Alert archive / Iowa / Blizzard Warnings in 2020
Blizzard Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this blizzard warning at Dec 22, 2020, 9:01 PM CST for 15 counties in Iowa. It took effect at Dec 23, 2020, 12:00 PM CST. It was in force for 15 hr. 1 report 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 22, 2020, 9:01 PM CST (03:01 UTC)
- In effect from
- Dec 23, 2020, 12:00 PM CST
- Expired
- Dec 24, 2020, 3:00 AM CST
- In force
- 15 hr
- Issued by
- NWS Des Moines, IA
Counties Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 128 km from the middle of the area, began a volume at 02:59 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 23, 6:00 PM CST | HEAVY SNOW 2.5 | Fort Dodge, IA | COCORAHS OBSERVER REPORTS 2.5 INCHES OF SNOW IN 45 MINUTES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.0 hours before the alert went out and 234 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
- 1598 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 850 m²/s²
- 0-3 km storm-relative helicity
- 949 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
491 WWUS43 KDMX 230301 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 901 PM CST Tue Dec 22 2020 ...Hazardous Travel from Snow and Blowing Snow Wednesday... .A strong cold front will bring falling temperatures, gusty northwest winds, and snowfall to the area. Although current forecast snowfall amounts are not heavy, the combination of falling snow and winds gusting in excess of 50 mph at times are expected to create areas of blowing snow and low visibility. Those with travel plans Wednesday afternoon and evening are encouraged to plan ahead and be prepared for wintry travel conditions. IAZ004-231115- /O.UPG.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ /O.NEW.KDMX.BZ.W.0002.201223T1800Z-201224T0600Z/ Emmet- Including the city of Estherville 901 PM CST Tue Dec 22 2020 ...BLIZZARD WARNING IN EFFECT FROM NOON WEDNESDAY TO MIDNIGHT CST WEDNESDAY NIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 55 mph. * WHERE...Northwest Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the evening commute. Gusty winds could bring down tree branches. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Snowfall totals remain uncertain at this time. Amounts may trend higher in future updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ016-024-034-035-231115- /O.EXA.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ Hancock-Humboldt-Calhoun-Webster- Including the cities of Garner, Britt, Kanawha, Humboldt, Rockwell City, Manson, Lake City, Pomeroy, and Fort Dodge 901 PM CST Tue Dec 22 2020 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON WEDNESDAY TO MIDNIGHT CST WEDNESDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of up to one inch. Winds gusting as high as 45 to 55 mph. * WHERE...Northwest to north central Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the evening commute. * ADDITIONAL DETAILS...Snowfall totals remain uncertain at this time. Amounts may trend higher in future updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ005-006-015-023-033-044-231115- /O.CON.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ Kossuth-Winnebago-Palo Alto-Pocahontas-Sac-Crawford- Including the cities of Algona, Forest City, Lake Mills, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, and Denison 901 PM CST Tue Dec 22 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON WEDNESDAY TO MIDNIGHT CST WEDNESDAY NIGHT... * WHAT...Snow and blowing snow expected. Total snow accumulations of one inch or more. Winds gusting as high as 45 to 55 mph. * WHERE...Northwest into north central Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the evening commute. * ADDITIONAL DETAILS...Snowfall totals remain uncertain at this time. Amounts may trend higher in future updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
7 follow-up statements
517 WWUS43 KDMX 230950 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 350 AM CST Wed Dec 23 2020 ...Impactful Winter Storm to Bring Blizzard Conditions and Strong Winds to the Region Today and This Evening... .A strengthening winter storm will strong northwest winds with light to moderate snowfall to the area today. Falling temperatures with bitter cold conditions will follow late tonight into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times are expected to create blizzard conditions northwest and north. Those with travel plans today are encouraged to plan ahead and be prepared to alter plans if travel is being considered for portions of northwest, northern Iowa, much of Minnesota or the eastern Dakotas. IAZ005-006-015-016-023-024-033-034-044-231800- /O.UPG.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ /O.EXA.KDMX.BZ.W.0002.201223T1800Z-201224T0600Z/ Kossuth-Winnebago-Palo Alto-Hancock-Pocahontas-Humboldt-Sac- Calhoun-Crawford- Including the cities of Algona, Forest City, Lake Mills, Emmetsburg, Garner, Britt, Kanawha, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, and Denison 350 AM CST Wed Dec 23 2020 ...BLIZZARD WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 4 inches with the higher totals nearer the Iowa Minnesota border. Winds gusting as high as 50 to 55 mph. * WHERE...Northwest and Northern Iowa * WHEN...From noon today to midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times this afternoon and evening; especially northwest and north. * ADDITIONAL DETAILS...Dangerous travel may develop this afternoon and this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ007-045-231800- /O.EXA.KDMX.BZ.W.0002.201223T1800Z-201224T0600Z/ Worth-Carroll- Including the cities of Northwood, Manly, and Carroll 350 AM CST Wed Dec 23 2020 ...BLIZZARD WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 1 to 2 inches. Winds gusting as high as 50 mph. * WHERE...Portions of Western Iowa * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Blizzard conditions at times this afternoon and evening. Winds gusting as high as 45 to 50 mph at times reducing visibility to near zero at times mainly this afternoon. * ADDITIONAL DETAILS...Very poor to dangerous travel may develop this afternoon and early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ004-231800- /O.CON.KDMX.BZ.W.0002.201223T1800Z-201224T0600Z/ Emmet- Including the city of Estherville 350 AM CST Wed Dec 23 2020 ...BLIZZARD WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 5 inches. Winds gusting as high as 55 mph. * WHERE...Northwest Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times this afternoon and evening. * ADDITIONAL DETAILS...Dangerous travel may develop this afternoon and this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ017-025-026-036-046-047-057-058-070-231800- /O.EXA.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ Cerro Gordo-Wright-Franklin-Hamilton-Greene-Boone-Audubon-Guthrie- Cass- Including the cities of Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Webster City, Jefferson, Boone, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, and Atlantic 350 AM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations of up to 2 inches. Winds gusting as high as 45 mph. * WHERE...Portions of Western, Central and Northern Iowa * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Snow and blowing snow will significantly reduce visibility at times this afternoon and evening and result in hazardous travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ035-231800- /O.CON.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ Webster- Including the city of Fort Dodge 350 AM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 3 inches. Winds gusting as high as 45 to 55 mph. * WHERE...Northwest to north central Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Snow and blowing snow will significantly reduce visibility at times this afternoon and evening and result in hazardous travel to dangerous travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
232 WWUS43 KDMX 231643 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 1043 AM CST Wed Dec 23 2020 ...Impactful Winter Storm to Bring Blizzard Conditions and Strong Winds to the Region Today and This Evening... .A strengthening winter storm with strong northwest winds and light to moderate snowfall will continue to traverse the area today and tonight. Falling temperatures, inducing bitter cold conditions will follow late tonight into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times are expected to create blizzard conditions across northwest and northern Iowa. Those with travel plans today are encouraged to plan accordingly and be prepared to alter or cancel plans if travel is being considered in portions of northwest or northern Iowa, much of Minnesota, or the eastern Dakotas. IAZ004>007-015-016-023-024-033-034-044-045-240045- /O.CON.KDMX.BZ.W.0002.201223T1800Z-201224T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Pocahontas- Humboldt-Sac-Calhoun-Crawford-Carroll- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Denison, and Carroll 1043 AM CST Wed Dec 23 2020 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 4 inches with the higher totals nearer the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northwest and Northern Iowa. * WHEN...From noon today to midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times this afternoon and evening; especially northwest and north. * ADDITIONAL DETAILS...Dangerous travel may develop this afternoon and this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ017-025-026-035-036-046-047-057-058-070-240045- /O.CON.KDMX.WW.Y.0023.201223T1800Z-201224T0600Z/ Cerro Gordo-Wright-Franklin-Webster-Hamilton-Greene-Boone-Audubon- Guthrie-Cass- Including the cities of Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Fort Dodge, Webster City, Jefferson, Boone, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, and Atlantic 1043 AM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations of up to around 2 inches. Northwest winds gust to around 50 mph. * WHERE...Portions of Western, Central and Northern Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Snow and blowing snow may significantly reduce visibility at times this afternoon and evening and result in hazardous travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines CURTIS
629 WWUS43 KDMX 231954 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 154 PM CST Wed Dec 23 2020 ...Impactful Winter Storm to Continue Blizzard Conditions and Strong Winds in the Region This Afternoon and Evening... .A winter storm with strong northwest winds and light to moderate snowfall will continue to traverse the area today and tonight. Falling temperatures, inducing bitter cold conditions, will continue through tonight and into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times have created blizzard conditions across portions of northwest and northern Iowa this afternoon and are expected to continue and expand into the evening. Those with travel plans are strongly encouraged to plan accordingly and be prepared to alter or cancel plans if travel is being considered in portions of northwest or northern Iowa, much of Minnesota, or the eastern Dakotas. IAZ017-025-035-240400- /O.UPG.KDMX.WW.Y.0023.000000T0000Z-201224T0600Z/ /O.EXA.KDMX.BZ.W.0002.000000T0000Z-201224T0600Z/ Cerro Gordo-Wright-Webster- Including the cities of Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, and Fort Dodge 154 PM CST Wed Dec 23 2020 ...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 4 inches with the higher totals closer to the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northern Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times this afternoon and evening, resulting in very dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ004>007-015-016-023-024-033-034-044-045-240400- /O.CON.KDMX.BZ.W.0002.000000T0000Z-201224T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Pocahontas- Humboldt-Sac-Calhoun-Crawford-Carroll- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Denison, and Carroll 154 PM CST Wed Dec 23 2020 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 4 inches with the higher totals closer to the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northwest and Northern Iowa. * WHEN...From noon today to midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times this afternoon and evening, resulting in very dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ027-037-048-059-060-071-240400- /O.EXA.KDMX.WW.Y.0023.000000T0000Z-201224T0600Z/ Butler-Hardin-Story-Dallas-Polk-Adair- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Iowa Falls, Eldora, Ackley, Ames, Perry, Waukee, Adel, Des Moines, Greenfield, Stuart, Adair, and Fontanelle 154 PM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Light snowfall accumulations up to an inch. Northwest wind gusts to around 50 mph. * WHERE...Central Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Falling snow and strong winds will combine to produce blowing snow and reduce visibilities to under a half mile at times, resulting in hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ026-036-046-047-057-058-070-240400- /O.CON.KDMX.WW.Y.0023.000000T0000Z-201224T0600Z/ Franklin-Hamilton-Greene-Boone-Audubon-Guthrie-Cass- Including the cities of Hampton, Webster City, Jefferson, Boone, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, and Atlantic 154 PM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations of up to around 2 inches. Northwest winds gust to around 50 mph. * WHERE...Portions of Western, Central and Northern Iowa. * WHEN...From noon Wednesday to midnight CST Wednesday night. * IMPACTS...Falling snow and strong winds will combine to produce blowing snow and reduce visibilities to under a half mile at times, resulting in hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines CURTIS
424 WWUS43 KDMX 232305 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 505 PM CST Wed Dec 23 2020 ...Winter Storm to Continue Blizzard Conditions and Strong Winds into this Evening... .A winter storm with strong northwest winds and light to moderate snowfall will continue to traverse the area into this evening. Falling temperatures, inducing bitter cold conditions, will continue through tonight and into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times have created blizzard conditions across portions of northwest and northern Iowa. Those with travel plans are strongly encouraged to plan accordingly and be prepared to alter or cancel plans if travel is being considered in portions of northwest or northern Iowa, much of Minnesota, or the eastern Dakotas. IAZ004>007-015>017-023>025-033>035-044-045-240600- /O.CON.KDMX.BZ.W.0002.000000T0000Z-201224T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Sac-Calhoun-Webster-Crawford-Carroll- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Denison, and Carroll 505 PM CST Wed Dec 23 2020 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 5 inches with the higher totals closer to the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northern Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times resulting in extremely dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ026-027-036-037-046>048-057>060-070-071-240600- /O.CON.KDMX.WW.Y.0023.000000T0000Z-201224T0600Z/ Franklin-Butler-Hamilton-Hardin-Greene-Boone-Story-Audubon- Guthrie-Dallas-Polk-Cass-Adair- Including the cities of Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Webster City, Iowa Falls, Eldora, Ackley, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 505 PM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations up to 2 inches. Northwest winds gust to around 50 mph. * WHERE...Portions of Western, Central and Northern Iowa. * WHEN...Until midnight tonight. * IMPACTS...Falling snow and strong winds will combine to produce blowing snow and reduce visibilities to under a half mile at times, resulting in hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
237 WWUS43 KDMX 240229 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 829 PM CST Wed Dec 23 2020 ...Blizzard Conditions and Strong Winds will continue this Evening... .Snow is gradually ending from west to east as a winter storm continues to traverse the area. Falling temperatures, inducing bitter cold conditions, will continue through tonight and into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times have created blizzard conditions across portions of northwest and northern Iowa. Those with travel plans are strongly encouraged to plan accordingly and be prepared to alter or cancel plans if travel is being considered in portions of northwest or northern Iowa, much of Minnesota, or the eastern Dakotas. IAZ004>007-015>017-023>025-033>035-044-045-240600- /O.CON.KDMX.BZ.W.0002.000000T0000Z-201224T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Sac-Calhoun-Webster-Crawford-Carroll- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Denison, and Carroll 829 PM CST Wed Dec 23 2020 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 5 inches with the higher totals closer to the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northern Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times resulting in extremely dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ026-027-036-037-046>048-057>060-070-071-240600- /O.CON.KDMX.WW.Y.0023.000000T0000Z-201224T0600Z/ Franklin-Butler-Hamilton-Hardin-Greene-Boone-Story-Audubon- Guthrie-Dallas-Polk-Cass-Adair- Including the cities of Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Webster City, Iowa Falls, Eldora, Ackley, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 829 PM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations up to 2 inches. Northwest winds gust in excess of 50 mph. * WHERE...Portions of Western, Central and Northern Iowa. * WHEN...Until midnight tonight. * IMPACTS...Falling snow and strong winds will combine to produce blowing snow and reduce visibilities to under a half mile at times, resulting in hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
332 WWUS43 KDMX 240459 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 1059 PM CST Wed Dec 23 2020 ...Blizzard Conditions and Strong Winds will continue Tonight... .Snow is gradually ending from west to east as a winter storm continues to traverse the area. Falling temperatures, inducing bitter cold conditions, will continue through tonight and into Thursday morning. The combination of falling snow and winds gusting in excess of 50 mph at times have created blizzard conditions across portions of northwest and northern Iowa. Those with travel plans are strongly encouraged to plan accordingly and be prepared to alter or cancel plans if travel is being considered in portions of northwest or northern Iowa, much of Minnesota, or the eastern Dakotas. IAZ004>007-015>017-023>025-033>035-044-045-240900- /O.EXT.KDMX.BZ.W.0002.000000T0000Z-201224T0900Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Sac-Calhoun-Webster-Crawford-Carroll- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Denison, and Carroll 1059 PM CST Wed Dec 23 2020 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Blizzard conditions expected. Total snow accumulations of 2 to 5 inches with the higher totals closer to the Iowa Minnesota border. Winds gusting to around 55 mph. * WHERE...Northern Iowa. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Snow and blowing snow will significantly reduce visibility to near zero at times resulting in extremely dangerous travel conditions that will be near impossible in some areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ026-027-036-037-046>048-057>060-070-071-240900- /O.EXT.KDMX.WW.Y.0023.000000T0000Z-201224T0900Z/ Franklin-Butler-Hamilton-Hardin-Greene-Boone-Story-Audubon- Guthrie-Dallas-Polk-Cass-Adair- Including the cities of Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Webster City, Iowa Falls, Eldora, Ackley, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 1059 PM CST Wed Dec 23 2020 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Snow expected. Total snow accumulations up to 2 inches. Northwest winds gust in excess of 50 mph. * WHERE...Portions of Western, Central and Northern Iowa. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Falling snow and strong winds will combine to produce blowing snow and reduce visibilities to under a half mile at times, resulting in hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
174 WWUS43 KDMX 240916 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 316 AM CST Thu Dec 24 2020 ...Blowing Snow Diminishing, but Bitterly Cold into Christmas... .No additional snow is anticipated, but minor blowing snow will continue this morning, especially in open areas. The primary weather story will turn to bitterly cold temperatures today through Christmas morning. Temperatures across northern Iowa should be no better than then single digits above zero, and down into the single digits below zero at night. IAZ004>007-015>017-023>025-033>035-241800- /O.EXP.KDMX.BZ.W.0002.000000T0000Z-201224T0900Z/ /O.NEW.KDMX.WC.Y.0007.201224T0916Z-201224T1800Z/ /O.NEW.KDMX.WC.Y.0008.201225T0000Z-201225T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Sac-Calhoun-Webster- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, and Fort Dodge 316 AM CST Thu Dec 24 2020 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... ...BLIZZARD WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... * WHAT...Bitter cold wind chills expected this morning, and then again tonight into Christmas morning. Wind chills 20 to 30 below zero north. * WHERE...Northern Iowa * WHEN...For the first Wind Chill Advisory, until noon CST today. For the second Wind Chill Advisory, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Blizzard conditions and additional snowfall have ended, but some minor blowing snow may persist today, especially in rural, open areas. Some roads may remain slick and snow covered as well. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Motorists are also advised to slow down, be prepared for variable possibly hazardous road conditions, and plan for extra travel time. && $$ IAZ044-045-241030- /O.EXP.KDMX.BZ.W.0002.000000T0000Z-201224T0900Z/ Crawford-Carroll- Including the cities of Denison and Carroll 316 AM CST Thu Dec 24 2020 ...BLIZZARD WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... Blizzard conditions have ended, with no additional snowfall anticipated, however minor blowing snow may persist today, especially in rural, open areas. Motorists are advised to slow down, be prepared for variable possibly hazardous road conditions, and plan for extra travel time. $$ IAZ026-027-036-037-241800- /O.EXP.KDMX.WW.Y.0023.000000T0000Z-201224T0900Z/ /O.NEW.KDMX.WC.Y.0007.201224T0916Z-201224T1800Z/ /O.NEW.KDMX.WC.Y.0008.201225T0000Z-201225T1500Z/ Franklin-Butler-Hamilton-Hardin- Including the cities of Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Webster City, Iowa Falls, Eldora, and Ackley 316 AM CST Thu Dec 24 2020 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... * WHAT...Bitter cold wind chills expected this morning, and then again tonight into Christmas morning. Wind chills 15 to 25 below zero. * WHERE...Northern Iowa * WHEN...For the first Wind Chill Advisory, until noon CST today. For the second Wind Chill Advisory, from 6 PM this evening to 9 AM CST Friday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Additional snowfall has ended, but some minor blowing snow may persist today, especially in rural, open areas. Some roads may remain slick and snow covered as well. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Motorists are advised to slow down as needed, be prepared for variable possibly hazardous road conditions, and plan for extra travel time. && $$ IAZ046>048-057>060-070-071-241030- /O.EXP.KDMX.WW.Y.0023.000000T0000Z-201224T0900Z/ Greene-Boone-Story-Audubon-Guthrie-Dallas-Polk-Cass-Adair- Including the cities of Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 316 AM CST Thu Dec 24 2020 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... Blowing snow conditions have diminished, with no additional snowfall anticipated, however minor blowing snow may persist today, especially in rural, open areas. Motorists are advised to slow down, be prepared for variable possibly hazardous road conditions, and plan for extra travel time. $$ IAZ028-038-241800- /O.NEW.KDMX.WC.Y.0007.201224T0916Z-201224T1800Z/ /O.NEW.KDMX.WC.Y.0008.201225T0000Z-201225T1500Z/ Bremer-Grundy- Including the cities of Waverly, Grundy Center, Reinbeck, Conrad, Dike, and Wellsburg 316 AM CST Thu Dec 24 2020 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...Bitter cold temperatures and wind chills. Wind chills as low as 20 below zero. * WHERE...Portions of northeast Iowa. * WHEN...For the first Wind Chill Advisory, until noon CST today. For the second Wind Chill Advisory, from 6 PM this evening to 9 AM CST Friday. * 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/desmoines Small
Nearby
Blizzard Warnings in Iowa, 2020Every blizzard warning in 2020
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.