Alert archive / Minnesota / Wind Chill Advisories in 2021
Wind Chill Advisory 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind chill advisory at Feb 10, 2021, 2:31 PM CST for 7 counties in Minnesota; Brookings County, South Dakota; Dickinson County, Osceola County, Iowa. It took effect at Feb 11, 2021, 3:00 AM CST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 10, 2021, 2:31 PM CST (20:31 UTC)
- In effect from
- Feb 11, 2021, 3:00 AM CST
- Expired
- Feb 11, 2021, 9:00 AM CST
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
Counties Dickinson County, IA, Osceola County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Brookings County, SD
The radar
The Sioux Falls radar (KFSD), 86 km from the middle of the area, began a volume at 20:30 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1243 m above ground
- 0-6 km bulk shear
- 105 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
862 WWUS43 KFSD 102031 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 231 PM CST Wed Feb 10 2021 IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-110445- /O.NEW.KFSD.WC.Y.0003.210211T0900Z-210211T1500Z/ Osceola-Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Brookings- 231 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO 9 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central South Dakota, northwest Iowa and southwest Minnesota. * WHEN...From 3 AM to 9 AM CST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
3 follow-up statements
830 WWUS43 KFSD 110229 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 829 PM CST Wed Feb 10 2021 IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-111030- /O.CON.KFSD.WC.Y.0003.210211T0900Z-210211T1500Z/ Osceola-Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Brookings- 829 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central South Dakota, northwest Iowa and southwest Minnesota. * WHEN...From 3 AM to 9 AM CST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
728 WWUS43 KFSD 110937 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 337 AM CST Thu Feb 11 2021 IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-111500- /O.CON.KFSD.WC.Y.0003.000000T0000Z-210211T1500Z/ Osceola-Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Brookings- 337 AM CST Thu Feb 11 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central South Dakota, northwest Iowa and southwest Minnesota. * WHEN...From 3 AM to 9 AM CST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
920 WWUS43 KFSD 111500 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 900 AM CST Thu Feb 11 2021 IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-111600- /O.EXP.KFSD.WC.Y.0003.000000T0000Z-210211T1500Z/ Osceola-Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Brookings- 900 AM CST Thu Feb 11 2021 ...WIND CHILL ADVISORY HAS EXPIRED... Wind chill readings will only slowly improve through the late morning and afternoon, so continue to use caution and wear appropriate clothing to protect yourself from the cold. $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
Nearby
Wind Chill Advisories in Minnesota, 2021Wind Chill Advisories in Iowa, 2021Wind Chill Advisories in South 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.