Alert archive / Iowa / Wind Advisories in 2021
Wind Advisory 4, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Nov 13, 2021, 5:42 PM CST for 4 counties in Iowa. It took effect at Nov 14, 2021, 3:00 AM CST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 13, 2021, 5:42 PM CST (23:42 UTC)
- In effect from
- Nov 14, 2021, 3:00 AM CST
- Expired
- Nov 14, 2021, 8:00 AM CST
- In force
- 5 hr
- Issued by
- NWS La Crosse, WI
Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 130 km from the middle of the area, began a volume at 23:40 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 12:00Z, 11.7 hours before the alert went out and 217 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
- 784 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
265 WWUS73 KARX 132342 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 542 PM CST Sat Nov 13 2021 IAZ008-018-019-029-140745- /O.NEW.KARX.WI.Y.0004.211114T0900Z-211114T1400Z/ Mitchell-Floyd-Chickasaw-Fayette- Including the cities of Osage, Charles City, New Hampton, and Oelwein 542 PM CST Sat Nov 13 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 8 AM CST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mitchell, Floyd, Chickasaw and Fayette Counties. * WHEN...From 3 AM to 8 AM CST Sunday. * 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. && $$ KDS
3 follow-up statements
444 WWUS73 KARX 140405 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 1005 PM CST Sat Nov 13 2021 IAZ008-018-019-029-141400- /O.CON.KARX.WI.Y.0004.211114T0900Z-211114T1400Z/ Mitchell-Floyd-Chickasaw-Fayette- Including the cities of Osage, Charles City, New Hampton, and Oelwein 1005 PM CST Sat Nov 13 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mitchell, Floyd, Chickasaw and Fayette Counties. * WHEN...Winds increase quickly after midnight with the strongest winds after 3am. These strong winds last until around sunrise before slowly decreasing. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ KDS
513 WWUS73 KARX 140948 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 348 AM CST Sun Nov 14 2021 IAZ008-018-019-029-141400- /O.CON.KARX.WI.Y.0004.000000T0000Z-211114T1400Z/ Mitchell-Floyd-Chickasaw-Fayette- Including the cities of Osage, Charles City, New Hampton, and Oelwein 348 AM CST Sun Nov 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mitchell, Floyd, Chickasaw and Fayette Counties. * WHEN...Until 8 AM CST this morning. * 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. && $$ Zapotocny
601 WWUS73 KARX 141348 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 748 AM CST Sun Nov 14 2021 IAZ008-018-019-029-141500- /O.EXP.KARX.WI.Y.0004.000000T0000Z-211114T1400Z/ Mitchell-Floyd-Chickasaw-Fayette- Including the cities of Osage, Charles City, New Hampton, and Oelwein 748 AM CST Sun Nov 14 2021 ...WIND ADVISORY WILL EXPIRE AT 8 AM CST THIS MORNING... Strong wind gusts have diminished, therefore the wind advisory will be allowed to expire. $$
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.