Alert archive / Iowa / Wind Chill Advisories in 2014
Wind Chill Advisory 20, NWS La Crosse, WI
NWS La Crosse, WI issued this wind chill advisory at Jan 16, 2014, 3:20 PM CST for 6 counties in Iowa; 4 counties in Minnesota. It took effect at Jan 17, 2014, 12:00 AM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2014, 3:20 PM CST (21:20 UTC)
- In effect from
- Jan 17, 2014, 12:00 AM CST
- Expired
- Jan 17, 2014, 10:05 AM CST
- In force
- 10 hr
- Issued by
- NWS La Crosse, WI
Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN
The radar
The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 21:20 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, 9.3 hours before the alert went out and 184 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
- 491 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
802 WWUS43 KARX 162120 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 320 PM CST THU JAN 16 2014 ...OCCASIONAL WHITEOUT CONDITIONS INTO THIS EVENING... .LATEST REPORTS FROM LAW ENFORCEMENT AND SHERIFF DEPARTMENTS INDICATE THAT WHITEOUT CONDITIONS ARE OCCURRING IN PARTS OF THE AREA...THOUGH NOT AS FREQUENTLY AS EARLIER IN THE DAY. DESPITE THIS LULL...NORTHWEST WINDS ARE GUSTING TO 40 MPH AT TIMES WHICH IS STILL CAUSING PATCHY TO AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES CAN RAPIDLY DETERIORATE IN A SHORT TIME...SO USE CAUTION IF TRAVELING. ANOTHER ROUND OF SNOW WILL ARRIVE LATER THIS EVENING WHICH WILL CONTINUE THE DIFFICULT TRAVEL CONDITIONS ACROSS THE AREA. COLDER AIR MOVING IN WILL ALSO DROP WIND CHILLS TO 15 TO 25 BELOW ZERO LATER TONIGHT AND FRIDAY MORNING. IAZ008>010-018-019-029-MNZ086-087-094-095-170530- /O.NEW.KARX.WC.Y.0020.140117T0600Z-140117T1700Z/ /O.EXT.KARX.WW.Y.0004.000000T0000Z-140117T0600Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 320 PM CST THU JAN 16 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM CST FRIDAY. * OCCASIONAL WHITEOUT CONDITIONS DUE TO FALLING AND BLOWING SNOW THROUGH THIS EVENING. * WEST TO NORTHWEST WINDS WILL GUST UP TO 40 MPH THROUGH THIS EVENING. * WIND CHILLS 15 TO 25 BELOW ZERO AFTER MIDNIGHT THROUGH FRIDAY MORNING. * TRAVEL WILL BE DIFFICULT THROUGH THIS EVENING. FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS LATER TONIGHT AND ON FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. STRONG WINDS ARE ALSO EXPECTED WHICH WILL RESULT IN TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES. LASTLY...LOW WIND CHILLS CAN RESULT IN FROSTBITE. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. CALL 5 1 1 FOR THE LATEST ROAD CONDITIONS. && $$ ZT
7 follow-up statements
552 WWUS43 KARX 170228 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 828 PM CST THU JAN 16 2014 ...CONDITIONS HAVE SETTLED DOWN THIS EVENING... .LATEST REPORTS FROM AREA SHERIFF DEPARTMENTS INDICATE THAT CONDITIONS HAVE SETTLED DOWN CONSIDERABLY. NO PROBLEMS WERE REPORTED WITH BLOWING SNOW IMPACTING TRAVEL ACROSS THE REGION. THE LATEST OBSERVATIONS INDICATE THE WINDS HAVE SETTLED DOWN INTO THE 15 TO 25 MPH RANGE WITH A FEW HIGHER GUSTS...WHICH IS STILL STRONG ENOUGH TO CREATE SOME DRIFTING SNOW. ANOTHER ROUND OF SNOW WILL ARRIVE BEFORE MIDNIGHT FOR PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. THIS ROUND OF SNOW WILL HAVE THE POTENTIAL TO DROP THE VISIBILITY TO A MILE OR LESS FOR A SHORT PERIOD OF TIME. A QUICK HALF INCH OF SNOW WILL BE POSSIBLE WITH THIS BAND. COLDER AIR MOVING IN OVERNIGHT WILL DROP THE WIND CHILLS INTO THE 15 TO 25 BELOW RANGE FOR LATE TONIGHT AND FRIDAY MORNING. IAZ008>010-018-019-029-MNZ086-087-094-095-171030- /O.CAN.KARX.WW.Y.0004.000000T0000Z-140117T0600Z/ /O.CON.KARX.WC.Y.0020.140117T0600Z-140117T1700Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 828 PM CST THU JAN 16 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM CST FRIDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE WINTER WEATHER ADVISORY. * A BRIEF REDUCTION IN VISIBILITY FROM ANOTHER ROUND OF SNOW WILL OCCUR LATE THIS EVENING. * THE WINDS HAVE DIMINISHED TO THE POINT THAT WIDESPREAD BLOWING SNOW IS NO LONGER OCCURRING BUT SOME DRIFTING IS ONGOING. * WIND CHILLS 15 TO 25 BELOW ZERO AFTER MIDNIGHT THROUGH FRIDAY MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS LATER TONIGHT AND FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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
266 WWUS43 KARX 170524 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1124 PM CST THU JAN 16 2014 ...COLD WIND CHILLS FOR LATE TONIGHT AND FRIDAY MORNING... .WIND CHILLS OF 15 TO 25 BELOW WILL BE COMMON ACROSS THE AREA BY LATE TONIGHT INTO FRIDAY MORNING. THESE WIND CHILLS WILL BE FROM A COMBINATION OF NORTHWEST WINDS OF 15 TO 25 MPH WITH AIR TEMPERATURES DROPPING INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO. IAZ008>010-018-019-029-MNZ086-087-094-095-171330- /O.CON.KARX.WC.Y.0020.140117T0600Z-140117T1700Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 1124 PM CST THU JAN 16 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST FRIDAY... * WIND CHILLS 15 TO 25 BELOW ZERO LATE TONIGHT THROUGH FRIDAY MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS LATER TONIGHT AND FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ 04
598 WWUS43 KARX 170719 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 119 AM CST FRI JAN 17 2014 ...COLD WIND CHILLS THROUGH THE MORNING... .WIND CHILLS OF 15 TO 25 BELOW WILL BE COMMON ACROSS THE AREA THROUGH MORNING. THESE WIND CHILLS WILL BE FROM A COMBINATION OF NORTHWEST WINDS OF 15 TO 25 MPH WITH AIR TEMPERATURES DROPPING INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO. IAZ008>010-018-019-029-MNZ086-087-094-095-171530- /O.CON.KARX.WC.Y.0020.000000T0000Z-140117T1700Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 119 AM CST FRI JAN 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... * WIND CHILLS 15 TO 25 BELOW ZERO LATE TONIGHT THROUGH FRIDAY MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS LATER TONIGHT AND FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ DB
782 WWUS43 KARX 171005 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 405 AM CST FRI JAN 17 2014 ...COLD WIND CHILLS FOR PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA THROUGH THIS MORNING...THEN ACCUMULATING SNOW LATE TONIGHT THROUGH SATURDAY... .NORTHWEST WINDS OF 15 TO 25 MPH COMBINED WITH AIR TEMPERATURES IN THE SINGLE DIGITS ABOVE AND BELOW ZERO WILL PRODUCE WIND CHILLS IN THE 15 BELOW TO 25 BELOW ZERO RANGE THROUGH THIS MORNING ACROSS PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ACCUMULATING SNOW WILL THEN MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...CONTINUING THROUGH SATURDAY. PLAN ON 3 TO 4 INCHES OF SNOWFALL MAINLY ALONG AND WEST OF THE MISSISSIPPI RIVER. IN ADDITION...SOME BLOWING SNOW IS EXPECTED ACROSS THE OPEN AND MORE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. IAZ008>010-018-019-029-MNZ086-087-094-095-171815- /O.NEW.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ /O.CON.KARX.WC.Y.0020.000000T0000Z-140117T1700Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 405 AM CST FRI JAN 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY FOR 3 TO 4 INCHES OF SNOWFALL...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY. * WIND CHILLS 15 TO 25 BELOW ZERO WILL BE SEEN THROUGH THIS MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS LATER TONIGHT AND FRIDAY MORNING. * SNOW WILL SPREAD INTO THE AREA LATE TONIGHT AFTER 3 AM AND THEN CONTINUE THROUGH SATURDAY. * SNOW ACCUMULATIONS OF 3 TO 4 INCHES IS EXPECTED. * SOME BLOWING SNOW WILL ALSO BE SEEN ACROSS THE OPEN AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS THIS MORNING. * SNOWFALL WILL LIKELY LEAD TO SLIPPERY ROADWAYS MAKING DRIVING DIFFICULT. IN ADDITION...ANY BLOWING SNOW MAY REDUCE THE VISIBILITY SIGNIFICANTLY AT TIMES...ADDING TO DRIVING DIFFICULTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-171815- /O.NEW.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...LA CROSSE...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 405 AM CST FRI JAN 17 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY FOR 3 TO 4 INCHES OF SNOW...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY. * LOOK FOR ACCUMULATING SNOW TO MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...THEN LAST THROUGH SATURDAY. * PLAN ON 3 TO 4 INCHES OF SNOWFALL. * SLIPPERY ROADWAYS WILL LIKELY RESULT MAKING FOR DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ DAS
744 WWUS43 KARX 171005 CCA WSWARX URGENT - WINTER WEATHER MESSAGE...CORRECTEDD NATIONAL WEATHER SERVICE LA CROSSE WI 405 AM CST FRI JAN 17 2014 ...COLD WIND CHILLS FOR PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA THROUGH THIS MORNING...THEN ACCUMULATING SNOW LATE TONIGHT THROUGH SATURDAY... .NORTHWEST WINDS OF 15 TO 25 MPH COMBINED WITH AIR TEMPERATURES IN THE SINGLE DIGITS ABOVE AND BELOW ZERO WILL PRODUCE WIND CHILLS IN THE 15 BELOW TO 25 BELOW ZERO RANGE THROUGH THIS MORNING ACROSS PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ACCUMULATING SNOW WILL THEN MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...CONTINUING THROUGH SATURDAY. PLAN ON 3 TO 4 INCHES OF SNOWFALL MAINLY ALONG AND WEST OF THE MISSISSIPPI RIVER. IN ADDITION...SOME BLOWING SNOW IS EXPECTED ACROSS THE OPEN AND MORE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. IAZ008>010-018-019-029-MNZ086-087-094-095-171815- /O.COR.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ /O.COR.KARX.WC.Y.0020.000000T0000Z-140117T1700Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 405 AM CST FRI JAN 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY FOR 3 TO 4 INCHES OF SNOWFALL...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY. * WIND CHILLS 15 TO 25 BELOW ZERO WILL BE SEEN THROUGH THIS MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS THIS MORNING. * SNOW WILL THEN SPREAD INTO THE AREA LATE TONIGHT AFTER 3 AM AND THEN CONTINUE THROUGH SATURDAY. * SNOW ACCUMULATIONS OF 3 TO 4 INCHES IS EXPECTED. * SOME BLOWING SNOW WILL ALSO BE SEEN ACROSS THE OPEN AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. * SNOWFALL WILL LIKELY LEAD TO SLIPPERY ROADWAYS MAKING DRIVING DIFFICULT. IN ADDITION...ANY BLOWING SNOW MAY REDUCE THE VISIBILITY SIGNIFICANTLY AT TIMES...ADDING TO DRIVING DIFFICULTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-171815- /O.COR.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...LA CROSSE...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 405 AM CST FRI JAN 17 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER WEATHER ADVISORY FOR 3 TO 4 INCHES OF SNOW...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY. * LOOK FOR ACCUMULATING SNOW TO MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...THEN LAST THROUGH SATURDAY. * PLAN ON 3 TO 4 INCHES OF SNOWFALL. * SLIPPERY ROADWAYS WILL LIKELY RESULT MAKING FOR DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ DAS
173 WWUS43 KARX 171327 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 727 AM CST FRI JAN 17 2014 ...COLD WIND CHILLS THIS MORNING... ...THEN ACCUMULATING SNOW LATE TONIGHT THROUGH SATURDAY... .WIND CHILLS ARE CURRENTLY FROM 15 TO 20 BELOW ZERO ACROSS PARTS OF NORTHEAST IOWA AND SOUTHEAST MINNESOTA. WINDS WERE 15 TO 27 MPH...SO BUNDLE UP THIS MORNING. ACCUMULATING SNOW WILL MOVE INTO THE AREA LATE TONIGHT...AND CONTINUE THROUGH SATURDAY. PLAN ON 3 TO 4 INCHES OF SNOWFALL MAINLY ALONG AND WEST OF THE MISSISSIPPI RIVER. IN ADDITION...SOME BLOWING SNOW IS EXPECTED ACROSS THE OPEN AND MORE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. IAZ008>010-018-019-029-MNZ086-087-094-095-172130- /O.CON.KARX.WC.Y.0020.000000T0000Z-140117T1700Z/ /O.CON.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 727 AM CST FRI JAN 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... * WIND CHILLS 15 TO 25 BELOW ZERO WILL BE SEEN THROUGH THIS MORNING. * FROSTBITE COULD FORM IN AS LITTLE AS 30 MINUTES IF SKIN IS EXPOSED TO THE LOW WIND CHILLS THIS MORNING. * SNOW WILL THEN SPREAD INTO THE AREA LATE TONIGHT AFTER 3 AM AND CONTINUE THROUGH SATURDAY. * SNOW ACCUMULATIONS OF 3 TO 4 INCHES ARE EXPECTED. * SOME BLOWING SNOW WILL ALSO BE SEEN ACROSS THE OPEN AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. * SNOWFALL WILL LIKELY LEAD TO SLIPPERY ROADWAYS MAKING DRIVING DIFFICULT. IN ADDITION...ANY BLOWING SNOW MAY REDUCE THE VISIBILITY SIGNIFICANTLY AT TIMES...ADDING TO DRIVING DIFFICULTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-172130- /O.CON.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...LA CROSSE...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 727 AM CST FRI JAN 17 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... * LOOK FOR ACCUMULATING SNOW TO MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...THEN LAST THROUGH SATURDAY. * PLAN ON 3 TO 4 INCHES OF SNOWFALL. * SLIPPERY ROADWAYS WILL LIKELY RESULT MAKING FOR DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$
075 WWUS43 KARX 171605 WSWARX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1005 AM CST FRI JAN 17 2014 ...SNOW LATE TONIGHT THROUGH SATURDAY... .WIND CHILLS WILL CONTINUE TO IMPROVE THROUGH THE MORNING AND HAVE GONE HIGHER THAN 20 BELOW ZERO ACROSS THE REGION. THEREFORE...THE WIND CHILL ADVISORY HAS BEEN CANCELLED. ACCUMULATING SNOW WILL MOVE IN LATE TONIGHT...AND CONTINUE THROUGH SATURDAY. PLAN ON 3 TO 4 INCHES OF SNOWFALL MAINLY ALONG AND WEST OF THE MISSISSIPPI RIVER. IN ADDITION... SOME BLOWING SNOW IS EXPECTED ACROSS THE OPEN AND MORE WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. IAZ008>010-018-019-029-MNZ086-087-094-095-180015- /O.CAN.KARX.WC.Y.0020.000000T0000Z-140117T1700Z/ /O.CON.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN... ROCHESTER...AUSTIN 1005 AM CST FRI JAN 17 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE WIND CHILL ADVISORY. * SNOW WILL SPREAD INTO THE AREA LATE TONIGHT AFTER 3 AM AND CONTINUE THROUGH SATURDAY. * SNOW ACCUMULATIONS OF 3 TO 4 INCHES ARE EXPECTED. * SOME BLOWING SNOW WILL ALSO BE SEEN ACROSS THE OPEN AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. * SNOWFALL WILL LIKELY LEAD TO SLIPPERY ROADWAYS MAKING DRIVING DIFFICULT. IN ADDITION...ANY BLOWING SNOW MAY REDUCE THE VISIBILITY SIGNIFICANTLY AT TIMES...ADDING TO DRIVING DIFFICULTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-180015- /O.CON.KARX.WW.Y.0005.140118T0900Z-140119T0000Z/ ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...WAUKON...WINONA...LA CROSSE...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE 1005 AM CST FRI JAN 17 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SATURDAY... * LOOK FOR ACCUMULATING SNOW TO MOVE INTO THE AREA LATE TONIGHT AFTER 3 AM...THEN LAST THROUGH SATURDAY. * PLAN ON 3 TO 4 INCHES OF SNOWFALL. * SLIPPERY ROADWAYS WILL LIKELY RESULT MAKING FOR DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. && $$ HALBACH
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 Jan 16, 3:15 PM CST, 5 minutes earlier.
Area forecast discussion, Jan 16, 3:15 PM CST, 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
315 PM CST THU JAN 16 2014
.SHORT TERM...(TONIGHT THROUGH FRIDAY NIGHT)
ISSUED AT 315 PM CST THU JAN 16 2014
MAIN FORECAST CONCERNS THIS PACKAGE...WINDS/BLOWING SNOW THIS
EVENING...WIND CHILLS LATER TONIGHT/FRI MORNING...NEXT SYSTEM
DROPPING INTO THE REGION FRI NIGHT...
18Z DATA ANALYSIS HAD A 995MB LOW CENTERED OVER THE U.P. OF MI WITH
ITS BROAD CIRCULATION COVERING MUCH OF THE NORTH-CENTRAL CONUS.
TIGHTER GRADIENT AND SUBSIDENCE BEHIND A COLD FRONT MOVING ACROSS
WI/EASTERN IA WAS PRODUCING STRONG/GUSTY NORTHWEST WINDS ACROSS MUCH
OF MN/IA/WESTERN WI. SNOW ACROSS THE AREA HAS GENERALLY BEEN
SHOWERY/SPOTTY WITH MINIMAL ACCUMULATIONS...WITH ONLY A 2 TO 3 HR
PERIOD OF VSBYS BELOW A COUPLE MILES IN SNOW/BLOWING SNOW WITH THE
STRONGEST WINDS RIGHT BEHIND THE FRONT. MORE SEVERE BLOWING
SNOW/POOR VSBYS WERE OVER WESTERN MN/FAR EASTERN ND WHERE SNOW
DEPTHS WERE GREATER AND WINDS WERE STILL GUSTING 30-40 MPH.
16.12Z MODELS INITIALIZED WELL AND OFFER VERY SIMILAR SOLUTIONS FOR
TONIGHT THRU FRI NIGHT. MODEL CONSENSUS CONTINUES TO FAVOR STRONGER
OF EARLIER MODEL RUNS WITH WITH THE SHORTWAVE TROUGH TO PASS TONIGHT
AND THE NEXT ONE DROPPING TOWARD THE AREA FRI NIGHT. WITH THE
STRONGER TREND IS A SLOWING TREND WITH THE FEATURES...ESPECIALLY THE
SHORTWAVE APPROACHING FRI NIGHT. CHECK AT 18Z SHOWED MOST MODELS TO
BE A BIT FAST WITH THE COLD FRONT MOVING ACROSS WI/EASTERN IA. ALL
TO HAVE A GOOD HANDLE ON THE SFC LOW AND WINDS ACROSS REGION...AND
WERE QUITE GOOD WITH ANY SNOW ACROSS MUCH OF MN/IA/WI THIS MORNING
REMAINING ON THE LIGHT SIDE. PER WV IMAGERY MODELS LOOK GOOD WITH
THE SHORTWAVE MOVING ONSHORE IN SOUTHERN AK...WHICH DROPS INTO THE
REGION FRI NIGHT. GIVEN THE TIGHT MODEL CONSENSUS...EVEN WITH THE
STRONGER TREND...FCST CONFIDENCE IS GOOD TONIGHT THRU FRI NIGHT.
IN THE SHORT TERM...ONE MORE STRONGER LOBE/SPOKE OF VORTICITY TO
DROP ACROSS THE AREA TONIGHT. AFTER A DECREASE OF CLOUDS AND SOME
SUNSHINE FOR PARTS OF THE FCST AREA TODAY...ANOTHER DEEPER BAND OF
925-700MB MOISTURE TO ROTATE SOUTH ACROSS THE FCST AREA TONIGHT
WITH/BEHIND THE SFC-700MB TROUGH. THIS WITH SOME WEAK CONVERGENCE/
LIFT LOOKS TO PRODUCE A WEAK DEFORMATION BAND OF -SN/-SHSN AS IT
PASSES TONIGHT. CONTINUED THE 40-60 PERCENT PRECIP CHANCES WITH
SCT/ OCCASIONAL -SHSN TONIGHT. NORTHWEST WINDS REMAIN BRISK
TONIGHT BUT DO GRADUALLY DIMINISH. BLOWING/DRIFTING SNOW TO
DIMINISH/END AS WELL AS WINDS DROP 5 TO 10 KTS FROM THEIR PEAK
VALUES AND GUSTINESS WANES. WILL END THE WINTER WEATHER ADVISORY
AT MIDNIGHT AND CONVERT THE 06Z-18Z PORTION TO A WIND CHILL
ADVISORY FOR 06Z-17Z. TEMPS FALLING TO AROUND ZERO LATER TONIGHT
COUPLED WITH THE 10-20 MPH WINDS STILL LOOK TO SEND WIND CHILLS
ACROSS THE WEST THIRD OF THE FCST AREA INTO THE -20 TO -30 RANGE
LATE TONIGHT/FRI MORNING.
FRI/FRI EVENING CONTINUE TO LOOK QUIET/COLD AS SFC-700MB RIDGING
BUILDS INTO/ACROSS THE AREA. 925MB TEMPS IN THE -12C TO -16C RANGE
THRU FRI FOR HIGHS SOME 15-20F COLDER THAN THOSE OF TODAY.
SLOWER MODEL SOLUTIONS DELAY THE ARRIVAL OF THE DEEPER MOISTURE/LIFT
WITH THE NEXT STRONG SHORTWAVE TO DIVE SOUTHEAST INTO THE REGION.
RATHER IMPRESSIVE 500-300MB PV ADVECTION/LIFT/DIVERGENCE ALOFT TO
SPREAD INTO THE AREA LATER FRI NIGHT. ANOTHER ROUND OF MDT TO STRONG
925-700MB WARM ADVECTION/ISENTROPIC LIFT SPREADS ACROSS THE AREA
AHEAD OF A RATHER VIGOROUS SFC-700MB LOW DROPPING TOWARD THE AREA.
DELAYED THE ARRIVAL OF THE SNOW A BIT FRI NIGHT...LEFT FRI EVENING
DRY...THEN TRENDED SNOW CHANCES UPWARD IN THE 09-12Z SAT PERIOD.
USED A BLEND OF THE GUIDANCE LOWS/HIGHS FOR TONIGHT THRU FRI NIGHT.
.LONG TERM...(SATURDAY THROUGH THURSDAY)
ISSUED AT 315 PM CST THU JAN 16 2014
FORECAST CONCERNS FOR SATURDAY THROUGH SUNDAY NIGHT...SNOW ON
SATURDAY...TEMPERATURES SATURDAY THRU SUN NIGHT.
16.12Z MODELS IN GOOD AGREEMENT WITH STRONGER TRENDING SHORTWAVE TO
DROP ACROSS THE UPPER MIDWEST SAT...HGTS TO SLOWLY RISE SAT NIGHT/
SUN THEN FALL AGAIN SUN NIGHT AS THE NEXT BROADER TROUGHING/ENERGY
DROP INTO THE UPPER MIDWEST. TREND IS TOWARD A TIGHTER COMPROMISE
CONSENSUS OF THE EARLIER RUNS THRU THE PERIOD...BUT THE STRONGER/
SLOWER TREND FROM FRI NIGHT CONTINUES SAT...AND TREND IS A BIT
STRONGER WITH THE TROUGHING MOVING IN SUN NIGHT. FCST CONFIDENCE IN
THE SAT THRU SUN NIGHT PERIOD IS GOOD.
COMING OUT OF FRI NIGHT WITH THE SLIGHT SLOWING...THE STRONGEST/
DEEPEST LIFT WITH THE SHORTWAVE AND LOWER LEVEL THERMO-DYNAMIC
FORCING NOW PROGGED TO MOVE ACROSS THE FCST SAT MORNING. MODEL
CONSENSUS OF THE SWATH OF SNOW HAS TIGHTENED...BUT CAN-GEM REMAINS A
BIT WEST OF THE MEAN AND NAM A BIT EAST OF THE MEAN. EITHER
WAY...MODEL CONSENSUS PRODUCES A BAND OF 0.1 TO AS MUCH AS 0.25
INCH OF QPF ACROSS THE AREA...MAINLY ALONG/EAST OF THE MS RIVER.
SNOW-WATER RATIOS A BIT TRICKY. DENDRITIC GROWTH ZONE NOT
EXCEPTIONALLY DEEP WITH THIS SYSTEM...BUT THE LIFT IS PROGGED TO
BE STRONG AND DEEP. USING A 15 TO 17 TO 1 SNOW-WATER RATIO STILL
PRODUCES AS MUCH AS 3 TO 4 INCHES OF SNOW ALONG/NORTHEAST OF I-94
FROM LATE FRI NIGHT INTO SAT AFTERNOON. WILL HOLD OF ON ANY
HEADLINES FOR THIS EXPECTED SNOW FALL AND GIVE MID CREW ONE MORE
SET OF MODEL RUNS TO TIGHTEN THE CONSENSUS EVEN FURTHER...PLUS THE
SHORTWAVE OF CONCERN WILL BE OVER AK/NORTHWEST CAN.
BEYOND SAT...WEATHER GENERALLY QUIET FOR SAT NIGHT THRU SUN NIGHT AS
THE SAT TROUGH ROTATES QUICKLY EAST AND THE FLOW ALOFT GRADUALLY
TURNS FROM NORTH TO WEST OVER THE AREA. COLD ADVECTION BEHIND THE
SAT SHORTWAVE IS SHORT-LIVED WITH MDT/STRONG 925-700MB WARM
ADVECTION SPREADING ACROSS THE AREA SAT NIGHT/EARLY SUNDAY. SOME
DIFFERENCE OF OPINION AMONG THE MODELS HOW MUCH LOWER LEVEL WARMING
OCCURS BY SUN AFTERNOON...925MB TEMPS PER THE ECMWF/NAM IN THE -3C
TO +3C RANGE WHILE GFS IN THE -5C TO -10C RANGE. WITH MORE WESTERLY
MID LEVEL FLOW AHEAD OF SHORTWAVE ENERGY DROPPING INTO ND/NORTHERN MN
SUN AFTERNOON...WARMER NAM/ECMWF SOLUTIONS LOOK BETTER FOR SUN AND
LEFT SUNDAY HIGHS IN THE 30S. IF WARMER ECMWF IS MORE CORRECT...
COULD EVEN BE A FEW LOW 40S ON SUN...MUCH LIKE SUNDAY JAN 12. MORE
CONSISTENT SIGNAL FOR LOW LEVEL COLD ADVECTION TO RETURN SUN NIGHT
AS LOW PRESSURE TRACKING ACROSS SOUTHERN CAN PUSHES ANOTHER COLD
FRONT SOUTH ACROSS THE UPPER MIDWEST. FAVORED WARMER OF NUMERICAL
GUIDANCE FOR SUN HIGHS...OTHERWISE STAYED WITH A MODEL/ENSEMBLE
CONSENSUS FOR HIGHS/LOWS IN THE SAT-SUN NIGHT PERIOD.
FOR MONDAY THROUGH THURSDAY.../DAYS 4 TO 7/...
16.00Z AND 16.12Z MEDIUM RANGE MODELS OFFER IMPROVING AGREEMENT IN
THE MONDAY TIME-FRAME AS HGTS FALL ACROSS THE REGION...THEN REMAIN
IN GOOD/IMPROVING AGREEMENT TUE/WED AS LONGWAVE TROUGHING DEEPENS
OVER EASTERN NOAM. DETAIL DIFFERENCES ON SHORTWAVES THRU THE NORTH-
WEST TO NORTH FLOW OVER THE REGION BECOME MORE APPARENT BY THU BUT
THIS MORE OR LESS EXPECTED IN NORTHWEST FLOW BY DAY 7. WITH THE
IMPROVING CONSISTENCY...FCST CONFIDENCE FOR TEMPS HEADING BACK BELOW
NORMAL IN THE DAY 4-7 PERIOD IS GOOD. LESSER CONFIDENCE ON ANY -SN
CHANCES MON-THU WITH PLENTY OF SMALLER SCALE SHORTWAVE STRENGTH/
TIMING DETAIL DIFFERENCES AMONG THE MODELS.
TRAIN OF SHORTWAVE ENERGY DROPS ACROSS THE REGION MON...LOWERING
HGTS AND EVENTUALLY CARVING OUT THE EASTERN NOAM TROUGH FOR MUCH
OF NEXT WEEK. REGION ENDS UP UNDER NORTHWEST TO NORTH FLOW ALOFT
MUCH OF NEXT WEEK. LEAD ENERGY MON BRINGS WITH IT A -SN CHANCE FOR
MUCH OF THE FCST AREA...BUT MORE OF AN IMPACT LOOKS TO BE THE
STRONG LOW LEVEL COLD ADVECTION MON/MON NIGHT WITH 925MB TEMPS IN
THE -18C TO -22C RANGE BY 12Z TUE. AFTER A WARMER DAY SUN...TEMPS
TO SHARPLY FALL MON/MON NIGHT...ENDING UP BELOW ZERO BY TUE
MORNING WITH POTENTIAL NEED FOR WIND CHILL HEADLINES ACROSS MOST
OR ALL OF THE AREA LATE MON NIGHT/TUE MORNING. 925MB TEMPS LOOK TO
STAY IN THE - 18C TO -22C RANGE THRU WED...WITH SOME MODEL SIGNAL
FOR A STRONGER ROUND OF LOWER LEVEL WARM ADVECTION TO SPREAD
ACROSS THE AREA THU. GIVEN THE STRENGTH/DEPTH OF THE MOISTURE/LIFT
SIGNAL...SOME MODERATE OF TEMPS AND AT LEAST A SMALL -SN CHANCE
ARE REASONABLE FOR THU. TRENDED TOWARD FALLING TEMPS
MONDAY...COLDER OF LOWS/HIGHS MON NIGHT THRU WED...WITH THE
MODEL/ENSEMBLE CONSENSUS TEMPS LOOKING GOOD FOR WED NIGHT/THU.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z FRIDAY AFTERNOON)
ISSUED AT 1131 AM CST THU JAN 16 2014
CHALLENGING AVIATION FORECAST AS BLOWING SNOW AND INTERMITTENT SNOW
BURSTS ARE CREATING A WIDE VARIETY OF VISIBILITIES ACROSS
MINNESOTA...RANGING FROM 1/4SM TO VFR...ALL WITHIN AN HOUR IN SOME
SPOTS. INITIAL SURGE OF STRONG WINDS / SNOW HAS MOVED PAST
KRST...AND WILL DO SO AT KLSE IN A FEW HOURS. THERE MAY BE A LULL IN
THE ACTIVITY /EVEN A BRIEF PERIOD OF CLEAR SKIES/ FOR A FEW HOURS
THIS AFTERNOON...BEFORE THE NEXT WAVE COMES THROUGH THIS EVENING.
DESPITE THIS LULL...WINDS WILL REMAIN 20 TO 25 KTS...WHICH SHOULD
KEEP BLOWING SNOW PRESENT AND VIS AT MVFR...ESPECIALLY AT KRST WHICH
COULD BRIEFLY DROP TO IFR. WITH THE NEXT ROUND COMING
TONIGHT...EXPECTING LIGHT SNOW AND MVFR VISIBILITIES...THOUGH
CEILINGS ARE MORE TRICKY. GUIDANCE SHOWS MAINLY 1500 TO 2500 FT
IMPROVING TO VFR BY MORNING...AND HAVE TRENDED THE FORECAST IN THAT
DIRECTION.
&&
.ARX WATCHES/WARNINGS/ADVISORIES...
WI...NONE.
MN...WINTER WEATHER ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR MNZ086-
087-094-095.
WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO 11 AM CST FRIDAY
FOR MNZ086-087-094-095.
IA...WINTER WEATHER ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR
IAZ008>010-018-019-029.
WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO 11 AM CST FRIDAY
FOR IAZ008>010-018-019-029.
&&
SHORT TERM...RRS
LONG TERM....RRS
AVIATION.....ZTHazardous weather outlook, Jan 16, 3:18 PM CST, 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 318 PM CST THU JAN 16 2014 IAZ008>010-018-019-029-MNZ086-087-094-095-171200- MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE- 318 PM CST THU JAN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA AND SOUTHEAST MINNESOTA. .DAY ONE...TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH MIDNIGHT. WIND GUSTS UP TO 40 MPH AT TIMES ARE EXPECTED WHICH WILL PRODUCE OCCASIONAL WHITEOUT CONDITIONS THIS EVENING. A WIND CHILL ADVISORY IS IN EFFECT AFTER MIDNIGHT...AND WIND CHILL VALUES WILL DROP TO 15 TO 25 BELOW ZERO. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A WIND CHILL ADVISORY REMAINS IN EFFECT THROUGH NOON FRIDAY. WIND CHILLS WILL RANGE FROM 15 TO 25 BELOW ON FRIDAY MORNING. 1 TO 2 INCHES OF SNOW ARE POSSIBLE LATE FRIDAY NIGHT AND SATURDAY. ON SATURDAY AFTERNOON AND EVENING...NORTHWEST WINDS OF 20 TO 30 MPH WILL PRODUCE SOME BLOWING AND DRIFTING SNOW. .SPOTTER INFORMATION STATEMENT... SNOW REPORTS WOULD BE APPRECIATED SATURDAY. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-171200- ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT- 318 PM CST THU JAN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...WESTERN AND SOUTHWEST WISCONSIN. .DAY ONE...TONIGHT WIND GUSTS UP TO 35 MPH ARE EXPECTED TONIGHT...WHICH COULD PRODUCE SOME BLOWING AND DRIFTING SNOW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 2 TO 3 INCHES OF SNOW ARE POSSIBLE LATE FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SNOW REPORTS WOULD BE APPRECIATED SATURDAY. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. WIZ017-029-034-042>044-171200- TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS- 318 PM CST THU JAN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND NORTH CENTRAL WISCONSIN. .DAY ONE...TONIGHT WIND GUSTS UP TO 35 MPH ARE EXPECTED TONIGHT...WHICH COULD PRODUCE SOME BLOWING AND DRIFTING SNOW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 3 TO 5 INCHES OF SNOW ARE POSSIBLE LATE FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SNOW REPORTS WOULD BE APPRECIATED SATURDAY. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. ZT
In the hours before
Special weather statement, Jan 16, 9:39 AM CST, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 939 AM CST THU JAN 16 2014 IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 161745- 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 939 AM CST THU JAN 16 2014 ...BRIEF BURSTS OF SNOW WILL REDUCE VISIBILITY TODAY... BURSTS OF SNOW...OCCASIONALLY HEAVY...WILL SPREAD ACROSS THE AREA TODAY...AND AT TIMES THE VISIBILITY WILL FALL TO 1 MILE OR LESS. AN ARCTIC FRONT WILL ALSO BRING STRONG WINDS...GUSTS UP TO 35 MPH AT TIMES LATER THIS MORNING INTO THE AFTERNOON HOURS. THE FALLING SNOW COUPLED WITH THE STRONG WINDS WILL CREATE LOW VISIBILITIES AT TIMES...ALONG WITH SOME DRIFTING AND BLOWING SNOW ON RIDGE TOPS AND OPEN AREAS. ACCUMULATIONS WILL BE GENERALLY UNDER 1 INCH...BUT WILL BE ENOUGH TO COVER ROADWAYS. IF TRAVELING TODAY...BE PREPARED FOR INTENSE SNOW SHOWERS THAT COULD SIGNIFICANTLY IMPACT TRAVEL CONDITIONS. ZT
Local storm report, Jan 16, 10:15 AM CST, 5 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1015 AM CST THU JAN 16 2014
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0937 AM NON-TSTM WND GST ROCHESTER 44.02N 92.48W
01/16/2014 M58 MPH OLMSTED MN AWOS
AWOS STATION MAYO HELIPAD /9MN/
&&
NWS LA CROSSE WISpecial weather statement, Jan 16, 11:31 AM CST, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1131 AM CST THU JAN 16 2014 IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061- 162215- 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 1131 AM CST THU JAN 16 2014 ...BRIEF BURSTS OF SNOW WILL REDUCE VISIBILITY TODAY... INTENSE BURSTS OF SNOW WILL MOVE ACROSS THE AREA TODAY...AND AT TIMES THE VISIBILITY WILL FALL TO 1 MILE OR LESS. AN ARCTIC FRONT WILL ALSO BRING STRONG WINDS...GUSTS UP TO 35 MPH INTO THE AFTERNOON HOURS. THE FALLING SNOW COUPLED WITH THE STRONG WINDS WILL CREATE LOW VISIBILITIES...ALONG WITH SOME DRIFTING AND BLOWING SNOW ON RIDGE TOPS AND OPEN AREAS. ACCUMULATIONS WILL BE GENERALLY UNDER 1 INCH...BUT WILL BE ENOUGH TO COVER ROADWAYS. IF TRAVELING TODAY...BE PREPARED FOR INTENSE SNOW SHOWERS THAT COULD SIGNIFICANTLY IMPACT TRAVEL CONDITIONS. ZT
Nearby
Wind Chill Advisories in Iowa, 2014Wind Chill Advisories in Minnesota, 2014Every wind chill advisory in 2014
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.