Alert archive / Iowa / Wind Chill Advisories in 2021
Wind Chill Advisory 6, NWS Des Moines, IA
NWS Des Moines, IA issued this wind chill advisory at Feb 12, 2021, 4:04 AM CST for 37 counties in Iowa. It took effect at Feb 13, 2021, 12:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 2021, 4:04 AM CST (10:04 UTC)
- In effect from
- Feb 13, 2021, 12:00 AM CST
- Expired
- Feb 13, 2021, 12:00 PM CST
- In force
- 12 hr
- Issued by
- NWS Des Moines, IA
All 37 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA
The radar
The Des Moines radar (KDMX), 23 km from the middle of the area, began a volume at 10:07 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
Omaha, NE (KOAX), launched 00:00Z, 10.1 hours before the alert went out and 202 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
- 639 m above ground
- 0-6 km bulk shear
- 99 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
813 WWUS43 KDMX 121004 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 404 AM CST Fri Feb 12 2021 ...Very Cold Wind Chills Continue Across Iowa... .An arctic airmass will continue to linger across central Iowa this morning and through the weekend. The combination of the very cold temperatures and north winds will produce dangerous wind chills during this period. IAZ035-036-044>048-057>061-070>075-081>086-092>097-121815- /O.NEW.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ /O.CON.KDMX.WC.Y.0005.000000T0000Z-210212T1800Z/ Webster-Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon- Guthrie-Dallas-Polk-Jasper-Cass-Adair-Madison-Warren-Marion- Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold- Decatur-Wayne-Appanoose-Davis- Including the cities of Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 404 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... * WHAT...Very cold wind chills. Wind chills as low as 30 below zero. * WHERE...Portions of central Iowa. * WHEN...For the first Wind Chill Advisory, until noon CST today. For the second Wind Chill Advisory, from midnight tonight to noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ006-007-016-017-025>028-037>039-049-050-062-121815- /O.EXT.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama-Poweshiek- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, and Grinnell 404 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST SATURDAY... * WHAT...Very cold wind chills expected. Widespread wind chill values 20 below zero and as low as around 35 below zero over far northern Iowa. * WHERE...Portions of northern and eastern Iowa. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ004-005-015-023-024-033-034-121800- /O.CON.KDMX.WC.Y.0005.000000T0000Z-210212T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, and Pomeroy 404 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills expected. Widespread wind chill values 20 below zero and as low as around 35 below zero over far northern Iowa. * WHERE...All of central Iowa. * WHEN...Until noon CST Friday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 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
6 follow-up statements
753 WWUS43 KDMX 121801 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 1201 PM CST Fri Feb 12 2021 ...Cold Wind Chills Continue Across Iowa... .An arctic airmass will continue to linger across central Iowa through the weekend. The combination of the very cold temperatures and north winds will produce dangerous wind chills during this period. IAZ035-036-044>048-057>061-070>075-081>086-092>097-130215- /O.EXP.KDMX.WC.Y.0005.000000T0000Z-210212T1800Z/ /O.CON.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ Webster-Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon- Guthrie-Dallas-Polk-Jasper-Cass-Adair-Madison-Warren-Marion- Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold- Decatur-Wayne-Appanoose-Davis- Including the cities of Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 1201 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... * WHAT...Very cold wind chills expected again tonight. Wind chills as low as 25 below zero. * WHERE...Portions of central Iowa. * WHEN...The first wind chill advisory will expire at noon today. The second Wind Chill Advisory is in effect from midnight tonight to noon CST Saturday. * 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. && $$ IAZ004-005-015-023-024-033-034-121915- /O.EXP.KDMX.WC.Y.0005.000000T0000Z-210212T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, and Pomeroy 1201 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... As temperatures slowly continue to rise today, wind chills will ease and rise above the 20 degrees below zero threshold, allowing the wind chill advisory to expire. $$ IAZ006-007-016-017-025>028-037>039-049-050-062-130215- /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama-Poweshiek- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, and Grinnell 1201 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... * WHAT...Very cold wind chills expected. Widespread wind chill values 20 below zero and as low as around 35 below zero over far northern Iowa. * WHERE...Portions of northern and eastern Iowa. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines CURTIS
705 WWUS43 KDMX 122059 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 259 PM CST Fri Feb 12 2021 ...Dangerous Cold To Continue And Intensify Even Further... .Hazardous cold levels will persist tonight and Saturday morning, then intensify to even more dangerously cold levels from Saturday night into early next week. IAZ004-005-015-023-024-033-034-130500- /O.NEW.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ /O.EXA.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, and Pomeroy 259 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... ...WIND CHILL WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Wind Chill Advisory, very cold wind chills as low as 25 below zero. For the Wind Chill Watch, dangerously cold wind chills of 30 to 45 below zero. * WHERE...Much of northern and western Iowa. * WHEN...For the Wind Chill Advisory, from midnight tonight to noon CST Saturday. For the Wind Chill Watch, from Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...After a week of bitter and hazardous cold weather, conditions will worsen even further from Saturday night through early next week, with multiple days seeing wind chills falling to -30 or lower and daytime temperatures remaining below zero. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ IAZ006-007-016-017-025>028-037>039-049-050-130500- /O.NEW.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, and Gladbrook 259 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... ...WIND CHILL WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Wind Chill Advisory, very cold wind chills as low as 25 below zero. For the Wind Chill Watch, dangerously cold wind chills of 30 to 40 below zero. * WHERE...Much of northern into east central Iowa. * WHEN...For the Wind Chill Advisory, until noon CST Saturday. For the Wind Chill Watch, from Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...After a week of bitter and hazardous cold weather, conditions will worsen even further from Saturday night through early next week, with multiple days seeing wind chills falling to -30 or lower and daytime temperatures remaining below zero. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ IAZ035-036-044>048-057>059-070-071-130500- /O.NEW.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ Webster-Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon- Guthrie-Dallas-Cass-Adair- Including the cities of Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 259 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... ...WIND CHILL WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Wind Chill Advisory, very cold wind chills as low as 25 below zero. For the Wind Chill Watch, dangerously cold wind chills of 30 to 40 below zero. * WHERE...Much of northwestern into central Iowa. * WHEN...For the Wind Chill Advisory, from midnight tonight to noon CST Saturday. For the Wind Chill Watch, from Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...After a week of bitter and hazardous cold weather, conditions will worsen even further from Saturday night through early next week, with multiple days seeing wind chills falling to -30 or lower and daytime temperatures remaining below zero. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ IAZ062-130500- /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Poweshiek- Including the city of Grinnell 259 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... * WHAT...Very cold wind chills as low as 25 below zero. * WHERE...Portions of eastern Iowa. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ060-061-072>075-081>086-092>097-130500- /O.CON.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ Polk-Jasper-Madison-Warren-Marion-Mahaska-Adams-Union-Clarke- Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose- Davis- Including the cities of Des Moines, Newton, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 259 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... * WHAT...Very cold wind chills as low as 25 below zero. * WHERE...Central and southern Iowa. * WHEN...From midnight tonight to noon CST Saturday. * 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. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
997 WWUS43 KDMX 130237 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 837 PM CST Fri Feb 12 2021 ...Dangerous Cold To Continue And Intensify Even Further... .Hazardous cold levels will persist tonight and Saturday morning, then intensify to even more dangerously cold levels from Saturday night into early next week. IAZ006-007-016-017-025>028-037>039-049-050-131045- /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ /O.CON.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, and Gladbrook 837 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... ...WIND CHILL WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Wind Chill Advisory, very cold wind chills as low as 25 below zero. For the Wind Chill Watch, dangerously cold wind chills of 30 to 40 below zero. * WHERE...Much of northern into east central Iowa. * WHEN...For the Wind Chill Advisory, until noon CST Saturday. For the Wind Chill Watch, from Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ IAZ004-005-015-023-024-033>036-044>048-057>059-070-071-131045- /O.CON.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ /O.CON.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun-Webster- Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon-Guthrie- Dallas-Cass-Adair- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 837 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... ...WIND CHILL WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Wind Chill Advisory, very cold wind chills as low as 25 below zero. For the Wind Chill Watch, dangerously cold wind chills of 30 to 40 below zero. * WHERE...Much of northwestern into central Iowa. * WHEN...For the Wind Chill Advisory, from midnight tonight to noon CST Saturday. For the Wind Chill Watch, from Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ IAZ062-131045- /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Poweshiek- Including the city of Grinnell 837 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... * WHAT...Very cold wind chills as low as 25 below zero. * WHERE...Portions of eastern Iowa. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ060-061-072>075-081>086-092>097-131045- /O.CON.KDMX.WC.Y.0006.210213T0600Z-210213T1800Z/ Polk-Jasper-Madison-Warren-Marion-Mahaska-Adams-Union-Clarke- Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose- Davis- Including the cities of Des Moines, Newton, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 837 PM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY... * WHAT...Very cold wind chills as low as 25 below zero. * WHERE...Central and southern Iowa. * WHEN...From midnight tonight to noon CST Saturday. * 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
241 WWUS43 KDMX 130952 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 352 AM CST Sat Feb 13 2021 ...Dangerous Cold To Continue And Intensify Even Further... .Hazardous cold levels will continue this morning, then intensify to even more dangerously cold levels from Saturday night into early next week. IAZ004-005-015-023-024-033>036-044>048-057>059-070-071-131800- /O.UPG.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ /O.NEW.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0006.000000T0000Z-210213T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun-Webster- Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon-Guthrie- Dallas-Cass-Adair- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Atlantic, Greenfield, Stuart, Adair, and Fontanelle 352 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 40 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 25 below zero. * WHERE...Much of northern and central Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ006-007-016-017-025>028-037>039-049-050-131800- /O.UPG.KDMX.WC.A.0001.210214T0300Z-210215T1800Z/ /O.NEW.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, and Gladbrook 352 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 40 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 30 below zero. * WHERE...Much of central and eastern Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ060-061-072>075-081>086-092>097-131800- /O.NEW.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0006.000000T0000Z-210213T1800Z/ Polk-Jasper-Madison-Warren-Marion-Mahaska-Adams-Union-Clarke- Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose- Davis- Including the cities of Des Moines, Newton, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 352 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 35 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 25 below zero. * WHERE...Much of central and southern Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IAZ062-131800- /O.NEW.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Poweshiek- Including the city of Grinnell 352 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 35 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 25 below zero. * WHERE...East Central Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. 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
515 WWUS43 KDMX 131539 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 939 AM CST Sat Feb 13 2021 ...Dangerous Cold To Continue And Intensify Even Further... .Hazardous cold levels will continue for a couple of more hours this morning. There will be break this afternoon, but wind chills will then intensify to even more dangerously cold levels from Saturday night into early next week. IAZ004-005-015-023-024-033>036-044>048-057>061-070>075-081>086- 092>097-132345- /O.CON.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0006.000000T0000Z-210213T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun-Webster- Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon-Guthrie- Dallas-Polk-Jasper-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams- Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 939 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 40 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 25 below zero. * WHERE...Much of northern and central Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Krull IAZ006-007-016-017-025>028-037>039-049-050-062-132345- /O.CON.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ /O.CON.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama-Poweshiek- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, and Grinnell 939 AM CST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 40 below zero. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 30 below zero. * WHERE...Much of central and eastern Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Krull For more information from the National Weather Service visit https://weather.gov/desmoines
067 WWUS43 KDMX 131747 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 1147 AM CST Sat Feb 13 2021 ...Dangerous Cold To Continue And Intensify Even Further... .The wind chill advisory will be allowed to expire at noon. Wind chill values will still be cold this afternoon, between 15 to 20 below zero. Please take precautions if you must go outside this afternoon. Tonight and through Sunday morning, wind chills will become very dangerous again. This will then continue all day on Sunday. Thus, these counties are highlighted by the Wind Chill Warning that will start this Saturday evening and continue through Monday. These will be the coldest wind chills of this prolonged cold pattern thus far. IAZ004-005-015-023-024-033>036-044>048-057>061-070>075-081>086- 092>097-140200- /O.EXP.KDMX.WC.Y.0006.000000T0000Z-210213T1800Z/ /O.CON.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Sac-Calhoun-Webster- Hamilton-Crawford-Carroll-Greene-Boone-Story-Audubon-Guthrie- Dallas-Polk-Jasper-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams- Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- Including the cities of Estherville, Algona, Emmetsburg, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Denison, Carroll, Jefferson, Boone, Ames, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 1147 AM CST Sat Feb 13 2021 ...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Dangerously cold wind chills expected. Wind chills as low as 40 below zero. * WHERE...Much of northern and central Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. && $$ Krull IAZ006-007-016-017-025>028-037>039-049-050-062-140200- /O.EXP.KDMX.WC.Y.0005.000000T0000Z-210213T1800Z/ /O.CON.KDMX.WC.W.0002.210214T0300Z-210215T1800Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Butler-Bremer- Hardin-Grundy-Black Hawk-Marshall-Tama-Poweshiek- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, and Grinnell 1147 AM CST Sat Feb 13 2021 ...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Dangerously cold wind chills expected. Wind chills as low as 40 below zero. * WHERE...Much of central and eastern Iowa. * WHEN...For the Wind Chill Warning, from 9 PM this evening to noon CST Monday. For the Wind Chill Advisory, until noon CST today. * 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. && $$ Krull For more information from the National Weather Service visit https://weather.gov/desmoines
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 2:59 PM CST | Wind Chill Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 26 more | 13 hr |
Nearby
Wind Chill Advisories in Iowa, 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.