Alert archive / Wisconsin / Freeze Warnings in 2012
Freeze Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this freeze warning at Apr 11, 2012, 2:30 PM CDT for 8 counties in Iowa; 13 counties in Wisconsin; 7 counties in Minnesota. It took effect at Apr 12, 2012, 1:00 AM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 11, 2012, 2:30 PM CDT (19:30 UTC)
- In effect from
- Apr 12, 2012, 1:00 AM CDT
- Expired
- Apr 12, 2012, 8:59 AM CDT
- In force
- 8 hr
- Issued by
- NWS La Crosse, WI
All 28 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, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.5 hours before the alert went out and 210 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
- 1404 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
715 WWUS73 KARX 111930 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 230 PM CDT WED APR 11 2012 ...ANOTHER NIGHT OF FREEZING CONDITIONS... .HIGH PRESSURE AND LIGHT WINDS WILL HELP TEMPERATURES TUMBLE BELOW FREEZING AGAIN TONIGHT. SOME FROST IS ALSO LIKELY. PRECAUTIONS SHOULD BE TAKEN TO PROTECT COLD SENSITIVE VEGETATION. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-120330- /O.NEW.KARX.FZ.W.0007.120412T0600Z-120412T1500Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 230 PM CDT WED APR 11 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 10 AM CDT THURSDAY. * TEMPERATURES WILL BOTTOM OUT IN THE MID 20S TO NEAR 30 TONIGHT. * DAMAGE COULD OCCUR TO UNPROTECTED FRUIT TREES AND OTHER COLD SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ RIECK WEATHER.GOV/LACROSSE
3 follow-up statements
985 WWUS73 KARX 120159 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 859 PM CDT WED APR 11 2012 ...FREEZING CONDITIONS AGAIN TONIGHT... .HIGH PRESSURE AND LIGHT WINDS WILL HELP TEMPERATURES TUMBLE BELOW FREEZING AGAIN TONIGHT. SOME FROST IS ALSO LIKELY. PRECAUTIONS SHOULD BE TAKEN TO PROTECT COLD SENSITIVE VEGETATION. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-121000- /O.CON.KARX.FZ.W.0007.120412T0600Z-120412T1500Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 859 PM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM CDT THURSDAY... * TEMPERATURES WILL BOTTOM OUT IN THE MID 20S TO NEAR 30 TONIGHT. * DAMAGE COULD OCCUR TO UNPROTECTED FRUIT TREES AND OTHER COLD SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ RABERDING WEATHER.GOV/LACROSSE
758 WWUS73 KARX 120839 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 339 AM CDT THU APR 12 2012 ...ONE MORE MORNING WITH FREEZING TEMPERATURES... .TEMPERATURES WILL BE BELOW FREEZING FOR PORTIONS OF THE AREA AGAIN THIS MORNING. LOOK FOR READINGS TO CLIMB ABOVE FREEZING BY MID MORNING. ADDITIONAL FREEZE WARNINGS WILL NOT BE NEEDED FOR A FEW NIGHTS AS AN INCOMING STORM SYSTEM WILL KEEP OVERNIGHT TEMPERATURES IN THE 40S AND 50S THROUGH SUNDAY NIGHT. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-121500- /O.CON.KARX.FZ.W.0007.000000T0000Z-120412T1500Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 339 AM CDT THU APR 12 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * TEMPERATURES WILL CLIMB ABOVE FREEZING BY MID MORNING AFTER HITTING OVERNIGHT LOWS IN THE MIDDLE 20S TO AROUND 30. * DAMAGE COULD OCCUR TO UNPROTECTED FRUIT TREES AND OTHER COLD SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ 04 WEATHER.GOV/LACROSSE
950 WWUS73 KARX 121359 NPWARX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 859 AM CDT THU APR 12 2012 ...TEMPERATURES HAVE WARMED ABOVE FREEZING... .WITH PLENTY OF SUNSHINE THIS MORNING...TEMPERATURES HAVE QUICKLY WARMED ABOVE FREEZING. THEREFORE...THE FREEZE WARNING HAS BEEN CANCELLED. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-121500- /O.CAN.KARX.FZ.W.0007.000000T0000Z-120412T1500Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 859 AM CDT THU APR 12 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE FREEZE WARNING. TEMPERATURES HAVE CLIMBED WELL ABOVE FREEZING THIS MORNING... ALLOWING THE FREEZE WARNING TO BE CANCELLED. $$ AJ WEATHER.GOV/LACROSSE
Nearby
Freeze Warnings in Wisconsin, 2012Freeze Warnings in Iowa, 2012Freeze Warnings in Minnesota, 2012Every freeze warning 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.