Alert archive / Minnesota / Winter Storm Watches in 2013

Winter Storm Watch 9, NWS Twin Cities, MN

April 9, 20136 counties in Minnesota

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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2013-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2013-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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...BORGHOFF
Hazardous 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

&&

BORGHOFF
Local 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

&&

MKM

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 9:10 PM CDTWinter Storm WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more64 hr
Apr 9, 4:52 AM CDTWinter Weather AdvisoryMPXBenton, Blue Earth, Brown, Douglas, Goodhue, Kanabec and 9 more12 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.