Alert archive / Minnesota / Winter Storm Watches in 2013
Winter Storm Watch 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter storm watch at Apr 9, 2013, 4:54 PM CDT for 6 counties in Minnesota. It took effect at Apr 10, 2013, 4:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 9, 2013, 4:54 PM CDT (21:54 UTC)
- In effect from
- Apr 10, 2013, 4:00 PM CDT
- Expired
- Apr 10, 2013, 12:42 PM CDT
- In force
- Issued by
- NWS Twin Cities, MN
Counties Benton County, MN, Douglas County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 131 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
- 671 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
515 WWUS43 KMPX 092154 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 454 PM CDT TUE APR 9 2013 ...LONG DURATION WINTER STORM WITH TWO ROUNDS OF WINTRY PRECIPITATION TONIGHT THROUGH THURSDAY... .A POWERFUL STORM SYSTEM WILL PRODUCE A COUPLE ROUNDS OF WINTRY PRECIPITATION OVER THE NEXT COUPLE OF DAYS. THE FIRST ROUND OF PRECIPITATION SHOULD ARRIVE LATE TONIGHT IN THE FORM OF A WINTRY MIX OF RAIN...FREEZING RAIN AND SLEET ACROSS MOST OF SOUTHERN MINNESOTA AND WESTERN WISCONSIN. MORE SNOW IS POSSIBLE ACROSS CENTRAL MINNESOTA...HOWEVER...SNOW TOTALS WILL BE LIGHT TONIGHT AND THROUGH THE FIRST HALF OF WEDNESDAY. THE WINTRY MIX COULD CREATE SOME SLICK SPOTS FOR THE WEDNESDAY MORNING COMMUTE. A SECOND MUCH MORE SIGNIFICANT ROUND OF WINTER WEATHER IS EXPECTED LATE WEDNESDAY AFTERNOON INTO THURSDAY AFTERNOON. ALTHOUGH THERE STILL COULD BE A MIX OF SLEET...RAIN AND SNOW IN SOUTHERN MINNESOTA AT TIMES LATE WEDNESDAY...MANY LOCATIONS WILL MAKE THE CHANGE OVER TO MODERATE OR HEAVY SNOW WEDNESDAY NIGHT. SNOWFALL ACCUMULATIONS OF 10 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 14 OR 15 INCHES ARE EXPECTED IN A BAND CENTERED ALONG A LINE FROM REDWOOD FALLS...TO THE TWIN CITIES METRO...TO LADYSMITH IN WISCONSIN. SNOW TOTALS WILL DROP OFF TO THE NORTH AND SOUTH OF THIS HEAVY BAND TO JUST 4 TO 6 INCHES BY THE TIME YOU GET TO ALEXANDRIA AND LITTLE FALLS AND PERHAPS AS LITTLE AS 3 TO 5 INCHES NEAR THE IOWA AND MINNESOTA BORDER. LOCATIONS IN SOUTH CENTRAL MINNESOTA SHOULD END UP WITH MORE SLEET AND FREEZING RAIN. MNZ041>045-050-100600- /O.CAN.KMPX.WW.Y.0019.130410T0000Z-130411T1800Z/ /O.NEW.KMPX.WS.A.0009.130410T2100Z-130412T0000Z/ DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-BENTON- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE... LITTLE FALLS...PRINCETON...MORA...FOLEY 454 PM CDT TUE APR 9 2013 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. * TIMING: SNOW IS EXPECTED TO PICK UP IN INTENSITY WEDNESDAY NIGHT AND LINGER WELL INTO THURSDAY. * SNOWFALL TOTALS: 4 TO 8 INCHES. * MAIN IMPACTS: HEAVY SNOW COULD MAKE TRAVEL DIFFICULT. 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. && $$ MNZ074>077-082>085-100600- /O.UPG.KMPX.WW.Y.0019.130410T0000Z-130411T1800Z/ /O.EXB.KMPX.WS.W.0007.130410T0600Z-130412T0000Z/ BROWN-NICOLLET-LE SUEUR-RICE-WATONWAN-BLUE EARTH-WASECA-STEELE- INCLUDING THE CITIES OF...NEW ULM...ST. PETER...LE SUEUR... FARIBAULT...ST. JAMES...MANKATO...WASECA...OWATONNA 454 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WARNING FOR MIXED PRECIPITATION...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING: TWO ROUNDS OF WINTRY PRECIPITATION EXPECTED...WITH THE FIRST ARRIVING TONIGHT IN THE FORM OF RAIN...FREEZING RAIN AND SLEET AND LINGERING INTO WEDNESDAY MORNING. THERE WILL BE A BREAK ON WEDNESDAY AND THEN ANOTHER MORE SIGNIFICANT ROUND OF SLEET AND SNOW IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY. * SNOWFALL TOTALS: 4 TO 8 INCHES. * ICE TOTALS: AROUND A TENTH OF AN INCH. * MAIN IMPACTS: THE COMBINATION OF SNOW/SLEET/FREEZING RAIN WILL MAKE TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ078-WIZ014>016-023>028-100600- /O.UPG.KMPX.WW.Y.0019.130410T0600Z-130412T0000Z/ /O.EXB.KMPX.WS.W.0007.130410T0600Z-130412T0000Z/ GOODHUE-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA- EAU CLAIRE- INCLUDING THE CITIES OF...RED WING...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...HUDSON...NEW RICHMOND... RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND... PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 454 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WARNING FOR MIXED PRECIPITATION FOLLOWED BY HEAVY SNOW...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TWO ROUNDS OF WINTRY PRECIPITATION EXPECTED...WITH THE FIRST ARRIVING TONIGHT IN THE FORM OF RAIN...FREEZING RAIN AND SLEET AND LINGERING INTO WEDNESDAY MORNING. THERE WILL BE A BREAK ON WEDNESDAY AND THEN ANOTHER MORE SIGNIFICANT ROUND OF SLEET AND SNOW IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY. * SNOWFALL TOTALS: 6 TO 12 INCHES...LOCALLY HIGHER AMOUNTS POSSIBLE. * ICE TOTALS: AROUND A TENTH OF AN INCH. * MAIN IMPACTS: THE COMBINATION OF HEAVY SNOW/SLEET/FREEZING RAIN WILL MAKE TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ091>093-100600- /O.EXB.KMPX.WS.W.0007.130410T0600Z-130412T0000Z/ MARTIN-FARIBAULT-FREEBORN- INCLUDING THE CITIES OF...FAIRMONT...BLUE EARTH...ALBERT LEA 454 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WARNING FOR A WINTRY MIX OF PRECIPITATION...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY. * TIMING: TWO ROUNDS OF WINTRY PRECIPITATION EXPECTED...WITH THE FIRST ARRIVING TONIGHT IN THE FORM OF RAIN...FREEZING RAIN AND SLEET AND LINGERING INTO WEDNESDAY MORNING. THERE WILL BE A BREAK ON WEDNESDAY AND THEN ANOTHER MORE SIGNIFICANT ROUND OF SLEET AND SNOW IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY. * SNOWFALL TOTALS: 4 TO 7 INCHES. * MAIN IMPACTS: TRAVEL WILL BE HAZARDOUS. * OTHER IMPACTS: HEAVY WET SNOW OR ICING MAY CAUSE LOCALIZED POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ047>049-054>058-064-065-073-100600- /O.EXT.KMPX.WS.W.0007.000000T0000Z-130412T0000Z/ STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI- MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD- INCLUDING THE CITIES OF...MORRIS...GLENWOOD...ST. CLOUD... MADISON...BENSON...MONTEVIDEO...WILLMAR...LITCHFIELD... GRANITE FALLS...OLIVIA...REDWOOD FALLS 454 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 PM CDT THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 7 PM CDT THURSDAY. * TIMING: SNOW WILL CONTINUE THIS AFTERNOON...AND LAST THROUGH THURSDAY MORNING. THE HEAVIEST SNOW WILL BE WEDNESDAY NIGHT. * SNOWFALL TOTALS: 8 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS. * MAIN IMPACTS: TRAVEL WILL BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ051>053-059>063-066>070-100600- /O.EXT.KMPX.WS.W.0007.130410T0000Z-130412T0000Z/ SHERBURNE-ISANTI-CHISAGO-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON- MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA- INCLUDING THE CITIES OF...ELK RIVER...CAMBRIDGE...CENTER CITY... MONTICELLO...MINNEAPOLIS...BLAINE...ST. PAUL...STILLWATER... HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...BURNSVILLE 454 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT THURSDAY. * TIMING: A WINTRY MIX WILL CHANGE OVER TO SNOW LATE WEDNESDAY. THE HEAVIEST SNOW WILL BE EARLY THURSDAY MORNING. * SNOWFALL TOTALS: 8 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS. * ICE TOTALS: LESS THAN A TENTH OF INCH. * MAIN IMPACTS: THE COMBINATION OF HEAVY SNOW AND SLEET WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ CLF/BORGHOFF/JRB
3 follow-up statements
468 WWUS43 KMPX 100257 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 957 PM CDT TUE APR 9 2013 ...LONG DURATION WINTER STORM WITH TWO ROUNDS OF WINTRY PRECIPITATION TONIGHT THROUGH THURSDAY... .A POWERFUL STORM SYSTEM WILL PRODUCE A COUPLE ROUNDS OF WINTRY PRECIPITATION OVER THE NEXT COUPLE OF DAYS. THE FIRST ROUND OF PRECIPITATION WILL ARRIVE LATE TONIGHT IN THE FORM OF A WINTRY MIX OF RAIN...FREEZING RAIN AND SLEET ACROSS MOST OF SOUTHERN MINNESOTA AND WESTERN WISCONSIN. MORE SNOW IS POSSIBLE ACROSS CENTRAL MINNESOTA. HOWEVER...SNOW TOTALS WILL BE LIGHT TONIGHT AND THROUGH THE FIRST HALF OF WEDNESDAY. THE WINTRY MIX COULD CREATE SOME SLICK SPOTS FOR THE WEDNESDAY MORNING COMMUTE. A SECOND MUCH MORE SIGNIFICANT ROUND OF WINTER WEATHER IS EXPECTED LATE WEDNESDAY AFTERNOON INTO THURSDAY AFTERNOON. ALTHOUGH THERE STILL COULD BE A MIX OF SLEET...RAIN AND SNOW IN SOUTHERN MINNESOTA AT TIMES LATE WEDNESDAY...MANY LOCATIONS WILL MAKE THE CHANGE OVER TO MODERATE OR HEAVY SNOW WEDNESDAY NIGHT. SNOWFALL ACCUMULATIONS OF 10 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 14 OR 15 INCHES ARE EXPECTED IN A BAND CENTERED ALONG A LINE FROM REDWOOD FALLS...TO THE TWIN CITIES METRO...TO LADYSMITH IN WISCONSIN. SNOW TOTALS WILL DROP OFF TO THE NORTH AND SOUTH OF THIS HEAVY BAND TO JUST 4 TO 6 INCHES NEAR ALEXANDRIA AND LITTLE FALLS AND PERHAPS AS LITTLE AS 3 TO 5 INCHES NEAR THE IOWA AND MINNESOTA BORDER. LOCATIONS IN SOUTH CENTRAL MINNESOTA SHOULD END UP WITH MORE SLEET AND FREEZING RAIN. MNZ047>049-051>070-073-101100- /O.CON.KMPX.WS.W.0007.000000T0000Z-130412T0000Z/ STEVENS-POPE-STEARNS-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT- CHIPPEWA-KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON- YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA- REDWOOD- INCLUDING THE CITIES OF...MORRIS...GLENWOOD...ST. CLOUD... ELK RIVER...CAMBRIDGE...CENTER CITY...MADISON...BENSON... MONTEVIDEO...WILLMAR...LITCHFIELD...MONTICELLO...MINNEAPOLIS... BLAINE...ST. PAUL...STILLWATER...GRANITE FALLS...OLIVIA... HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...BURNSVILLE... REDWOOD FALLS 957 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. * TIMING: A WINTRY MIX WILL CHANGE OVER TO SNOW BY LATE AFTERNOON WEDNESDAY. THE HEAVIEST SNOW WILL BE LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING. * SNOWFALL TOTALS: 8 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS. * ICE TOTALS: LESS THAN A TENTH OF AN INCH. * MAIN IMPACTS: TRAVEL WILL BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ074>078-082>085-091>093-WIZ014>016-023>028-101100- /O.CON.KMPX.WS.W.0007.130410T0600Z-130412T0000Z/ BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA- STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK-ST. CROIX- PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...NEW ULM...ST. PETER...LE SUEUR... FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA... FAIRMONT...BLUE EARTH...ALBERT LEA...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...HUDSON...NEW RICHMOND... RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND... PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 957 PM CDT TUE APR 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY. * TIMING: TWO ROUNDS OF WINTRY PRECIPITATION EXPECTED...WITH THE FIRST ARRIVING TONIGHT IN THE FORM OF RAIN...FREEZING RAIN AND SLEET AND LINGERING INTO WEDNESDAY MORNING. THERE WILL BE A BREAK ON WEDNESDAY AND THEN ANOTHER MORE SIGNIFICANT ROUND OF SLEET AND SNOW IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY. * SNOWFALL TOTALS: 5 TO 10 INCHES. * ICE TOTALS: AROUND A TENTH OF AN INCH. * MAIN IMPACTS: TRAVEL WILL BE HAZARDOUS. * OTHER IMPACTS: HEAVY WET SNOW OR ICING MAY CAUSE LOCALIZED POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ041>045-050-101100- /O.CON.KMPX.WS.A.0009.130410T2100Z-130412T0000Z/ DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-BENTON- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE... LITTLE FALLS...PRINCETON...MORA...FOLEY 957 PM CDT TUE APR 9 2013 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING. * TIMING: SNOW IS EXPECTED TO PICK UP IN INTENSITY WEDNESDAY NIGHT AND LINGER WELL INTO THURSDAY. * SNOWFALL TOTALS: 4 TO 8 INCHES. * MAIN IMPACTS: HEAVY SNOW COULD MAKE TRAVEL DIFFICULT. 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. && $$
529 WWUS43 KMPX 100934 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 434 AM CDT WED APR 10 2013 ...LONG DURATION WINTER STORM TO BRING MORE WINTRY PRECIPITATION THIS AFTERNOON THROUGH THURSDAY... .A POWERFUL STORM SYSTEM WILL BRING ANOTHER ROUND OF WINTRY PRECIPITATION IN LATE THIS AFTERNOON THAT WILL LAST THROUGH THURSDAY. THE MOST SIGNIFICANT PART OF THIS STORM IS EXPECTED FROM TONIGHT THROUGH THURSDAY MORNING....WHEN SNOWFALL RATES AT TIMES COULD EXCEED 2 INCHES PER HOUR. BY TONIGHT...PRECIPITATION IS EXPECTED TO TRANSITION TO SNOW NORTHWEST OF A FAIRMONT...TO RED WING...TO CHIPPEWA FALLS LINE. A MIX OF FREEZING RAIN...SLEET AND SNOW IS EXPECTED ALONG AND SOUTHEAST OF THIS LINE. THIS WINTER STORM WILL HAVE SIGNIFICANT IMPACTS ON THE COMMUTE THURSDAY MORNING. SNOWFALL ACCUMULATIONS OF 10 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 14 OR 15 INCHES ARE EXPECTED IN A BAND CENTERED ALONG A LINE FROM REDWOOD FALLS...TO THE TWIN CITIES METRO...TO LADYSMITH IN WISCONSIN. SNOW TOTALS WILL DROP OFF TO THE NORTH AND SOUTH OF THIS HEAVY BAND TO JUST 4 TO 6 INCHES NEAR ALEXANDRIA AND LITTLE FALLS AND PERHAPS AS LITTLE AS 3 TO 5 INCHES NEAR THE IOWA AND MINNESOTA BORDER. LOCATIONS IN SOUTH CENTRAL MINNESOTA SHOULD END UP WITH MORE SLEET AND FREEZING RAIN...WITH THE POTENTIAL FOR ICE ACCUMULATIONS GREATER THAN A TENTH OF AN INCH POSSIBLE ALONG THE I-90 CORRIDOR. MNZ044-045-050-101745- /O.UPG.KMPX.WS.A.0009.130410T2100Z-130412T0000Z/ /O.EXA.KMPX.WS.W.0007.000000T0000Z-130412T0000Z/ MILLE LACS-KANABEC-BENTON- INCLUDING THE CITIES OF...PRINCETON...MORA...FOLEY 434 AM CDT WED APR 10 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 7 PM CDT THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING: SNOW IS EXPECTED TO PICK UP IN INTENSITY WEDNESDAY NIGHT AND LINGER WELL INTO THURSDAY. * SNOWFALL TOTALS: 6 TO 8 INCHES. * MAIN IMPACTS: HEAVY SNOW COULD MAKE TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ047>049-051>070-073>078-082>085-091>093-WIZ014>016-023>028- 101745- /O.CON.KMPX.WS.W.0007.000000T0000Z-130412T0000Z/ STEVENS-POPE-STEARNS-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT- CHIPPEWA-KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON- YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA- REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE- INCLUDING THE CITIES OF...MORRIS...GLENWOOD...ST. CLOUD... ELK RIVER...CAMBRIDGE...CENTER CITY...MADISON...BENSON... MONTEVIDEO...WILLMAR...LITCHFIELD...MONTICELLO...MINNEAPOLIS... BLAINE...ST. PAUL...STILLWATER...GRANITE FALLS...OLIVIA... HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...BURNSVILLE... REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT... RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT... BLUE EARTH...ALBERT LEA...AMERY...BALSAM LAKE...RICE LAKE... BARRON...LADYSMITH...HUDSON...NEW RICHMOND...RIVER FALLS... PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND...PEPIN... CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 434 AM CDT WED APR 10 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. * TIMING: A WINTRY MIX WILL CHANGE OVER TO SNOW BY LATE AFTERNOON WEDNESDAY. THE HEAVIEST SNOW WILL BE LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING. * SNOWFALL TOTALS: 8 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS. * ICE TOTALS: GREATER THAN A TENTH OF AN INCH POSSIBLE IN SOUTH CENTRAL MINNESOTA. LITTLE OR NO ACCUMULATIONS EXPECTED ELSEWHERE. * MAIN IMPACTS: TRAVEL WILL BECOME HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ041>043-101745- /O.CON.KMPX.WS.A.0009.130410T2100Z-130412T0000Z/ DOUGLAS-TODD-MORRISON- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE... LITTLE FALLS 434 AM CDT WED APR 10 2013 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING. * TIMING: SNOW IS EXPECTED TO PICK UP IN INTENSITY WEDNESDAY NIGHT AND LINGER WELL INTO THURSDAY. * SNOWFALL TOTALS: 4 TO 8 INCHES. * MAIN IMPACTS: HEAVY SNOW COULD MAKE TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
415 WWUS43 KMPX 101742 WSWMPX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1242 PM CDT WED APR 10 2013 ...LONG DURATION SIGNIFICANT WINTER STORM TO BRING MORE HEAVY WINTRY PRECIPITATION THIS AFTERNOON THROUGH AT LEAST THURSDAY... .A POWERFUL STORM SYSTEM WILL BRING IN THE MAIN ROUND OF WINTRY PRECIPITATION LATE THIS AFTERNOON THAT WILL LAST THROUGH AT LEAST THURSDAY. THE MOST SIGNIFICANT PART OF THIS STORM IS EXPECTED FROM THIS EVENING THROUGH EARLY THURSDAY MORNING...WHEN SNOWFALL RATES WILL EXCEED AN INCH PER HOUR AT TIMES. ISOLATED THUNDERSTORMS CAN ALSO BE EXPECTED...WHICH WOULD LEAD TO EVEN GREATER SNOW RATES OF 2 INCHES OR MORE PER HOUR. A MIX OF WINTRY PRECIPITATION WILL BEGIN LATE THIS AFTERNOON ACROSS SOUTHERN MINNESOTA AND SPREAD NORTH GRADUALLY THROUGH THE EVENING. PRECIPITATION IS EXPECTED TO TRANSITION TO SNOW NORTHWEST OF A FAIRMONT...TO THE SOUTHEASTERN TWIN CITIES METRO...TO RICE LAKE LINE EARLY THIS EVENING. A MIX OF FREEZING RAIN...SLEET AND SOME SNOW IS EXPECTED SOUTHEAST OF THIS LINE...GRADUALLY TURNING TO ALL SNOW BY LATE THURSDAY MORNING. THIS WINTER STORM WILL HAVE SIGNIFICANT IMPACTS ON THE THURSDAY MORNING COMMUTE. SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE EXPECTED IN A BAND CENTERED ALONG A LINE FROM REDWOOD FALLS...TO ST CLOUD AND THE TWIN CITIES METRO...TO RICE LAKE WISCONSIN. SOME LOCATIONS... ESPECIALLY THOSE THAT RECEIVE THUNDERSNOW...COULD SEE HIGHER TOTALS OF 12 TO 15 INCHES. SNOW TOTALS WILL DROP OFF TO THE NORTH AND SOUTH OF THIS HEAVY BAND TO 6 TO 8 INCHES NEAR ALEXANDRIA AND LITTLE FALLS...AND PERHAPS AS LITTLE AS 2 TO 5 INCHES NEAR ALBERT LEA AND EAU CLAIRE WHERE A MIX OF FREEZING RAIN AND SLEET IS EXPECTED TO PERSIST THE LONGEST. ICE ACCUMULATIONS THERE MAY ALSO REACH BETWEEN A TENTH AND A QUARTER OF AN INCH. OCCASIONAL LIGHT SNOW IS LIKELY TO CONTINUE INTO FRIDAY MORNING ACROSS MUCH OF THE AREA...WITH AN ADDITIONAL INCH OR TWO POSSIBLE MAINLY ACROSS EASTERN MINNESOTA AND WESTERN WISCONSIN. MNZ041>043-110145- /O.UPG.KMPX.WS.A.0009.130410T2100Z-130412T0000Z/ /O.EXB.KMPX.WS.W.0007.130411T0600Z-130412T0000Z/ DOUGLAS-TODD-MORRISON- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE... LITTLE FALLS 1242 PM CDT WED APR 10 2013 ...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 AM TO 7 PM CDT THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING: SNOW IS EXPECTED BEGIN AROUND MIDNIGHT AND BECOME HEAVY AT TIMES THROUGH THURSDAY MORNING. LIGHT SNOW WILL CONTINUE INTO THURSDAY NIGHT. * SNOWFALL TOTALS: 6 TO 8 INCHES. * MAIN IMPACTS: HEAVY SNOW COULD MAKE TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ044-045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 110145- /O.CON.KMPX.WS.W.0007.000000T0000Z-130412T0000Z/ MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-BENTON-SHERBURNE-ISANTI- CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-WRIGHT- HENNEPIN-ANOKA-RAMSEY-WASHINGTON-YELLOW MEDICINE-RENVILLE-MCLEOD- SIBLEY-CARVER-SCOTT-DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE- GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE- INCLUDING THE CITIES OF...PRINCETON...MORA...MORRIS...GLENWOOD... ST. CLOUD...FOLEY...ELK RIVER...CAMBRIDGE...CENTER CITY... MADISON...BENSON...MONTEVIDEO...WILLMAR...LITCHFIELD... MONTICELLO...MINNEAPOLIS...BLAINE...ST. PAUL...STILLWATER... GRANITE FALLS...OLIVIA...HUTCHINSON...GAYLORD...CHASKA... SHAKOPEE...BURNSVILLE...REDWOOD FALLS...NEW ULM...ST. PETER... LE SUEUR...FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA... OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA...AMERY... BALSAM LAKE...RICE LAKE...BARRON...LADYSMITH...HUDSON... NEW RICHMOND...RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE... DURAND...PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 1242 PM CDT WED APR 10 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. * TIMING: A MIX OF WINTRY PRECIPITATION WILL BEGIN LATE THIS AFTERNOON ACROSS SOUTHERN MINNESOTA AND SPREAD NORTH GRADUALLY THROUGH THE EVENING. PRECIPITATION IS EXPECTED TO TRANSITION TO SNOW NORTHWEST OF A FAIRMONT...TO THE SOUTHEASTERN TWIN CITIES METRO...TO RICE LAKE LINE BY MID EVENING. A MIX OF FREEZING RAIN...SLEET AND SOME SNOW IS EXPECTED SOUTHEAST OF THIS LINE...GRADUALLY TURNING TO ALL SNOW BY LATE THURSDAY MORNING. * SNOWFALL TOTALS: 7 TO 12 INCHES NORTH OF A LINE FROM ALBERT LEA TO LADYSMITH. THE HIGHEST AMOUNTS ARE LIKELY TO FALL FROM AROUND REDWOOD FALLS TO ST CLOUD AND THE TWIN CITIES. LOCALIZED TOTALS OF 12 TO 15 INCHES ARE POSSIBLE IN THAT AREA. SNOW AMOUNTS WILL QUICKLY TAPER OFF TO THE SOUTH OF THAT LINE TO THE 2 TO 5 INCH RANGE. * ICE TOTALS: BETWEEN A TENTH AND A QUARTER OF AN INCH ALONG AND SOUTH OF A LINE FROM ALBERT LEA TO LADYSMITH. LITTLE OR NO ICE IS EXPECTED ELSEWHERE. * MAIN IMPACTS: HEAVY WINTRY PRECIPITATION WILL MAKE TRAVEL DIFFICULT THROUGH THURSDAY.. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS COULD MAKE TRAVEL VERY HAZARDOUS. && $$ BORGHOFF
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before this winter storm watch went out at Apr 9, 4:42 PM CDT, 12 minutes earlier.
Area forecast discussion, Apr 9, 4:42 PM CDT, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
442 PM CDT TUE APR 9 2013
.SHORT TERM...(THIS EVENING THROUGH WEDNESDAY)
ISSUED AT 431 PM CDT TUE APR 9 2013
A VERY COMPLEX WINTER STORM WILL ENCOMPASS THE ENTIRE SHORT TERM AND
SIGNIFICANT CHANGES HAVE BEEN MADE TO THE FORECAST. MULTIPLE ROUNDS
OF PRECIPITATION AND DIFFERING PRECIP TYPES THROUGH WEDNESDAY
EVENING ARE THE MAIN FORECAST CONCERNS. THIS COULD END UP BEING THE
HEAVIEST SNOW PRODUCER OF THE SEASON FOR MUCH OF THE FORECAST AREA.
A TREMENDOUS TEMPERATURE GRADIENT HAS SET UP SOUTH OF THE AREA TODAY
WITH LOWER 80S BEING REPORTED AS CLOSE AS SERN IA. AMPLE AMOUNTS OF
MOISTURE...AS EVIDENT WITH WIDESPREAD SURFACE DEW POINTS NEAR 60 IN
THE WARM SECTOR...WILL CONTINUE STREAMING NORTH UP AND OVER THE
REINFORCING BOUNDARY LAYER COLD SECTOR THROUGH WEDNESDAY NIGHT. THIS
WILL SET UP AN IDEAL HEAVY WINTRY PRECIP SCENARIO SPANNING MULTIPLE
PERIODS.
THE PRECIP HAS ENDED FOR THE DAY ACROSS THE CWA AND THE LULL IS
EXPECTED TO CONTINUE INTO THE EARLY EVENING. THE NEXT ROUND IS
ORGANIZING AS A BATCH OF THUNDERSTORMS OVER EASTERN NEBRASKA THIS
AFTERNOON WHICH WILL ADVANCE NEWD ACROSS SRN MN/WRN WI DURING THE
LATE EVENING. WHILE THE THUNDERSTORM ACTIVITY WILL WANE THIS
EVENING...THERE IS A VERY HIGH PROBABILITY FOR PRECIPITATION ACROSS
SRN MN AND WRN WI. LOW LEVEL DRY AIR TO THE NORTH SHOULD LARGELY
PREVENT PRECIP FROM REACHING AREAS SUCH AS ALEXANDRIA AND LAKE MILLE
LACS. THUS...CANCELLED THE WINTER WEATHER ADVISORY FOR THOSE AREAS.
LOOKS LIKE MAINLY RAIN/FREEZING RAIN AND SLEET FROM NEW ULM/
LAKEVILLE/MENOMONIE ON SOUTHWARD DUE TO PRONOUNCED WARM LAYER
AROUND 700 MB. BY THE TIME ONE REACHES MSP/RWF/RNH...THE WARM
LAYER IS MUCH LESS INFLUENTIAL AND IT APPEARS TO BE MAINLY SNOW
TONIGHT...PERHAPS MIXED AT TIMES WITH A LITTLE SLEET THROUGH THE
EARLY OVERNIGHT AS THE THERMAL PROFILE TOUCHES 0C OR 1C. EVEN
FURTHER NORTH...THE WARM LAYER IS COMPLETELY ABSENT AND EXPECTING
ALL SNOW THERE. BECAUSE THE MAJORITY OF PRECIP WILL FALL WHERE A
MIX IS EXPECTED...NOT ANTICIPATING TOO MUCH ACCUMULATION OF ONE
ELEMENT BUT AN INCH OR TWO OF SNOW WILL BE POSSIBLE NORTH OF NEW
ULM...LAKEVILLE...AND MENOMONIE. IN ADDITION TO SOME SLEET
ACCUMULATIONS...COULD ALSO SEE A TENTH OR TWO OF ICE SOUTH OF
MANKATO...ALBEIT MAINLY ON ELEVATED SURFACES. THUS...EXPANDED THE
WINTER STORM WARNING SOUTH TO THE IOWA BORDER AND ACROSS INTO WI
LATE TONIGHT.
ANOTHER LULL WILL FOLLOW THAT PRECIPITATION ROUND WEDNESDAY MORNING
INTO EARLY AFTERNOON UNTIL THE SLOW MOVING 500 MB LOW OVER THE
WESTERN HIGH PLAINS CLOSES OFF AND EJECTS INTO THE CENTRAL PLAINS.
THIS WILL SEND ANOTHER WAVE NORTHWARD WEDNESDAY AFTERNOON WITH
WIDESPREAD PRECIPITATION REDEVELOPING DURING THIS TIME. AS THE
SURFACE LOW BECOMES NEGATIVELY TILTED WITH THE APPROACH OF THE UPPER
LOW...THE WARM CONVEYOR BELT WILL WRAP AROUND TO THE NORTH OF THE
SURFACE LOW IN THE FORM OF A VERY WELL DEVELOPED TROWAL BY WEDNESDAY
NIGHT. NEGATIVE EPV WITHIN THE TROWAL AND AN EXCELLENT CROSS HAIRS
SIGNATURE AT 500 MB WILL ALLOW FOR A LARGE AND WELL ESTABLISHED
MDT-HVY SNOW BAND WHICH WILL PIVOT ACROSS THE CENTRAL CWA /INCLUDING
THE TWIN CITIES METRO/ WEDNESDAY NIGHT. ACCUMULATIONS WITHIN THIS
BAND WILL RANGE FROM 4 TO 8 INCHES WEDNESDAY NIGHT...BUT LOCALLY
HIGHER TOTALS CAN BE EXPECTED IF THUNDERSNOW IS ABLE TO DEVELOP AS
CURRENTLY APPEARS POSSIBLE.
GIVEN THE LONG DURATION EVENT AND A COUPLE LULLS...FELT IT WAS
EASIER FOR EVERYONE AND LESS CONFUSING JUST TO BLANKET THE AREA WITH
A WINTER STORM WARNING. HOISTED A WINTER STORM WATCH FOR THE FAR
NORTHERN COUNTIES BORDERING WFO DLH AS THERE WILL LIKELY BE A TIGHT
GRADIENT BETWEEN SIGNIFICANT SNOWFALL AND LIGHT ACCUMULATIONS
SOMEWHERE NEARBY.
.LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY)
ISSUED AT 431 PM CDT TUE APR 9 2013
THE WINTER STORM WILL BE AT ITS HEIGHT ACROSS THE UPPER MIDWEST
BY THURSDAY MORNING. THE JET STREAK CURRENTLY LOCATED ALONG THE
WESTERN SPINE OF THE ROCKY MOUNTAINS UPSTREAM OF THE LONGWAVE
TROUGH WILL ROUND THE BASE OF THE TROUGH BY THURSDAY MORNING. THE
STRIP OF POSITIVE VORTICITY WILL CONGEAL INTO A DEEPENING H500
LOW...WITH +10M/HR HEIGHT FALLS OVERSPREADING THE UPPER MIDWEST
THURSDAY MORNING. THIS LARGE SCALE FORCING FOR ASCENT CAN ALSO BE
VIEW BY THE H500-300 QVECT CONVERGENCE...WHICH IS MAXIMIZED OVER
THE MN/WI BORDER AT 12Z THURSDAY. A CLOSER LOOK AT THE 310 THETA_E
SURFACE WITH RESPECT TO PRESSURE REVEALS THE PREVIOUSLY MENTIONED
TROWAL ORIENTED ALONG THE I-94 CORRIDOR...WHICH WILL PIVOT ACROSS
THE REGION AS IT LIFTS NORTHWARD THROUGHOUT THE DAY. CROSS
SECTIONS THROUGH THIS REGION IDENTIFY A DEEP AREA OF
FRONTOGENESIS...WHICH EXPLAINS THE HIGH OMEGA VALUES SHOWN IN THE
FORECAST SOUNDINGS. LONG STORY SHORT...EXPECTING A HEAVY BAND OF
SNOW TO BE ONGOING ACROSS THE REGION AT THE START OF THE
PERIOD...WITH SOME SLEET POSSIBLE ACROSS THE FAR SOUTHEAST. BUFR
SOUNDINGS FROM THE 09.12 NAM SHOW ELEVATED INSTABILITY...SO MAY
SEE SOME UPRIGHT CONVECTION EARLY THURSDAY MORNING. THE NAM IS THE
MOST ROBUST WITH QPF...BUT IT HAS ALSO DONE THE BEST WITH THE
PREVIOUS INVERTED TROUGH EVENTS THIS YEAR...SO CANT RULE ITS
SOLUTION OUT. EVEN THE ECMWF 09.12 HAS 0.9 INCHES OF QPF WEDNESDAY
EVENING THROUGH THURSDAY...WHICH MATCHES UP WITH THE MEAN TOTAL
QPF FROM THE MSP SREF PLUMES. SNOW RATIOS WILL BE AROUND
10/12:1...BUT WILL ALSO SEE COMPACTION THROUGHOUT THE EVENT.
THEREFORE THE TOTAL SNOW AMOUNT WILL LIKELY NOT BE REALIZED BY THE
CASUAL OBSERVER...BUT STILL ANTICIPATING WIDESPREAD 8-12 INCH
AMOUNTS FROM REDWOOD FALLS MN TO THE METRO UP THROUGH RICE LAKE WI
BY THE TIME THE SNOW TAPERS OFF THURSDAY NIGHT.
LOOKING AHEAD...H850 TEMPS REMAIN BELOW 0C THROUGH THE WEEKEND WITH
RAGGED NORTHWEST FLOW KEEPING FRIDAYS TEMPERATURES ROUGHLY 15F BELOW
THE SEASONAL AVERAGE FOR MID APRIL. LATE SATURDAY ANOTHER POWERFUL
JET WILL CRASH ONSHORE AND DEVELOP ANOTHER LEE SIDE CYCLONE ACROSS
THE HIGH PLAINS. AS THIS WAVE TAKES ON A NEGATIVE TILT THE SURFACE
CYCLONE WILL DEEPEN AND ANOTHER BAND OF HEAVY SNOW WILL DEVELOP ON
THE NORTHERN SIDE. THE GFS IS FARTHER SOUTH THAN THE ECMWF...BUT
BOTH SOLUTIONS SHOW ANOTHER WIDESPREAD PRECIP EVENT FOR SUNDAY...AND
COLD WEATHER RETURNING FOR EARLY NEXT WEEK.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY AFTERNOON)
ISSUED AT 122 PM CDT TUE APR 9 2013
TRICKY AVIATION FORECAST FOR THE NEXT 24 TO 30 HOURS AS MULTIPLE
ROUNDS OF PRECIP BRING DIFFERING TYPES OF WX AND CIGS/VSBYS.
CURRENTLY ANTICIPATE THE SNOW TYPE ALONG AND NORTHWEST OF RWF TO
STC TO BE IN THE FORM OF SNOW...WITH RAIN AND SOME SLEET MIXED TO
THE SOUTHEAST. A LULL THIS AFTERNOON WILL GIVE WAY TO ANOTHER
ROUND THIS EVENING AND PRECIP WILL TRANSITION TO MAINLY SNOW AT MSP/RNH
BETWEEN 04-06Z AND EAU AROUND 10Z. ANOTHER LULL IS EXPECTED
WEDNESDAY MORNING. CIGS ARE HIGHLY VARIABLE...RANGING FROM VFR TO
IFR...BUT AS THE PRECIP CONTINUES TO DIMINISH THIS AFTERNOON
EXPECT CIGS TO IMPROVE A BIT.
KMSP...FIRST ROUND IS JUST ABOUT DONE WITH ONLY A FEW SHOWERS
LINGERING INTO THE EARLY EVENING. ANOTHER ROUND WILL ARRIVE LATE
THIS EVENING AND SHOULD BE MOSTLY IN THE FORM OF SNOW...WITH
PERHAPS A LITTLE SLEET ALSO MIXING IN INITIALLY. MAINLY VFR
CIGS/VSBYS TODAY AND THIS EVENING WILL GIVE WAY TO MVFR/IFR
CONDITIONS WITH THE NEXT ROUND TONIGHT.
/OUTLOOK FOR KMSP/
WED...IFR WITH SN. NE WIND 15G25 KTS.
THU...MVFR OR LOWER CIGS/VIS WITH SN. NE WIND 15G12 KTS.
FRI...MVFR CIGS. -SN ENDING IN MORNING. WINDS NW WIND 5 TO 10 KTS.
&&
.MPX WATCHES/WARNINGS/ADVISORIES...
MN...WINTER STORM WARNING FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY
FOR MNZ074>078-082>085-091>093.
WINTER STORM WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
EVENING FOR MNZ041>045-050.
WINTER STORM WARNING UNTIL 7 PM CDT THURSDAY FOR MNZ047>049-
054>058-064-065-073.
WINTER STORM WARNING UNTIL 7 PM CDT THURSDAY FOR MNZ051>053-
059>063-066>070.
WI...WINTER STORM WARNING FROM 1 AM WEDNESDAY TO 7 PM CDT THURSDAY
FOR WIZ014>016-023>028.
&&
SHORT TERM...BORGHOFF
LONG TERM...JRB
AVIATION...BORGHOFFHazardous weather outlook, Apr 9, 5:19 AM CDT, 11 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 519 AM CDT TUE APR 9 2013 MNZ041>045-047>051-054>059-064-065-073-101030- DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS- BENTON-SHERBURNE-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-MEEKER- WRIGHT-YELLOW MEDICINE-RENVILLE-REDWOOD- 519 AM CDT TUE APR 9 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MINNESOTA...EAST CENTRAL MINNESOTA...SOUTHWEST MINNESOTA AND WEST CENTRAL MINNESOTA. .DAY ONE...TODAY AND TONIGHT MIXED PRECIPITATION WILL DEVELOP THIS MORNING ACROSS MUCH OF WEST CENTRAL AND SOUTHWESTERN MINNESOTA. MIXED PRECIPITATION WILL CHANGEOVER TO ALL SNOW BY LATE THIS MORNING MAINLY NORTHWEST OF A MONTEVIDEO TO LITTLE FALLS LINE. THE REMAINDER OF THE REGION WILL OBSERVE A COMBINATION OF FREEZING RAIN...SNOW AND OR ICE PELLETS THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A CHANGEOVER TO ALL SNOW WILL OCCUR ON WEDNESDAY MORNING OVER THE REMAINDER OF THE REGION. TOTAL SNOWFALL AMOUNTS INTO EARLY FRIDAY WILL VARY BETWEEN 5 AND 10 INCHES ACROSS THE REGION. MINOR RISES IN RIVERS AND STREAMS ARE POSSIBLE ACROSS MUCH OF THE AREA THIS WEEK AS SEVERAL WEATHER SYSTEMS MOVE THROUGH THE AREA. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED. MNZ052-053-060>063-066>070-074>078-082>085-091>093-WIZ014>016- 023>028-101030- ISANTI-CHISAGO-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY- CARVER-SCOTT-DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN- BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON- RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- 519 AM CDT TUE APR 9 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA... SOUTHEAST MINNESOTA...NORTHWEST WISCONSIN AND WEST CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS MAY OCCUR ACROSS FAR SOUTH MINNESOTA THIS MORNING. MIXED PRECIPITATION WILL DEVELOP ACROSS MUCH OF THE SOUTHERN HALF OF MINNESOTA BY THE EARLY AFTERNOON HOURS. LIGHT RAIN WILL BE OBSERVED OVER WEST CENTRAL WISCONSIN INTO SOUTH CENTRAL MINNESOTA INTO THE MID AFTERNOON...AND THEN TRANSITION TO A MIXED PRECIPITATION SCENARIO DURING THE OVERNIGHT. A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL OCCUR OVER THESE AREAS. SNOWFALL AMOUNTS WILL GENERALLY RANGE IN THE FEW TENTHS OF AN INCH RANGE...WITH UP TO A TENTH OF ICE ACCUMULATION. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A CHANGEOVER TO ALL SNOW WILL OCCUR BY LATE WEDNESDAY MORNING OVER ALL OF WEST CENTRAL WISCONSIN...SOUTH CENTRAL AND EAST CENTRAL MINNESOTA. TOTAL SNOWFALL AMOUNTS AMOUNTS INTO EARLY FRIDAY WILL VARY BETWEEN 5 AND 8 INCHES ACROSS THE REGION...WITH HEAVIEST AMOUNTS EXPECTED OVER WEST CENTRAL WISCONSIN AND GOODHUE COUNTY. MINOR RISES IN RIVERS AND STREAMS ARE POSSIBLE ACROSS MUCH OF THE AREA THIS WEEK AS SEVERAL WEATHER SYSTEMS MOVE THROUGH THE AREA. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Local storm report, Apr 9, 11:10 AM CDT, 5 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1110 AM CDT TUE APR 09 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1052 AM SNOW 2 NW REDWOOD FALLS 44.56N 95.14W
04/09/2013 M1.5 INCH REDWOOD MN BROADCAST MEDIA
&&
BORGHOFFLocal storm report, Apr 9, 1:12 PM CDT, 3 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
112 PM CDT TUE APR 09 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0106 PM SNOW 2 NW REDWOOD FALLS 44.56N 95.14W
04/09/2013 M2.5 INCH REDWOOD MN BROADCAST MEDIA
UPDATED TOTAL
&&
MKMThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 9:10 PM CDT | Winter Storm Warning | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 64 hr |
| Apr 9, 4:52 AM CDT | Winter Weather Advisory | MPX | Benton, Blue Earth, Brown, Douglas, Goodhue, Kanabec and 9 more | 12 hr |
Nearby
Winter Storm Watches in Minnesota, 2013Every winter storm watch in 2013
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.