Alert archive / Iowa / High Wind Warnings in 2018
High Wind Warning 1, NWS Des Moines, IA
NWS Des Moines, IA issued this high wind warning at Jun 2, 2018, 9:01 AM CDT for 13 counties in Iowa. It was in force for 89 min. 2 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
- Jun 2, 2018, 9:01 AM CDT (14:01 UTC)
- Expired
- Jun 2, 2018, 10:30 AM CDT
- In force
- 89 min
- Issued by
- NWS Des Moines, IA
Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Franklin County, IA, Grundy County, IA, Hancock County, IA, Hardin County, IA, Marshall County, IA, Tama County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 122 km from the middle of the area, began a volume at 14:01 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 |
|---|---|---|---|
| Jun 2, 9:30 AM CDT | TSTM WND DMG | Aplington, IA | 2 FOOT DIAMETER TREE DOWN, VIA SOCIAL MEDIA. |
| Jun 2, 9:35 AM CDT | TSTM WND DMG | Parkersburg, IA | VIA KWWL TV. 6-8 INCH DIAMETER TREES DOWN. OTHER THINGS BLOWING DOWN THE STREET. |
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 12:00Z, 2.0 hours before the alert went out and 241 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
- 77 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
519 WWUS73 KDMX 021401 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 901 AM CDT Sat Jun 2 2018 ...Significant Wind Gusts in North Central Iowa This Morning... .A strong wake low has produced significant easterly wind gusts in excess of 50 to 60 mph over parts of north central Iowa this morning. The threat for damaging gusts will continue through the morning hours as the low pushes off to the east. IAZ006-007-016-017-025>028-037>039-049-050-021700- /O.NEW.KDMX.HW.W.0001.180602T1401Z-180602T1700Z/ 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 901 AM CDT Sat Jun 2 2018 ...HIGH WIND WARNING IN EFFECT UNTIL NOON CDT TODAY... The National Weather Service in Des Moines has issued a High Wind Warning, which is in effect until noon CDT today. * TIMING...Through the remainder of the morning. * WINDS...East winds sustained at 30 to 40 mph with gusts in excess of 60 mph possible at times. * IMPACTS...Damage to property including trees and roofs. Significant cross winds may create dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Martin
2 follow-up statements
967 WWUS73 KDMX 021446 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 946 AM CDT Sat Jun 2 2018 ...Significant Wind Gusts in North Central Iowa This Morning... .A strong wake low has produced significant easterly wind gusts in excess of 50 to 60 mph over parts of north central Iowa this morning. The threat for damaging gusts will continue through the morning hours as the low pushes off to the east. Confirmed reports over damage to trees or power lines have extended as far east as Grundy County as 930 AM. IAZ006-007-016-017-025-026-037-049-021600- /O.CAN.KDMX.HW.W.0001.000000T0000Z-180602T1700Z/ Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin-Hardin- Marshall- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake, Eagle Grove, Clarion, Belmond, Hampton, Iowa Falls, Eldora, Ackley, and Marshalltown 946 AM CDT Sat Jun 2 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Des Moines has cancelled the High Wind Warning. The strongest wind gusts have pushed off the east and no longer pose a threat to the area. $$ IAZ027-028-038-039-050-021700- /O.CON.KDMX.HW.W.0001.000000T0000Z-180602T1700Z/ Butler-Bremer-Grundy-Black Hawk-Tama- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Tama, Toledo, Traer, Dysart, and Gladbrook 946 AM CDT Sat Jun 2 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON CDT TODAY... * TIMING...Through the remainder of the morning. * WINDS...East winds sustained at 30 to 40 mph with gusts in excess of 60 mph possible at times. * IMPACTS...Damage to property including trees and roofs. Significant cross winds may create dangerous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Martin
321 WWUS73 KDMX 021530 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1030 AM CDT Sat Jun 2 2018 ...High Wind Warning Cancelled... The damaging wind gusts across portions of north central Iowa have diminished over the last hour and no longer pose a threat to safety or property. IAZ027-028-038-039-050-021630- /O.CAN.KDMX.HW.W.0001.000000T0000Z-180602T1700Z/ Butler-Bremer-Grundy-Black Hawk-Tama- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Tama, Toledo, Traer, Dysart, and Gladbrook 1030 AM CDT Sat Jun 2 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Des Moines has cancelled the High Wind Warning. $$ Martin
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 1:48 AM CDT | Special Weather Statement | DMX | Audubon, Cass | 57 min |
| Jun 2, 1:54 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 51 min |
| Jun 2, 2:24 AM CDT | Special Weather Statement | DMX | Adams, Ringgold, Taylor, Union | 66 min |
| Jun 2, 2:54 AM CDT | Special Weather Statement | DMX | Adair | 66 min |
| Jun 2, 3:38 AM CDT | Special Weather Statement | DMX | Clarke, Decatur, Madison, Ringgold, Union, Warren | 52 min |
| Jun 2, 4:34 AM CDT | Special Weather Statement | DMX | Appanoose, Clarke, Decatur, Lucas, Monroe, Wayne | 86 min |
| Jun 2, 5:28 PM CDT | Special Weather Statement | DMX | Bremer | 32 min |
Nearby
High Wind Warnings in Iowa, 2018Every high wind warning in 2018
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.