Alert archive / Iowa / Wind Chill Warnings in 2021
Wind Chill Warning 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill warning at Feb 9, 2021, 2:28 AM CST for 15 counties in Iowa. It was in force for 8 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 9, 2021, 2:28 AM CST (08:28 UTC)
- Expired
- Feb 9, 2021, 10:00 AM CST
- In force
- 8 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, Keokuk County, IA, Linn County, IA, Muscatine County, IA, Scott County, IA, Washington County, IA
The radar
The Quad Cities radar (KDVN), 73 km from the middle of the area, began a volume at 08:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 9, 5:25 AM CST | SNOW 3 | 1 Ssw North Liberty, IA | 0.5 INCHES DURING THE MORNING AND ANOTHER 2.5 INCHES DURING THE LATE MORNING AND AFTERNOON. |
| Feb 9, 5:27 AM CST | SNOW 1.8 | Lisbon, IA | |
| Feb 9, 5:28 AM CST | SNOW 1.1 | 2 W Cedar Rapids, IA | |
| Feb 9, 5:33 AM CST | SNOW 4.5 | Clarence, IA | VIA SOCIAL MEDIA. |
| Feb 9, 8:03 AM CST | SNOW 2 | Durant, IA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 8.5 hours before the alert went out and 78 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
- 801 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
073 WWUS43 KDVN 090828 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 228 AM CST Tue Feb 9 2021 ...Bitterly Cold Temperatures Through This Morning... .Bitterly cold temperatures will push wind chills into the 20 to 40 below zero range through this morning. The coldest wind chills will be along and northwest of a Dubuque to Cedar Rapids line. IAZ040>042-051>054-063>068-076-077-091600- /O.UPG.KDVN.WC.Y.0003.000000T0000Z-210209T1600Z/ /O.NEW.KDVN.WC.W.0002.210209T0828Z-210209T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, and Washington 228 AM CST Tue Feb 9 2021 ...WIND CHILL WARNING IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Dangerously cold wind chills. Wind chills as low as around 35 below zero. * WHERE...Portions of east central, northeast and southeast Iowa. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. && $$ IAZ078-087>089-098-099-ILZ001-002-007-009-015>018-024>026-MOZ009- 010-091600- /O.CON.KDVN.WC.Y.0003.000000T0000Z-210209T1600Z/ Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Jo Daviess- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Scotland-Clark- Including the cities of Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, Monmouth, Memphis, and Kahoka 228 AM CST Tue Feb 9 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 20 to 30 below zero. * WHERE...Portions of east central Iowa and northwest Illinois. * WHEN...Until 10 AM CST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Haase www.weather.gov/dvn
2 follow-up statements
228 WWUS43 KDVN 091152 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 552 AM CST Tue Feb 9 2021 ...Bitterly Cold Temperatures Through This Morning... .Bitterly cold temperatures will push wind chills into the 20 to 40 below zero range through this morning. The coldest wind chills will be along and northwest of a Dubuque to Cedar Rapids line. IAZ040>042-051>054-063>068-076-077-091600- /O.CON.KDVN.WC.W.0002.000000T0000Z-210209T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, and Washington 552 AM CST Tue Feb 9 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Dangerously cold wind chills. Wind chills as low as around 35 below zero. * WHERE...Portions of east central, northeast and southeast Iowa. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. && $$ IAZ078-087>089-098-099-ILZ001-002-007-009-015>018-024>026-MOZ009- 010-091600- /O.CON.KDVN.WC.Y.0003.000000T0000Z-210209T1600Z/ Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Jo Daviess- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Scotland-Clark- Including the cities of Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, Monmouth, Memphis, and Kahoka 552 AM CST Tue Feb 9 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 20 to 30 below zero. * WHERE...Portions of east central Iowa and northwest Illinois. * WHEN...Until 10 AM CST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Haase www.weather.gov/dvn
883 WWUS43 KDVN 091559 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 959 AM CST Tue Feb 9 2021 IAZ040>042-051>054-063>068-076-077-091700- /O.EXP.KDVN.WC.W.0002.000000T0000Z-210209T1600Z/ Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington- Including the cities of Independence, Manchester, Dubuque, Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, and Washington 959 AM CST Tue Feb 9 2021 ...WIND CHILL WARNING WILL EXPIRE AT 10 AM CST THIS MORNING... Conditions have improved some this morning and wind chill index readings are no longer dangerously cold. However, the combination of below zero temperatures and light north winds will produce wind chills around 20 below zero at times through midday. $$ IAZ078-087>089-098-099-ILZ001-002-007-009-015>018-024>026-MOZ009- 010-091700- /O.EXP.KDVN.WC.Y.0003.000000T0000Z-210209T1600Z/ Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Jo Daviess- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Scotland-Clark- Including the cities of Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, Monmouth, Memphis, and Kahoka 959 AM CST Tue Feb 9 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING... Conditions have improved some this morning and wind chill index readings are no longer 20 below zero or colder. However, with air temperatures only in the single digits above and below zero, it will remain bitterly cold through the afternoon. $$ www.weather.gov/dvn
Nearby
Wind Chill Warnings in Iowa, 2021Every wind chill warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.