Alert archive / Wisconsin / Wind Chill Advisories in 2008
Wind Chill Advisory 8, NWS La Crosse, WI
NWS La Crosse, WI issued this wind chill advisory at Dec 21, 2008, 3:46 PM CST for 7 counties in Minnesota; 13 counties in Wisconsin; 8 counties in Iowa. It took effect at Dec 21, 2008, 6:00 PM CST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2008, 3:46 PM CST (21:46 UTC)
- In effect from
- Dec 21, 2008, 6:00 PM CST
- Expired
- Dec 22, 2008, 10:38 AM CST
- In force
- 17 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 21:51 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, 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
- 804 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 205 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 212146 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 346 PM CST SUN DEC 21 2008 ...MAIN WINTER THREAT GOING INTO TONIGHT WILL BE WIND CHILLS... .SOME BLOWING AND DRIFTING WAS STILL BEING REPORTED ACROSS THE AREA...MAINLY ACROSS THE MORE WIND-PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. THIS WILL BEGIN TO WANE THIS EVENING. OTHERWISE...THE MAIN WINTER THREAT GOING INTO TONIGHT WILL BE FRIGID TEMPERATURES AND DANGEROUS WIND CHILLS. TEMPERATURES DROPPING INTO THE SINGLE DIGITS BELOW ZERO TO TEENS BELOW WILL COMBINE WITH NORTHWEST WINDS OF 10 TO 20 MPH TO PRODUCE WIND CHILLS IN THE 20 BELOW TO 35 BELOW ZERO RANGE. THESE WIND CHILLS WILL LAST INTO MONDAY MORNING. WITH THESE WIND CHILL VALUES...EXPOSED SKIN CAN FREEZE IN THE MATTER OF MINUTES. AGAIN...THE BLOWING AND DRIFTING SNOW SHOULD IMPROVE BY THIS EVENING... BUT WIND CHILL VALUES WILL REMAIN BITTERLY COLD AND DANGEROUS TONIGHT THROUGH MONDAY MORNING. IAZ008>010-018-019-029-MNZ086-087-094-095-220600- /O.NEW.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ /O.CON.KARX.WS.W.0009.000000T0000Z-081222T0000Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 346 PM CST SUN DEC 21 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT UNTIL 12 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON MONDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. GUSTY NORTHWEST WINDS WILL CONTINUE TO PRODUCE LOCALIZED AREAS OF BLOWING AND DRIFTING SNOW INTO THE EVENING HOURS. THE BLOWING AND DRIFTING SNOW WILL SUBSIDE THIS EVENING. OTHERWISE...THE MAIN WINTER THREAT GOING INTO TONIGHT WILL BE FRIGID TEMPERATURES AND DANGEROUS WIND CHILLS. TEMPERATURES DROPPING INTO THE SINGLE DIGITS BELOW ZERO TO TEENS BELOW WILL COMBINE WITH NORTHWEST WINDS OF 10 TO 20 MPH TO PRODUCE WIND CHILLS IN THE 25 BELOW TO 35 BELOW ZERO RANGE. THESE WIND CHILLS WILL LAST INTO MONDAY MORNING. WITH THESE WIND CHILL VALUES...EXPOSED SKIN CAN FREEZE IN THE MATTER OF MINUTES. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU BUNDLE UP APPROPRIATELY. $$ IAZ011-030-MNZ096-WIZ053>055-061-220600- /O.NEW.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ /O.CON.KARX.WS.W.0009.000000T0000Z-081222T0000Z/ ALLAMAKEE-CLAYTON-HOUSTON-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 346 PM CST SUN DEC 21 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT UNTIL 12 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST MONDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. GUSTY NORTHWEST WINDS WILL CONTINUE TO PRODUCE LOCALIZED AREAS OF BLOWING AND DRIFTING SNOW INTO THE EVENING HOURS. THE BLOWING AND DRIFTING SNOW WILL SUBSIDE THIS EVENING. OTHERWISE...THE MAIN WINTER THREAT GOING INTO TONIGHT WILL BE FRIGID TEMPERATURES AND DANGEROUS WIND CHILLS. TEMPERATURES DROPPING INTO THE SINGLE DIGITS BELOW ZERO TO TEENS BELOW WILL COMBINE WITH NORTHWEST WINDS OF 10 TO 20 MPH TO PRODUCE WIND CHILLS IN THE 20 BELOW TO 30 BELOW ZERO RANGE. THESE WIND CHILLS WILL LAST INTO MONDAY MORNING. WITH THESE WIND CHILL VALUES...EXPOSED SKIN CAN FREEZE IN THE MATTER OF MINUTES. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU BUNDLE UP APPROPRIATELY. $$ MNZ079-088-WIZ017-029-032>034-041>044-220600- /O.NEW.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ /O.CON.KARX.WW.Y.0016.000000T0000Z-081222T0000Z/ WABASHA-WINONA-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE- MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...WINONA...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON 346 PM CST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT UNTIL 12 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST MONDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. GUSTY NORTHWEST WINDS WILL CONTINUE TO PRODUCE LOCALIZED AREAS OF BLOWING AND DRIFTING SNOW INTO THE EVENING HOURS. THE BLOWING AND DRIFTING SNOW WILL SUBSIDE THIS EVENING. OTHERWISE...THE MAIN WINTER THREAT GOING INTO TONIGHT WILL BE FRIGID TEMPERATURES AND DANGEROUS WIND CHILLS. TEMPERATURES DROPPING INTO THE SINGLE DIGITS BELOW ZERO TO TEENS BELOW WILL COMBINE WITH NORTHWEST WINDS OF 10 TO 20 MPH TO PRODUCE WIND CHILLS IN THE 20 BELOW TO 30 BELOW ZERO RANGE. THESE WIND CHILLS WILL LAST INTO MONDAY MORNING. WITH THESE WIND CHILL VALUES...EXPOSED SKIN CAN FREEZE IN THE MATTER OF MINUTES. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU BUNDLE UP APPROPRIATELY. $$ DAS WEATHER.GOV/LACROSSE
5 follow-up statements
000 WWUS43 KARX 212353 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 553 PM CST SUN DEC 21 2008 ...VERY COLD WIND CHILLS TONIGHT... .AS THE WINTER STORM CONTINUES TO PULL AWAY FROM THE UPPER MIDWEST...THE MAIN HAZARD SHIFTS TO DANGEROUSLY COLD WIND CHILLS. NORTHWEST WINDS ARE EXPECTED TO CONTINUE THROUGH THE NIGHT AT SPEEDS OF 10 TO 20 MPH. WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO FOR THE ENTIRE REGION THIS EVENING...THE COMBINATION OF THE TEMPERATURES AND WIND SPEEDS WILL PRODUCE WINDS CHILLS OF 15 TO 30 BELOW ZERO. THESE DANGEROUSLY COLD WINDS CHILLS CAN FREEZE EXPOSED SKIN IN A VERY SHORT AMOUNT OF TIME. THERE COULD STILL BE A LITTLE BIT OF BLOWING AND DRIFTING SNOW YET THIS EVENING...BUT IT IS NOT EXPECTED TO PRODUCE ANY SIGNIFICANT TRAVEL PROBLEMS. IAZ008>010-018-019-029-MNZ086-087-094-095-220800- /O.EXP.KARX.WS.W.0009.000000T0000Z-081222T0000Z/ /O.CON.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 553 PM CST SUN DEC 21 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... ...WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. DANGEROUSLY COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THIS EVENING. TEMPERATURES ARE EXPECTED TO FALL TO AROUND 10 BELOW THIS EVENING AS NORTHWEST WINDS CONTINUE AT 10 TO 20 MPH. THIS WILL PRODUCE WIND CHILLS OF 20 TO 30 BELOW ZERO FOR THE ENTIRE EVENING. CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL LATE MONDAY 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. $$ IAZ011-030-MNZ096-WIZ053>055-061-220800- /O.EXP.KARX.WS.W.0009.000000T0000Z-081222T0000Z/ /O.CON.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ ALLAMAKEE-CLAYTON-HOUSTON-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 553 PM CST SUN DEC 21 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... ...WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. DANGEROUSLY COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THIS EVENING. TEMPERATURES ACROSS THE ENTIRE REGION WILL FALL INTO THE SINGLE DIGITS BELOW THIS EVENING AS NORTHWEST WINDS CONTINUE AT 10 TO 20 MPH. THIS WILL PRODUCE WIND CHILLS OF 20 TO 30 BELOW ZERO FOR THE ENTIRE EVENING. CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL LATE MONDAY 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. $$ MNZ079-088-WIZ017-029-032>034-041>044-220800- /O.EXP.KARX.WW.Y.0016.000000T0000Z-081222T0000Z/ /O.CON.KARX.WC.Y.0008.081222T0000Z-081222T1800Z/ WABASHA-WINONA-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE- MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...WINONA...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON 553 PM CST SUN DEC 21 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. DANGEROUSLY COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THIS EVENING. TEMPERATURES ACROSS THE ENTIRE REGION WILL FALL INTO THE SINGLE DIGITS BELOW THIS EVENING AS NORTHWEST WINDS CONTINUE AT 10 TO 20 MPH. THIS WILL PRODUCE WIND CHILLS OF 20 TO 30 BELOW ZERO FOR THE ENTIRE EVENING. CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL LATE MONDAY MORNING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ WEATHER.GOV/LACROSSE
000 WWUS43 KARX 220455 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1055 PM CST SUN DEC 21 2008 ...COLD WIND CHILLS WILL CONTINUE INTO MONDAY MORNING... .WITH A COLD HIGH PRESSURE CENTERED OVER KANSAS...WEST TO NORTHWEST WINDS AT 10 TO 15 MPH WILL BE FOUND ACROSS THE REGION FOR THE REMAINDER OF THE NIGHT. BY MORNING...TEMPERATURES ARE EXPECTED TO BE IN THE SINGLE DIGITS AND TEENS BELOW ZERO. THE COMBINATION OF THE WINDS AND TEMPERATURES WILL CREATE WIND CHILLS OF 15 TO 30 BELOW ZERO. EXPOSED SKIN CAN FREEZE IN A VERY SHORT AMOUNT OF TIME IN THESE CONDITIONS. THE COLD WIND CHILLS WILL CONTINUE THROUGH MUCH OF MONDAY MORNING UNTIL TEMPERATURES WARM TO AROUND ZERO AND THE WINDS BECOME LIGHT OUT OF THE SOUTHWEST. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-221300- /O.CON.KARX.WC.Y.0008.000000T0000Z-081222T1800Z/ 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 1055 PM CST SUN DEC 21 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THROUGH THE NIGHT INTO MONDAY MORNING. TEMPERATURES BY MONDAY MORNING ARE EXPECTED TO BE IN THE SINGLE DIGITS AND TEENS BELOW ZERO. WEST TO NORTHWEST WINDS AT 10 TO 15 MPH WILL COMBINE WITH THE TEMPERATURES TO PRODUCE WIND CHILLS OF 15 TO 30 BELOW ZERO. CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL LATE MONDAY 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. $$ 04 WEATHER.GOV/LACROSSE
000 WWUS43 KARX 220945 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 345 AM CST MON DEC 22 2008 ...COLD WIND CHILLS YET THIS MORNING...MORE SNOW AGAIN LATE TONIGHT INTO TUESDAY... .HIGH PRESSURE WILL GRADUALLY SLIDE EAST OVER THE AREA TODAY. THE BRISK NORTHWEST WINDS WILL CONTINUE TO DIMINISH THROUGH THE MORNING AS THE HIGH MOVES OVER. WITH THE COLD AIRMASS OVER THE REGION AND TEMPERATURES NEAR AND BELOW ZERO THIS MORNING...WIND CHILLS WILL REMAIN DANGEROUSLY COLD THIS MORNING UNTIL THE WINDS BECOME LIGHT AND VARIABLE AND TEMPERATURES WARM TO NEAR AND ABOVE ZERO. ANOTHER VIGOROUS UPPER LEVEL STORM SYSTEM WILL MOVE THROUGH THE CENTRAL ROCKIES TODAY AND TONIGHT...THEN LIFT NORTHEAST TOWARD THE UPPER MIDWEST ON TUESDAY. A WAVE OF LOW PRESSURE WILL MOVE EAST ACROSS THE CENTRAL AND NORTHERN PLAINS ON TUESDAY AS WELL. MOISTURE WILL INCREASE AHEAD OF THESE FEATURES...WITH SNOW EXPECTED TO SPREAD ACROSS THE AREA LATER TONIGHT AND TUESDAY. AS MUCH AS 3 TO 5 INCHES OF SNOW ARE POSSIBLE FROM MIDNIGHT TONIGHT THROUGH MUCH OF TUESDAY. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-221745- /O.NEW.KARX.WW.Y.0017.081223T0600Z-081223T2100Z/ /O.CON.KARX.WC.Y.0008.000000T0000Z-081222T1800Z/ 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 345 AM CST MON DEC 22 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY. COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THROUGH THIS MORNING. TEMPERATURES THIS MORNING WILL MOSTLY BE IN THE SINGLE DIGITS BELOW ZERO. THESE TEMPERATURES COMBINED WITH WEST AND NORTHWEST WINDS OF 10 TO 15 MPH WILL PRODUCE WIND CHILLS OF 15 TO 30 BELOW ZERO. CONDITIONS WILL IMPROVE BY MID DAY AS TEMPERATURES WARM TO NEAR OR ABOVE ZERO AND WINDS DIMINISH TO AROUND 5 MPH OR LESS. ANOTHER ROUND OF SNOW WILL SPREAD ACROSS THE AREA AFTER MIDNIGHT TONIGHT...AND CONTINUE THROUGH MUCH OF TUESDAY. SNOW AMOUNTS ARE EXPECTED TO RANGE FROM 3 TO 4 INCHES ACROSS MUCH OF NORTHEAST IOWA...TO 4 TO 5 INCHES ALONG AND NORTHEAST OF INTERSTATE 94. 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. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ RRS WEATHER.GOV/LACROSSE
000 WWUS43 KARX 221346 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 746 AM CST MON DEC 22 2008 ...COLD WIND CHILLS THIS MORNING...MORE SNOW AGAIN LATE TONIGHT INTO TUESDAY... .HIGH PRESSURE WILL GRADUALLY SLIDE EAST OVER THE AREA TODAY. THE WEST AND NORTHWEST WIND HAVE ALREADY DIMINISHED TO 5 TO 15 MPH...BUT TEMPERATURES HAVE DROPPED TO AROUND 10 BELOW TO 15 BELOW. EVEN WITH THE LIGHTER WINDS...WIND CHILLS IN THIS COLD AIRMASS WILL REMAIN DANGEROUSLY COLD AT MANY LOCATIONS THIS MORNING. CONDITIONS WILL IMPROVE THROUGH THE MORNING AS THE WINDS BECOME LIGHT AND VARIABLE AND TEMPERATURES WARM TO NEAR AND ABOVE ZERO. ANOTHER VIGOROUS UPPER LEVEL STORM SYSTEM WILL MOVE THROUGH THE CENTRAL ROCKIES TODAY AND TONIGHT...THEN LIFT NORTHEAST TOWARD THE UPPER MIDWEST ON TUESDAY. A WAVE OF LOW PRESSURE WILL MOVE EAST ACROSS THE CENTRAL AND NORTHERN PLAINS ON TUESDAY AS WELL. MOISTURE WILL INCREASE AHEAD OF THESE FEATURES...WITH SNOW EXPECTED TO SPREAD ACROSS THE AREA LATER TONIGHT AND TUESDAY. AS MUCH AS 3 TO 5 INCHES OF SNOW ARE POSSIBLE FROM MIDNIGHT TONIGHT THROUGH MUCH OF TUESDAY. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-222200- /O.CON.KARX.WC.Y.0008.000000T0000Z-081222T1800Z/ /O.CON.KARX.WW.Y.0017.081223T0600Z-081223T2100Z/ 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 746 AM CST MON DEC 22 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY. COLD WIND CHILLS WILL BE FOUND ACROSS THE AREA THROUGH THIS MORNING. TEMPERATURE THIS MORNING WILL SLOWLY CLIMB FROM LOWS OF AROUND 10 BELOW TO 15 BELOW. THESE TEMPERATURES COMBINED WITH WEST AND NORTHWEST WINDS OF 5 TO 15 MPH WILL PRODUCE WIND CHILLS OF 15 TO 30 BELOW ZERO. CONDITIONS WILL IMPROVE BY MID DAY AS TEMPERATURES WARM TO NEAR OR ABOVE ZERO AND WINDS DIMINISH TO AROUND 5 MPH OR LESS. ANOTHER ROUND OF SNOW WILL SPREAD ACROSS THE AREA AFTER MIDNIGHT TONIGHT...AND CONTINUE THROUGH MUCH OF TUESDAY. STORM TOTAL SNOW AMOUNTS ARE EXPECTED TO RANGE FROM 3 TO 4 INCHES ACROSS MUCH OF NORTHEAST IOWA...TO 4 TO 5 INCHES ALONG AND NORTHEAST OF INTERSTATE 94. 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. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ RRS WEATHER.GOV/LACROSSE
000 WWUS43 KARX 221638 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1038 AM CST MON DEC 22 2008 ...WIND CHILLS IMPROVING THIS MORNING...MORE SNOW AGAIN LATE TONIGHT INTO TUESDAY... .WITH HIGH PRESSURE BUILDING OVERHEAD TODAY...WINDS ACROSS THE AREA HAVE DIMINISHED SUBSTANTIALLY. AND...WITH TEMPERATURES EXPECTED TO RISE TO AROUND ZERO BY NOON...WIND CHILLS ARE ALSO EXPECTED TO IMPROVE. THEREFORE...THE WIND CHILL ADVISORY THAT WAS IN EFFECT THROUGH NOON HAS BEEN CANCELED. OTHERWISE...A WAVE OF LOW PRESSURE WILL MOVE EAST ACROSS THE CENTRAL AND NORTHERN PLAINS TONIGHT...AND ACROSS THE UPPER MIDWEST THROUGH TUESDAY. MOISTURE WILL BE DRAWN NORTHWARD AHEAD OF THIS WAVE... WITH SNOW EXPECTED TO SPREAD ACROSS THE AREA LATER TONIGHT AND TUESDAY. 3 TO 5 INCHES OF SNOW LOOKS LIKELY FROM MIDNIGHT TONIGHT THROUGH THE AFTERNOON HOURS OF TUESDAY. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-230045- /O.CAN.KARX.WC.Y.0008.000000T0000Z-081222T1800Z/ /O.CON.KARX.WW.Y.0017.081223T0600Z-081223T2100Z/ 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 1038 AM CST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY... ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELED THE WIND CHILL ADVISORY. OTHERWISE...A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST TUESDAY. WITH HIGH PRESSURE BUILDING OVERHEAD TODAY...WINDS ACROSS THE AREA HAVE DIMINISHED SUBSTANTIALLY. AND...WITH TEMPERATURES EXPECTED TO RISE TO AROUND ZERO BY NOON...WIND CHILLS ARE ALSO EXPECTED TO IMPROVE. THEREFORE...THE WIND CHILL ADVISORY THAT WAS IN EFFECT THROUGH NOON HAS BEEN CANCELED. ANOTHER ROUND OF SNOW WILL SPREAD ACROSS THE AREA ESPECIALLY AFTER MIDNIGHT TONIGHT...AND CONTINUE THROUGH THE AFTERNOON HOURS OF TUESDAY. STORM TOTAL SNOW AMOUNTS ARE EXPECTED TO RANGE FROM 3 TO 4 INCHES ACROSS MUCH OF NORTHEAST IOWA...TO 4 TO 5 INCHES ALONG AND NORTHEAST OF INTERSTATE 94. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ DAS 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 Dec 21, 3:28 PM CST, 18 minutes earlier.
Area forecast discussion, Dec 21, 3:28 PM CST, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
328 PM CST SUN DEC 21 2008
.SHORT TERM...THROUGH WEDNESDAY NIGHT
PRIMARY CONCERNS WERE WITH CONVERSION OF CURRENT WINTER HEADLINES
THIS EVENING...THEN SNOW CHANCES AND AMOUNTS MONDAY NIGHT INTO
WEDNESDAY.
AFTERNOON ANALYSIS HAD NEARLY VERTICALLY STACKED LOW PRESSURE OVER
THE GREAT LAKES. SURFACE TROUGH AND ASSOCIATED TROWAL FEATURE
EXTENDED ACROSS NORTHERN SECTIONS OF WI AND MN AND HAS BEEN
TRIGGERING SOME LIGHT SNOW. IN ADDITION...TEMPERATURES WERE WARMER
NORTH OF OUR FORECAST AREA IN ZONE OF 850MB WARM AIR ADVECTION.
WATER VAPOR SHOWED VIGOROUS MID LEVEL CIRCULATION ADVANCING ONSHORE
IN PACIFIC NORTHWEST...WHICH WILL BE NEXT SYSTEM TO INFLUENCE OUR
AREA WITH ANOTHER ROUND OF SNOW EARLY IN THE WEEK.
21.12Z DETERMINISTIC NCEP AND EUROPEAN MODEL DATA WAS IN GOOD
AGREEMENT IN THE SHORT TERM...ALTHOUGH NAN/WRF BECOMES AN OUTLIER BY
23.06Z...MONDAY NIGHT. DIFFERENCES NOTED WERE THAT GFS AND EUROPEAN
DATA SUITE BRING ONSET OF SNOW INTO UPPER MISSISSIPPI VALLEY SOONER
THAN NAM/WRF MONDAY NIGHT. IN ADDITION...NAM/WRF DID NOT ACCOUNT FOR
A WAVE THAT COULD IMPACT THE FORECAST AREA WEDNESDAY WITH MORE
SNOW...AS DID GFS AND EUROPEAN DETERMINISTIC MODELS. OF SPECIAL
NOTE...21.15Z SREF DID NOT SUPPORT HIGH PROBABILITIES OF QPF ON
WEDNESDAY. AT THIS TIME...FORECAST WAS WEIGHTED TOWARD GFS AND
EUROPEAN SOLUTIONS.
TONIGHT INTO MONDAY MORNING...PRESSURE GRADIENT RELAXES AS SURFACE
HIGH PRESSURE BUILDS IN. IN ADDITION...850MB TEMPERATURES ACTUALLY
RISE DUE TO CORE OF COLDEST AIR MOVING AWAY WITH DEPARTURE OF UPPER
LEVEL LOW OVER THE GREAT LAKES. RESULT SHOULD BE DIMINISHING WINDS
AND NOT TOO MUCH CHANGE IN TEMPERATURES OVERNIGHT. IN SPITE OF
THIS...AMBIENT AIR TEMPERATURES WILL BE VERY COLD...SO THAT EVEN
WINDS OF 5 TO 10 MPH SHOULD PRODUCE WIND CHILL ADVISORY CRITERIA.
PLEASE NOTE...WE WOULD HAVE PREFERRED TO CANCEL CURRENT WINTER STORM
WARNING AND WINTER WEATHER ADVISORY THIS AFTERNOON AT 21.21Z...THEN
REPLACE WITH WIND CHILL ADVISORY. HOWEVER...STILL SOME ONGOING
BLOWING AND DRIFTING SNOW...ALONG WITH BITTER COLD WIND CHILLS
ACROSS THE AREA...OPTED TO CONTINUE CURRENT HEADLINES UNTIL 22.00Z
THIS EVENING...THEN CONVERT TO WIND CHILL ADVISORY FOR ENTIRE AREA.
MONDAY NIGHT INTO WEDNESDAY...ANOTHER SYSTEM APPEARS SLATED TO
IMPACT THE FORECAST AREA WITH MORE SNOW. THIS SYSTEM SHOULD HAVE A
ONE-TWO-PUNCH EFFECT AND FORECAST CONFIDENCE WAS GOOD IN DETAILS
BASED ON CLUSTERING OF 21.12Z NCEP...EUROPEAN AND 21.15Z SREF DATA
SUITE. FIRST PART IS EXPECTED TO ARRIVE MONDAY NIGHT INTO TUESDAY
UNDER INFLUENCE OF STRONG 850MB WARM AIR ADVECTION AND ISENTROPIC
LIFT IN THE 270K-280K LAYER. COBB DATA AND NCEP MODEL QPF SUPPORTS
POTENTIAL FOR 3 TO 6 INCH TOTAL SNOW ACCUMULATIONS.
SECOND PART OF THE SYSTEM EXPECTED TO ACCOMPANY AN UPPER LEVEL AND
SURFACE WAVE EJECTING FROM THE SOUTHWEST U.S. AND IT ARRIVES
WEDNESDAY. FORECAST CONFIDENCE NOT AS HIGH AS ONE WOULD LIKE BASED
ON DIFFERENCES IN 21.12Z DETERMINISTIC NCEP GFS AND NAM/WRF...AS
WELL AS EUROPEAN MODELS AND 21.15Z SREF DATA. AS POINTED OUT EARLIER
IN THIS DISCUSSION...WE WEIGHTED FORECAST TOWARD THE GFS AND
EUROPEAN SOLUTIONS.
THIS WOULD SUGGEST A SNOWIER SOLUTION...ESPECIALLY IN THE SOUTH AND
EAST SECTIONS OF THE FORECAST AREA. IN FACT...COBB DATA AND QPF IN
GFS AND ECMWF SUGGEST SNOWFALL TOTALS COULD REACH AROUND 8 INCHES AT
SUCH LOCATIONS AS KBLR IN SOUTHWEST WI. AT THIS TIME...OPTED TO
INCREASE SNOW PROBABILITIES ON WEDNESDAY ACROSS PARTS OF CENTRAL AND
SOUTHWEST WI...AS WELL AS ADJACENT PART OF NORTHEAST IOWA. THIS TIME
FRAME WILL DEFINITELY WARRANT CLOSE MONITORING...AS IT COULD HAVE A
SIGNIFICANT IMPACT SHOULD THE GFS AND ECMWF SOLUTIONS BE REALIZED.
.LONG TERM...THURSDAY THROUGH SUNDAY
PRIMARY FORECAST CONCERNS WERE FOCUSED ON PRECIPITATION CHANCES.
21.12Z DETERMINISTIC GFS AND ECMWF CONTINUED TO BE AT ODDS ON TIMING
OF UPPER LEVEL AND SURFACE FEATURES EJECTING OUT OF SOUTHWEST U.S.
OF NOTE...LAST COUPLE OF GFS DETERMINISTIC SOLUTIONS WERE SLOWER AND
THUS MORE AMPLIFIED WITH SYSTEM LATE IN THE WEEK...WHICH WOULD
SUGGEST POSSIBLE WINTER STORM IMPACTING THE UPPER MISSISSIPPI
VALLEY. EVEN PRECIPITATION TYPE COULD BE AN ISSUE ACCORDING TO
1000-500MB THICKNESS SIGNALS IN DPROG/DT.
ENSEMBLE MEANS TEND TO FAVOR MORE OF A PROGRESSIVE AND LESS
AMPLIFIED SOLUTION IN THE MEDIUM RANGE...WHICH WAS PREFERRED BY HPC.
BASED ON MODEL DIFFERENCES...FORECAST CONFIDENCE REMAINS LOW.
THEREFORE...NO CHANGES WERE MADE TO EXTENDED OUTLOOK.
&&
.AVIATION...
MAIN AVIATION IMPACT CONCERN CONTINUES TO BE WIND/BLOWING SNOW AND
RESTRICTIONS IN VISIBILITY. SURFACE OBSERVATIONS ACROSS THE NORTHERN
PLAINS INTO THE LOCAL AREA STILL SHOWING WIDESPREAD IFR VIS
CONDITIONS RELATED TO THE BLOWING SNOW AND ALSO SOME LIGHT FALLING
SNOW ASSOCIATED WITH A TROUGH OF LOW PRESSURE. ALTHOUGH TIGHT
PRESSURE GRADIENT REMAINS OVER THE AREA INTO THIS EVENING...THE
VISIBILITIES SHOULD IMPROVE AS ANY FALLING SNOW DIMINISHES AND
LOOSE/FRESH SNOW BECOMES MORE COMPACTED WITH TIME. KEPT IFR VIS
RESTRICTIONS RUNNING WITH BLOWING SNOW THROUGH 22.04Z AT KRST...THEN
RAPIDLY IMPROVING INTO VFR AFTER THAT AS PRESSURE GRADIENT SLACKENS.
VIS WILL BE MUCH BETTER AT MORE SHELTERED/LESS WINDY KLSE TAF SITE.
HAVE 3-4SM -SN WITH MVFR CIGS GOING THERE AS THE TROUGH OF LOW
PRESSURE ROTATES THROUGH THE UPPER MIDWEST/GREAT LAKES REGION. A
RIDGE OF HIGH PRESSURE WILL BUILD INTO THE AREA LATE TONIGHT THROUGH
MONDAY. THIS WILL CLEAR LOW CLOUDS OUT AND PROVIDE A DIMINISHING
TREND IN THE WIND.
&&
.ARX WATCHES/WARNINGS/ADVISORIES...
WI...WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR WIZ053-
WIZ054-WIZ055-WIZ061.
WIND CHILL ADVISORY FROM 6 PM THIS EVENING TO 12 PM CST MONDAY
FOR WIZ017-WIZ029-WIZ032-WIZ033-WIZ034-WIZ041-WIZ042-WIZ043-
WIZ044-WIZ053-WIZ054-WIZ055-WIZ061.
WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS AFTERNOON FOR WIZ017-
WIZ029-WIZ032-WIZ033-WIZ034-WIZ041-WIZ042-WIZ043-WIZ044.
MN...WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR MNZ086-
MNZ087-MNZ094-MNZ095-MNZ096.
WIND CHILL ADVISORY FROM 6 PM THIS EVENING TO 12 PM CST MONDAY
FOR MNZ079-MNZ086-MNZ087-MNZ088-MNZ094-MNZ095-MNZ096.
WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS AFTERNOON FOR MNZ079-
MNZ088.
IA...WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR IAZ008-
IAZ009-IAZ010-IAZ011-IAZ018-IAZ019-IAZ029-IAZ030.
WIND CHILL ADVISORY FROM 6 PM THIS EVENING TO 12 PM CST MONDAY
FOR IAZ008-IAZ009-IAZ010-IAZ011-IAZ018-IAZ019-IAZ029-IAZ030.
&&
SHORT/LONG TERM...THOMPSON
AVIATION..........DASHazardous weather outlook, Dec 21, 1:55 PM CST, 1 hour 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 155 PM CST SUN DEC 21 2008 IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061-221200- ALLAMAKEE-CHICKASAW-CLAYTON-CRAWFORD-DODGE-FAYETTE-FILLMORE-FLOYD- GRANT-HOUSTON-HOWARD-MITCHELL-MOWER-OLMSTED-RICHLAND-VERNON- WINNESHIEK- 155 PM CST SUN DEC 21 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND SOUTHWEST WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT A WINTER STORM WARNING REMAINS IN EFFECT TODAY. ARCTIC AIR WILL REMAIN FIRMLY IN PLACE TODAY AND TONIGHT. THE STRONG NORTHWEST WINDS WILL CONTINUE THROUGH THE DAY AND THEN BEGIN TO DIMINISH THIS EVENING. TEMPERATURES GENERALLY IN THE SINGLE DIGITS BELOW ZERO TODAY COMBINED WITH NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN WIND CHILLS VALUES OF 15 BELOW TO 30 BELOW ZERO. BLOWING SNOW AND DEEPER DRIFTING SNOW WILL ALSO BE A PROBLEM AND MAY REDUCE VISIBILITIES... ESPECIALLY OVER THE OPEN AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND THE HIGHER TERRAIN IN WISCONSIN. SOME LIGHT SNOW IS ALSO POSSIBLE TODAY...WITH ONLY MINOR ACCUMULATIONS. ALTHOUGH THE WIND WILL DIMINISH THIS EVENING THE BITTER COLD TEMPERATURES WILL CONTINUE AND WIND CHILLS ARE EXPECTED TO REMAIN IN THE 30 TO 35 BELOW ZERO RANGE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER STORM SYSTEM WILL PUSH SNOW BACK INTO THE AREA MONDAY NIGHT AND CONTINUE TUESDAY. ALTHOUGH IT IS STILL TOO EARLY TO PIN DOWN EXACT AMOUNTS...EARLY INDICATIONS SHOW THE POTENTIAL FOR 3 TO 6 INCHES OF SNOW. YET ANOTHER WAVE OF LOW PRESSURE LOOKS LIKE IT WILL AFFECT PORTIONS OF THE AREA ON WEDNESDAY. THERE IS THE POTENTIAL FOR MORE SIGNIFICANT SNOWFALL WITH THIS SYSTEM. HOWEVER...IT IS STILL TO EARLY TO PINPOINT WHERE THE HEAVIEST SNOW WILL FALL. ANOTHER SYSTEM LOOKS TO LIFT TOWARD THE REGION FRIDAY AND SATURDAY... BUT ITS TO EARLY TO ASCERTAIN THE EXACT TIMING OR SNOWFALL AMOUNTS. .SPOTTER INFORMATION STATEMENT... SNOWFALL REPORTS WILL BE GREATLY APPRECIATED ALONG WITH REPORTS OF HOW BLOWING AND DRIFTING SNOW MAY BE IMPACTING COMMUNITIES OR ROADS. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. MNZ079-088-WIZ017-029-032>034-041>044-221200- ADAMS-BUFFALO-CLARK-JACKSON-JUNEAU-LA CROSSE-MONROE-TAYLOR- TREMPEALEAU-WABASHA-WINONA- 155 PM CST SUN DEC 21 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MINNESOTA...CENTRAL AND NORTH CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT TODAY. ARCTIC AIR WILL REMAIN FIRMLY IN PLACE TODAY AND TONIGHT. THE STRONG NORTHWEST WINDS WILL CONTINUE THROUGH THE DAY AND THEN BEGIN TO DIMINISH THIS EVENING. WITH TEMPERATURES GENERALLY IN THE SINGLE DIGITS ABOVE ZERO TODAY COMBINED WITH NORTHWEST WINDS OF 15 TO 25 MPH WILL RESULT IN WIND CHILLS VALUES OF 15 BELOW TO 25 BELOW ZERO. BLOWING SNOW AND DEEPER DRIFTING SNOW WILL ALSO BE A PROBLEM...ESPECIALLY IN OPEN AREAS AND HIGHER TERRAIN AREAS. SOME LIGHT SNOW IS ALSO POSSIBLE TODAY...WITH ONLY MINOR ACCUMULATIONS. ALTHOUGH THE WIND WILL DIMINISH THIS EVENING THE BITTER COLD TEMPERATURES WILL CONTINUE AND WIND CHILLS ARE EXPECTED IN THE 20 TO 30 BELOW ZERO RANGE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER STORM SYSTEM WILL PUSH SNOW BACK INTO THE AREA MONDAY NIGHT AND CONTINUE TUESDAY. ALTHOUGH IT IS STILL TOO EARLY TO PIN DOWN EXACT AMOUNTS...EARLY INDICATIONS SHOW THE POTENTIAL FOR 3 TO 6 INCHES OF SNOW. YET ANOTHER WAVE OF LOW PRESSURE LOOKS LIKE IT WILL AFFECT PORTIONS OF THE AREA ON WEDNESDAY. THERE IS THE POTENTIAL FOR MORE SIGNIFICANT SNOWFALL WITH THIS SYSTEM. HOWEVER...IT IS STILL TO EARLY TO PINPOINT WHERE THE HEAVIEST SNOW WILL FALL. ANOTHER SYSTEM LOOKS TO LIFT TOWARD THE REGION FRIDAY AND SATURDAY... BUT ITS TO EARLY TO ASCERTAIN THE EXACT TIMING OR SNOWFALL AMOUNTS. .SPOTTER INFORMATION STATEMENT... SNOWFALL REPORTS WILL BE GREATLY APPRECIATED ALONG WITH REPORTS OF HOW BLOWING AND DRIFTING SNOW MAY BE IMPACTING AREAS. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. RABERDING/SHEA/DAS
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 3:54 AM CST | Winter Weather Advisory | ARX | Wabasha, Winona | 14 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.