Alert archive / Minnesota / Winter Weather Advisories in 2005

Winter Weather Advisory 4, NWS Twin Cities, MN

December 29, 20057 counties in Minnesota

NWS Twin Cities, MN issued this winter weather advisory at Dec 29, 2005, 12:57 PM CST for 7 counties in Minnesota. It took effect at Dec 29, 2005, 9:00 PM CST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2005, 12:57 PM CST (18:57 UTC)
In effect from
Dec 29, 2005, 9:00 PM CST
Expired
Dec 29, 2005, 11:11 PM CST
In force
2 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Martin County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 112 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 2005-12-29Temperature 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 2005-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
740 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
81 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 291857
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1257 PM CST THU DEC 29 2005

...WINTRY WEATHER WILL DEVELOP ACROSS PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN TONIGHT...

.SNOW...HEAVY AT TIMES...WILL DEVELOP ACROSS WEST CENTRAL
MINNESOTA THIS EVENING...AND SPREAD ACROSS THE REMAINDER OF
CENTRAL MINNESOTA OVERNIGHT TONIGHT. THEREFORE...A SNOW ADVISORY
IS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHWEST
MINNESOTA...ALONG AND NORTH OF A LINE FROM NEW ULM TO FARIBAULT.

ACROSS SOUTH CENTRAL MINNESOTA...A PERIOD OF FREEZING RAIN MAY
OCCUR BEFORE THE SNOW BEGINS. THEREFORE...A WINTER WEATHER ADVISORY
IS IN EFFECT FOR PORTIONS OF SOUTH CENTRAL MINNESOTA...MAINLY SOUTH OF A ST
JAMES...TO MANKATO...TO OWATONNA LINE.

PERIODS OF SNOW WILL CONTINUE TO FALL DURING THE OVERNIGHT HOURS
INTO FRIDAY...AS A STRONG LOW PRESSURE SYSTEM MOVES ACROSS THE
MINNESOTA AND IOWA BORDER.

TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCH RANGE TO
THE WEST OF A LINE FROM LITTLE FALLS...TO SAINT CLOUD...TO
REDWOOD FALLS. IN THIS SAME AREA...THE HEAVIEST SNOW SHOULD FALL
FROM LATE THIS EVENING THROUGH SUNRISE TOMORROW. ACROSS THE
REMAINDER OF CENTRAL AND SOUTH CENTRAL MINNESOTA...INCLUDING THE
TWIN CITIES METRO AREA...3 TO 5 INCHES OF SNOW ARE EXPECTED...WITH
THE GREATEST ACCUMULATIONS OCCURRING FROM THE EARLY MORNING HOURS
ON FRIDAY THROUGH MIDDAY FRIDAY. 

THE SNOW WILL LINGER ACROSS WEST CENTRAL WISCONSIN THROUGH FRIDAY
AFTERNOON...WITH TOTAL SNOWFALL ACCUMULATIONS IN THE 4 TO 6 INCH
RANGE BY FRIDAY EVENING.

MNZ082>085-091>093-300300-
/O.NEW.KMPX.WW.Y.0004.051230T0300Z-051230T1800Z/
WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...ST. JAMES...MANKATO...WASECA...
OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA
1257 PM CST THU DEC 29 2005

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO 12 PM CST FRIDAY. 

A PERIOD OF FREEZING RAIN IS EXPECTED ACROSS A PORTION OF SOUTH
CENTRAL MINNESOTA THIS EVENING. THE FREEZING RAIN IS EXPECTED TO
CHANGE OVER TO SNOW AROUND MIDNIGHT...WITH SNOW CONTINUING THROUGH
MIDDAY FRIDAY. TOTAL SNOW ACCUMULATIONS AROUND 3 INCHES ARE EXPECTED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MNZ078-WIZ014>016-023>028-300300-
/O.EXB.KMPX.SN.Y.0003.051230T0900Z-051231T0000Z/
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
1257 PM CST THU DEC 29 2005

...SNOW ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A SNOW ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST
FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM EARLY FRIDAY MORNING
THROUGH FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 3 TO 5
INCH RANGE ACROSS PORTIONS OF WEST CENTRAL WISCONSIN. IN THIS SAME
AREA...THE HEAVIEST SNOW SHOULD FALL BETWEEN SUNRISE FRIDAY THROUGH
MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ041>043-047>050-054>058-064-065-073-300300-
/O.EXT.KMPX.SN.Y.0003.051230T0000Z-051230T1800Z/
DOUGLAS-TODD-MORRISON-STEVENS-POPE-STEARNS-BENTON-LAC QUI PARLE-
SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...MORRIS...GLENWOOD...ST. CLOUD...FOLEY...MADISON...
BENSON...MONTEVIDEO...WILLMAR...LITCHFIELD...GRANITE FALLS...
OLIVIA...REDWOOD FALLS
1257 PM CST THU DEC 29 2005

...SNOW ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST FRIDAY...

THE SNOW ADVISORY IS NOW IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM THIS EVENING THROUGH
FRIDAY MORNING. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCH
RANGE TO THE WEST OF A LINE FROM LITTLE FALLS... TO SAINT
CLOUD...TO REDWOOD FALLS. IN THIS SAME AREA...THE HEAVIEST SNOW
SHOULD FALL FROM LATE THIS EVENING THROUGH EARLY FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ044-045-051>053-059>063-066>070-074>077-300300-
/O.CON.KMPX.SN.Y.0003.051230T0600Z-051230T1800Z/
MILLE LACS-KANABEC-SHERBURNE-ISANTI-CHISAGO-WRIGHT-HENNEPIN-ANOKA-
RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-BROWN-
NICOLLET-LE SUEUR-RICE-
INCLUDING THE CITIES OF...PRINCETON...MORA...ELK RIVER...
CAMBRIDGE...CENTER CITY...MONTICELLO...MINNEAPOLIS...BLAINE...
ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...
SHAKOPEE...BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT
1257 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM LATE TONIGHT
THROUGH MIDDAY FRIDAY. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 3
TO 5 INCH RANGE ACROSS PORTIONS OF EAST CENTRAL MINNESOTA. IN THIS
SAME AREA...THE HEAVIEST SNOW SHOULD FALL FROM THE EARLY MORNING
HOURS ON FRIDAY THROUGH MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
SCHMIT
3 follow-up statements
000 
WWUS43 KMPX 300208
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
808 PM CST THU DEC 29 2005

...WINTRY WEATHER OCCURRING OVER WEST CENTRAL MINNESOTA...AND
   DEVELOPING OVER OF CENTRAL AND EASTERN MINNESOTA AND WEST
   WISCONSIN OVERNIGHT...

.SNOW HAD DEVELOPED OVER WEST CENTRAL MINNESOTA THIS EVENING.
SNOW ACCUMULATIONS SO FAR HAVE BEEN LIGHT...GENERALLY AROUND AN
INCH OR LESS. HOWEVER...THE SNOW IS EXPECTED TO INCREASE IN
INTENSITY WITHIN THE NEXT HOUR OR SO OVER WESTERN AND CENTRAL
MINNESOTA...AND OVER EAST CENTRAL AND SOUTH CENTRAL MINNESOTA AND
WESTERN WISCONSIN AFTER MIDNIGHT. WEATHER AND DRIVING CONDITIONS
ARE LIKELY TO DETERIORATE RAPIDLY. SNOW ACCUMULATIONS BY MIDNIGHT
OVER WESTERN MINNESOTA COULD VARY FROM TWO TO FOUR INCHES.

OVER SOUTH CENTRAL MINNESOTA...THERE COULD BE A BRIEF PERIOD OF
FREEZING RAIN OR SLEET AT THE ONSET. THE PRECIPITATION SHOULD
GRADUALLY CHANGE OVER TO ALL SNOW. 

SNOW WILL CONTINUE TO FALL DURING THE OVERNIGHT HOURS INTO
FRIDAY...AS A STRONG LOW PRESSURE SYSTEM MOVES ACROSS THE
MINNESOTA AND IOWA BORDER.

TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCH
RANGE...MAINLY WEST OF A LINE FROM LITTLE FALLS...TO SAINT
CLOUD...TO REDWOOD FALLS. IN THIS SAME AREA...THE HEAVIEST SNOW
SHOULD FALL LATER THIS EVENING THROUGH SUNRISE TOMORROW.

ACROSS THE REMAINDER OF CENTRAL AND SOUTH CENTRAL MINNESOTA...
INCLUDING THE TWIN CITIES METRO AREA...3 TO 5 INCHES OF SNOW ARE
EXPECTED... WITH THE GREATEST ACCUMULATIONS OCCURRING FROM
MIDNIGHT TONIGHT THROUGH MIDDAY FRIDAY.

THE SNOW WILL LINGER ACROSS WEST CENTRAL WISCONSIN THROUGH FRIDAY
AFTERNOON...WITH TOTAL SNOWFALL ACCUMULATIONS IN THE 4 TO 6 INCH
RANGE BY FRIDAY EVENING.

MNZ041>043-047>050-054>058-064-065-073-301015-
/O.CON.KMPX.SN.Y.0003.000000T0000Z-051230T1800Z/
DOUGLAS-TODD-MORRISON-STEVENS-POPE-STEARNS-BENTON-LAC QUI PARLE-
SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...MORRIS...GLENWOOD...ST. CLOUD...FOLEY...MADISON...
BENSON...MONTEVIDEO...WILLMAR...LITCHFIELD...GRANITE FALLS...
OLIVIA...REDWOOD FALLS
808 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST FRIDAY. 

SNOW...HEAVY AT TIMES...ARE EXPECTED PERSIST THROUGH FRIDAY
MORNING. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCH
RANGE...WEST OF A LINE FROM LITTLE FALLS... TO SAINT CLOUD...TO
REDWOOD FALLS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ044-045-051>053-059>063-066>070-074>077-301015-
/O.CON.KMPX.SN.Y.0003.051230T0600Z-051230T1800Z/
MILLE LACS-KANABEC-SHERBURNE-ISANTI-CHISAGO-WRIGHT-HENNEPIN-ANOKA-
RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-BROWN-
NICOLLET-LE SUEUR-RICE-
INCLUDING THE CITIES OF...PRINCETON...MORA...ELK RIVER...
CAMBRIDGE...CENTER CITY...MONTICELLO...MINNEAPOLIS...BLAINE...
ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...
SHAKOPEE...BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT
808 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM LATE TONIGHT
THROUGH MIDDAY FRIDAY. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE
3 TO 5 INCH RANGE ACROSS PORTIONS OF EAST CENTRAL MINNESOTA. IN
THIS SAME AREA...THE HEAVIEST SNOW SHOULD FALL FROM THE EARLY
MORNING HOURS ON FRIDAY THROUGH MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ078-WIZ014>016-023>028-301015-
/O.CON.KMPX.SN.Y.0003.051230T0900Z-051231T0000Z/
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
808 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM EARLY FRIDAY
MORNING THROUGH FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS SHOULD
REACH THE 3 TO 5 INCH RANGE ACROSS PORTIONS OF WEST CENTRAL
WISCONSIN. IN THIS SAME AREA...THE HEAVIEST SNOW SHOULD FALL
BETWEEN SUNRISE FRIDAY THROUGH MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ082>085-091>093-301015-
/O.CON.KMPX.WW.Y.0004.051230T0300Z-051230T1800Z/
WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...ST. JAMES...MANKATO...WASECA...
OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA
808 PM CST THU DEC 29 2005

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
FRIDAY. 

A PERIOD OF FREEZING RAIN IS EXPECTED ACROSS A PORTION OF SOUTH
CENTRAL MINNESOTA THIS EVENING. THE FREEZING RAIN IS EXPECTED TO
CHANGE OVER TO SNOW AROUND MIDNIGHT...WITH SNOW CONTINUING
THROUGH MIDDAY FRIDAY. TOTAL SNOW ACCUMULATIONS AROUND 3 INCHES
ARE EXPECTED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KMPX 300415
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1015 PM CST THU DEC 29 2005

...WINTRY WEATHER OCCURRING OVER WEST CENTRAL MINNESOTA...AND   
DEVELOPING OVER OF CENTRAL AND EASTERN MINNESOTA AND WEST   
WISCONSIN OVERNIGHT...


.THE NATIONAL WEATHER SERVICE IN CHANHASSEN HAS UPGRADED THE SNOW
ADVISORY THAT WAS IN EFFECT FOR PORTIONS OF WEST CENTRAL AND CENTRAL
MINNESOTA TO A WINTER STORM WARNING. A WINTER STORM WARNING IS IN
EFFECT THROUGH FRIDAY AFTERNOON. A SNOW ADVISORY REMAINS IN EFFECT
FOR MUCH OF EAST CENTRAL AND WEST CENTRAL WISCONSIN LATE TONIGHT
INTO FRIDAY EVENING. 

SNOW...HEAVY AT TIMES WAS OCCURRING OVER WEST CENTRAL AND CENTRAL
MINNESOTA. SNOWFALL RATES HAVE BEEN ROUGHLY LITTLE OVER AN INCH
OVER WESTERN MINNESOTA. LIGHTER SNOW ACCUMULATIONS WERE REPORTED
OVER EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN.

THE SNOW WILL CONTINUE TO INCREASE IN INTENSITY OVER CENTRAL AND
EAST CENTRAL MINNESOTA TONIGHT AND OVER WESTERN WISCONSIN EARLY
FRIDAY MORNING. SNOW ACCUMULATIONS BY FRIDAY MORNING ARE EXPECTED
TO VARY FROM 6 TO 8 INCHES...NORTH AND WEST OF A LINE FROM REDWOOD
FALLS...LITCHFIELD TO MORA. ELSEWHERE...SNOW ACCUMULATIONS WILL
RANGE FROM 2 TO 4 INCHES OVER PARTS OF SOUTH CENTRAL AND EAST
CENTRAL MINNESOTA AND WESTERN WISCONSIN.

A LOW PRESSURE SYSTEM OVER SOUTHEAST SOUTH DAKOTA...WILL TRACK
EAST OVER THE MINNESOTA AND IOWA BORDER BY MIDDAY FRIDAY. THE
HEAVIEST SNOW WILL OCCUR OVER WESTERN MINNESOTA THROUGH FRIDAY
MORNING...AND OVER EAST CENTRAL MINNESOTA AND WESTERN WISCONSIN
LATER TONIGHT THROUGH MIDDAY FRIDAY. SNOW IS EXPECTED TO DIMINISH
OVER WESTERN MINNESOTA FRIDAY AFTERNOON...AND NOT UNTIL FRIDAY
EVENING OVER PORTIONS OF CENTRAL AND EAST CENTRAL MINNESOTA AND
WEST CENTRAL WISCONSIN FRIDAY EVENING. 

TOTAL SNOW ACCUMULATIONS SHOULD REACH NEAR 8 INCHES OVER WEST
CENTRAL AND CENTRAL MINNESOTA. ELSEWHERE...TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO STAY IN THE 3 TO 6 RANGE.

OVER SOUTH CENTRAL MINNESOTA...TOTAL SNOW ACCUMULATIONS ARE
EXPECTED TO BE IN THE 3 TO 4 INCH RANGE. A WINTER WEATHER ADVISORY
REMAINS IN EFFECT THROUGH MIDDAY FRIDAY. 

MOTORISTS CAN ANTICIPATE SOME TREACHEROUS DRIVING CONDITIONS...
ESPECIALLY THOSE ROADS AND HIGHWAYS THAT ARE LESS TRAVELED AND
UNPLOWED. IF YOU MUST TRAVEL...MAKE SURE THAT YOU ALLOW PLENTY OF
STOPPING DISTANCE BETWEEN THE VEHICLE IN FRONT OF YOU.

MNZ041>043-047>050-054>058-064-065-073-301215-
/O.UPG.KMPX.SN.Y.0003.000000T0000Z-051230T1800Z/
/O.NEW.KMPX.WS.W.0003.051230T0415Z-051230T1800Z/
DOUGLAS-TODD-MORRISON-STEVENS-POPE-STEARNS-BENTON-LAC QUI PARLE-
SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...MORRIS...GLENWOOD...ST. CLOUD...FOLEY...MADISON...
BENSON...MONTEVIDEO...WILLMAR...LITCHFIELD...GRANITE FALLS...
OLIVIA...REDWOOD FALLS
1015 PM CST THU DEC 29 2005

...WINTER STORM WARNING IN EFFECT UNTIL 12 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST
FRIDAY. THIS WARNING CANCELS THE SNOW ADVISORY THAT WAS IN EFFECT.

SNOW...HEAVY AT TIMES...ARE EXPECTED PERSIST THROUGH FRIDAY
MORNING. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 6 TO 8 INCHES
RANGE...NORTHWEST OF A LINE FROM REDWOOD FALLS TO MORA. 
TRAVEL WILL BECOME TREACHEROUS...ESPECIALLY ROADS AND HIGHWAYS
THAT ARE LESS TRAVELED AND UNPLOWED. MOTORISTS ARE URGED TO DRIVE
WITH CAUTION...AND ALLOW FOR PLENTY OF STOPPING DISTANCE BETWEEN
THE VEHICLE IN FRONT OF YOU. 

$$

MNZ044-045-051-059-066-301215-
/O.UPG.KMPX.SN.Y.0003.051230T0600Z-051230T1800Z/
/O.NEW.KMPX.WS.W.0003.051230T0415Z-051230T1800Z/
MILLE LACS-KANABEC-SHERBURNE-WRIGHT-MCLEOD-
INCLUDING THE CITIES OF...PRINCETON...MORA...ELK RIVER...
MONTICELLO...HUTCHINSON
1015 PM CST THU DEC 29 2005

...WINTER STORM WARNING IN EFFECT UNTIL 12 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST
FRIDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED OVER CENTRAL
MINNESOTA THROUGH FRIDAY MORNING. TOTAL SNOW ACCUMULATIONS SHOULD
REACH THE 6 TO 7 INCH RANGE. THESE SNOW ACCUMULATIONS WILL MAKE
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
 
$$

MNZ052-053-060>063-067>070-074>077-301215-
/O.CON.KMPX.SN.Y.0003.051230T0600Z-051230T1800Z/
ISANTI-CHISAGO-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-SIBLEY-CARVER-
SCOTT-DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-
INCLUDING THE CITIES OF...CAMBRIDGE...CENTER CITY...MINNEAPOLIS...
BLAINE...ST. PAUL...STILLWATER...GAYLORD...CHASKA...SHAKOPEE...
BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT
1015 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED THROUGH MIDDAY
FRIDAY. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCHES BY
FRIDAY AFTERNOON. THE BULK OF THE SNOW IS EXPECTED TO OCCUR DURING
THE OVERNIGHT HOURS INTO FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ078-WIZ014>016-023>028-301215-
/O.CON.KMPX.SN.Y.0003.051230T0900Z-051231T0000Z/
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
1015 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM EARLY FRIDAY
MORNING THROUGH FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS SHOULD
REACH THE 3 TO 5 INCH RANGE ACROSS PORTIONS OF WEST CENTRAL
WISCONSIN. IN THIS SAME AREA...THE HEAVIEST SNOW SHOULD FALL
BETWEEN SUNRISE FRIDAY THROUGH MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ082>085-091>093-301215-
/O.CON.KMPX.WW.Y.0004.000000T0000Z-051230T1800Z/
WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...ST. JAMES...MANKATO...WASECA...
OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA
1015 PM CST THU DEC 29 2005

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
FRIDAY. 

SNOW WILL OCCUR OVER SOUTH CENTRAL MINNESOTA TONIGHT INTO FRIDAY.
THE SNOW MAY BECOME MIXED WITH SLEET OR FREEZING RAIN BEFORE
MIDNIGHT TONIGHT THEN CHANGE OVER TO ALL SNOW. TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO RANGE FROM 3 TO 4 INCHES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KMPX 300511
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1111 PM CST THU DEC 29 2005

...WINTRY WEATHER OCCURRING OVER WEST CENTRAL MINNESOTA...AND
DEVELOPING OVER OF CENTRAL AND EASTERN MINNESOTA AND WEST
WISCONSIN OVERNIGHT...

.THE NATIONAL WEATHER SERVICE IN CHANHASSEN HAS UPGRADED THE SNOW
ADVISORY THAT WAS IN EFFECT FOR PORTIONS OF WEST CENTRAL AND
CENTRAL MINNESOTA TO A WINTER STORM WARNING. A WINTER STORM
WARNING IS IN EFFECT THROUGH FRIDAY AFTERNOON. A SNOW ADVISORY
REMAINS IN EFFECT FOR MUCH OF EAST CENTRAL AND WEST CENTRAL
WISCONSIN LATE TONIGHT INTO FRIDAY EVENING.

SNOW...HEAVY AT TIMES WAS OCCURRING OVER WEST CENTRAL AND CENTRAL
MINNESOTA. SNOWFALL RATES HAVE BEEN ROUGHLY LITTLE OVER AN INCH
OVER WESTERN MINNESOTA. LIGHTER SNOW ACCUMULATIONS WERE REPORTED
OVER EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN.

THE SNOW WILL CONTINUE TO INCREASE IN INTENSITY OVER CENTRAL AND
EAST CENTRAL MINNESOTA TONIGHT AND OVER WESTERN WISCONSIN EARLY
FRIDAY MORNING. SNOW ACCUMULATIONS BY FRIDAY MORNING ARE EXPECTED
TO VARY FROM 6 TO 8 INCHES...NORTH AND WEST OF A LINE FROM
REDWOOD FALLS...LITCHFIELD TO MORA. ELSEWHERE...SNOW
ACCUMULATIONS WILL RANGE FROM 2 TO 4 INCHES OVER PARTS OF SOUTH
CENTRAL AND EAST CENTRAL MINNESOTA AND WESTERN WISCONSIN.

A LOW PRESSURE SYSTEM OVER SOUTHEAST SOUTH DAKOTA...WILL TRACK
EAST OVER THE MINNESOTA AND IOWA BORDER BY MIDDAY FRIDAY. THE
HEAVIEST SNOW WILL OCCUR OVER WESTERN MINNESOTA THROUGH FRIDAY
MORNING...AND OVER EAST CENTRAL MINNESOTA AND WESTERN WISCONSIN
LATER TONIGHT THROUGH MIDDAY FRIDAY. SNOW IS EXPECTED TO DIMINISH
OVER WESTERN MINNESOTA FRIDAY AFTERNOON...AND NOT UNTIL FRIDAY
EVENING OVER PORTIONS OF CENTRAL AND EAST CENTRAL MINNESOTA AND
WEST CENTRAL WISCONSIN FRIDAY EVENING.

TOTAL SNOW ACCUMULATIONS SHOULD REACH NEAR 8 INCHES OVER WEST
CENTRAL AND CENTRAL MINNESOTA. ELSEWHERE...TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO STAY IN THE 3 TO 6 RANGE.

OVER SOUTH CENTRAL MINNESOTA...TOTAL SNOW ACCUMULATIONS ARE
EXPECTED TO BE IN THE 3 TO 4 INCH RANGE. A WINTER WEATHER
ADVISORY REMAINS IN EFFECT THROUGH MIDDAY FRIDAY.

MOTORISTS CAN ANTICIPATE SOME TREACHEROUS DRIVING CONDITIONS...
ESPECIALLY THOSE ROADS AND HIGHWAYS THAT ARE LESS TRAVELED AND
UNPLOWED. IF YOU MUST TRAVEL...MAKE SURE THAT YOU ALLOW PLENTY OF
STOPPING DISTANCE BETWEEN THE VEHICLE IN FRONT OF YOU.

MNZ082>085-091>093-301315-
/O.CAN.KMPX.WW.Y.0004.000000T0000Z-051230T1800Z/
/O.EXB.KMPX.SN.Y.0003.051230T0511Z-051230T1800Z/
WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...ST. JAMES...MANKATO...WASECA...
OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA
1111 PM CST THU DEC 29 2005

...WINTER WEATHER ADVISORY IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 12 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST FRIDAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

SNOW WILL OCCUR OVER SOUTH CENTRAL MINNESOTA TONIGHT INTO FRIDAY.
TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO RANGE FROM 3 TO 5 INCHES
BY MIDDAY FRIDAY. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ041>045-047>051-054>059-064>066-073-301315-
/O.CON.KMPX.WS.W.0003.000000T0000Z-051230T1800Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-SHERBURNE-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-
WRIGHT-YELLOW MEDICINE-RENVILLE-MCLEOD-REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...MORRIS...GLENWOOD...ST. CLOUD...
FOLEY...ELK RIVER...MADISON...BENSON...MONTEVIDEO...WILLMAR...
LITCHFIELD...MONTICELLO...GRANITE FALLS...OLIVIA...HUTCHINSON...
REDWOOD FALLS
1111 PM CST THU DEC 29 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST FRIDAY. 

SNOW...HEAVY AT TIMES...ARE EXPECTED PERSIST THROUGH FRIDAY
MORNING. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 6 TO 8 INCHES
RANGE...NORTHWEST OF A LINE FROM REDWOOD FALLS TO MORA. TRAVEL
WILL BECOME TREACHEROUS...ESPECIALLY ROADS AND HIGHWAYS THAT ARE
LESS TRAVELED AND UNPLOWED. MOTORISTS ARE URGED TO DRIVE WITH
CAUTION...AND ALLOW FOR PLENTY OF STOPPING DISTANCE BETWEEN THE
VEHICLE IN FRONT OF YOU.

$$

MNZ052-053-060>063-067>070-074>077-301315-
/O.EXT.KMPX.SN.Y.0003.051230T0511Z-051230T1800Z/
ISANTI-CHISAGO-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-SIBLEY-CARVER-
SCOTT-DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-
INCLUDING THE CITIES OF...CAMBRIDGE...CENTER CITY...MINNEAPOLIS...
BLAINE...ST. PAUL...STILLWATER...GAYLORD...CHASKA...SHAKOPEE...
BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT
1111 PM CST THU DEC 29 2005

...SNOW ADVISORY NOW IN EFFECT UNTIL 12 PM CST FRIDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 12 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED THROUGH MIDDAY
FRIDAY. TOTAL SNOW ACCUMULATIONS SHOULD REACH THE 4 TO 6 INCHES
BY FRIDAY AFTERNOON. THE BULK OF THE SNOW IS EXPECTED TO OCCUR
DURING THE OVERNIGHT HOURS INTO FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ078-WIZ014>016-023>028-301315-
/O.CON.KMPX.SN.Y.0003.051230T0900Z-051231T0000Z/
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
1111 PM CST THU DEC 29 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST FRIDAY. 

PERIODS OF SNOW...HEAVY AT TIMES...ARE EXPECTED FROM EARLY FRIDAY
MORNING THROUGH FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS SHOULD
REACH THE 3 TO 5 INCH RANGE ACROSS PORTIONS OF WEST CENTRAL
WISCONSIN. IN THIS SAME AREA...THE HEAVIEST SNOW SHOULD FALL
BETWEEN SUNRISE FRIDAY THROUGH MIDDAY FRIDAY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

What forecasters said that day

The local office's own words before this winter weather advisory 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 weather advisory went out at Dec 29, 4:06 AM CST, 8 hours 51 minutes earlier.

Area forecast discussion, Dec 29, 4:06 AM CST, 8 hours 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
406 AM CST THU DEC 29 2005

.DISCUSSION...TODAY THROUGH SATURDAY NIGHT
STRATUS AND SOME PATCHY DENSE FOG HAVE ONCE AGAIN GRABBED HOLD OF
THE FA OVRNGT...ALTHO THE CIGS AND AREAL EXTENT OF THE FOG ARE
CERTAINLY LESS THAN THE PREV FEW NGTS. VSBYS UNDER A HALF MILE
HAVE GENERALLY BEEN CONFINED TO THE AREA W OF A LINE FROM AXN TO
GDB...AND DUE TO SPOTTY NATURE OF THE FOG...HAVE ELECTED TO CONT
TO ADDRESS THE SITUATION WITH SHORT TERMS AND MENTION IN THE FCST
PKG.

PUZZLE PIECES FINALLY BEGINNING TO FALL INTO PLACE WITH RESPECT TO
THE SYSTEM SET TO MOVE INTO THE AREA TNGT AND TOMORROW. NAM AND
GFS HAVE FINALLY SETTLED ON A SOUTHERLY TRACK OF THE SFC
LO...TAKING IT ACRS THE MN/IA BRDR OVRNGT TNGT AND THRU FRI AFTN.
DEEP MID AND UPR LVL TROF...ALONG WITH VERY STRONG MID LVL WAA AND
ASSOC FRONTOGENESIS...WILL PROVIDE PLENTY OF FORCING FOR SNOW ACRS
MAINLY THE NRN TWO THIRDS OF THE FA. THIS IS REFLECTED IN THE
INTENSE AREA OF H7 OMEGA THAT TRAVERSES THIS SAME AREA THRU THE
PERIOD. IN ADDITION...NNW TO SSE ORIENTED CROSS-SECTIONS ACRS WRN
MN TNGT SHOW CONDITIONS VERY FAVORABLE FOR A BRIEF PERIOD OF MDT
TO HVY SNOW...WITH SOME NEGATIVE EPV IN THE MID LVLS...A NEARLY
VERTICAL AGEOSTROPHIC CIRCULATION THRU A DEEP LAYER...AND SPECIFIC
HUMIDITIES IN THE SNOW GROWTH RGN FROM 2 TO 3 G/KG. CROSS-SECTIONS
ACROSS ERN MN SHOW THAT CONDITIONS ARE SLGTLY LESS FAVORABLE FURTHER
E BUT STILL SUITABLE FOR SOME HIGHER SNOW TOTALS. EMPLOYING THE
COBB TECHNIQUE ON BOTH THE NAM AND GFS BUFR PROFILES SHOW THE
GREATEST TOTALS /IN THE 4 TO 6 INCH RANGE/ ACRS W CNTRL MN...WITH
3 TO 5 INCHES ACRS MUCH OF CNTRL AND W CNTRL WI BEFORE ALL IS SAID
AND DONE. AS A RESULT...HAVE ELECTED TO GO WITH A SNOW ADVISORY
FOR ALL AREAS OF MN TO THE N OF A LINE FROM ULM TO FBL.
ATTM...HAVE HELD OFF ON INCLUDING THE W CNTRL WI COUNTIES...AS
WELL AS GOODHUE IN MN...IN ANY KIND OF ADVY WITH THE ONSET OF THE
MDT TO HVY SNOW EXPECTED TO TOWARD SUNRISE FRI. WILL MENTION TO
THE DAY SHIFT...WHO WILL ADDRESS THIS ISSUE.

ONE ISSUE THAT HAD TO BE ADDRESSED WAS THE ISSUE OF MIXED PCPN
WITH THIS SYSTEM AT THE ONSET. NAM PROFILES SHOW A VERY PRONOUNCED
WARM AND DRY LAYER IN THE LOW TO MID LVLS PRIOR TO THE GREATEST
FORCING MOVING INTO THE RGN. ALTHO SOME LGT RAIN COULD REACH THE
SFC /ATTM...FCST TEMPS SHUD BE HI ENUF TO LEAVE IT ALL LIQUID DURG
THE AFFECTED TIME FRAME/...CURRENT THINKING IS THE STRENGTH OF THE
FORCING WILL LEAD TO THE LAYER QUICKLY SATURATING AND
COOLING...LEAVING THE ENTIRE PROFILE BELOW FREEZING.
THEREFORE...HAVE ONLY INCLUDED A MENTION OF MIXED PCPN /RAIN AND
SNOW/ THRU 03Z FRI. THIS IS ALSO THE REASON WE ELECTED TO GO WITH
A SNOW ADVISORY VERSUS A WINTER WEATHER ADVISORY.

DUE TO THE QUICK MOVEMENT OF THE SYSTEM...THE BULK OF THE PCPN
SHUD BE OUT OF THE FA BY 00Z SAT...WITH A FEW SNOWFLAKES REMAINING
PSBL ACRS THE W CNTRL WI COUNTIES. ALSO LINGERED FLURRIES INTO SAT
ACRS THE ERN AREAS...WITH WRAPAROUND MOISTURE REMAINING OVER THE
AREA.

NEXT SYSTEM WILL APPROACH THE AREA LATE IN THE WKEND. MDLS HINTED
AT A FASTER PROGRESSION...WITH SOME HEALTHY WAA ENTERING THE FA
FROM THE SW SUN NGT. CONSIDERED PUTTING SOME SMALL POPS IN TO ACCT
FOR IT...BUT ELECTED NOT TO AT THE LAST MINUTE. LATER SHIFTS WILL
HAVE TO MONITOR THIS CLOSELY TO SEE POPS ARE NEEDED EARLIER THAN
ARE CURRENTLY FCST.

AS HAS BEEN THE CASE FOR MANY DAYS...ABV NRML TEMPS ARE THE
RULE...WITH THE ARCTIC AIR REMAINING WELL TO THE N OF THE CONUS.

MANY THANKS TO THE SURROUNDING WFOS FOR THE COORD THIS MRNG.

LONGER TERM...SUNDAY THROUGH WEDNESDAY
OVERALL PATTERN CONTINUES TO FAVOR A SLEW OF PACIFIC BASED SYSTEMS
SWINGING INTO NORTHERN GREAT PLAINS INTO AT LEAST THURSDAY. FIRST
50H TROUGH ARRIVES SUNDAY MORNING ACROSS WESTERN CWA. SFC SYSTEM
TAKES GLIDE PATH OVER CENTRAL GREAT PLAINS SUNDAY AND INTO EARLY
SUNDAY EVENING...THEN TAKES A JOG INTO NE IOWA BY EARLY MON
MORNING. SUFFICIENT OMEGA DEPICTED ON 285K GFSLR ISENTROPIC
SURFACE...AND 2-3 GRAMS SPECIFIC HUMIDITY DEMANDS RAMP UP TO
LIKELY POPS ACROSS FA FOR MUCH OF SUNDAY. 1000-500H TEMPS ALSO
SCREAMS FOR AT LEAST A RAIN SNOW MIX ACROSS MUCH OF SOUTHERN HALF
OF CWA. TEND TO THINK A RAIN SNOW MIX IS WARRANTED ACROSS MOST OF
CWA...BUT WILL BEND TOWARD CONSENSUS THOUGHT PATTERNS. CONDITIONAL
PRESSURE DEFICITS...3-4 GRAMS SPECIFIC HUMIDITY AND GOOD
OVERUNNING CONTINUES PATTERN OF LIKELY POPS ON MONDAY NIGHT. OF
COURSE TEMPERATURES ALOFT FINALLY GET INTO THE...SNOW ZONE...AS
SURFACE LOW ZIPS INTO GREAT LAKES REGION.

CONTINUED WITH GFSLR AS MODEL OF CHOICE FOR REMAINDER OF EXTENDED.
DP/DT DEFINITELY CONFIRMS NEXT SURFACE WAVE APPROACHING WESTERN
IA/SW MN FASTER THEN PREVIOUSLY BELIEVED. SYSTEM TAKES SIMILAR TRACK
ACROSS IOWA DURING THE DAY ON TUESDAY...WITH NOTICEABLY COLDER 1000-500H
TEMPS...ESPECIALLY ACROSS MUCH OF NORTHERN CWA. COND PRESSURE
DEFICITS...OMEGA AND MOISTURE VALUES ALL POINTING TO POSSIBLE HEAVY
SNOW EVENT UNFOLDING ACROSS EAST CENTRAL MN AND W CENTRAL WISCONSIN.
A SNOW RAIN MIX IS PROBABLE THOUGH ACROSS FAR SOUTHERN COUNTIES NEAR
IOWA BORDER...AT LEAST UNTIL EARLY TUESDAY EVENING. 50H TROF WILL BRING
ANOTHER CHANCE LIGHT SNOW ACROSS REGION ON WEDNESDAY. AFTER THAT HUGE
UPPER LEVEL RIDGE BUILDS ACROSS INTERMOUNTAIN WEST AND INTO BRITISH
COLUMBIA AND ALBERTA THURSDAY INTO EARLY FRIDAY...WITH RIDGE AND WARMUP
DEVELOPING ACROSS OUR REGION BY THE WEEKEND.

&&

.MPX WATCHES/WARNINGS/ADVISORIES...
MN...SNOW ADVISORY FROM MIDNIGHT TONIGHT TO 12 PM CST FRIDAY FOR
     ANOKA-BROWN-CARVER-CHISAGO-DAKOTA-HENNEPIN-ISANTI-KANABEC-
     LE SUEUR-MCLEOD-MILLE LACS-NICOLLET-RAMSEY-RICE-SCOTT-
     SHERBURNE-SIBLEY-WASHINGTON-WRIGHT COUNTY(IES).

     SNOW ADVISORY FROM 6 PM THIS EVENING TO 9 AM CST FRIDAY FOR
     BENTON-CHIPPEWA-DOUGLAS-KANDIYOHI-LAC QUI PARLE-MEEKER-
     MORRISON-POPE-REDWOOD-RENVILLE-STEARNS-STEVENS-SWIFT-TODD-
     YELLOW MEDICINE COUNTY(IES).

WI...NONE.
&&

KAT/AZ
Hazardous weather outlook, Dec 29, 5:26 AM CST, 7 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
526 AM CST THU DEC 29 2005

MNZ041>043-047>050-054>058-064-065-073-301130-
DOUGLAS-TODD-MORRISON-STEVENS-POPE-STEARNS-BENTON-LAC QUI PARLE-
SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD-
526 AM CST THU DEC 29 2005

...SNOW ADVISORY IN EFFECT FROM 6 PM TONIGHT THROUGH 9 AM FRIDAY...

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

.DAY ONE...TODAY AND TONIGHT

A STRONG LOW PRESSURE SYSTEM WILL MOVE ALONG THE MINNESOTA AND
IOWA BORDER LATER TONIGHT...WHICH WILL BRING PERIODS OF MODERATE
TO HEAVY SNOW TO THE REGION. SNOWFALL ACCUMULATIONS OF 3 TO 5
INCHES ARE POSSIBLE TO THE WEST OF A LINE FROM LITTLE FALLS...TO
LITCHFIELD...AND REDWOOD FALLS THROUGH THE EARLY MORNING HOURS ON
FRIDAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

LIGHT SNOW WILL CONTINUE FOR MUCH OF FRIDAY MORNING BEFORE ENDING
DURING THE MID AFTERNOON HOURS. AN ADDITIONAL INCH OR TWO OF
ACCUMULATION WILL BE POSSIBLE. TOTAL SNOWFALL ACCUMULATIONS
THROUGH LATE FRIDAY MORNING SHOULD REACH 4 TO 6 INCHES.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE URGED TO REPORT SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE.

MNZ044-045-051>053-059>063-066>070-074>077-301130-
MILLE LACS-KANABEC-SHERBURNE-ISANTI-CHISAGO-WRIGHT-HENNEPIN-ANOKA-
RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-BROWN-
NICOLLET-LE SUEUR-RICE-
526 AM CST THU DEC 29 2005

...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT THROUGH NOON FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA AND SOUTH CENTRAL MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A STRONG LOW PRESSURE SYSTEM WILL MOVE ALONG THE MINNESOTA AND
IOWA BORDER LATER TONIGHT...WHICH WILL BRING PERIODS OF MODERATE
TO HEAVY SNOW TO THE REGION. SNOWFALL ACCUMULATIONS OF 1 TO 3
INCHES ARE POSSIBLE ACROSS MUCH OF CENTRAL AND EAST CENTRAL
MINNESOTA...INCLUDING THE TWIN CITIES METRO AREA...THROUGH THE
EARLY MORNING HOURS ON FRIDAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

MODERATE SNOW WILL CONTINUE FOR MUCH OF FRIDAY MORNING BEFORE
TAPERING OFF DURING THE MID AFTERNOON HOURS. AN ADDITIONAL 2
TO 3 INCHES OF ACCUMULATION WILL BE POSSIBLE. TOTAL SNOWFALL
ACCUMULATIONS THROUGH FRIDAY AFTERNOON SHOULD REACH 3 TO 5 INCHES.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE URGED TO REPORT SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE.

MNZ082>085-091>093-301130-
WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
526 AM CST THU DEC 29 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A STRONG LOW PRESSURE SYSTEM WILL MOVE ALONG THE MINNESOTA AND
IOWA BORDER LATER TONIGHT...WHICH WILL BRING LIGHT TO MODERATE SNOW
TO THE REGION. SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES ARE
POSSIBLE TO THE SOUTH OF A LINE FROM SAINT JAMES TO OWATONNA
THROUGH THE EARLY MORNING HOURS ON FRIDAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

LIGHT SNOW WILL CONTINUE FOR MUCH OF FRIDAY MORNING BEFORE
TAPERING OFF DURING THE MID AFTERNOON HOURS. AN ADDITIONAL 1 TO 2
INCHES OF ACCUMULATION WILL BE POSSIBLE. TOTAL SNOWFALL
ACCUMULATIONS THROUGH FRIDAY AFTERNOON SHOULD REACH 2 TO 4 INCHES.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE URGED TO REPORT SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE.

MNZ078-WIZ014>016-023>028-301130-
GOODHUE-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-
EAU CLAIRE-
526 AM CST THU DEC 29 2005

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO SOUTHERN MINNESOTA
FRIDAY...WHICH WILL BRING PERIODS OF MODERATE SNOW TO THE REGION.
SNOWFALL ACCUMULATIONS OF 3 TO 4 INCHES WILL BE POSSIBLE TO THE
EAST OF A LINE FROM OSCEOLA TO ZUMBROTA THROUGH FRIDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE URGED TO REPORT SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE.

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 4:53 AM CSTSnow AdvisoryMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more40 hr

Nearby

Winter Weather Advisories in Minnesota, 2005Every winter weather advisory in 2005

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.