Alert archive / Iowa / High Wind Warnings in 2021
High Wind Warning 1, NWS Des Moines, IA
NWS Des Moines, IA issued this high wind warning at Mar 10, 2021, 2:15 PM CST for 10 counties in Iowa. It was in force for 4 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
- Mar 10, 2021, 2:15 PM CST (20:15 UTC)
- Expired
- Mar 10, 2021, 5:58 PM CST
- In force
- 4 hr
- Issued by
- NWS Des Moines, IA
Counties Adair County, IA, Adams County, IA, Audubon County, IA, Carroll County, IA, Cass County, IA, Crawford County, IA, Guthrie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA
The radar
The Des Moines radar (KDMX), 90 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Mar 10, 3:15 PM CST | NON-TSTM WND GST 58 | 3 Sw Glidden, IA | AWOS STATION KCIN CARROLL AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.3 hours before the alert went out and 140 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
- 178 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted.
273 WWUS73 KDMX 102015 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 215 PM CST Wed Mar 10 2021 IAZ044-045-057-058-070-071-081-082-092-093-110200- /O.UPG.KDMX.WI.Y.0002.000000T0000Z-210311T0200Z/ /O.NEW.KDMX.HW.W.0001.210310T2015Z-210311T0200Z/ Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-Taylor- Ringgold- Including the cities of Denison, Carroll, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, New Market, and Mount Ayr 215 PM CST Wed Mar 10 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...west central to southwest Iowa. * WHEN...Until 8 PM CST this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages may occur. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IAZ004>007-015>017-023>028-110415- /O.EXT.KDMX.WI.Y.0002.210310T2015Z-210311T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, and Waverly 215 PM CST Wed Mar 10 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Northern Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IAZ033>039-046>050-059>062-072>075-083>086-094>097-110200- /O.CON.KDMX.WI.Y.0002.000000T0000Z-210311T0200Z/ Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Greene- Boone-Story-Marshall-Tama-Dallas-Polk-Jasper-Poweshiek-Madison- Warren-Marion-Mahaska-Clarke-Lucas-Monroe-Wapello-Decatur-Wayne- Appanoose-Davis- Including the cities of Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, Boone, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Osceola, Chariton, Albia, Ottumwa, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 215 PM CST Wed Mar 10 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. Highest winds mainly west of I-35. * WHERE...Southern and Central Iowa. * WHEN...From 9 AM this morning to 8 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Krull/Podrazik For more information from the National Weather Service visit https://weather.gov/desmoines
1 follow-up statement
229 WWUS73 KDMX 102358 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 558 PM CST Wed Mar 10 2021 IAZ044-045-057-058-070-071-081-082-092-093-110100- /O.CAN.KDMX.HW.W.0001.000000T0000Z-210311T0200Z/ Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-Taylor- Ringgold- Including the cities of Denison, Carroll, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, New Market, and Mount Ayr 558 PM CST Wed Mar 10 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have eased below high wind warning criteria this evening. Winds will continue to be gusty at times out of the west with gusts to around 30 to 35 mph for a few more hours before easing further overnight. $$ IAZ033>039-046>050-059>062-072>075-083>086-094>097-110200- /O.CON.KDMX.WI.Y.0002.000000T0000Z-210311T0200Z/ Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Greene- Boone-Story-Marshall-Tama-Dallas-Polk-Jasper-Poweshiek-Madison- Warren-Marion-Mahaska-Clarke-Lucas-Monroe-Wapello-Decatur-Wayne- Appanoose-Davis- Including the cities of Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, Boone, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Osceola, Chariton, Albia, Ottumwa, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 558 PM CST Wed Mar 10 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. Highest winds mainly west of I-35. * WHERE...Southern and Central Iowa. * WHEN...From 9 AM this morning to 8 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IAZ004>007-015>017-023>028-110600- /O.CON.KDMX.WI.Y.0002.000000T0000Z-210311T0600Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, and Waverly 558 PM CST Wed Mar 10 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Northern Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines CURTIS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 3:55 AM CST | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 20 hr |
| Mar 10, 4:02 AM CST | Red Flag Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie, Taylor | 14 hr |
| Mar 10, 5:18 PM CST | Severe Thunderstorm Warning | DMX | Clarke, Union | 24 min |
| Mar 10, 5:34 PM CST | Severe Thunderstorm Warning | DMX | Grundy, Marshall | 24 min |
| Mar 10, 5:36 PM CST | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas | 39 min |
Nearby
High Wind Warnings in Iowa, 2021Every high wind 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.