Alert archive / Iowa / Wind Advisories in 2023
Wind Advisory 2, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Apr 15, 2023, 2:46 PM CDT for 4 counties in Iowa. It took effect at Apr 16, 2023, 1:00 PM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2023, 2:46 PM CDT (19:46 UTC)
- In effect from
- Apr 16, 2023, 1:00 PM CDT
- Expired
- Apr 17, 2023, 7:00 AM CDT
- In force
- 18 hr
- Issued by
- NWS La Crosse, WI
Counties Chickasaw County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 129 km from the middle of the area, began a volume at 19:46 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, 7.8 hours before the alert went out and 201 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
- 577 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
114 WWUS73 KARX 151946 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 246 PM CDT Sat Apr 15 2023 IAZ008-009-018-019-160400- /O.NEW.KARX.WI.Y.0002.230416T1600Z-230418T0000Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 246 PM CDT Sat Apr 15 2023 ...WIND ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 7 PM CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Mitchell, Howard, Floyd and Chickasaw Counties. * WHEN...From 11 AM Sunday to 7 PM CDT Monday. * 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. && $$ Zapotocny
5 follow-up statements
197 WWUS73 KARX 160128 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 828 PM CDT Sat Apr 15 2023 IAZ008-009-018-019-161000- /O.CON.KARX.WI.Y.0002.230416T1600Z-230418T0000Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 828 PM CDT Sat Apr 15 2023 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 7 PM CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Mitchell, Howard, Floyd and Chickasaw Counties. * WHEN...From 11 AM Sunday to 7 PM CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
855 WWUS73 KARX 160839 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 339 AM CDT Sun Apr 16 2023 IAZ008-009-018-019-170045- /O.EXT.KARX.WI.Y.0002.230416T1800Z-230417T1200Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 339 AM CDT Sun Apr 16 2023 ...WIND ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM CDT MONDAY... * WHAT...Northwest winds 25 to 30 mph with gusts up to 45 mph expected. * WHERE...Mitchell, Howard, Floyd and Chickasaw Counties. * WHEN...From 1 PM this afternoon to 7 AM CDT Monday. * 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. && $$ SKOW
520 WWUS73 KARX 161936 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 236 PM CDT Sun Apr 16 2023 IAZ008-009-018-019-170345- /O.CON.KARX.WI.Y.0002.000000T0000Z-230417T1200Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 236 PM CDT Sun Apr 16 2023 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Mitchell, Howard, Floyd and Chickasaw Counties. * WHEN...Until 7 AM CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Zapotocny
917 WWUS73 KARX 170141 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 841 PM CDT Sun Apr 16 2023 IAZ008-009-018-019-171200- /O.CON.KARX.WI.Y.0002.000000T0000Z-230417T1200Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 841 PM CDT Sun Apr 16 2023 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph. * WHERE...Mitchell, Howard, Floyd and Chickasaw Counties. * WHEN...Until 7 AM CDT Monday. * 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. && $$
995 WWUS73 KARX 171134 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 634 AM CDT Mon Apr 17 2023 IAZ008-009-018-019-171245- /O.EXP.KARX.WI.Y.0002.000000T0000Z-230417T1200Z/ Mitchell-Howard-Floyd-Chickasaw- Including the cities of Osage, Cresco, Charles City, and New Hampton 634 AM CDT Mon Apr 17 2023 ...WIND ADVISORY WILL EXPIRE AT 7 AM CDT THIS MORNING... While northwest winds will continue to gust from 30 to 40 mph this morning, the threat for widespread impacts has diminished. The wind advisory will be allowed to expire. $$ Rieck
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:52 AM CDT | River Flood Warning | ARX | Allamakee, Clayton | 30 days |
| Apr 15, 2:55 PM CDT | Winter Weather Advisory | ARX | Allamakee, Clayton, Fayette, Winneshiek | 43 hr |
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.