Alert archive / Iowa / Wind Advisories in 2021
Wind Advisory 6, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Oct 13, 2021, 3:00 AM CDT for 11 counties in Iowa. It took effect at Oct 13, 2021, 8:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 13, 2021, 3:00 AM CDT (08:00 UTC)
- In effect from
- Oct 13, 2021, 8:00 AM CDT
- Expired
- Oct 13, 2021, 1:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Des Moines, IA
Counties Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 148 km from the middle of the area, began a volume at 08:04 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
Minneapolis, MN (KMPX), launched 00:00Z, 8.0 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
- 780 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
536 WWUS73 KDMX 130800 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 300 AM CDT Wed Oct 13 2021 IAZ004>007-015>017-023>026-131600- /O.NEW.KDMX.WI.Y.0006.211013T1300Z-211013T1800Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin- 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, and Hampton 300 AM CDT Wed Oct 13 2021 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 1 PM CDT THIS AFTERNOON... * WHAT...Southeast winds 20 to 30 mph with a few gusts over 45 mph. * WHERE...North central Iowa. * WHEN...From 8 AM this morning to 1 PM CDT this afternoon. * 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. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
2 follow-up statements
920 WWUS73 KDMX 131507 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1007 AM CDT Wed Oct 13 2021 IAZ004>007-015>017-023>026-131800- /O.CON.KDMX.WI.Y.0006.000000T0000Z-211013T1800Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, and Hampton 1007 AM CDT Wed Oct 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Southeast winds 25 to 30 mph with gusts over 45 mph. * WHERE...Portions of North Central Iowa. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/desmoines
220 WWUS73 KDMX 131755 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1255 PM CDT Wed Oct 13 2021 IAZ004>007-015>017-023>026-131900- /O.EXP.KDMX.WI.Y.0006.000000T0000Z-211013T1800Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin- 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, and Hampton 1255 PM CDT Wed Oct 13 2021 ...WIND ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... Breezy conditions will persist this afternoon and a few gusts to near 45 mph remain possible, however the peak gusts occurred earlier today and will continue to gradually diminish this afternoon. $$ For more information from the National Weather Service visit https://weather.gov/desmoines
Nearby
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.