando, Langdon, Fort Totten, Maddock, 
Leeds, Minnewaukan, Devils Lake, Lakota, Mcville, Aneta, Tolna, 
Edinburg, Adams, and Lankin
318 AM CST Mon Dec 20 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WHAT...Very cold wind chills. Wind chills as low as 25 below 
  zero.

* WHERE...Portions of northeast North Dakota.

* WHEN...Until noon CST today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while outside. Wear appropriate winter clothing. 

&&

$$
069 
WWUS43 KFGF 201559
WSWFGF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Forks ND
959 AM CST Mon Dec 20 2021

NDZ006-007-014-015-026-054-201700-
/O.CAN.KFGF.WC.Y.0008.000000T0000Z-211220T1800Z/
Towner-Cavalier-Benson-Ramsey-Nelson-Western Walsh-
Including the cities of Cando, Langdon, Fort Totten, Maddock, 
Leeds, Minnewaukan, Devils Lake, Lakota, Mcville, Aneta, Tolna, 
Edinburg, Adams, and Lankin
959 AM CST Mon Dec 20 2021

...WIND CHILL ADVISORY IS CANCELLED...

Wind chills around -20 will continue to slowly improve through the
rest of the morning.

$$

Nearby

Wind Chill Advisories in North Dakota, 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.