Alert archive / Minnesota / Blizzard Warnings in 2011

Blizzard Warning 2, NWS Twin Cities, MN

March 12, 201116 counties in Minnesota

NWS Twin Cities, MN issued this blizzard warning at Mar 12, 2011, 1:15 AM CST for 16 counties in Minnesota. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 12, 2011, 1:15 AM CST (07:15 UTC)
Expired
Mar 12, 2011, 8:00 AM CST
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Carver County, MN, Chippewa County, MN, Douglas County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Pope County, MN, Renville County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wright County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 121 km from the middle of the area, began a volume at 07:16 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 00:00Z, 7.3 hours before the alert went out and 119 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 00:00Z on 2011-03-12Temperature 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 00:00Z on 2011-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
733 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
111 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.

704 
WWUS43 KMPX 120715
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
115 AM CST SAT MAR 12 2011

...BLIZZARD AND NEAR BLIZZARD CONDITIONS CONTINUING OVER PORTIONS
 OF WEST CENTRAL AND SOUTH CENTRAL MINNESOTA OVERNIGHT...

...BLOWING AND DRIFTING SNOW OVER PARTS OF CENTRAL MINNESOTA
   THROUGH SATURDAY MORNING...
 
.THE NATIONAL WEATHER SERVICE HAS ISSUED A BLIZZARD WARNING FOR
PORTIONS OF WEST CENTRAL AND CENTRAL MINNESOTA THROUGH 800 AM
THIS MORNING. SOME CITIES INCLUDED IN THE BLIZZARD WARNING
ARE ALEXANDRIA...BENSON...LITCHFIELD...MORRIS...ST CLOUD...AND
WILLMAR. STRONG NORTHWEST WINDS OF 30 TO 40 MPH WITH OCCASIONAL
50 MPH GUSTS WERE CREATING WHITEOUT CONDITIONS OVER MUCH OF
WESTERN MINNESOTA. ACCORDING TO LAW ENFORCEMENT...VISIBILITIES AT
TIMES WERE NEAR ZERO AND ROADS HAVE BECOME VERY SLICK DUE TO
DRIFTING SNOW. TRAVEL IS NOT RECOMMENDED IN THE BLIZZARD WARNING
AREA UNLESS ABSOLUTELY NECESSARY. CONDITIONS ARE LIKELY TO
IMPROVE AFTER DAYBREAK THIS MORNING AS WIND SPEEDS SLOWLY SUBSIDE.

THE BLIZZARD WARNING COVERS PORTIONS OF INTERSTATE 94.

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR A SMALL PORTION OF
CENTRAL MINNESOTA THROUGH THIS MORNING. SOME LOCATIONS IN THE
ADVISORY AREA INCLUDE LITTLE FALLS AND MORA.


MNZ041-042-047>049-054>056-064-121400-
/O.UPG.KMPX.WW.Y.0035.000000T0000Z-110312T1800Z/
/O.NEW.KMPX.BZ.W.0002.110312T0715Z-110312T1400Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
YELLOW MEDICINE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD...MADISON...BENSON...MONTEVIDEO...
GRANITE FALLS
115 AM CST SAT MAR 12 2011

...BLIZZARD WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 8 AM CST THIS
MORNING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...THROUGH EARLY TO MID MORNING.

* MAIN IMPACT...BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITY.

* OTHER IMPACTS...WIND GUSTS OF 50 TO 55 MPH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MNZ057>059-065>068-121400-
/O.NEW.KMPX.BZ.W.0002.110312T0715Z-110312T1400Z/
KANDIYOHI-MEEKER-WRIGHT-RENVILLE-MCLEOD-SIBLEY-CARVER-
INCLUDING THE CITIES OF...WILLMAR...LITCHFIELD...MONTICELLO...
OLIVIA...HUTCHINSON...GAYLORD...CHASKA
115 AM CST SAT MAR 12 2011

...BLIZZARD WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 8 AM CST THIS
MORNING. 

* TIMING...THROUGH EARLY TO MID MORNING.

* MAIN IMPACT...BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITY.

* OTHER IMPACTS...WIND GUSTS OF 50 TO 55 MPH. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MNZ043>045-050-121400-
/O.CON.KMPX.WW.Y.0035.000000T0000Z-110312T1800Z/
MORRISON-MILLE LACS-KANABEC-BENTON-
INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA...FOLEY
115 AM CST SAT MAR 12 2011

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

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

* TIMING...THROUGH THIS MORNING.

* MAIN IMPACT...BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITY.

* OTHER IMPACTS...WIND GUSTS OF 45 MPH AND SNOWFALL OF ONE HALF
  TO ONE INCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$
2 follow-up statements
451 
WWUS43 KMPX 121029
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
429 AM CST SAT MAR 12 2011

...BLIZZARD TO NEAR BLIZZARD CONDITIONS CONTINUING OVER PORTIONS
OF WESTERN AND CENTRAL MINNESOTA THROUGH EARLY THIS MORNING...

.A BLIZZARD WARNING CONTINUES FOR PORTIONS OF WESTERN AND CENTRAL
MINNESOTA THROUGH 800 AM THIS MORNING. INCLUDED IN THE BLIZZARD
WARNING ARE ALEXANDRIA...BENSON...LITCHFIELD...MORRIS...ST
CLOUD...WILLMAR...AS WELL AS A PORTION OF INTERSTATE 94. STRONG
NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL 40 TO 50 MPH GUSTS
WERE CREATING WHITEOUT CONDITIONS OVER PORTIONS OF THE BLIZZARD
WARNING BEFORE SUNRISE. ACCORDING TO LAW ENFORCEMENT...VISIBILITIES
AT TIMES WERE NEAR ZERO AND ROADS HAVE BECOME VERY SLICK DUE TO
BLOWING AND DRIFTING SNOW. CONDITIONS ARE LIKELY TO IMPROVE AFTER
DAYBREAK THIS MORNING AS WIND SPEEDS SLOWLY SUBSIDE.

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR A SMALL PORTION
OF CENTRAL MINNESOTA THROUGH THIS MORNING...DUE TO BLOWING AND
DRIFTING SNOW. SOME LOCATIONS IN THE ADVISORY AREA INCLUDE LITTLE
FALLS AND MORA.

MNZ064-065-067-121130-
/O.CAN.KMPX.BZ.W.0002.000000T0000Z-110312T1400Z/
YELLOW MEDICINE-RENVILLE-SIBLEY-
INCLUDING THE CITIES OF...GRANITE FALLS...OLIVIA...GAYLORD
429 AM CST SAT MAR 12 2011

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
CANCELLED THE BLIZZARD WARNING. 

LAW ENFORCEMENT HAS REPORTED SIGNIFICANT IMPROVEMENTS IN
VISIBILITY ACROSS RENVILLE...SIBLEY...AND YELLOW MEDICINE 
COUNTIES. THEREFORE...THE BLIZZARD WARNING HAS BEEN CANCELLED. A
WIND ADVISORY DOES REMAIN IN EFFECT UNTIL NOON.

$$

MNZ041-042-047>049-054>059-066-068-121400-
/O.CON.KMPX.BZ.W.0002.000000T0000Z-110312T1400Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-MCLEOD-CARVER-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD...MADISON...BENSON...MONTEVIDEO...WILLMAR...
LITCHFIELD...MONTICELLO...HUTCHINSON...CHASKA
429 AM CST SAT MAR 12 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS
MORNING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING.

* TIMING...BLIZZARD CONDITIONS IN PLACES THROUGH EARLY TO MID
  MORNING.

* MAIN IMPACT...BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITY.

* OTHER IMPACTS...WIND GUSTS OF 40 TO 45 MPH. A WIND ADVISORY IS
  IN EFFECT THROUGH NOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MNZ043>045-050-121800-
/O.CON.KMPX.WW.Y.0035.000000T0000Z-110312T1800Z/
MORRISON-MILLE LACS-KANABEC-BENTON-
INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA...FOLEY
429 AM CST SAT MAR 12 2011

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

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

* TIMING...BLOWING SNOW THROUGH THIS MORNING.

* MAIN IMPACT...BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITY AT
  TIMES.

* OTHER IMPACTS...WIND GUSTS OF 35 TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$
154 
WWUS43 KMPX 121400
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
800 AM CST SAT MAR 12 2011

...BLIZZARD CONDITIONS HAVE COME TO AN END...

.WINDS HAVE DECREASED SOME THIS MORNING...WHICH HAS ALLOWED FOR
GROUND BLIZZARD CONDITIONS TO SUBSIDE ACROSS PARTS OF WEST CENTRAL
AND CENTRAL MINNESOTA. HOWEVER...THE LIGHT SNOW AND BLOWING SNOW
FROM LAST NIGHT HAS CREATED A LAYER OF ICE ON MANY AREA ROADS AND
TRAFFIC WILL REMAIN VERY DIFFICULT THROUGH THE MORNING. A WIND
ADVISORY REMAINS IN EFFECT FOR BOTH THE BLIZZARD WARNED AND WINTER
WEATHER ADVISORY COUNTIES THROUGH NOON TODAY.

MNZ041-042-047>049-054>059-066-068-121500-
/O.EXP.KMPX.BZ.W.0002.000000T0000Z-110312T1400Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-MCLEOD-CARVER-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD...MADISON...BENSON...MONTEVIDEO...WILLMAR...
LITCHFIELD...MONTICELLO...HUTCHINSON...CHASKA
800 AM CST SAT MAR 12 2011

...BLIZZARD WARNING WILL EXPIRE AT 8 AM CST THIS MORNING...

THE BLIZZARD WARNING WILL EXPIRE AT 8 AM CST THIS MORNING. 

REDUCED VISIBILITIES DUE TO BLOWING SNOW HAVE DIMINISHED.
HOWEVER...MANY ROADS REMAIN SLICK AND ICE COVERED FROM OVERNIGHT
SNOW AND BLOWING SNOW.

$$

MNZ043>045-050-121500-
/O.CAN.KMPX.WW.Y.0035.000000T0000Z-110312T1800Z/
MORRISON-MILLE LACS-KANABEC-BENTON-
INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA...FOLEY
800 AM CST SAT MAR 12 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS
CANCELLED THE WINTER WEATHER ADVISORY. 

REDUCED VISIBILITIES DUE TO BLOWING SNOW HAVE DIMINISHED.
HOWEVER...MANY ROADS REMAIN SLICK AND ICE COVERED FROM OVERNIGHT
SNOW AND BLOWING SNOW.

$$

Nearby

Blizzard Warnings in Minnesota, 2011Every blizzard warning in 2011

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.