Alert archive / Minnesota / Winter Storm Watches in 2009

Winter Storm Watch 5, NWS Twin Cities, MN

April 2, 200913 counties in Minnesota

NWS Twin Cities, MN issued this winter storm watch at Apr 2, 2009, 2:49 PM CDT for 13 counties in Minnesota. It took effect at Apr 4, 2009, 7:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 2, 2009, 2:49 PM CDT (19:49 UTC)
In effect from
Apr 4, 2009, 7:00 PM CDT
Expired
Apr 4, 2009, 10:04 AM CDT
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, 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

The radar

The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 89 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 2009-04-02Temperature 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 2009-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 square meters per square second.1939587897117Sfc1 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
796 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
-8 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.

000 
WWUS43 KMPX 021949
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
249 PM CDT THU APR 2 2009

...SIGNIFICANT SNOW AND WIND POSSIBLE ACROSS PORTIONS OF SOUTHERN
MINNESOTA THIS WEEKEND...

.A WINTER STORM WATCH HAS BEEN ISSUED FROM SATURDAY EVENING
THROUGH SUNDAY EVENING FOR AREAS OF SOUTHERN MINNESOTA...GENERALLY
ALONG AND SOUTH OF A LINE FROM ST JAMES...TO MANKATO AND RED
WING.

A LOW PRESSURE SYSTEM IS PROJECTED TO DEVELOP OVER KANSAS ON
SATURDAY AND PROGRESS TO ILLINOIS BY SUNDAY. THE TRACK OF THE LOW
PRESSURE SYSTEM WOULD FAVOR A SWATH OF HEAVY SNOW...WITH
ACCUMULATIONS OF 6 INCHES OR MORE...ACROSS FAR SOUTHERN AREAS OF
MINNESOTA SATURDAY NIGHT AND SUNDAY. IN ADDITION TO THE
SNOW...STRONG NORTHEAST WINDS AT 20 TO 30 MPH ARE EXPECTED
SATURDAY NIGHT AND PART OF SUNDAY CAUSING BLOWING AND DRIFTING
SNOW...ESPECIALLY ALONG THE INTERSTATE 90 CORRIDOR.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ076>078-082>085-091>093-030400-
/O.NEW.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
249 PM CDT THU APR 2 2009

...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. THE WATCH IS GENERALLY ALONG AND SOUTH OF
A LINE FROM ST JAMES...TO MANKATO AND RED WING.

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...ARE POSSIBLE
ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND SUNDAY
AS A LOW PRESSURE SYSTEM PASSES SOUTH OF THE REGION. IN ADDITION
TO THE SNOW...STRONG NORTHEAST WINDS AT 20 TO 30 MPH ARE EXPECTED
SATURDAY NIGHT AND PART OF SUNDAY CAUSING BLOWING AND DRIFTING
SNOW...ESPECIALLY ALONG THE INTERSTATE 90 CORRIDOR.

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.

$$

RAH/DWE
8 follow-up statements
000 
WWUS43 KMPX 030243
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
943 PM CDT THU APR 2 2009

...SIGNIFICANT SNOW AND WIND POSSIBLE ACROSS PORTIONS OF SOUTHERN
MINNESOTA THIS WEEKEND...

.A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY FOR AREAS OF SOUTHERN MINNESOTA...GENERALLY ALONG
AND SOUTH OF A LINE FROM ST JAMES...TO MANKATO AND RED WING. THIS
INCLUDES THE INTERSTATE 90 CORRIDOR OF SOUTH CENTRAL MINNESOTA.

A LOW PRESSURE SYSTEM IS PROJECTED TO DEVELOP OVER KANSAS ON
SATURDAY AND PROGRESS TO ILLINOIS BY SUNDAY. THIS TRACK WOULD
FAVOR A SWATH OF HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR
MORE...ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG NORTHEAST WINDS AT 20 TO
30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY POTENTIALLY CAUSING
BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG THE INTERSTATE 90
CORRIDOR.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.


MNZ076>078-082>085-091>093-031045-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
943 PM CDT THU APR 2 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...IS BECOMING
MORE LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT
AND SUNDAY. IN ADDITION TO THE SNOW...STRONG NORTHEAST WINDS AT
20 TO 30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY POTENTIALLY 
CAUSING BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG THE
INTERSTATE 90 CORRIDOR.

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.

$$
000 
WWUS43 KMPX 030821
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
321 AM CDT FRI APR 3 2009

...PLOWABLE SNOW WILL LOOKS LIKELY ACROSS PORTIONS OF SOUTHERN
MINNESOTA THIS WEEKEND...

.A WINTER STORM WATCH REMAINS POSTED FROM SATURDAY EVENING
THROUGH SUNDAY FOR AREAS OF SOUTHERN MINNESOTA...GENERALLY ALONG
AND SOUTH OF A LINE FROM ST JAMES...TO MANKATO AND RED WING. THIS
INCLUDES THE INTERSTATE 90 CORRIDOR OF SOUTH CENTRAL MINNESOTA.

A LOW PRESSURE SYSTEM IS PROJECTED TO DEVELOP OVER KANSAS ON
SATURDAY AND PROGRESS TO ILLINOIS ON SUNDAY. THIS TRACK WOULD
FAVOR A SWATH OF HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR
MORE...ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG NORTHEAST WINDS AT 20 TO
30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY POTENTIALLY CAUSING
BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG THE INTERSTATE 90
CORRIDOR. AT THIS TIME IT LOOKS LIKE THE MOST SEVERE CONDITIONS
WILL OCCUR FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ076>078-082>085-091>093-031630-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
321 AM CDT FRI APR 3 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...STILL LOOKS 
LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG NORTHEAST WINDS AT 20 TO
30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY POTENTIALLY CAUSING
BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG THE INTERSTATE 90
CORRIDOR.  AT THIS TIME IT LOOKS LIKE THE MOST SEVERE CONDITIONS
WILL OCCUR FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING.

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.

$$
000 
WWUS43 KMPX 031443
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
943 AM CDT FRI APR 3 2009

...WINTER STORM LOOKS LIKELY FOR FAR SOUTHERN MINNESOTA...

.A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY FOR AREAS OF SOUTHERN MINNESOTA...GENERALLY ALONG
AND SOUTH OF A LINE FROM ST JAMES...TO MANKATO AND RED WING. THIS
INCLUDES THE INTERSTATE 90 CORRIDOR OF SOUTH CENTRAL MINNESOTA.

AN AREA OF LOW PRESSURE ACROSS THE GREAT BASIN OF THE WESTERN U.S.
THIS MORNING IS EXPECTED TO MOVE EASTWARD...AND REFORM ACROSS
WESTERN KANSAS SATURDAY MORNING. THIS LOW PRESSURE SYSTEM WILL
BEGIN TO INTENSIFY SATURDAY AS IT MOVES ACROSS NORTHERN
KANSAS...AND INTO CENTRAL ILLINOIS BY SUNDAY AFTERNOON. THIS WOULD
PROVIDE THE BEST CHANCE OF ACCUMULATING SNOWFALL ACROSS FAR
SOUTHERN MINNESOTA...BEGINNING SATURDAY AFTERNOON. THE HEAVIEST
SNOWFALL WILL LIKELY FALL SATURDAY EVENING...AND INTO SUNDAY
MORNING AS THE BEST MOISTURE AND ENERGY WITH THIS SYSTEM OCCURS. 

IN ADDITION TO THE SNOWFALL...STRONG EAST TO NORTHEAST WINDS WILL
DEVELOP WHICH COULD POTENTIALLY CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOWFALL.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ076>078-082>085-091>093-032245-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
943 AM CDT FRI APR 3 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...LOOKS TO BE
LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG EAST TO NORTHEAST WINDS
AT 20 TO 30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY POTENTIALLY
CAUSING BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG THE
INTERSTATE 90 CORRIDOR. AT THIS TIME IT LOOKS LIKE THE MOST SEVERE
CONDITIONS WILL OCCUR FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING.

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.

$$

JLT
000 
WWUS43 KMPX 031937
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 PM CDT FRI APR 3 2009

...WINTER STORM LOOKS LIKELY FOR FAR SOUTHERN MINNESOTA...

.THE WINTER STORM WATCH IN EFFECT FOR FAR SOUTHERN MINNESOTA FOR
SATURDAY EVENING THROUGH SUNDAY EVENING HAS BEEN EXPANDED TO INCLUDE
REDWOOD...BROWN AND NICOLLET COUNTIES. THE WATCH AREA IS NOW
GENERALLY ALONG AND SOUTH OF A LINE FROM REDWOOD FALLS...TO
ST. PETER...TO RED WING. THIS INCLUDES THE INTERSTATE 90 CORRIDOR
OF SOUTH CENTRAL MINNESOTA. 

AN AREA OF LOW PRESSURE WILL EMERGE FROM COLORADO ON SATURDAY. THE
LOW PRESSURE SYSTEM IS EXPECTED TO INTENSIFY WHILE MOVING TO ILLINOIS
BY SUNDAY EVENING. THIS WOULD PROVIDE THE BEST CHANCE OF ACCUMULATING
SNOWFALL ACROSS FAR SOUTHERN MINNESOTA...BEGINNING SATURDAY
AFTERNOON. THE HEAVIEST SNOW WILL LIKELY FALL SATURDAY
EVENING...AND INTO SUNDAY MORNING AS THE BEST MOISTURE AND ENERGY
WITH THIS SYSTEM OCCURS. TOTAL SNOWFALL ACCUMULATIONS OF 6 INCHES
OR MORE ARE POSSIBLE BY LATE SUNDAY FROM REDWOOD FALLS THROUGH ST.
PETER TO RED WING...WITH UP TO A FOOT ALONG THE INTERSTATE 90
CORRIDOR.

IN ADDITION TO THE SNOWFALL...STRONG EAST TO NORTHEAST WINDS WILL
DEVELOP WHICH COULD POTENTIALLY CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOW.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ073>075-040345-
/O.EXA.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
REDWOOD-BROWN-NICOLLET-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER
237 PM CDT FRI APR 3 2009

...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...LOOKS TO BE
LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG EAST TO NORTHEAST WINDS
AT 20 TO 30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY
POTENTIALLY CAUSING BLOWING AND DRIFTING SNOW. AT THIS TIME IT
LOOKS LIKE THE MOST SEVERE CONDITIONS WILL OCCUR FROM LATE
SATURDAY NIGHT THROUGH SUNDAY MORNING.

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.

$$

MNZ076>078-082>085-091>093-040345-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
237 PM CDT FRI APR 3 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...LOOKS TO BE
LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IN ADDITION TO THE SNOW...STRONG EAST TO NORTHEAST WINDS
AT 20 TO 30 MPH ARE EXPECTED SATURDAY NIGHT AND SUNDAY
POTENTIALLY CAUSING BLOWING AND DRIFTING SNOW...ESPECIALLY ALONG
THE INTERSTATE 90 CORRIDOR. AT THIS TIME IT LOOKS LIKE THE MOST
SEVERE CONDITIONS WILL OCCUR FROM LATE SATURDAY NIGHT THROUGH
SUNDAY MORNING.

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.

$$

RAH
000 
WWUS43 KMPX 040336
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1036 PM CDT FRI APR 3 2009

...WINTER STORM LOOKS LIKELY FOR FAR SOUTHERN MINNESOTA...

.A WINTER STORM WATCH REMAINS IN EFFECT FOR FAR SOUTHERN
MINNESOTA...FOR SATURDAY EVENING THROUGH SUNDAY EVENING. THE
WATCH AREA IS GENERALLY SOUTH OF A LINE FROM REDWOOD FALLS...TO
ST. PETER...TO RED WING. THIS INCLUDES THE INTERSTATE 90 CORRIDOR
OF SOUTH CENTRAL MINNESOTA.

AN AREA OF LOW PRESSURE WILL EMERGE FROM COLORADO ON SATURDAY.
THE LOW PRESSURE SYSTEM IS EXPECTED TO INTENSIFY WHILE MOVING TO
ILLINOIS BY SUNDAY EVENING. THIS WOULD PROVIDE THE BEST CHANCE OF
ACCUMULATING SNOWFALL ACROSS FAR SOUTHERN MINNESOTA...BEGINNING
SATURDAY AFTERNOON. THE HEAVIEST SNOW WILL LIKELY FALL SATURDAY
EVENING...AND INTO SUNDAY MORNING AS THE BEST MOISTURE AND ENERGY
WITH THIS SYSTEM OCCURS. TOTAL SNOWFALL ACCUMULATIONS OF 6 INCHES
OR MORE ARE POSSIBLE SOUTH OF A LINE FROM NEW ULM...TO FARIBAULT.
IT APPEARS THAT THE GREATEST THREAT OF HEAVY SNOW IS ALONG THE
INTESTATE 90 CORRIDOR FROM FAIRMONT TO ALBERT LEA...WHERE UP TO A
FOOT OF SNOW IS POSSIBLE. 

IN ADDITION TO THE SNOWFALL...STRONG EAST TO NORTHEAST WINDS WILL
DEVELOP...WHICH COULD POTENTIALLY CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOW.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ073>078-082>085-091>093-041145-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
LE SUEUR...FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...
OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA
1036 PM CDT FRI APR 3 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING. 

HEAVY SNOW...WITH ACCUMULATIONS OF 6 INCHES OR MORE...LOOKS TO BE
LIKELY ACROSS FAR SOUTHERN AREAS OF MINNESOTA SATURDAY NIGHT AND
SUNDAY. IT APPEARS THAT THE GREATEST THREAT OF HEAVY SNOW WILL BE
SOUTH OF A LINE FROM JACKSON TO OWATONNA. IN ADDITION TO THE
SNOW...STRONG EAST TO NORTHEAST WINDS OF 20 TO 30 MPH ARE
EXPECTED SATURDAY NIGHT AND SUNDAY...POTENTIALLY CAUSING BLOWING
AND DRIFTING SNOW. AT THIS TIME IT LOOKS LIKE THE MOST SEVERE
CONDITIONS WILL OCCUR FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING.

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.

$$
000 
WWUS43 KMPX 040855
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
355 AM CDT SAT APR 4 2009

...WINTER STORM APPROACHING FAR SOUTHERN MINNESOTA...

.A BLIZZARD WARNING HAS BEEN ISSUED FOR MARTIN...FARIBAULT...AND
FREEBORN COUNTIES IN FAR SOUTH CENTRAL MINNESOTA...FROM THIS
EVENING THROUGH SUNDAY. THIS INCLUDES INTERSTATE 90. A
WINTER STORM WATCH REMAINS IN EFFECT FOR PORTIONS OF FAR SOUTHERN
MINNESOTA NORTH OF THE BLIZZARD WARNING...FOR SATURDAY EVENING
THROUGH SUNDAY EVENING. THE WATCH AREA EXTENDS NORTH TO A LINE
FROM REDWOOD FALLS...TO ST. PETER...TO RED WING.

AN AREA OF LOW PRESSURE WILL MOVE FROM EASTERN COLORADO TO
NORTHEASTERN KANSAS TODAY AND THIS EVENING. THE LOW PRESSURE
SYSTEM IS EXPECTED TO INTENSIFY WHILE MOVING TO ILLINOIS BY SUNDAY
EVENING. THIS WILL ALLOW FOR THE BEST CHANCE OF ACCUMULATING
SNOWFALL ACROSS FAR SOUTHERN MINNESOTA. PRECIPITATION WILL BEGIN
AS A MIX OF RAIN AND SNOW THIS AFTERNOON BEFORE CHANGING TO SNOW
EARLY THIS EVENING. THE HEAVIEST SNOW WILL LIKELY FALL TONIGHT INTO SUNDAY
MORNING AS THE BEST MOISTURE AND ENERGY WITH THIS SYSTEM OCCURS.
TOTAL SNOWFALL ACCUMULATIONS OF AROUND 6 INCHES ARE POSSIBLE SOUTH
OF A LINE FROM NEW ULM...TO FARIBAULT. THE GREATEST THREAT OF
HEAVY SNOW IS ALONG THE INTESTATE 90 CORRIDOR FROM FAIRMONT TO
ALBERT LEA...WHERE 8 TO 10 INCHES OF SNOW IS POSSIBLE.

IN ADDITION TO THE SNOWFALL...STRONG NORTHEAST WINDS WILL
DEVELOP...WHICH ARE EXPECTED TO CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOW...WITH BLIZZARD CONDITIONS EXPECTED ALONG
THE INTERSTATE 90 CORRIDOR.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ091>093-041700-
/O.UPG.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
/O.NEW.KMPX.BZ.W.0002.090405T0000Z-090406T0000Z/
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...FAIRMONT...BLUE EARTH...ALBERT LEA
355 AM CDT SAT APR 4 2009

...BLIZZARD WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS ISSUED
A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

HEAVY SNOW IS EXPECTED ALONG THE INTERSTATE 90 CORRIDOR FROM
FAIRMONT TO ALBERT LEA TONIGHT INTO SUNDAY MORNING. SNOW
ACCUMULATION OF UP TO 8 OR 10 INCHES IS POSSIBLE IN THESE
AREAS...ESPECIALLY CLOSE TO THE IOWA STATE LINE. NORTHEAST WINDS
WILL INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS TO AROUND 40 MPH
POSSIBLE. THIS WILL LIKELY CAUSE BLIZZARD CONDITIONS TONIGHT INTO
SUNDAY AFTERNOON.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

MNZ073>078-082>085-041700-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
LE SUEUR...FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...
OWATONNA
355 AM CDT SAT APR 4 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING. 

SNOW IS EXPECTED TO MOVE INTO FAR SOUTHERN AREAS OF MINNESOTA BY
THIS EVENING AND CONTINUE INTO SUNDAY. THE HEAVIEST SNOW WILL FALL
ALONG THE INTERSTATE 90 CORRIDOR BUT AREAS TO THE NORTH TOWARDS
REDWOOD FALLS... ST. PETER... AND RED WING MAY SEE SNOW AMOUNTS AS
HIGH AS 6 INCHES. DRY AIR MOVING IN FROM THE NORTH WILL CREATE A
SHARP CUTOFF IN THE HEAVIER SNOW AMOUNTS WITH THE NORTHERN EXTENT
OF SIGNIFICANT SNOW NOT YET CERTAIN. IN ADDITION TO THE SNOW...STRONG
NORTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED TONIGHT NIGHT AND
SUNDAY...POTENTIALLY CAUSING BLOWING AND DRIFTING SNOW. AT THIS
TIME IT LOOKS LIKE THE MOST SEVERE CONDITIONS WILL OCCUR FROM LATE
TONIGHT THROUGH SUNDAY MORNING.

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.

$$

MDB/MPG
000 
WWUS43 KMPX 041326
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
826 AM CDT SAT APR 4 2009

...WINTER STORM APPROACHING FAR SOUTHERN MINNESOTA...

.A BLIZZARD WARNING REMAINS IN EFFECT FOR MARTIN...FARIBAULT...AND
FREEBORN COUNTIES IN FAR SOUTH CENTRAL MINNESOTA...FROM THIS
EVENING THROUGH SUNDAY...WHICH INCLUDES INTERSTATE 90. A WINTER
STORM WATCH REMAINS IN EFFECT FOR PORTIONS OF FAR SOUTHERN
MINNESOTA NORTH OF THE BLIZZARD WARNING...FOR SATURDAY EVENING
THROUGH SUNDAY EVENING. THE WATCH AREA EXTENDS NORTH TO A LINE
FROM REDWOOD FALLS...TO ST. PETER...TO RED WING.

AN AREA OF LOW PRESSURE CONTINUED TO INTENSIFY ACROSS WESTERN
KANSAS THIS MORNING WITH SNOW AND RAIN SPREADING NORTHWARD ACROSS
NEBRASKA AND SOUTH DAKOTA. THIS AREA OF LOW PRESSURE WILL MOVE
FROM WESTERN KANSAS...EASTWARD TO CENTRAL ILLINOIS BY SUNDAY
EVENING. PRECIPITATION WILL BEGIN AS A MIX OF RAIN AND SNOW THIS
AFTERNOON BEFORE CHANGING TO SNOW EARLY THIS EVENING. THE HEAVIEST
SNOW WILL LIKELY FALL TONIGHT INTO SUNDAY MORNING AS THE BEST
MOISTURE AND ENERGY WITH THIS SYSTEM OCCURS. TOTAL SNOWFALL
ACCUMULATIONS OF AROUND 6 INCHES ARE POSSIBLE SOUTH OF A LINE FROM
REDWOOD FALLS...TO NEW ULM...TO RED WING. THE GREATEST THREAT OF
HEAVY SNOW IS ALONG THE INTERSTATE 90 CORRIDOR FROM FAIRMONT TO
ALBERT LEA...WHERE UP TO 10 INCHES OF SNOW IS LIKELY.

IN ADDITION TO THE SNOWFALL...STRONG NORTHEAST WINDS WILL
DEVELOP...WHICH ARE EXPECTED TO CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOW...WITH BLIZZARD CONDITIONS EXPECTED
ALONG THE INTERSTATE 90 CORRIDOR.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ091>093-042130-
/O.CON.KMPX.BZ.W.0002.090405T0000Z-090406T0000Z/
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...FAIRMONT...BLUE EARTH...ALBERT LEA
826 AM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

HEAVY SNOW IS EXPECTED ALONG THE INTERSTATE 90 CORRIDOR FROM
FAIRMONT TO ALBERT LEA TONIGHT INTO SUNDAY MORNING. ACCUMULATIONS
OF 6 TO 10 INCHES ARE LIKELY IN THESE AREAS...ESPECIALLY CLOSE TO
THE IOWA STATE LINE. NORTHEAST WINDS WILL INCREASE TO BETWEEN 25 AND
35 MPH WITH GUSTS TO AROUND 40 MPH POSSIBLE. THIS WILL LIKELY
CAUSE BLIZZARD CONDITIONS TONIGHT INTO SUNDAY AFTERNOON.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

MNZ073>078-082>085-042130-
/O.CON.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
LE SUEUR...FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...
OWATONNA
826 AM CDT SAT APR 4 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH SUNDAY EVENING. 

SNOW IS EXPECTED TO MOVE INTO FAR SOUTHERN AREAS OF MINNESOTA BY
THIS EVENING AND CONTINUE INTO SUNDAY. THE HEAVIEST SNOW WILL
FALL ALONG THE INTERSTATE 90 CORRIDOR BUT AREAS TO THE NORTH
TOWARDS REDWOOD FALLS... ST. PETER... AND RED WING MAY SEE SNOW
AMOUNTS AS HIGH AS 6 INCHES. DRY AIR MOVING IN FROM THE NORTH
WILL CREATE A SHARP CUTOFF IN THE HEAVIER SNOW AMOUNTS...WITH THE
NORTHERN EXTENT OF SIGNIFICANT SNOW NOT YET CERTAIN. IN ADDITION
TO THE SNOW...STRONG NORTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED
TONIGHT NIGHT AND SUNDAY...POTENTIALLY CAUSING BLOWING AND
DRIFTING SNOW. AT THIS TIME IT LOOKS LIKE THE MOST SEVERE
CONDITIONS WILL OCCUR FROM LATE TONIGHT THROUGH SUNDAY MORNING.

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.

$$

JLT
000 
WWUS43 KMPX 041504
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1004 AM CDT SAT APR 4 2009

...WINTER STORM EXPECTED TO IMPACT FAR SOUTHERN MINNESOTA...

.A BLIZZARD WARNING REMAINS IN EFFECT FOR MARTIN...FARIBAULT...
AND FREEBORN COUNTIES IN FAR SOUTH CENTRAL MINNESOTA...FROM THIS
EVENING THROUGH SUNDAY...WHICH INCLUDES INTERSTATE 90. 

A WINTER WEATHER ADVISORY IS NOW IN EFFECT FOR PORTIONS OF FAR
SOUTHERN MINNESOTA NORTH OF THE BLIZZARD WARNING...FOR SATURDAY
EVENING THROUGH SUNDAY EVENING. 

AN AREA OF LOW PRESSURE CONTINUED TO INTENSIFY ACROSS WESTERN
KANSAS THIS MORNING WITH SNOW AND RAIN SPREADING NORTHWARD ACROSS
NEBRASKA...SOUTH DAKOTA AND INTO FAR SOUTHWEST MINNESOTA. THIS AREA
OF LOW PRESSURE WILL MOVE FROM WESTERN KANSAS...EASTWARD TO
CENTRAL ILLINOIS BY SUNDAY EVENING. PRECIPITATION WILL BEGIN AS A
MIX OF RAIN AND SNOW THIS AFTERNOON BEFORE CHANGING TO SNOW EARLY
THIS EVENING. THE HEAVIEST SNOW WILL LIKELY FALL TONIGHT INTO
SUNDAY MORNING AS THE BEST MOISTURE AND ENERGY WITH THIS SYSTEM
OCCURS. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE
EXPECTED SOUTH OF A LINE FROM REDWOOD FALLS...TO NEW ULM...TO RED
WING. THE GREATEST THREAT OF HEAVY SNOW IS ALONG THE INTERSTATE 90
CORRIDOR FROM FAIRMONT TO ALBERT LEA...WHERE UP TO 10 INCHES OF
SNOW IS LIKELY.

IN ADDITION TO THE SNOWFALL...STRONG NORTHEAST WINDS WILL
DEVELOP...WHICH ARE EXPECTED TO CAUSE SIGNIFICANT BLOWING AND
DRIFTING OF THE NEW SNOW...WITH BLIZZARD CONDITIONS EXPECTED
ALONG THE INTERSTATE 90 CORRIDOR.

CONTINUE TO MONITOR FUTURE FORECASTS AND WINTER WEATHER MESSAGES
FOR UPDATES ON THE EXPECTED TRACK AND SNOWFALL AMOUNTS FROM THIS
DEVELOPING STORM SYSTEM.

MNZ091>093-042315-
/O.CON.KMPX.BZ.W.0002.090405T0000Z-090406T0000Z/
MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...FAIRMONT...BLUE EARTH...ALBERT LEA
1004 AM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

HEAVY SNOW IS EXPECTED ALONG THE INTERSTATE 90 CORRIDOR FROM
FAIRMONT TO ALBERT LEA TONIGHT INTO SUNDAY MORNING. ACCUMULATIONS
OF 6 TO 10 INCHES ARE LIKELY IN THESE AREAS...ESPECIALLY CLOSE TO
THE IOWA STATE LINE. NORTHEAST WINDS WILL INCREASE TO BETWEEN
25 AND 35 MPH WITH GUSTS TO AROUND 40 MPH. THIS WILL LIKELY CAUSE
BLIZZARD CONDITIONS TONIGHT INTO SUNDAY AFTERNOON.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

MNZ073>078-082>085-042315-
/O.UPG.KMPX.WS.A.0005.090405T0000Z-090406T0000Z/
/O.NEW.KMPX.WW.Y.0009.090405T0000Z-090406T0000Z/
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
LE SUEUR...FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...
OWATONNA
1004 AM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM
THIS EVENING TO 7 PM CDT SUNDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

LIGHT SNOW IS EXPECTED TO MOVE INTO SOUTHERN MINNESOTA BY LATE
THIS AFTERNOON...OR EVENING AND CONTINUE INTO SUNDAY. THE AREA OF
LIGHT SNOW WILL BE MAINLY FOR COMMUNITIES SOUTH OF A REDWOOD FALLS
TO NEW ULM...TO RED WING LINE...WITH THE HEAVIEST SNOW FALLING
SOUTH ALONG THE INTERSTATE 90 CORRIDOR. DRY AIR MOVING IN FROM THE
NORTH WILL CREATE A SHARP CUTOFF IN THE HEAVIER SNOW
AMOUNTS...WITH THE AREAS NORTH OF HIGHWAY 19 ONLY EXPECTING AN
INCH OR LESS. WIND SPEEDS WILL ALSO INCREASE FROM THE NORTHEAST
LATER TODAY...AND CONTINUE OVERNIGHT AND THROUGH SUNDAY MORNING.
DUE TO THE INCREASE WIND SPEEDS...THERE REMAINS THE POTENTIAL OF
BLOWING AND DRIFTING SNOW. AT THIS TIME IT LOOKS LIKE THE MOST
SEVERE CONDITIONS WILL OCCUR FROM LATE TONIGHT THROUGH SUNDAY
MORNING.

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.

$$

JLT

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 2, 11:30 AM CDT, 3 hours 19 minutes earlier.

Area forecast discussion, Apr 2, 11:30 AM CDT, 3 hours 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1130 AM CDT THU APR 2 2009

.UPDATED FOR AVIATION DISCUSSION BELOW...

.DISCUSSION...ISSUED 404 AM CDT
ENTERING A BRIEF QUIET WEATHER PATTERN TO END THE WORK WEEK AS THE
LOW THAT MOVED THROUGH MN YESTERDAY IS NOW NORTH OF LAKE SUPERIOR.
IN ITS WAKE...AREA SITS IN A WEAK RIDGE OF HIGH PRESSURE BETWEEN
THE DEPARTING LOW OVER CANADA AND ANOTHER SIGNIFICANT LOW MOVING
ACROSS THE SOUTHERN PLAINS THIS MORNING. FOR HIGHS THE NEXT TWO
DAYS...WHEN MIXING TO ABOUT 825 MB WITH THE GFS...ONLY ABLE TO GET
TEMPERATURES INTO THE MID 40S. SO HAVE CONTINUED TREND OF FAVORING
THE COOLER MET FOR HIGHS TO END THE WORK WEEK.

ACTIVE H5 PATTERN WILL CONTINUE...AND THE RIDGE THAT WILL BE
BUILDING IN FOR THURSDAY AND FRIDAY WILL BE QUICKLY REPLACE BY
ANOTHER TROUGH DIGGING INTO THE CENTRAL HIGH PLAINS SATURDAY
MORNING. AS THIS HAPPENS...RAPID CYCLOGENESIS WILL TAKE PLACE NEAR
THE OK/TX PANHANDLES. AS ALWAYS...MODELS HAVE THEIR DISAGREEMENTS...
THOUGH WITH THE 02.00 SOLUTIONS MOST DISCREPANCIES EXIST WITH
TIMING AND STRENGTH. NAM/GFS/ECMWF ALL SIMILAR WITH TAKING THE LOW
NEAR THE MISSOURI/IOWA BORDER SUNDAY...CONTINUING THE TREND OF
MAKING THIS PRIMARILY A SOUTHERN MN EVENT. FOR TIMING AND
STRENGTH...NAM/GFS ARE FASTEST WITH THE SYSTEM WHILE THE ECMWF HAS
A SFC LOW THAT IS ABOUT 5 MB LOWER. STAYED CLOSE TO HPC GUIDANCE
FOR TIMING...WHICH HEAVILY FAVORED THE ECMWF.

OF COURSE THE BIG PROBLEM WITH THIS EVENT CONTINUES TO BE P-TYPE.
THE BIG DETERMINATE FOR WHEN THE TRANSITION FROM RAIN OR A MIX TO
ALL SNOW WILL BE HOW QUICKLY COLD AIR CAN GET WRAPPED IN TO THE
SYSTEM. AT THIS TIME...STILL LOOKS LIKELY THAT AFTERNOON HIGHS
AROUND 40 SATURDAY SHOULD ALLOW ONSET OF PRECIPITATION TO BE IN
THE FORM OF A CHILLY RAIN...WITH A TRANSITION TO ALL SNOW
OCCURRING SATURDAY NIGHT. IF THE SLOWER ECMWF SOLUTION ENDS UP
BEING CORRECT...THEN THERE IS A DECENT OPPORTUNITY THAT A GOOD
AMOUNT OF THE QPF FALLS AS SNOW. FOR THE FASTER GFS...WOULD
PROBABLY SEE MAINLY RAIN OR A MIX...WHICH WOULD LIMIT SNOWFALL
TOTALS. GIVEN CURRENT UNCERTAINTIES WITH REGARDS TO P-TYPE AT THIS
POINT...KEPT WEATHER GRIDS RELATIVELY UNCHANGED.

AS THIS LOW MOVES OFF INTO THE GREAT LAKES SUNDAY NIGHT...1035 MB
HIGH WILL BE SLIPPING INTO THE PLAINS...ALLOWING FOR A COLD END TO
THE WEEKEND...WITH MOST PLACE STAYING IN THE 30S SUNDAY. HIGH
PRESSURE WILL DOMINATE THE WEATHER ACROSS THE PLAINS THROUGH THE
MIDDLE OF NEXT WEEK BEFORE YET ANOTHER STRONG LOW HEADS INTO THE
PLAINS. BOTH GFS AND ECMWF KEEP H85 TEMPS BELOW 0C THROUGH NEXT
WEEK...SO WILL CONTINUE TREND OF BELOW NORMAL TEMPERATURES FOR A
WHILE LONGER.

&&

.AVIATION.../18Z TAF ISSUANCE/
AXN/STC/MSP/EAU/RNH AREA ALL ARE ON PERIPHERY OF MVFR CIGS ASSOC WITH
UPPER LOW PRES LIFTING NORTHEAST OVER SOUTHERN CANADA/LK SUPERIOR
REGION.  SOME CUMULUS REFORMING SOUTH OF MAIN CLOUD EDGE WILL KEEP
WESTERN TAF SITES ALONG THIS BNDRY THROUGH EARLY AFTERNOON.  THIS
SHOULD GRADUALLY MOVE EAST DURING THE AFTERNOON HOWEVER.  KEAU/KRNH
WILL MAY SEE LOWER CLOUD LINGER LONGEST AS INFLUENCE FROM SOUTHERN
STREAM STORM LIFTING NORTHEAST ACROSS THE MID MISSISSIPPI RIVER
VALLEY REGION.  THIS WILL SPREAD CIRRUS SHIELD OVER THE AREA DURING
THE AFTERNOON AS WELL.  WEST WINDS TO BECOME NORTHWEST THIS
AFTERNOON.  MAY BE BRIEFLY GUSTY INTO WI AREA...BEFORE DIMINISHING
OVER THE AREA BY LATER AFTERNOON...AS WEAK SFC HIGH TAKES HOLD. SOME
POSSIBILITY OF FOG FORMING LATER TONIGHT...MAINLY INTO WI IF CLOUDS
CLEAR..BUT CHANCE NOT HIGH ENOUGH TO INCLUDE IN TAF AT THIS TIME.

&&

.MPX WATCHES/WARNINGS/ADVISORIES...
MN...NONE.
WI...NONE.
&&

MPG/DWE
Hazardous weather outlook, Apr 2, 11:33 AM CDT, 3 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1133 AM CDT THU APR 2 2009

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
031200-
DOUGLAS-TODD-MORRISON-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-
1133 AM CDT THU APR 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

FLOODING IS OCCURRING OR EXPECTED ALONG MANY RIVERS AND STREAMS
ACROSS CENTRAL AND WEST CENTRAL MINNESOTA...PARTICULARLY THE
MINNESOTA AND MISSISSIPPI RIVERS AND THEIR TRIBUTARIES. REFER TO
THE LATEST FLOOD WARNINGS...STATEMENTS AND OUTLOOKS FOR
ADDITIONALINFORMATION.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ANOTHER LOW PRESSURE SYSTEM IS FORECAST TO MOVE ACROSS THE PLAINS
SATURDAY AND SUNDAY...POSSIBLY LEADING TO ANOTHER WINTER WEATHER
EVENT WITH ACCUMULATING SNOWS THIS WEEKEND. UNCERTAINTIES STILL
EXIST ON PRECIPITATION TYPE...BUT FUTURE FORECASTS SHOULD
CONTINUE TO BE MONITORED FOR UPDATES TO THIS POTENTIAL WINTER
STORM.

FLOODING IS EXPECTED TO CONTINUE ALONG MANY RIVERS AND
STREAMS ACROSS CENTRAL AND WEST CENTRAL MINNESOTA...PARTICULARLY
THE MINNESOTA AND MISSISSIPPI RIVERS AND THEIR TRIBUTARIES. REFER
TO THE LATEST FLOOD WARNINGS...STATEMENTS AND OUTLOOKS FOR
ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

Nearby

Winter Storm Watches in Minnesota, 2009Every winter storm watch in 2009

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.