Alert archive / Iowa / Winter Storm Warnings in 2017
Winter Storm Warning 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this winter storm warning at Dec 29, 2017, 8:14 PM CST for 5 counties in Iowa; 5 counties in Illinois. It took effect at Dec 29, 2017, 9:00 PM CST. It was in force for 60 min. 6 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
- Dec 29, 2017, 8:14 PM CST (02:14 UTC)
- In effect from
- Dec 29, 2017, 9:00 PM CST
- Expired
- Dec 29, 2017, 10:00 PM CST
- In force
- 60 min
- Issued by
- NWS Quad Cities, IA
Counties Cedar County, IA, Clinton County, IA, Jones County, IA, Muscatine County, IA, Scott County, IA, Bureau County, IL, Henry County, IL, Putnam County, IL, Rock Island County, IL, Whiteside County, IL
The radar
The Quad Cities radar (KDVN), 15 km from the middle of the area, began a volume at 02:15 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 |
|---|---|---|---|
| Dec 29, 9:10 PM CST | SNOW 4.2 | 2 Wnw Dover, IL | EVENT TOTAL. |
| Dec 29, 9:10 PM CST | SNOW 4.2 | 5 Nne Princeton, IL | EVENT TOTAL. |
| Dec 29, 9:33 PM CST | SNOW 6 | 3 Ne Rochester, IA | PUBLIC REPORT RECEIVED VIA KWWL. |
| Dec 29, 9:33 PM CST | SNOW 6 | 5 S Tipton, IA | PUBLIC REPORT RECEIVED VIA KWWL. |
| Dec 29, 10:08 PM CST | SNOW 6 | 1 E Muscatine, IA | EVENT TOTAL. |
| Dec 29, 10:08 PM CST | SNOW 6 | 1 Ene Muscatine, IA | EVENT TOTAL. |
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, 2.2 hours before the alert went out and 9 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
- 685 m above ground
- 0-6 km bulk shear
- 111 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
756 WWUS43 KDVN 300214 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 814 PM CST Fri Dec 29 2017 ...Snow ending from west to east... .A storm system is moving east with snow ending from west to east the next couple of hours. Little or no additional snow accumulations are expected. Starting very late tonight a prolonged wind chill advisory will go into effect for the entire area through Tuesday morning. During the daylight hours there will be times when the wind chills are warmer than 20 below zero. However, at night wind chills will drop back into the 20 to 30 below zero range. The probability is high that portions of the wind chill advisory will be upgraded at times to a wind chill warning. IAZ053-065>068-ILZ009-015>018-301015- /O.CAN.KDVN.WS.W.0001.000000T0000Z-171230T0400Z/ /O.NEW.KDVN.WS.W.0002.171230T0300Z-171230T0400Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Jones-Cedar-Clinton-Muscatine-Scott-Whiteside-Rock Island- Henry IL-Bureau-Putnam- Including the cities of Anamosa, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sterling, Moline, Rock Island, Geneseo, Princeton, and Hennepin 814 PM CST Fri Dec 29 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... * WHAT...snow ending from west to east. Very cold wind chills expected. Plan on difficult travel conditions the next couple of hours. Minor additional snow accumulations less than a half inch are expected. Expect wind chills to range from 5 below zero to 30 below zero. * WHERE...Portions of north central Illinois, northwest Illinois and east central Iowa. * WHEN...For the Winter Storm Warning, until 10 PM today. For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means significant amounts of ice are expected This will make travel very hazardous or impossible. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ051-052-063-064-301015- /O.CAN.KDVN.WS.W.0001.000000T0000Z-171230T0300Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Benton-Linn-Iowa-Johnson- Including the cities of Vinton, Cedar Rapids, Marengo, and Iowa City 814 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...snow has ended with flurries lingering. Very cold wind chills expected. Expect wind chills to range from 15 below zero to 29 below zero. * WHERE...Benton, Linn, Iowa and Johnson County. * WHEN...For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ042-054-078-089-ILZ001-002-007-024>026-301015- /O.CAN.KDVN.WW.Y.0007.000000T0000Z-171230T0400Z/ /O.NEW.KDVN.WW.Y.0008.171230T0300Z-171230T0400Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Dubuque-Jackson-Louisa-Des Moines-Jo Daviess-Stephenson-Carroll- Mercer-Henderson-Warren- Including the cities of Dubuque, Maquoketa, Wapello, Burlington, Galena, Freeport, Mount Carroll, Aledo, Oquawka, and Monmouth 814 PM CST Fri Dec 29 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... * WHAT...Snow is ending the next couple of hours. Very cold wind chills expected. Plan on slippery road conditions, including during the evening commute. Minor additional snow accumulations up to a half inch are expected. Expect wind chills to range from 10 below zero to 30 below zero. * WHERE...Portions of northwest Illinois, west central Illinois, east central Iowa, northeast Iowa and southeast Iowa. * WHEN...For the Winter Weather Advisory, until 10 PM today. For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ040-041-076-077-088-301015- /O.CAN.KDVN.WW.Y.0007.000000T0000Z-171230T0300Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Buchanan-Delaware-Keokuk-Washington-Henry IA- Including the cities of Independence, Manchester, Sigourney, Washington, and Mount Pleasant 814 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow has ended with lingering flurries. Very cold wind chills expected. Plan on slippery road conditions, including during the evening commute. Expect wind chills to range from 15 below zero to 29 below zero. * WHERE...Buchanan, Delaware, Keokuk, Washington and Henry IA County. * WHEN...For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ087-098-099-ILZ034-035-MOZ009-010-301015- /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Jefferson-Van Buren-Lee-Hancock-McDonough-Scotland-Clark- Including the cities of Fairfield, Keosauqua, Fort Madison, Carthage, Macomb, Memphis, and Kahoka 814 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 10 below zero to 29 below zero. * WHERE...Portions of west central Illinois, southeast Iowa and northeast Missouri. * WHEN...4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ Nichols
1 follow-up statement
979 WWUS43 KDVN 300355 WSWDVN URGENT - WINTER WEATHER MESSAGE National Weather Service Quad Cities IA IL 955 PM CST Fri Dec 29 2017 ...Snow ending from west to east... .Snow has ended with some lingering flurries with no additional accumulation. Starting very late tonight a prolonged wind chill advisory will go into effect for the entire area through Tuesday morning. During the daylight hours there will be times when the wind chills are warmer than 20 below zero. However, at night wind chills will drop back into the 20 to 30 below zero range. The probability is high that portions of the wind chill advisory will be upgraded at times to a wind chill warning. IAZ053-065>068-ILZ009-015>018-301200- /O.EXP.KDVN.WS.W.0002.000000T0000Z-171230T0400Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Jones-Cedar-Clinton-Muscatine-Scott-Whiteside-Rock Island- Henry IL-Bureau-Putnam- Including the cities of Anamosa, Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sterling, Moline, Rock Island, Geneseo, Princeton, and Hennepin 955 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... ...WINTER STORM WARNING WILL EXPIRE AT 10 PM CST THIS EVENING... * WHAT...snow has ended from west to east. Very cold wind chills expected. Difficult travel conditions may be possible the next couple of hours. Expect wind chills to range from 5 below zero to 30 below zero. * WHERE...Portions of north central Illinois, northwest Illinois and east central Iowa. * WHEN...For the Winter Storm Warning, expires at 10 PM tonight. For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ042-054-078-089-ILZ001-002-007-024>026-301200- /O.EXP.KDVN.WW.Y.0008.000000T0000Z-171230T0400Z/ /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Dubuque-Jackson-Louisa-Des Moines-Jo Daviess-Stephenson-Carroll- Mercer-Henderson-Warren- Including the cities of Dubuque, Maquoketa, Wapello, Burlington, Galena, Freeport, Mount Carroll, Aledo, Oquawka, and Monmouth 955 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM CST THIS EVENING... * WHAT...Lingering flurries possible tonight. Very cold wind chills expected. Plan on slippery road conditions through this evening. Expect wind chills to range from 10 below zero to 30 below zero. * WHERE...Portions of northwest Illinois, west central Illinois, east central Iowa, northeast Iowa and southeast Iowa. * WHEN...For the Winter Weather Advisory, until 10 PM tonight. For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ IAZ040-041-051-052-063-064-076-077-087-088-098-099-ILZ034-035- MOZ009-010-301200- /O.CON.KDVN.WC.Y.0003.171230T1000Z-180102T1800Z/ Buchanan-Delaware-Benton-Linn-Iowa-Johnson-Keokuk-Washington- Jefferson-Henry IA-Van Buren-Lee-Hancock-McDonough-Scotland-Clark- Including the cities of Independence, Manchester, Vinton, Cedar Rapids, Marengo, Iowa City, Sigourney, Washington, Fairfield, Mount Pleasant, Keosauqua, Fort Madison, Carthage, Macomb, Memphis, and Kahoka 955 PM CST Fri Dec 29 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO NOON CST TUESDAY... * WHAT...snow has ended with flurries lingering. Very cold wind chills expected. Expect wind chills to range from 15 below zero to 29 below zero. * WHERE...Benton, Linn, Iowa and Johnson County. * WHEN...For the Wind Chill Advisory, 4 AM Saturday to noon Tuesday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ Nichols
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 8:14 PM CST | Winter Weather Advisory | DVN | Des Moines, Dubuque, Jackson, Louisa | 106 min |
Nearby
Winter Storm Warnings in Iowa, 2017Winter Storm Warnings in Illinois, 2017Every winter storm warning in 2017
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.