Alert archive / Minnesota / Freeze Warnings in 2009

Freeze Warning 2, NWS Twin Cities, MN

October 8, 200923 counties in Minnesota

NWS Twin Cities, MN issued this freeze warning at Oct 8, 2009, 3:20 AM CDT for 23 counties in Minnesota. It took effect at Oct 8, 2009, 11:00 PM CDT. It was in force for 10 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
Oct 8, 2009, 3:20 AM CDT (08:20 UTC)
In effect from
Oct 8, 2009, 11:00 PM CDT
Expired
Oct 9, 2009, 9:00 AM CDT
In force
10 hr
Issued by
NWS Twin Cities, MN
All 23 counties

Anoka County, MN, Benton County, MN, Chippewa County, MN, Chisago County, MN, Douglas County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Sherburne 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), 101 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 98 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 2009-10-08Temperature 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 2009-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.1939587897117136Sfc1 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
2007 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
242 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 
WWUS73 KMPX 080820
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
320 AM CDT THU OCT 8 2009

...FREEZE WARNING TONIGHT...

.A FREEZE WARNING HAS BEEN ISSUED FOR PORTIONS OF CENTRAL AND
WESTERN MINNESOTA FOR TONIGHT. THE WARNING IS ROUGHLY ALONG AND WEST OF
A LINE FROM LITTLE FALLS TO ST. CLOUD TO REDWOOD FALLS.

SKIES WILL CLEAR TONIGHT AS HIGH PRESSURE MOVES IN FROM THE
DAKOTAS. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE UPPER
20S DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS EXPECTED...
WHICH WILL BRING AN END TO THE GROWING SEASON.

MNZ041>043-047>050-054>058-064-065-073-081630-
/O.NEW.KMPX.FZ.W.0002.091009T0400Z-091009T1400Z/
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
320 AM CDT THU OCT 8 2009

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY. 

SKIES WILL CLEAR TONIGHT AS HIGH PRESSURE MOVES IN FROM THE
DAKOTAS. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE UPPER
20S BY DAYBREAK FRIDAY. A WIDESPREAD FREEZE IS EXPECTED...
WHICH WILL BRING AN END TO THE GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

RAH/MDB
4 follow-up statements
000 
WWUS73 KMPX 081602
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1102 AM CDT THU OCT 8 2009

...FREEZE WARNING TONIGHT IN WESTERN AND PORTIONS OF CENTRAL
MINNESOTA...

.A FREEZE WARNING CONTINUES FOR MUCH OF WEST CENTRAL MINNESOTA
FOR TONIGHT. THE WARNING IS ROUGHLY ALONG AND WEST OF A LINE FROM
LITTLE FALLS TO ST. CLOUD TO REDWOOD FALLS.

SKIES WILL CLEAR LATE THIS AFTERNOON AND EVENING AS HIGH PRESSURE
EXPANDS IN FROM THE DAKOTAS. TEMPERATURES WILL FALL BELOW
FREEZING...REACHING THE UPPER 20S DURING THE OVERNIGHT HOURS. A
WIDESPREAD FREEZE IS EXPECTED OVER WEST CENTRAL MINNESOTA...WHICH
WILL BRING AN END TO THE GROWING SEASON.


MNZ041>043-047>050-054>058-064-065-073-090015-
/O.CON.KMPX.FZ.W.0002.091009T0400Z-091009T1400Z/
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
1102 AM CDT THU OCT 8 2009

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY. 

SKIES WILL CLEAR LATE THIS AFTERNOON AND EVENING AS HIGH PRESSURE
EXPANDS IN FROM THE DAKOTAS. TEMPERATURES WILL FALL BELOW
FREEZING...REACHING THE UPPER 20S DURING THE OVERNIGHT HOURS. A
WIDESPREAD FREEZE IS EXPECTED OVER WEST CENTRAL MINNESOTA...WHICH
WILL BRING AN END TO THE GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
000 
WWUS73 KMPX 082026
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
326 PM CDT THU OCT 8 2009

...FREEZE WARNING TONIGHT IN WESTERN AND PORTIONS OF CENTRAL
MINNESOTA...

.A FREEZE WARNING CONTINUES FOR MUCH OF WEST CENTRAL MINNESOTA
FOR TONIGHT. THE WARNING IS ROUGHLY ALONG AND WEST OF A LINE FROM
LITTLE FALLS TO ST. CLOUD TO REDWOOD FALLS.

SKIES WILL CLEAR AS HIGH PRESSURE EXPANDS IN FROM THE DAKOTAS TONIGHT.
TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE UPPER 20S
DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS EXPECTED OVER
WEST CENTRAL MINNESOTA...WHICH WILL BRING AN END TO THE GROWING
SEASON.

MNZ041>043-047>050-054>058-064-065-073-090430-
/O.CON.KMPX.FZ.W.0002.091009T0400Z-091009T1400Z/
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
326 PM CDT THU OCT 8 2009

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY. 

SKIES WILL CLEAR AS HIGH PRESSURE EXPANDS IN FROM THE DAKOTAS
TONIGHT. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE
UPPER 20S DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS
EXPECTED OVER WEST CENTRAL MINNESOTA...WHICH WILL BRING AN END TO
THE GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
000 
WWUS73 KMPX 082224
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
524 PM CDT THU OCT 8 2009

...FREEZE WARNING TONIGHT IN WEST CENTRAL AND CENTRAL MINNESOTA...

.A FREEZE WARNING IS IN EFFECT FOR MUCH OF WEST CENTRAL AND
CENTRAL MINNESOTA FOR TONIGHT. THE WARNING HAS BEEN EXPANDED TO
INCLUDE AREAS AROUND CAMBRIDGE...PRINCETON...ISANTI...BUFFALO AND
HUTCHINSON.

SKIES WILL CLEAR AS HIGH PRESSURE EXPANDS IN FROM THE DAKOTAS
TONIGHT. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE
UPPER 20S DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS
EXPECTED OVER WEST CENTRAL AND CENTRAL MINNESOTA...WHICH WILL
BRING AN END TO THE GROWING SEASON.

MNZ044-045-051>053-059-061-066-090630-
/O.EXA.KMPX.FZ.W.0002.091009T0400Z-091009T1400Z/
MILLE LACS-KANABEC-SHERBURNE-ISANTI-CHISAGO-WRIGHT-ANOKA-MCLEOD-
INCLUDING THE CITIES OF...PRINCETON...MORA...ELK RIVER...
CAMBRIDGE...CENTER CITY...MONTICELLO...BLAINE...HUTCHINSON
524 PM CDT THU OCT 8 2009

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY. 

SKIES WILL CLEAR AS HIGH PRESSURE EXPANDS IN FROM THE DAKOTAS
TONIGHT. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE
UPPER 20S DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS
EXPECTED OVER THE AREA...WHICH WILL BRING AN END TO THE GROWING
SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MNZ041>043-047>050-054>058-064-065-073-090630-
/O.CON.KMPX.FZ.W.0002.091009T0400Z-091009T1400Z/
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
524 PM CDT THU OCT 8 2009

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT FRIDAY. 

SKIES WILL CLEAR AS HIGH PRESSURE EXPANDS IN FROM THE DAKOTAS
TONIGHT. TEMPERATURES WILL FALL BELOW FREEZING...REACHING THE
UPPER 20S DURING THE OVERNIGHT HOURS. A WIDESPREAD FREEZE IS
EXPECTED OVER THE AREA...WHICH WILL BRING AN END TO THE GROWING
SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
000 
WWUS73 KMPX 090617
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
117 AM CDT FRI OCT 9 2009

...FREEZE WARNING FOR WEST CENTRAL AND CENTRAL MINNESOTA...

.A FREEZE WARNING REMAINS IN EFFECT EARLY THIS MORNING FOR MUCH
OF WEST CENTRAL AND CENTRAL MINNESOTA. 

HIGH PRESSURE HAS SPREAD INTO WESTERN AND CENTRAL MINNESOTA EARLY
THIS MORNING ALONG WITH CLEAR SKIES AND LIGHT WINDS. TEMPERATURES
HAVE ALREADY FALLEN BELOW FREEZING OVER MUCH OF THE WARNING AREA.
LOW TEMPERATURES WILL REACH THE MIDDLE TO UPPER 20S BY DAYBREAK.
THIS WILL BRING AN END TO THE GROWING SEASON.

MNZ041>045-047>059-061-064>066-073-091400-
/O.CON.KMPX.FZ.W.0002.000000T0000Z-091009T1400Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-ANOKA-YELLOW MEDICINE-RENVILLE-MCLEOD-
REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...MORRIS...GLENWOOD...ST. CLOUD...
FOLEY...ELK RIVER...CAMBRIDGE...CENTER CITY...MADISON...BENSON...
MONTEVIDEO...WILLMAR...LITCHFIELD...MONTICELLO...BLAINE...
GRANITE FALLS...OLIVIA...HUTCHINSON...REDWOOD FALLS
117 AM CDT FRI OCT 9 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. 

HIGH PRESSURE HAS SPREAD INTO WESTERN AND CENTRAL MINNESOTA EARLY
THIS MORNING ALONG WITH CLEAR SKIES AND LIGHT WINDS. TEMPERATURES
HAVE ALREADY FALLEN BELOW FREEZING OVER MUCH OF THE WARNING AREA.
LOW TEMPERATURES WILL REACH THE MIDDLE TO UPPER 20S BY DAYBREAK.
THIS WILL BRING AN END TO THE GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

RAH

Nearby

Freeze Warnings in Minnesota, 2009Every freeze warning 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.