Alert archive / Minnesota / Winter Weather Advisories in 2012

Winter Weather Advisory 13, NWS Twin Cities, MN

December 26, 201213 counties in Minnesota

NWS Twin Cities, MN issued this winter weather advisory at Dec 26, 2012, 2:48 PM CST for 13 counties in Minnesota. It took effect at Dec 27, 2012, 3:00 PM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2012, 2:48 PM CST (20:48 UTC)
In effect from
Dec 27, 2012, 3:00 PM CST
Expired
Dec 28, 2012, 12:00 PM CST
In force
21 hr
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 20:46 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, 8.8 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 2012-12-26Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 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
1302 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
54 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.

902 
WWUS43 KMPX 262048
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
248 PM CST WED DEC 26 2012

...MEASURABLE SNOW TO IMPACT SOUTHERN MINNESOTA THURSDAY AFTERNOON
THROUGH FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING SEVERAL HOURS OF LIGHT SNOW
ACROSS THE SOUTHERN MINNESOTA...NORTHERN IOWA...AND WESTERN
WISCONSIN BEGINNING THURSDAY AFTERNOON AND LASTING THROUGH FRIDAY
AFTERNOON. SNOWFALL AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED ALONG
THE INTERSTATE 90 CORRIDOR. THE WINDS WILL BE LIGHT...GENERALLY 5
TO 15 MPH...SO NO SIGNIFICANT BLOWING OR DRIFTING IS EXPECTED.
HOWEVER...THE SNOW MAY STILL CAUSE SOME TRAVEL
IMPACTS...ESPECIALLY FOR THE FRIDAY MORNING COMMUTE. 

MNZ073>075-082>085-091>093-270500-
/O.NEW.KMPX.WW.Y.0013.121227T2100Z-121228T1800Z/
REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
248 PM CST WED DEC 26 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THURSDAY TO NOON
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER WEATHER ADVISORY FOR 3 TO 5 INCHES OF SNOW...WHICH IS IN
EFFECT FROM 3 PM THURSDAY TO NOON CST FRIDAY.

* TIMING...LIGHT SNOW WILL BEGIN THURSDAY AFTERNOON AND PERSIST
  INTO FRIDAY.

* SNOWFALL AMOUNTS...STORM TOTALS OF 3 TO 5 INCHES ARE POSSIBLE IN
  SOUTHERN MINNESOTA.

* MAIN IMPACTS...LIGHT SNOW AND SUB FREEZING TEMPERATURES MAY
  CAUSE ROADWAYS TO BECOME SLICK AND SLOW DOWN TRAVEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JRB
6 follow-up statements
388 
WWUS43 KMPX 270204
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
804 PM CST WED DEC 26 2012

...MEASURABLE SNOW TO IMPACT SOUTHERN MINNESOTA THURSDAY
AFTERNOON THROUGH FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING SEVERAL HOURS OF LIGHT
SNOW ACROSS SOUTHERN MINNESOTA BEGINNING THURSDAY AFTERNOON...AND
LASTING THROUGH FRIDAY AFTERNOON. SNOWFALL AMOUNTS OF 3 TO 5
INCHES ARE EXPECTED ALONG THE INTERSTATE 90 CORRIDOR...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. BLOWING AND DRIFTING SNOW IS NOT
EXPECTED TO BE A MAJOR FACTOR AS WIND SPEEDS REMAIN LESS THAN 15
MPH. HOWEVER...THE LIGHT SNOW MAY STILL CAUSE TRAVEL PROBLEMS...
ESPECIALLY UNTREATED ROADWAYS.

MNZ073>075-082>085-091>093-271100-
/O.CON.KMPX.WW.Y.0013.121227T2100Z-121228T1800Z/
REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
804 PM CST WED DEC 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY
TO NOON CST FRIDAY...

* TIMING...LIGHT SNOW WILL BEGIN THURSDAY AFTERNOON AND PERSIST 
  INTO FRIDAY. 

* SNOWFALL AMOUNTS...STORM TOTALS OF 3 TO 5 INCHES ARE POSSIBLE IN
  SOUTHERN MINNESOTA...WITH LOCALLY HIGHER AMOUNTS NEAR THE IOWA
  BORDER. 

* MAIN IMPACTS...LIGHT SNOW AND SUB FREEZING TEMPERATURES MAY
  CAUSE ROADWAYS TO BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS
  DURING THE ONSET OF THIS EVENT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLT
161 
WWUS43 KMPX 270856
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
256 AM CST THU DEC 27 2012

...ACCUMULATING SNOW TO IMPACT SOUTHERN MINNESOTA THIS AFTERNOON
THROUGH FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING SEVERAL HOURS OF LIGHT
SNOW ACROSS SOUTHERN MINNESOTA BEGINNING THIS AFTERNOON...AND
LASTING THROUGH FRIDAY AFTERNOON. SNOWFALL AMOUNTS OF 3 TO 4 INCHES
ARE EXPECTED FROM THE MINNESOTA RIVER VALLEY SOUTH TO ALONG THE
INTERSTATE 90 CORRIDOR. DRIFTING SNOW IS NOT EXPECTED TO BE A
MAJOR FACTOR AS WIND SPEEDS REMAIN LESS THAN 15 MPH DURING THIS EVENT.
HOWEVER...THE LIGHT SNOW MAY STILL CAUSE TRAVEL PROBLEMS...ESPECIALLY
ON UNTREATED ROADWAYS.

MNZ073>075-082>085-091>093-271700-
/O.CON.KMPX.WW.Y.0013.121227T2100Z-121228T1800Z/
REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
256 AM CST THU DEC 27 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO NOON CST FRIDAY...

* TIMING...LIGHT SNOW WILL BEGIN THIS AFTERNOON AND PERSIST INTO FRIDAY.

* SNOWFALL AMOUNTS...TOTAL ACCUMULATION OF 3 TO 4 INCHES.

* MAIN IMPACTS...LONG DURATION LIGHT SNOW WILL CAUSE ROADWAYS TO
  BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
287 
WWUS43 KMPX 271705
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1105 AM CST THU DEC 27 2012

...ACCUMULATING SNOW TO IMPACT SOUTHERN MINNESOTA THIS AFTERNOON
THROUGH FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING SNOW TO SOUTHERN
MINNESOTA...BEGINNING THIS AFTERNOON...AND LASTING THROUGH 
FRIDAY AFTERNOON. SNOWFALL AMOUNTS OF 3 TO 4 INCHES ARE EXPECTED
FROM THE MINNESOTA RIVER VALLEY ON SOUTH ACROSS THE INTERSTATE 90
CORRIDOR. DRIFTING SNOW IS NOT EXPECTED TO BE A MAJOR FACTOR
DURING THIS EVENT AS WIND SPEEDS ARE FORECAST TO REMAIN BELOW 10
MPH. HOWEVER...THE SNOW MAY STILL CAUSE TRAVEL
PROBLEMS...ESPECIALLY ON UNTREATED ROADWAYS.

MNZ076>078-280115-
/O.EXA.KMPX.WW.Y.0013.121227T2100Z-121228T1800Z/
LE SUEUR-RICE-GOODHUE-
INCLUDING THE CITIES OF...LE SUEUR...FARIBAULT...RED WING
1105 AM CST THU DEC 27 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
NOON CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 3 PM
THIS AFTERNOON TO NOON CST FRIDAY.

* TIMING...SNOW WILL BEGIN THIS AFTERNOON AND PERSIST INTO FRIDAY.

* SNOWFALL AMOUNTS...TOTAL ACCUMULATION OF 3 TO 4 INCHES.

* MAIN IMPACTS...A LONG DURATION SNOW EVENT WILL CAUSE ROADWAYS TO
  BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ073>075-082>085-091>093-280115-
/O.CON.KMPX.WW.Y.0013.121227T2100Z-121228T1800Z/
REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. PETER...
ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
1105 AM CST THU DEC 27 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO NOON CST FRIDAY...

* TIMING...SNOW WILL BEGIN THIS AFTERNOON AND PERSIST INTO FRIDAY.

* SNOWFALL AMOUNTS...TOTAL ACCUMULATION OF 3 TO 4 INCHES.

* MAIN IMPACTS...A LONG DURATION SNOW WILL CAUSE ROADWAYS TO
  BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

RAH
248 
WWUS43 KMPX 272234
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
434 PM CST THU DEC 27 2012

...ACCUMULATING LIGHT SNOW WILL IMPACT SOUTHERN MINNESOTA THROUGH
FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING OCCASIONAL LIGHT SNOW
ACROSS SOUTHERN MINNESOTA THROUGH FRIDAY AFTERNOON. SNOWFALL
AMOUNTS OF 3 TO 4 INCHES ARE EXPECTED FROM THE MINNESOTA RIVER
VALLEY...ON SOUTH ACROSS THE INTERSTATE 90 CORRIDOR. DRIFTING
OR BLOWING SNOW IS NOT EXPECTED TO BE A MAJOR FACTOR DURING THIS
EVENT AS WIND SPEEDS ARE FORECAST TO REMAIN BELOW 10 MPH.
HOWEVER...THE SNOW MAY STILL CAUSE TRAVEL PROBLEMS... ESPECIALLY
ON UNTREATED ROADWAYS.

MNZ073>078-082>085-091>093-280645-
/O.CON.KMPX.WW.Y.0013.000000T0000Z-121228T1800Z/
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
434 PM CST THU DEC 27 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY...

* TIMING...LIGHT SNOW WILL PERSIST INTO FRIDAY.

* SNOWFALL AMOUNTS...TOTAL ACCUMULATION OF 3 TO 4 INCHES.

* MAIN IMPACTS...A LONG DURATION LIGHT SNOW EVENT WILL CAUSE
  ROADWAYS TO BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLT
743 
WWUS43 KMPX 280622
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1222 AM CST FRI DEC 28 2012

...ACCUMULATING LIGHT SNOW WILL IMPACT SOUTHERN MINNESOTA INTO FRIDAY...

.AN UPPER LEVEL DISTURBANCE WILL BRING OCCASIONAL LIGHT SNOW
ACROSS SOUTHERN MINNESOTA THROUGH FRIDAY AFTERNOON. SNOWFALL
AMOUNTS OF 3 TO 4 INCHES ARE EXPECTED FROM THE MINNESOTA RIVER
VALLEY...ON SOUTH ACROSS THE INTERSTATE 90 CORRIDOR. DRIFTING OR
BLOWING SNOW IS NOT EXPECTED TO BE A MAJOR FACTOR DURING THIS
EVENT AS WIND SPEEDS ARE FORECAST TO REMAIN BELOW 10 MPH.
HOWEVER...THE SNOW MAY STILL CAUSE TRAVEL PROBLEMS... ESPECIALLY
ON UNTREATED ROADWAYS.

MNZ073>078-082>085-091>093-281500-
/O.CON.KMPX.WW.Y.0013.000000T0000Z-121228T1800Z/
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
1222 AM CST FRI DEC 28 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

* TIMING...LIGHT SNOW WILL PERSIST INTO FRIDAY.

* SNOWFALL AMOUNTS...TOTAL ACCUMULATION OF 3 TO 4 INCHES.

* MAIN IMPACTS...A LONG DURATION LIGHT SNOW EVENT WILL CAUSE 
  ROADWAYS TO BECOME SLICK...ESPECIALLY UNTREATED ROADWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
529 
WWUS43 KMPX 281151
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
551 AM CST FRI DEC 28 2012

...ACCUMULATING LIGHT SNOW CONTINUING THIS MORNING...

.AN UPPER LEVEL DISTURBANCE WILL CONTINUE TO BRING OCCASIONAL
LIGHT SNOW ACROSS SOUTHERN MINNESOTA THROUGH EARLY THIS AFTERNOON.
SNOWFALL AMOUNTS OF 3 TO 4 INCHES ARE EXPECTED FROM THE MINNESOTA
RIVER VALLEY...ON SOUTH ACROSS THE INTERSTATE 90 CORRIDOR.
SNOW COVERED ROADS WILL MAKE FOR SLIPPERY TRAVEL CONDITIONS TODAY.

MNZ073>078-082>085-091>093-281800-
/O.CON.KMPX.WW.Y.0013.000000T0000Z-121228T1800Z/
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
551 AM CST FRI DEC 28 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

* TIMING...THROUGH EARLY THIS AFTERNOON.

* TOTAL ACCUMULATION...3 TO 4 INCHES.

* MAIN IMPACTS...SNOW COVERED AND SLICK ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

BORGHOFF

Nearby

Winter Weather Advisories in Minnesota, 2012Every winter weather advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.