Alert archive / Iowa / Wind Advisories in 2022
Wind Advisory 9, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Oct 12, 2022, 12:46 PM CDT for 7 counties in Iowa. It took effect at Oct 12, 2022, 1:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 12, 2022, 12:46 PM CDT (17:46 UTC)
- In effect from
- Oct 12, 2022, 1:00 PM CDT
- Expired
- Oct 12, 2022, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
Counties Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA
The radar
The La Crosse radar (KARX), 112 km from the middle of the area, began a volume at 17:47 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
Davenport, (KDVN), launched 12:00Z, 5.8 hours before the alert went out and 216 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
- 11 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
394 WWUS73 KARX 121746 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 1246 PM CDT Wed Oct 12 2022 IAZ008>010-018-019-029-030-130000- /O.NEW.KARX.WI.Y.0009.221012T1800Z-221013T0000Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, and Elkader 1246 PM CDT Wed Oct 12 2022 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...West winds will increase this afternoon. Sustained winds of 20 to 30 mph...with gusts up to 45 mph are expected. * WHERE...Mitchell, Howard, Winneshiek, Floyd, Chickasaw, Fayette and Clayton Counties. * WHEN...Until 7 PM CDT 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. && $$ db
1 follow-up statement
487 WWUS73 KARX 130016 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 716 PM CDT Wed Oct 12 2022 IAZ008>010-018-019-029-030-130130- /O.EXP.KARX.WI.Y.0009.000000T0000Z-221013T0000Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, and Elkader 716 PM CDT Wed Oct 12 2022 ...WIND ADVISORY HAS EXPIRED... Winds have decreased below advisory criteria across the advised area, therefore the wind advisory has been allowed to expire. $$
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.