Alert archive / Wisconsin / Wind Chill Advisories in 2008
Wind Chill Advisory 6, NWS La Crosse, WI
NWS La Crosse, WI issued this wind chill advisory at Feb 19, 2008, 3:49 AM CST for 7 counties in Minnesota; 13 counties in Wisconsin; 8 counties in Iowa. It took effect at Feb 20, 2008, 12:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 19, 2008, 3:49 AM CST (09:49 UTC)
- In effect from
- Feb 20, 2008, 12:00 AM CST
- Expired
- Feb 20, 2008, 12:00 PM CST
- In force
- 12 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 radar
The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 09:48 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, 9.8 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
- 967 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KARX 190949 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 349 AM CST TUE FEB 19 2008 ...ANOTHER NIGHT WITH DANGEROUS WIND CHILLS AND BLOWING SNOW... .AN ARCTIC COLD FRONT WILL MOVE SOUTHEAST THROUGH THE UPPER MISSISSIPPI RIVER LATE THIS AFTERNOON AND EVENING. TEMPERATURES WILL LIKELY FALL INTO THE 5 TO 15 BELOW ZERO RANGE OVERNIGHT AND WEDNESDAY MORNING. AT THE SAME TIME...THE AREA WILL SEE NORTHWEST WINDS IN THE 10 TO 20 MPH RANGE. THESE WINDS AND TEMPERATURES WILL COMBINE TO PRODUCE WIND CHILLS OF 30 TO 35 BELOW ZERO ACROSS SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND WESTERN WISCONSIN. WIND CHILL VALUES THIS LOW WILL FREEZE EXPOSED SKIN IN LESS THAN 10 MINUTES. THE NORTHWEST WINDS WILL ALSO PRODUCE BLOWING AND DRIFTING SNOW FROM TONIGHT THROUGH WEDNESDAY MORNING IN THE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ROADS IN THESE AREAS ARE ALREADY NOT IN THE GREATEST SHAPE...AND THIS DRIFTING SNOW WILL LIKELY DETERIORATE THE ROAD CONDITIONS IN THESE AREAS EVEN FURTHER. IAZ008>010-018-019-029-MNZ086-087-094-095-191800- /O.NEW.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 349 AM CST TUE FEB 19 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST WEDNESDAY. WIND CHILLS WILL FALL INTO THE 30 TO 35 BELOW ZERO RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES. IN ADDITION...NORTHWEST WINDS IN THE 10 TO 20 MPH RANGE WITH WIND GUSTS TO 30 MPH WILL CAUSE THE SNOW TO BLOW AND DRIFT. THIS WILL LIKELY DETERIORATE ROAD CONDITIONS FURTHER TONIGHT AND WEDNESDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 191800- /O.NEW.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 349 AM CST TUE FEB 19 2008 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY. WIND CHILLS WILL FALL INTO THE 30 TO 35 BELOW ZERO RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ BOYNE WEATHER.GOV/LACROSSE
8 follow-up statements
000 WWUS43 KARX 191630 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1030 AM CST TUE FEB 19 2008 ...ANOTHER NIGHT WITH DANGEROUS WIND CHILLS AND BLOWING SNOW... .AN ARCTIC COLD FRONT WILL MOVE SOUTHEAST THROUGH THE UPPER MISSISSIPPI RIVER LATE THIS AFTERNOON AND EVENING. TEMPERATURES WILL LIKELY FALL INTO THE 5 TO 15 BELOW ZERO RANGE OVERNIGHT AND WEDNESDAY MORNING. AT THE SAME TIME...WINDS WILL INCREASE FROM THE NORTHWEST WINDS INTO THE 10 TO 20 MPH RANGE. THESE WINDS AND TEMPERATURES WILL COMBINE TO PRODUCE WIND CHILLS OF 30 TO 35 BELOW ZERO ACROSS SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND WESTERN WISCONSIN. WIND CHILL VALUES THIS LOW WILL FREEZE EXPOSED SKIN IN LESS THAN 10 MINUTES. THE NORTHWEST WINDS WILL ALSO PRODUCE BLOWING AND DRIFTING SNOW FROM TONIGHT THROUGH WEDNESDAY MORNING IN THE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ROADS IN THESE AREAS ARE ALREADY NOT IN THE GREATEST SHAPE...AND THIS DRIFTING SNOW WILL LIKELY DETERIORATE THE ROAD CONDITIONS IN THESE AREAS EVEN FURTHER. IAZ008>010-018-019-029-MNZ086-087-094-095-200030- /O.CON.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 1030 AM CST TUE FEB 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST WEDNESDAY. WINDS WILL INCREASE FROM THE NORTHWEST AND INCREASE TO 10 TO 20 MPH WITH GUST UP TO 30 MPH. THIS WILL CREATE WIND CHILLS IN THE 30 TO 35 BELOW ZERO RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES. IN ADDITION...THE INCREASE IN WINDS AND ANY NEW FALLEN SNOW WILL CAUSE BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. THIS WILL LIKELY DETERIORATE ROAD CONDITIONS FURTHER TONIGHT AND WEDNESDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 200030- /O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 1030 AM CST TUE FEB 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY. WINDS WILL INCREASE FROM THE NORTHWEST AND INCREASE TO 10 TO 20 MPH. THIS WILL CREATE WIND CHILLS IN THE 30 TO 35 BELOW ZERO RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ DTJ WEATHER.GOV/LACROSSE
000 WWUS43 KARX 192120 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 320 PM CST TUE FEB 19 2008 ...DANGEROUS WIND CHILLS AND BLOWING SNOW TONIGHT... .AN ARCTIC COLD FRONT WILL SWEEP ACROSS THE REGION THIS EVENING...MOVING ACROSS THE EASTERN GREAT LAKES BY WEDNESDAY MORNING. SOME LIGHT SNOW WILL ACCOMPANY THE FRONT...BUT GENERALLY ONLY BRING AN INCH OR LESS OF ACCUMULATIONS. HOWEVER...WINDS WILL BE ON THE INCREASE WITH THE PASSAGE OF THE FRONT...LEADING TO BLOWING AND DRIFTING OF THE SNOW...MOSTLY IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND AREA RIDGE-TOPS. ROADS IN THESE LOCATIONS ARE NOT IN THE GREATEST SHAPE...AND THIS DRIFTING SNOW WILL LIKELY DETERIORATE THE ROAD CONDITIONS IN THESE AREAS EVEN FURTHER. MEANWHILE...ALONG WITH THE WINDS WILL COME ANOTHER SHOT OF COLD AIR...WITH TEMPERATURES BY WEDNESDAY MORNING IN THE 5 TO 15 BELOW ZERO RANGE. COUPLE THESE WITH THE WINDS AND WIND CHILLS OF 30 TO 35 BELOW CAN BE EXPECTED. WIND CHILL VALUES THIS LOW CAN LEAD TO FROST BITE IN LESS THAN 30 MINUTES. IAZ008>010-018-019-029-MNZ086-087-094-095-200530- /O.CON.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 320 PM CST TUE FEB 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY. WIND CHILLS OF 30 TO 35 BELOW ZERO CAN BE EXPECTED FROM LATE TONIGHT THROUGH WEDNESDAY MORNING. WIND CHILLS THIS COLD CAN RESULT IN FROST BITE IN UNDER 30 MINUTES. IN ADDITION...GUSTY NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW TONIGHT INTO WEDNESDAY MORNING...ESPECIALLY IN OPEN AREAS. THIS WILL LIKELY DETERIORATE POOR ROAD CONDITIONS EVEN FURTHER. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 200530- /O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 320 PM CST TUE FEB 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY. WIND CHILLS OF 30 TO 35 BELOW ZERO CAN BE EXPECTED FROM LATE TONIGHT THROUGH WEDNESDAY MORNING. WIND CHILLS THIS COLD CAN RESULT IN FROST BITE IN UNDER 30 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ RIECK WEATHER.GOV/LACROSSE
000 WWUS43 KARX 200042 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 642 PM CST TUE FEB 19 2008 ...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW TONIGHT... .AN ARCTIC COLD FRONT WAS MOVING ACROSS THE REGION THIS EVENING... BRINGING SOME LIGHT SNOW AND FLURRIES...ALONG WITH ANOTHER SURGE OF WIND AND COLDER AIR. SNOW ACCUMULATION WILL BE LIGHT...A TRACE TO AS MUCH AS A HALF INCH OR SO. BUT WITH THE INCREASING WINDS EXPECTED...SOME DRIFTING AND AREAS OF BLOWING SNOW ARE ANTICIPATED. CONDITIONS WILL BE WORST IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND AREA RIDGE TOPS. ROADS IN THESE LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS DRIFTING SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED FOR SLIPPERY CONDITIONS IF YOU PLAN TO DRIVE SOMEWHERE TONIGHT. MEANWHILE...ANOTHER SURGE OF ARCTIC AIR WILL ARRIVE TONIGHT...WITH TEMPERATURES BY WEDNESDAY MORNING IN THE 5 BELOW TO 15 BELOW ZERO RANGE. WHEN COMBINED WITH BRISK NORTHWEST WINDS OF 10 TO 20 MPH... WITH SOME GUSTS NEAR 25 MPH...WIND CHILL VALUES WILL PLUNGE TO 25 BELOW TO 35 BELOW ZERO. VALUES THIS LOW CAN LEAD TO FROSTBITE IN LESS THAN 30 MINUTES. BE SURE TO BUNDLE UP AGAINST THE COLD. IAZ008>010-018-019-029-MNZ086-087-094-095-200845- /O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 642 PM CST TUE FEB 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY. A LIGHT COATING OF NEW SNOW DURING THE LATE AFTERNOON AND EVENING HOURS COULD ADD UP TO A HALF-INCH OR SO. BRISK NORTHWEST WINDS WILL BE FOUND ACROSS THE AREA TONIGHT...GUSTING TO 20 OR 25 MPH AT TIMES. THESE WINDS WILL LEAD TO DRIFTING AND BLOWING OF THE SNOW... GENERATING SLIPPERY ROADS AND LOCAL REDUCTIONS IN VISIBILITY... ESPECIALLY IN OPEN AREAS. IN ADDITION TO THE SNOW PROBLEMS...VERY COLD AIR WAS AGAIN INVADING...AND THE COMBINATION OF COLD AIR AND BRISK WINDS WILL SEND WIND CHILL VALUES DOWN INTO THE TEENS AND 20S BELOW ZERO. LATE TONIGHT INTO TOMORROW MORNING...THE WIND CHILL COULD BE AS COLD AS 30 TO 35 BELOW ZERO. WIND CHILLS THIS COLD CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE EXTRA CARE WHILE DRIVING. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 200845- /O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 642 PM CST TUE FEB 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST WEDNESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON ON WEDNESDAY. VERY COLD AIR WAS AGAIN POISED TO MOVE INTO THE REGION OVERNIGHT... BEHIND AN ARCTIC COLD FRONT WHICH WAS CURRENTLY MOVING THROUGH THE REGION. BRISK NORTHWEST WINDS WILL OCCUR BEHIND THE FRONT...WITH GUSTS OF 20 TO 25 MPH POSSIBLE. THIS COMBINATION OF WIND AND COLD WILL SEND WIND CHILL VALUES DOWN INTO THE TEENS AND 20S BELOW ZERO OVERNIGHT. LATE TONIGHT INTO TOMORROW MORNING...THE WIND CHILL COULD BE AS COLD AS 25 TO 30 BELOW ZERO. WIND CHILLS THIS COLD CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND WEAR A HAT AND GLOVES. $$ MW WEATHER.GOV/LACROSSE
000 WWUS43 KARX 200347 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 947 PM CST TUE FEB 19 2008 ...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW TONIGHT... .COLD AIR WAS ONCE AGAIN SURGING INTO THE REGION BEHIND THE PASSAGE OF AN ARCTIC COLD FRONT. BRISK NORTHWEST WINDS IN THE WAKE OF THE FRONT WILL BRING THIS COLDER AIR INTO THE LOCAL AREA OVERNIGHT. WIND SPEEDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH AIR TEMPERATURES IN THE SINGLE DIGITS AND TEENS BELOW ZERO...SENDING WIND CHILL VALUES DOWN TO BETWEEN 25 BELOW AND 35 BELOW ZERO LATE TONIGHT INTO WEDNESDAY MORNING. VALUES THIS LOW CAN LEAD TO FROSTBITE IN LESS THAN 30 MINUTES. BE SURE TO BUNDLE UP AGAINST THE COLD. IN ADDITION TO THE EXTREME COLD...GUSTY WINDS MAY RESULT IN SOME AREAS OF BLOWING AND DRIFTING. CONDITIONS ARE EXPECTED TO BE WORST IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA...AND ALONG AREA RIDGE TOPS. ROADS IN THESE LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS DRIFTING SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED FOR SLIPPERY CONDITIONS IF YOU PLAN TO DRIVE SOMEWHERE TONIGHT. IAZ008>010-018-019-029-MNZ086-087-094-095-201200- /O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 947 PM CST TUE FEB 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY. BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO PRODUCE DANGEROUS WIND CHILL VALUES OVERNIGHT. THE LOWEST WIND CHILLS COULD BE FROM 30 TO 35 BELOW ZERO LATE TONIGHT INTO WEDNESDAY MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. IN ADDITION TO THE COLD...THE WIND MAY ALSO GENERATE AREAS OF DRIFTING AND BLOWING SNOW...WHICH COULD LEAD TO SLIPPERY ROADS AND LOCAL REDUCTIONS IN VISIBILITY...ESPECIALLY IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS. BE PREPARED FOR SLIPPERY ROADS...LIMITED VISIBILITY... AND THE EXTREME COLD. USE EXTRA CARE WHILE DRIVING...AND BE SURE TO BUNDLE UP. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 201200- /O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 947 PM CST TUE FEB 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY. BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO PRODUCE DANGEROUS WIND CHILL VALUES OVERNIGHT. THE LOWEST WIND CHILLS COULD BE FROM 25 TO 30 BELOW ZERO LATE TONIGHT INTO WEDNESDAY MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND WEAR A HAT AND GLOVES. $$ MW WEATHER.GOV/LACROSSE
000 WWUS43 KARX 200730 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 130 AM CST WED FEB 20 2008 ...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW THIS MORNING... .BRISK NORTHWEST WINDS IN THE WAKE OF AN ARCTIC FRONT WILL CONTINUE TO BRING VERY COLD AIR INTO THE LOCAL AREA THIS MORNING. WIND SPEEDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH AIR TEMPERATURES IN THE SINGLE DIGITS AND TEENS BELOW ZERO...SENDING WIND CHILL VALUES DOWN TO BETWEEN 25 BELOW AND 35 BELOW ZERO THROUGH THIS MORNING. VALUES THIS LOW CAN LEAD TO FROSTBITE IN LESS THAN 30 MINUTES. BE SURE TO BUNDLE UP TO PROTECT AGAINST THE COLD. IN ADDITION TO THE EXTREME COLD...GUSTY WINDS MAY RESULT IN SOME AREAS OF BLOWING AND DRIFTING SNOW. CONDITIONS ARE EXPECTED TO BE WORST IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA...AND ALONG AREA RIDGE TOPS. ROADS IN THESE LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS DRIFTING SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED FOR SLIPPERY CONDITIONS IF YOU PLAN TO TRAVEL EARLY THIS MORNING. IAZ008>010-018-019-029-MNZ086-087-094-095-201530- /O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 130 AM CST WED FEB 20 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO PRODUCE DANGEROUS WIND CHILL VALUES EARLY THIS MORNING. THE LOWEST WIND CHILLS COULD BE FROM 30 TO 35 BELOW ZERO THROUGH THIS MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. IN ADDITION TO THE COLD...THE WIND MAY ALSO GENERATE AREAS OF DRIFTING AND BLOWING SNOW...WHICH COULD LEAD TO SLIPPERY ROADS AND LOCAL REDUCTIONS IN VISIBILITY...ESPECIALLY IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS. BE PREPARED FOR SLIPPERY ROADS...LIMITED VISIBILITY... AND THE EXTREME COLD. USE EXTRA CARE WHILE DRIVING...AND BE SURE TO BUNDLE UP. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 201530- /O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 130 AM CST WED FEB 20 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO PRODUCE DANGEROUS WIND CHILL VALUES EARLY THIS MORNING. THE LOWEST WIND CHILLS COULD BE FROM 25 TO 30 BELOW ZERO THROUGH THIS MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE IN UNDER 30 MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND WEAR A HAT AND GLOVES. $$ WEATHER.GOV/LACROSSE THOMPSON
000 WWUS43 KARX 200951 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 351 AM CST WED FEB 20 2008 ...DANGEROUS WIND CHILLS EXPECTED THIS MORNING... .THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20 AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL VALUES THIS LOW CAN CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN TEN MINUTES. WITH SLIGHTLY WARMER TEMPERATURES AND LIGHTER WINDS THIS AFTERNOON... THE WIND CHILLS SHOULD IMPROVE INTO THE MINUS 10 TO MINUS 25 RANGE. WITH WIND SPEEDS ONLY IN THE 10 TO 15 MPH RANGE...THE THREAT FOR BLOWING SNOW SHOULD BE VERY MINIMAL ACROSS SOUTHEAST MINNESOTA AND NORTHEAST IOWA. AS A RESULT...WE HAVE CANCELLED THE WINTER WEATHER ADVISORY FOR THESE AREAS...AND REPLACED IT WITH A WIND CHILL ADVISORY. IAZ008>010-018-019-029-MNZ086-087-094-095-201800- /O.CAN.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/ /O.EXA.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 351 AM CST WED FEB 20 2008 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20 AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL VALUES THIS LOW CAN CAUSE FROST BITE IN LESS THAN TEN MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 201800- /O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD- RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD... NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH... MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 351 AM CST WED FEB 20 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20 AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL VALUES THIS LOW CAN CAUSE FROST BITE IN LESS THAN TEN MINUTES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND WEAR A HAT AND GLOVES. $$ BOYNE WEATHER.GOV/LACROSSE
000 WWUS43 KARX 201536 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 936 AM CST WED FEB 20 2008 ...DANGEROUS WIND CHILLS TO CONTINUE THE REMAINDER OF THE MORNING... .THE COMBINATION OF TEMPERATURES RANGING FROM 0 TO MINUS 10 AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS IN THE MINUS 15 TO MINUS 30 RANGE THROUGH THE REMAINDER OF THE MORNING. WITH SLIGHTLY WARMER TEMPERATURES AND LIGHTER WINDS THIS AFTERNOON... THE WIND CHILLS SHOULD IMPROVE. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-201800- /O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/ 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... OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON... VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 936 AM CST WED FEB 20 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. THE COMBINATION OF TEMPERATURES RANGING FROM 0 TO MINUS 5 AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS IN THE MINUS 15 TO MINUS 30 RANGE THIS MORNING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ RABERDING WEATHER.GOV/LACROSSE
000 WWUS43 KARX 201755 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1155 AM CST WED FEB 20 2008 ...CONDITIONS IMPROVING ACROSS THE AREA... .HIGH PRESSURE OVER THE EASTERN DAKOTAS WAS BUILDING SOUTHWARD INTO THE AREA. WITH TEMPERATURES ON THE SLOW RISE AND WINDS DIMINISHING...WIND CHILL READINGS ARE NO LONGER IN THE ADVISORY CRITERIA. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-201900- /O.EXP.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON... VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 1155 AM CST WED FEB 20 2008 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. CONDITIONS WILL CONTINUE TO IMPROVE THROUGH THE AFTERNOON AND THUS THE WIND CHILL ADVISORY IS BEING ALLOWED TO EXPIRE. SOME SUB ZERO WIND CHILLS ARE STILL LIKELY THIS AFTERNOON ALONG WITH THE COLD TEMPERATURES...BUT WILL NOT REACH ADVISORY CRITERIA. $$ RABERDING WEATHER.GOV/LACROSSE
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS La Crosse, WI wrote its last area forecast discussion before this wind chill advisory went out at Feb 18, 8:59 PM CST, 6 hours 50 minutes earlier.
Area forecast discussion, Feb 18, 8:59 PM CST, 6 hours 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LA CROSSE WI 859 PM CST MON FEB 18 2008 .UPDATE... MAIN UPDATE WAS TO MOVE CURRENT FLURRY/VERY LIGHT SNOW ACTION OUT OF THE FORECAST WITH VERY LITTLE HITTING THE GROUND NOW PER OBSERVATION NETWORK IN WRN WISCONSIN. CLEARED THINGS OUT IN THE GRIDS AFTER MIDNIGHT INTO MUCH OF TUES MORNING BEFORE NEXT WAVE WITH AMPLE LIFT BUT LESS MOISTURE MOVES ACROSS THE AREA. DESPITE MEAGER MOISTURE IN ARCTIC AIRMASS...ENOUGH FORCING AND A CONSISTENT ENOUGH QPF SIGNAL IN RECENT NAM-WRFS/GFS/SREFS RUNS TO WARRANT LOW-END LIKELY POPS IN NERN IOWA WHERE UP TO AN INCH OF SNOW MAY FALL. THIS MAY ALSO EXPAND INTO SERN MN DURING THE AFTERNOON/EARLY EVENING...SO FUTURE SHIFTS WILL NEED TO WATCH. A LITTLE BURST OF WIND WILL HAMPER THE ONGOING DRIFTING SNOW ISSUES...AND IF A LITTLE POWDER FALLS...COULD SEE SOME PRETTY GOOD BLOWING SNOW/DRIFTING AGAIN TOMORROW NIGHT. PER PREVIOUS SPECIAL WEATHER STATEMENT...ROAD CONDITIONS IN FORECAST AREA...ESPECIALLY WEST OF THE MS RIVER...STILL VERY POOR. WIND CHILLS TONIGHT BORDERLINE FOR AN ADVISORY...WILL LIKELY SEE WINDS PULL BACK THROUGH THE REST OF THE NIGHT AND BE OFFSET BY A PRETTY GOOD TEMPERATURE DROP. MID SHIFT CAN ISSUE FOR THE MORNING COMMUTE/SCHOOLS IF THINGS WORSEN BEYOND CURRENT EXPECTATIONS...WHICH IS WIDESPREAD 15 TO 20 BELOW AND FEW WIND PRONE SITES TO -25. BINAU && .PREV DISCUSSION... /ISSUED 230 PM CST MON FEB 18 2008/ SHORT TERM...THROUGH WEDNESDAY NIGHT MAIN CONCERN IS WITH THE SNOW CHANCES THROUGH THE PERIOD AS SEVERAL DISTURBANCES COME ACROSS THE AREA. SURFACE ANALYSIS THIS AFTERNOON A COUPLE WEAK TROUGHS OF LOW PRESSURE ROTATING ACROSS THE UPPER MIDWEST. LOCAL AND REGIONAL RADARS SHOW SNOW SHOWERS FALLING OVER A GOOD SHARE OF THE NORTHERN HALF OF WISCONSIN. SNOW SHOWERS TODAY ARE IN ASSOCIATION WITH A PRETTY DECENT SHORT WAVE TROUGH CURRENTLY COMING ACROSS EASTERN MINNESOTA. THIS WAVE WILL CONTINUE TO PIVOT SOUTHEAST AND WILL BE PAST THE AREA THIS EVENING. QG CONVERGENCE WITH THIS WAVE RAPIDLY DECREASES AFTER 00Z BUT UPPER LEVEL CYCLONIC FLOW AND COLD POOL ALOFT REMAINS OVER THE REGION. BUFKIT SOUNDINGS FOR THE CENTRAL PART OF THE STATE STAY AROUND 7 TO 8 C/KM THROUGH 06Z. INITIAL FEELING IS THAT THE SNOW SHOWERS WILL RAPIDLY DISSIPATE BEFORE 03Z BUT COULD SEE SOME HOLD ON THROUGH 06Z UNTIL THE LOW LEVEL INSTABILITY DISSIPATES. THE NEXT SHORT WAVE TROUGH DROPPING INTO THE MEAN LONG WAVE TROUGH WILL COME ACROSS THE UPPER MIDWEST TUESDAY AFTERNOON AND NIGHT. VERY SIMILAR CONDITIONS TO THE WAVE TODAY WITH MODERATE TO STRONG QG CONVERGENCE AND AROUND 3 MICROBARS/S OF UPGLIDE ON THE 275K ISENTROPIC SURFACE. HOWEVER...LOW LEVEL LAPSE RATES ARE NOT EXPECTED TO BE QUITE AS GOOD SO COVERAGE OF THE SNOW SHOWERS MAY BE AS MUCH AS TODAY. WILL MAINTAIN THE CHANCE POPS WITH THIS FEATURE FOR THE AFTERNOON AND EXPANDED THE POPS BACK FARTHER TO THE WEST TUESDAY EVENING. AFTER THAT...WILL REMAIN IN THE NORTH TO NORTHWEST FLOW THROUGH WEDNESDAY NIGHT BUT NO SHORT WAVE TROUGHS ARE EXPECTED TO IMPACT THE AREA WITH SURFACE HIGH PRESSURE BUILDING INTO THE REGION. LONG TERM...THURSDAY THROUGH MONDAY NOT A LOT OF AGREEMENT BETWEEN THE OPERATIONAL 18.06Z GFS AND THE 18.00Z ECMWF THROUGH THE PERIOD. BOTH MODELS AGREE THAT A NORTHERN STREAM SHORT WAVE TROUGH WILL BE DROPPING SOUTH THROUGH THE UPPER MIDWEST EARLY IN THE PERIOD. DIFFERENCE EXIST AS TO THE POSITION OF THE SURFACE LOW COMING UP INTO THE OHIO VALLEY. THE GFS IS FARTHER NORTH WITH THIS FEATURE THAN THE ECMWF AND THE 18.00Z GFS MEAN ENSEMBLE. WITH THE ECMWF AND GFS ENSEMBLES IN VERY GOOD AGREEMENT HAVE STAYED WITH THE DRY FORECAST FOR THURSDAY AND ALSO REMOVED THE POPS FOR FRIDAY AS THE LOW AND ASSOCIATED PRECIPITATION EXPECTED TO STAY SOUTH OF THE AREA. MORE DISAGREEMENTS TOWARD THE END OF THE PERIOD WITH THE NEXT SYSTEM COMING OUT OF THE SOUTHWEST. THE GFS IS CONSIDERABLY STRONGER THAN THE ECMWF AND THROWS A LOT MORE QPF ON THE AREA. THE ECMWF DOES SHOW A SYSTEM COMING OUT AS WELL SO WILL INCLUDE SOME CHANCE POPS IN THE END OF THE PERIOD. AVIATION... AN UPPER LEVEL DISTURBANCE WILL BE ROTATING SOUTHEAST ACROSS THE AREA THROUGH THIS EVENING PRODUCING SCATTERED TO NUMEROUS SNOW SHOWERS. IN ADDITION.. A TIGHT PRESSURE GRADIENT IN PLACE ACROSS THE AREA WILL PRODUCE GUSTY NORTHWEST WINDS GOING INTO THIS EVENING WITH AREAS OF BLOWING AND DRIFTING SNOW. THIS WILL BE ESPECIALLY TRUE ACROSS THE HIGHER TERRAIN AND OPEN AREAS OF SOUTHEAST MINNESOTA...INCLUDING THE KRST TAF SITE WHERE VSBY WILL BE REDUCED TO A MILE AT TIMES. OTHERWISE...CLOUD CEILING ARE EXPECTED TO REMAIN IN MVFR CATEGORY. ONCE THE UPPER LEVEL DISTURBANCE PASSES THROUGH THE AREA LATER THIS EVENING...THE SNOW SHOWERS WILL DIMINISH AS WILL THE WINDS AND AREAS OF BLOWING SNOW. A WEAK RIDGE OF HIGH PRESSURE WILL HELP TO SCATTER CLOUDS BY EARLY TUESDAY MORNING. LOOKING FURTHER...A CHANCE OF -SN WILL RETURN TO THE AREA TUESDAY AFTERNOON AS ANOTHER UPPER LEVEL DISTURBANCE ROTATES ACROSS THE AREA. && .ARX WATCHES/WARNINGS/ADVISORIES... WI...NONE. MN...NONE. IA...NONE. &&
Hazardous weather outlook, Feb 18, 9:03 PM CST, 6 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 903 PM CST MON FEB 18 2008 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034- 041>044-053>055-061-191200- ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE- FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE- MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON- WABASHA-WINNESHIEK-WINONA- 903 PM CST MON FEB 18 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MINNESOTA... NORTHEAST IOWA AND SOUTHWESTERN INTO CENTRAL WISCONSIN. .DAY ONE...TONIGHT WIND CHILLS WILL LIKELY RANGE FROM 15 TO 25 BELOW ACROSS THE AREA OVERNIGHT. WIND CHILLS IN THESE RANGES CAN CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 30 MINUTES. THERE WILL ALSO BE CONTINUED POOR TRAVEL CONDITIONS ON MAJOR ROADS FROM BLACK ICE AS A RESULT OF HEAVY GROUND DRIFTING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WIND CHILLS WILL LIKELY REMAIN IN THE 20 TO 25 BELOW ZERO RANGE TUESDAY MORNING...AND ALSO AGAIN ON TUESDAY NIGHT. WIND CHILLS IN THESE RANGES CAN CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 30 MINUTES. A LITTLE LIGHT SNOW WILL SPREAD ACROSS THE AREA ON TUESDAY...WITH THE POTENTIAL FOR A FLUFFY INCH OF SNOW ACROSS AREAS SOUTH OF INTERSTATE 90. BLOWING SNOW WILL AGAIN BE POSSIBLE TUESDAY NIGHT IN THE WAKE OF THIS LIGHT SNOW AS WINDS AGAIN INCREASE TO 15 TO 25 MPH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. BINAU
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 3:49 AM CST | Winter Weather Advisory | ARX | Dodge, Fillmore, Mower, Olmsted | 24 hr |
Nearby
Wind Chill Advisories in Wisconsin, 2008Wind Chill Advisories in Iowa, 2008Wind Chill Advisories in Minnesota, 2008Every wind chill advisory in 2008
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.