Alert archive / Iowa / Wind Advisories in 2015
Wind Advisory 4, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Apr 22, 2015, 11:43 AM CDT for 4 counties in Iowa. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2015, 11:43 AM CDT (16:43 UTC)
- Expired
- Apr 22, 2015, 7:00 PM CDT
- In force
- 7 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 16:43 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, 4.7 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
- 1134 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
563 WWUS73 KARX 221643 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1143 AM CDT WED APR 22 2015 ...ANOTHER VERY WINDY DAY ACROSS NORTHEAST IOWA... .NORTHWEST WINDS OF 20 TO 30 MPH WITH OCCASIONAL WIND GUSTS OF 35 TO 45 MPH CAN BE EXPECTED AGAIN TODAY ACROSS THE FLAT TERRAIN OF NORTH CENTRAL AND NORTHEAST IOWA. HIGH PROFILE VEHICLES MAY BE DIFFICULT TO DRIVE WHEN TRAVELING THROUGH THE CORN BELT THIS AFTERNOON. IAZ008-018-019-029-230000- /O.NEW.KARX.WI.Y.0004.150422T1643Z-150423T0000Z/ MITCHELL-FLOYD-CHICKASAW-FAYETTE- INCLUDING THE CITIES OF...CHARLES CITY...OELWEIN 1143 AM CDT WED APR 22 2015 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...THIS AFTERNOON. * WINDS...NORTHWEST AT 20 TO 30 MPH...WITH GUSTS CLOSER TO 40 MPH AT TIMES. * IMPACTS...TRAVEL COULD BE MORE DIFFICULT FOR THOSE DRIVING HIGH PROFILE VEHICLES OR TRAILERS. USE CAUTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR STRONG WINDS AGAIN TODAY. && $$ SHEA
2 follow-up statements
580 WWUS73 KARX 222033 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 333 PM CDT WED APR 22 2015 ...BLUSTERY CLOSE TO THE DAY... .WINDS HAVE BEEN RUNNING 20 TO 30 MPH THIS AFTERNOON...WITH OCCASIONAL GUSTS OF 35 TO 45 MPH. AT 3PM CHARLES CITY IOWA WAS GUSTING TO 40 MPH. HIGH PROFILE VEHICLES MAY BE DIFFICULT TO DRIVE WHEN TRAVELING THROUGH THE REGION THROUGH THE REMAINDER OF THE AFTERNOON. THE WINDS ARE EXPECTED TO DIMINISH SOMEWHAT THIS EVENING AS SKIES CLEAR OUT. IAZ008-018-019-029-230000- /O.CON.KARX.WI.Y.0004.000000T0000Z-150423T0000Z/ MITCHELL-FLOYD-CHICKASAW-FAYETTE- INCLUDING THE CITIES OF...CHARLES CITY...OELWEIN 333 PM CDT WED APR 22 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...THROUGH 7PM. * WINDS...NORTHWEST AT 20 TO 30 MPH...WITH GUSTS CLOSER TO 40 MPH AT TIMES. * IMPACTS...TRAVEL COULD BE MORE DIFFICULT FOR THOSE DRIVING HIGH PROFILE VEHICLES OR TRAILERS. USE CAUTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR STRONG WINDS WHICH WILL MAKE TRAVEL IN LARGER VEHICLES TROUBLESOME. && $$ SHEA
232 WWUS73 KARX 230005 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 705 PM CDT WED APR 22 2015 ...STRONG WINDS WILL SLACKEN QUICKLY THIS EVENING... .WITH THE LOSS OF DAY TIME HEATING...THE STRONG WINDS WILL CONTINUE TO SLACKEN OFF QUICKLY EARLY THIS EVENING. BY 8 PM... THE NORTHWEST WINDS WILL FALL INTO THE 10 TO 15 MPH RANGE. DUE TO THIS...ALLOWED THE WIND ADVISORY TO EXPIRE. IAZ008-018-019-029-230115- /O.EXP.KARX.WI.Y.0004.000000T0000Z-150423T0000Z/ MITCHELL-FLOYD-CHICKASAW-FAYETTE- INCLUDING THE CITIES OF...CHARLES CITY...OELWEIN 705 PM CDT WED APR 22 2015 ...WIND ADVISORY HAS EXPIRED... WITH THE LOSS OF DAY TIME HEATING...THE STRONG WINDS WILL CONTINUE TO SLACKEN OFF QUICKLY EARLY THIS EVENING. BY 8 PM... THE NORTHWEST WINDS WILL FALL INTO THE 10 TO 15 MPH RANGE. $$ BOYNE
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.