Alert archive / Minnesota / Winter Storm Watches in 2012
Winter Storm Watch 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter storm watch at Feb 22, 2012, 11:50 AM CST for 15 counties in Minnesota; Pepin County, Wisconsin. It took effect at Feb 23, 2012, 3:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 22, 2012, 11:50 AM CST (17:50 UTC)
- In effect from
- Feb 23, 2012, 3:00 AM CST
- Expired
- Feb 22, 2012, 9:51 PM CST
- In force
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Rice County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN, Yellow Medicine County, MN, Pepin County, WI
The radar
The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 17:49 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, 5.8 hours before the alert went out and 81 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
- 1011 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
359 WWUS43 KMPX 221750 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1150 AM CST WED FEB 22 2012 ...BAND OF HEAVY SNOW POSSIBLE IN SOUTHERN MINNESOTA TOMORROW... .A WINTER STORM WATCH IS IN EFFECT FOR PORTIONS OF SOUTHERN MINNESOTA AND PEPIN COUNTY IN WISCONSIN FROM EARLY THURSDAY MORNING UNTIL LATE THURSDAY AFTERNOON. A SYSTEM WILL TRACK OUT OF THE NORTHERN PLAINS AND DROP SOUTH ACROSS IOWA BY THURSDAY AFTERNOON. THERE WILL BE A SWATH OF MODERATE TO HEAVY SNOW ON THE NORTH SIDE OF THIS SYSTEM IN SOUTHERN MINNESOTA AND WESTERN WISCONSIN. THIS SYSTEM LOOKS STRONGER THAN IT HAS OVER THE PAST FEW DAYS...AND A BAND OF 4 TO 7 INCHES OF SNOW IS NOW A REAL POSSIBILITY. IN FACT...AN EVEN HEAVIER BUT VERY NARROW BAND OF SNOW BETWEEN 7 AND 10 INCHES IS POSSIBLE SOMEWHERE IN THE WATCH AREA. HOPEFULLY SOMETIME TONIGHT WE WILL BE ABLE TO FOCUS IN ON WHERE THE HEAVIEST AXIS OF SNOW WILL BE. MNZ054-064-073>078-082>085-091>093-WIZ026-230200- /O.NEW.KMPX.WS.A.0001.120223T0900Z-120224T0000Z/ LAC QUI PARLE-YELLOW MEDICINE-REDWOOD-BROWN-NICOLLET-LE SUEUR- RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN-PEPIN- INCLUDING THE CITIES OF...MADISON...GRANITE FALLS... REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT... RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT... BLUE EARTH...ALBERT LEA...DURAND...PEPIN 1150 AM CST WED FEB 22 2012 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON. * TIMING...SNOW DEVELOPS EARLY THURSDAY MORNING IN WESTERN MINNESOTA AND SLIDES EAST THROUGHOUT THE REMAINDER OF THE MORNING. * MAIN IMPACT...A BAND OF 4 TO 7 INCHES OF SNOW NEAR AND SOUTH OF A LINE FROM CANBY...TO REDWOOD FALLS...TO OWATONNA. EMBEDDED IN THIS...THERE COULD BE A VERY NARROW BAND WITH 7 TO 10 INCHES OF SNOW. * OTHER IMPACTS...SNOW COVERED ROADS COULD MAKE FOR DIFFICULT TRAVEL IN PORTIONS OF SOUTHERN MINNESOTA...INCLUDING THE INTERSTATE 90 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ FRANKS
2 follow-up statements
425 WWUS43 KMPX 222206 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 406 PM CST WED FEB 22 2012 ...WINTER STORM WATCH FOR PARTS OF SOUTH CENTRAL MINNESOTA THURSDAY... .A WINTER STORM WATCH IS IN EFFECT FOR PARTS OF SOUTH CENTRAL MINNESOTA FROM EARLY THURSDAY MORNING THROUGH LATE THURSDAY AFTERNOON. THE WATCH WAS MAINLY SOUTH AND WEST OF A LINE FROM REDWOOD FALLS TO OWATONNA. A LOW PRESSURE SYSTEM OVER THE NORTHERN ROCKIES...WILL TRACK SOUTHEAST OVER INTO NORTHERN IOWA BY THURSDAY AFTERNOON. THIS SYSTEM WILL BRING A SWATH OF MODERATE TO HEAVY SNOW OVER PORTIONS OF SOUTHERN MINNESOTA BY THURSDAY NIGHT. THERE IS THE POTENTIAL FOR SNOW ACCUMULATIONS OF 6 INCHES OR MORE...MAINLY SOUTH OF INTERSTATE 90 CORRIDOR. LIGHTER AMOUNTS OF SNOW ACCUMULATIONS WILL OCCUR NORTH OF THE MINNESOTA RIVER VALLEY. MNZ054-064-075>078-WIZ026-222315- /O.CAN.KMPX.WS.A.0001.120223T0900Z-120224T0000Z/ LAC QUI PARLE-YELLOW MEDICINE-NICOLLET-LE SUEUR-RICE-GOODHUE- PEPIN- INCLUDING THE CITIES OF...MADISON...GRANITE FALLS...ST. PETER... LE SUEUR...FARIBAULT...RED WING...DURAND...PEPIN 406 PM CST WED FEB 22 2012 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS CANCELLED THE WINTER STORM WATCH. THE NATIONAL WEATHER SERVICE HAS CANCELLED THE WINTER STORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF WEST CENTRAL AND EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE LATEST INDICATIONS IS THAT THE SYSTEM WILL DEVELOP AND TRACK FURTHER TO SOUTH AND WEST OF THIS AREA. $$ MNZ073-074-082>085-091>093-230615- /O.CON.KMPX.WS.A.0001.120223T0900Z-120224T0000Z/ REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN- INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. JAMES... MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA 406 PM CST WED FEB 22 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 3 AM CST THURSDAY THROUGH THURSDAY AFTERNOON... * TIMING...SNOW DEVELOPS EARLY THURSDAY MORNING IN WESTERN MINNESOTA AND SLIDES EAST THROUGHOUT THE REMAINDER OF THE MORNING. * MAIN IMPACT...A BAND OF 4 TO 7 INCHES OF SNOW NEAR AND SOUTH OF A LINE FROM REDWOOD FALLS...TO OWATONNA. * OTHER IMPACTS...SNOW COVERED ROADS COULD MAKE FOR DIFFICULT TRAVEL IN PORTIONS OF SOUTHERN MINNESOTA...INCLUDING THE INTERSTATE 90 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
721 WWUS43 KMPX 230351 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 951 PM CST WED FEB 22 2012 ...SNOW MOVING INTO PARTS OF SOUTH CENTRAL MINNESOTA THURSDAY... .SNOW WILL DEVELOP AND SPREAD OVER PARTS OF SOUTHERN MINNESOTA ON THURSDAY. SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE LIKELY MAINLY SOUTH AND WEST OF THE INTERSTATE 90 CORRIDOR. THE NATIONAL WEATHER SERVICE HAS CANCELLED THE WINTER STORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF SOUTH CENTRAL MINNESOTA...AND HAS REPLACED IT WITH A WINTER WEATHER ADVISORY FOR SNOW. THIS ADVISORY INCLUDES THE COUNTIES OF WATONWAN...MARTIN...FARIBAULT AND FREEBORN. UNTREATED ROADS AND HIGHWAYS WILL BECOME VERY SLIPPERY AND SNOW COVERED. THIS WILL LIKELY MAKE TRAVEL DIFFICULT ESPECIALLY DURING THE DAY ON THURSDAY. A LOW PRESSURE SYSTEM OVER THE NORTHERN ROCKIES...WILL TRACK SOUTHEAST OVER NORTHEAST IOWA BY THURSDAY EVENING. THIS SYSTEM WILL BRING A SWATH OF SNOW TO PARTS OF SOUTHWEST MINNESOTA AND ADJACENT AREAS OF SOUTH DAKOTA AND IOWA BEFORE MOVING OVER THE LOWER GREAT LAKES THURSDAY NIGHT. THE LATEST COMPUTER MODELS AND OBSERVATIONS CONTINUE TO TREND THE WINTER STORM SOUTH THEN PREVIOUS PREDICTIONS. MNZ073-074-083>085-230500- /O.CAN.KMPX.WS.A.0001.120223T0900Z-120224T0000Z/ REDWOOD-BROWN-BLUE EARTH-WASECA-STEELE- INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...MANKATO... WASECA...OWATONNA 951 PM CST WED FEB 22 2012 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS CANCELLED THE WINTER STORM WATCH. THE LATEST COMPUTER MODELS AND OBSERVATIONS CONTINUE TO TREND THE WINTER STORM SOUTH THEN PREVIOUS PREDICTIONS. THE WATCH HAS BEEN REPLACED WITH A WINTER WEATHER ADVISORY FOR PARTS OF SOUTH CENTRAL MINNESOTA...MAINLY SOUTH OF A LINE FROM SAINT JAMES TO ALBERT LEA. $$ MNZ082-091>093-231200- /O.UPG.KMPX.WS.A.0001.120223T0900Z-120224T0000Z/ /O.NEW.KMPX.WW.Y.0004.120223T1200Z-120224T0000Z/ WATONWAN-MARTIN-FARIBAULT-FREEBORN- INCLUDING THE CITIES OF...ST. JAMES...FAIRMONT...BLUE EARTH... ALBERT LEA 951 PM CST WED FEB 22 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW DEVELOPS IN THE MORNING...AND CONTINUING THROUGHOUT MUCH OF THE DAY. * MAIN IMPACT...A BAND OF 4 TO 6 INCHES OF SNOW...MAINLY SOUTH OF A LINE FROM SAINT JAMES TO ALBERT LEA. * OTHER IMPACTS...SNOW COVERED ROADS COULD MAKE FOR DIFFICULT TRAVEL IN PORTIONS OF SOUTHERN MINNESOTA...INCLUDING THE INTERSTATE 90 CORRIDOR. 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. $$
Nearby
Winter Storm Watches in Minnesota, 2012Winter Storm Watches in Wisconsin, 2012Every winter storm watch in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.