Alert archive / Iowa / Wind Chill Advisories in 2021
Wind Chill Advisory 4, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill advisory at Feb 10, 2021, 2:30 PM CST for 13 counties in Iowa; 5 counties in Illinois. It took effect at Feb 11, 2021, 12:00 AM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Feb 10, 2021, 2:30 PM CST (20:30 UTC)
- In effect from
- Feb 11, 2021, 12:00 AM CST
- Expired
- Feb 11, 2021, 10:00 AM CST
- In force
- 10 hr
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Muscatine County, IA, Scott County, IA, Carroll County, IL, Jo Daviess County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL
The radar
The Quad Cities radar (KDVN), 52 km from the middle of the area, began a volume at 20:36 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
Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 56 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
- 978 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 455 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
049 WWUS43 KDVN 102030 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 230 PM CST Wed Feb 10 2021 ...Very Cold Temperatures Through Thursday Morning... .Very cold temperatures will push wind chills into the 20 to 30 below zero range overnight into Thursday morning. IAZ040>042-051>054-063>068-ILZ015-110430- /O.NEW.KDVN.WC.Y.0004.210211T0600Z-210211T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Rock Island- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Moline, and Rock Island 230 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central and northeast Iowa and northwest Illinois. * WHEN...From midnight tonight to 10 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. && $$ www.weather.gov/dvn
4 follow-up statements
085 WWUS43 KDVN 110052 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 652 PM CST Wed Feb 10 2021 ...Very Cold Temperatures Through Thursday Morning... .Very cold temperatures will push wind chills into the 20 to 25 below zero range overnight into Thursday morning. IAZ040>042-051>054-063>068-ILZ015-110900- /O.CON.KDVN.WC.Y.0004.210211T0600Z-210211T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Rock Island- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Moline, and Rock Island 652 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central and northeast Iowa and northwest Illinois. * WHEN...From midnight tonight to 10 AM CST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ www.weather.gov/dvn
818 WWUS43 KDVN 110257 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 857 PM CST Wed Feb 10 2021 ...Very Cold Temperatures Through Thursday Morning... .Very cold temperatures will push wind chills into the 20 to 25 below zero range overnight into Thursday morning. ILZ001-002-007-009-111100- /O.EXA.KDVN.WC.Y.0004.210211T0600Z-210211T1600Z/ Jo Daviess-Stephenson-Carroll-Whiteside- Including the cities of Galena, Freeport, Mount Carroll, and Sterling 857 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Jo Daviess, Stephenson, Carroll and Whiteside Counties. * WHEN...From midnight tonight to 10 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. && $$ IAZ040>042-051>054-063>068-ILZ015-111100- /O.CON.KDVN.WC.Y.0004.210211T0600Z-210211T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Rock Island- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Moline, and Rock Island 857 PM CST Wed Feb 10 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central and northeast Iowa and northwest Illinois. * WHEN...From midnight tonight to 10 AM CST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ www.weather.gov/dvn
364 WWUS43 KDVN 110834 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 234 AM CST Thu Feb 11 2021 ...Very Cold Temperatures Through This Morning... .Very cold temperatures will push wind chills into the 20 below to 25 below zero range into this morning. IAZ040>042-051>054-063>068-ILZ001-002-007-009-015-111600- /O.CON.KDVN.WC.Y.0004.000000T0000Z-210211T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Galena, Freeport, Mount Carroll, Sterling, Moline, and Rock Island 234 AM CST Thu Feb 11 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Portions of east central and northeast Iowa and northwest Illinois. * WHEN...Until 10 AM CST this morning. * 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. && $$ Haase www.weather.gov/dvn
386 WWUS43 KDVN 111557 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 957 AM CST Thu Feb 11 2021 IAZ040>042-051>054-063>068-ILZ001-002-007-009-015-111700- /O.EXP.KDVN.WC.Y.0004.000000T0000Z-210211T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Galena, Freeport, Mount Carroll, Sterling, Moline, and Rock Island 957 AM CST Thu Feb 11 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING... Conditions have improved this morning and wind chill index readings are no longer 20 below zero or colder. However, with air temperatures only in the single digits above and below zero, it will remain bitterly cold through the afternoon. $$ TJG
Nearby
Wind Chill Advisories in Iowa, 2021Wind Chill Advisories in Illinois, 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.