Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 6, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Apr 16, 2012, 3:56 AM CDT for 4 counties in Wisconsin; 8 counties in Iowa; 5 counties in Minnesota. It took effect at Apr 16, 2012, 7:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2012, 3:56 AM CDT (08:56 UTC)
- In effect from
- Apr 16, 2012, 7:00 AM CDT
- Expired
- Apr 16, 2012, 1:08 PM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Crawford County, WI, Grant County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 72 km from the middle of the area, began a volume at 08:57 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, 8.9 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
- 1519 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 102 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 10.7
The text
As transmitted, in the capitals the NWS used until 2016.
347 WWUS73 KARX 160856 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 356 AM CDT MON APR 16 2012 ...GUSTY WINDS EXPECTED THROUGH THIS AFTERNOON... .GUSTY NORTHWEST WINDS WILL DEVELOP ACROSS THE AREA THIS MORNING...AND WILL PERSIST INTO THE AFTERNOON HOURS. SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED... AS A STRONG STORM SYSTEM MOVES ACROSS THE REGION. IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061- 161700- /O.NEW.KARX.WI.Y.0006.120416T1200Z-120416T2100Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-DODGE-OLMSTED-MOWER-FILLMORE-HOUSTON-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...AUSTIN...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 356 AM CDT MON APR 16 2012 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM CDT THIS AFTERNOON. * TIMING...THIS MORNING THROUGH THIS AFTERNOON. * WINDS...NORTHWEST WINDS OF 20 TO 35 MPH...WITH GUSTS AS HIGH AS 45 MPH. * IMPACTS...STRONG WINDS WILL LIKELY BLOW AROUND LIGHT WEIGHT AND LOOSE ITEMS. IT MAY BE DIFFICULT TO CONTROL HIGH PROFILE VEHICLES. THE HIGHEST WINDS SPEEDS WILL BE SEEN IN OPEN AREAS AND OVER HIGHER TERRAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER... OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MW WEATHER.GOV/LACROSSE
3 follow-up statements
917 WWUS73 KARX 161327 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 827 AM CDT MON APR 16 2012 ...ANOTHER DAY OF STRONG WINDS... .STRONG NORTHWEST WINDS WILL MAKE FOR A RAW DAY AS COLDER AIR BEGINS TO MOVE INTO THE AREA. EXPECT WIND GUSTS OF 35 TO 45 MPH... ESPECIALLY THIS MORNING...AS A STRONG STORM SYSTEM BEGINS TO EXIT THE REGION. THE WINDS SHOULD GRADUALLY DIMINISH LATE THIS AFTERNOON AND BE MUCH LIGHTER TONIGHT. IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061- 162100- /O.CON.KARX.WI.Y.0006.000000T0000Z-120416T2100Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-DODGE-OLMSTED-MOWER-FILLMORE-HOUSTON-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...AUSTIN...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 827 AM CDT MON APR 16 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * THE STRONGEST WINDS WILL OCCUR THROUGH MID TO LATE AFTERNOON. * STEADY AND STRONG NORTHWEST WINDS WILL GUST BETWEEN 35 AND 45 MPH. * THESE WINDS WILL BLOW AROUND LIGHT WEIGHT AND LOOSE ITEMS. IT MAY BE DIFFICULT TO CONTROL HIGH PROFILE VEHICLES. THE HIGHEST WINDS SPEEDS WILL BE SEEN IN OPEN AREAS AND OVER HIGHER TERRAIN. SPORADIC POWER OUTAGES MIGHT ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... USE EXTRA CAUTION TODAY. BE CAREFUL DRIVING HIGH PROFILE VEHICLES. && $$ WEATHER.GOV/LACROSSE SHEA
332 WWUS73 KARX 161634 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1134 AM CDT MON APR 16 2012 ...STRONG WEST TO NORTHWEST WINDS CONTINUE OVER THE AREA... .AS OF 1130 AM...WEST TO NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 45 MPH CONTINUED ACROSS MUCH OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND FAR SOUTHWEST WISCONSIN. THESE STRONG NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE 30S OR FALLING INTO THE 30S WILL MAKE FOR A RAW DAY ACROSS THE AREA. AS THE STRONG STORM SYSTEM RESPONSIBLE FOR THE WINDS CONTINUES TO EXIT THE REGION THE WINDS WILL GRADUALLY DIMINISH THROUGH THE AFTERNOON HOURS...THEN BECOME MUCH LIGHTER TONIGHT AS HIGH PRESSURE BUILDS IN. IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061- 162100- /O.CON.KARX.WI.Y.0006.000000T0000Z-120416T2100Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-DODGE-OLMSTED-MOWER-FILLMORE-HOUSTON-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...AUSTIN...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 1134 AM CDT MON APR 16 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * THE STRONGEST WINDS WILL OCCUR THROUGH MID AFTERNOON. * WEST TO NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 AND 45 MPH WILL CONTINUE THROUGH MID AFTERNOON. * THESE WINDS WILL BLOW AROUND LIGHT WEIGHT AND LOOSE ITEMS. IT MAY BE DIFFICULT TO CONTROL HIGH PROFILE VEHICLES. THE HIGHEST WINDS SPEEDS WILL BE SEEN IN OPEN AREAS AND OVER HIGHER TERRAIN. SPORADIC POWER OUTAGES MIGHT ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... USE EXTRA CAUTION TODAY. BE CAREFUL DRIVING HIGH PROFILE VEHICLES. && $$ RRS WEATHER.GOV/LACROSSE
276 WWUS73 KARX 161808 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 108 PM CDT MON APR 16 2012 ...WINDS DIMINISHING EARLY THIS AFTERNOON... .AS OF 1 PM...WINDS ACROSS THE AREA WERE MOSTLY 20 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH. THERE WERE STILL A FEW WINDS OF 30 MPH AND GUSTS TO AROUND 40 MPH...BUT THESE HAD BECOME LESS FREQUENT SINCE NOON. WITH THE PRESSURE GRADIENT OVER THE AREA CONTINUING TO RELAX THROUGH THE AFTERNOON AND THE WINDS DIMINISHING BELOW ADVISORY LEVELS...THE WIND ADVISORY FOR THE AREA HAS BEEN CANCELLED. IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061- 161915- /O.CAN.KARX.WI.Y.0006.000000T0000Z-120416T2100Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-DODGE-OLMSTED-MOWER-FILLMORE-HOUSTON-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...AUSTIN...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 108 PM CDT MON APR 16 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE WIND ADVISORY. AS OF 1 PM MOST WINDS WERE 20 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH. THE WINDS WILL CONTINUE TO DIMINISH THROUGH THE AFTERNOON THEREFORE THE WIND ADVISORY HAS BEEN CANCELLED. $$ RRS WEATHER.GOV/LACROSSE
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 3:29 PM CDT | Freeze Warning | ARX | Adams, Clark, Jackson, Juneau, Monroe, Taylor | 17 hr |
Nearby
Wind Advisories in Iowa, 2012Wind Advisories in Minnesota, 2012Wind Advisories in Wisconsin, 2012Every wind advisory in 2012
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.