Alert archive / Minnesota / Frost Advisories in 2012
Frost Advisory 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Apr 26, 2012, 2:24 PM CDT for 8 counties in Minnesota; 4 counties in Wisconsin. It took effect at Apr 27, 2012, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 26, 2012, 2:24 PM CDT (19:24 UTC)
- In effect from
- Apr 27, 2012, 1:00 AM CDT
- Expired
- Apr 27, 2012, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Benton County, MN, Douglas County, MN, Isanti County, MN, Sherburne County, MN, Stearns County, MN, Todd County, MN, Washington County, MN, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 53 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 53 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -109 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
775 WWUS73 KMPX 261924 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 224 PM CDT THU APR 26 2012 ...A COLD NIGHT IS IN STORE FOR CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .A FREEZE WARNING HAS BEEN ISSUED FOR TONIGHT FOR PORTIONS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE FREEZE WARNING IS GENERALLY ALONG AND NORTH OF A LINE FROM LITTLE FALLS THROUGH BALSAM LAKE TO EAU CLAIRE. LOWS TONIGHT IN THE WARNING AREA ARE EXPECTED TO BE FROM 28 TO 32 DEGREES. A FROST ADVISORY HAS BEEN ISSUED AS WELL FOR TONIGHT JUST TO THE SOUTH OF THE FREEZE WARNING. THE FROST ADVISORY STRETCHES FROM ALEXANDRIA THROUGH THE NORTH METRO TO RIVER FALLS...MENOMONIE AND DURAND. LOWS TONIGHT ARE FORECAST TO BE IN THE 33 TO 36 DEGREE RANGE. TAKE APPROPRIATE ACTION NOW TO PROTECT COLD SENSITIVE PLANTS. MNZ043>045-053-WIZ014>016-027-028-270330- /O.NEW.KMPX.FZ.W.0007.120427T0600Z-120427T1300Z/ MORRISON-MILLE LACS-KANABEC-CHISAGO-POLK-BARRON-RUSK-CHIPPEWA- EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON... LADYSMITH...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 224 PM CDT THU APR 26 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY. * TIMING...BETWEEN 1 AM AND 8 AM. * TEMPERATURE...LOWS BETWEEN 28 AND 32 DEGREES. * IMPACTS...FRUIT TREES AND YOUNG VEGETATION WILL BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ041-042-049>052-061-063-WIZ023>026-270330- /O.NEW.KMPX.FR.Y.0001.120427T0600Z-120427T1300Z/ DOUGLAS-TODD-STEARNS-BENTON-SHERBURNE-ISANTI-ANOKA-WASHINGTON- ST. CROIX-PIERCE-DUNN-PEPIN- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...ST. CLOUD... FOLEY...ELK RIVER...CAMBRIDGE...BLAINE...STILLWATER...HUDSON... NEW RICHMOND...RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE... DURAND...PEPIN 224 PM CDT THU APR 26 2012 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY. * TIMING...BETWEEN 1 AM AND 8 AM. * TEMPERATURE...LOWS BETWEEN 33 AND 36 DEGREES. * IMPACTS...YOUNG VEGETATION MAY BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ RAH
2 follow-up statements
662 WWUS73 KMPX 270201 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 901 PM CDT THU APR 26 2012 ...A COLD NIGHT IS IN STORE FOR CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .A FREEZE WARNING HAS BEEN ISSUED FOR TONIGHT FOR PORTIONS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE FREEZE WARNING IS GENERALLY ALONG AND NORTH OF A LINE FROM LITTLE FALLS THROUGH BALSAM LAKE TO EAU CLAIRE. LOWS TONIGHT IN THE WARNING AREA ARE EXPECTED TO BE FROM 28 TO 32 DEGREES. A FROST ADVISORY HAS BEEN ISSUED AS WELL FOR TONIGHT JUST TO THE SOUTH OF THE FREEZE WARNING. THE FROST ADVISORY IS LOCATED FROM ALEXANDRIA THROUGH THE NORTH METRO TO RIVER FALLS...MENOMONIE AND DURAND. LOWS TONIGHT ARE FORECAST TO BE IN THE 33 TO 36 DEGREE RANGE. TAKE APPROPRIATE ACTION NOW TO PROTECT COLD SENSITIVE PLANTS. MNZ043>045-053-WIZ014>016-027-028-271015- /O.CON.KMPX.FZ.W.0007.120427T0600Z-120427T1300Z/ MORRISON-MILLE LACS-KANABEC-CHISAGO-POLK-BARRON-RUSK-CHIPPEWA- EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON... LADYSMITH...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 901 PM CDT THU APR 26 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY... * TIMING...BETWEEN 1 AM AND 8 AM. * TEMPERATURE...LOWS BETWEEN 28 AND 32 DEGREES. * IMPACTS...FRUIT TREES AND YOUNG VEGETATION WILL BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ041-042-049>052-061-063-WIZ023>026-271015- /O.CON.KMPX.FR.Y.0001.120427T0600Z-120427T1300Z/ DOUGLAS-TODD-STEARNS-BENTON-SHERBURNE-ISANTI-ANOKA-WASHINGTON- ST. CROIX-PIERCE-DUNN-PEPIN- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...ST. CLOUD... FOLEY...ELK RIVER...CAMBRIDGE...BLAINE...STILLWATER...HUDSON... NEW RICHMOND...RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE... DURAND...PEPIN 901 PM CDT THU APR 26 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY... * TIMING...BETWEEN 1 AM AND 8 AM. * TEMPERATURE...LOWS BETWEEN 33 AND 36 DEGREES. * IMPACTS...YOUNG VEGETATION MAY BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
871 WWUS73 KMPX 270924 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 424 AM CDT FRI APR 27 2012 ...SUB-FREEZING TEMPERATURES COMING TO AN END THIS MORNING FROM PARTS OF WEST CENTRAL WISCONSIN INTO PARTS OF CENTRAL MINNESOTA... .A FREEZE WARNING REMAINS IN EFFECT FOR PORTIONS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN THROUGH 8 AM THIS MORNING. TEMPERATURES OF 32 OR COLDER HAVE BEEN OBSERVED THIS MORNING MAINLY ALONG AND NORTH OF A MENOMONIE TO MORA LINE. A FROST ADVISORY REMAINS IN EFFECT THROUGH 8 AM AS WELL FOR JUST TO THE SOUTH OF THE FREEZE WARNING. THE FROST ADVISORY IS LOCATED FROM LONG PRAIRIE THROUGH THE NORTH METRO...TO MENOMONIE. LOWS TONIGHT ACROSS THE ADVISORY AREA HAVE FALLEN INTO THE 32 TO 36 RANGE. TAKE APPROPRIATE ACTION NOW TO PROTECT COLD SENSITIVE PLANTS. MNZ043>045-053-WIZ014>016-027-028-271300- /O.CON.KMPX.FZ.W.0007.000000T0000Z-120427T1300Z/ MORRISON-MILLE LACS-KANABEC-CHISAGO-POLK-BARRON-RUSK-CHIPPEWA- EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON... LADYSMITH...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 424 AM CDT FRI APR 27 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...THROUGH 8 AM. * TEMPERATURE...LOWS BETWEEN 28 AND 32 DEGREES. * IMPACTS...FRUIT TREES AND YOUNG VEGETATION WILL BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ041-042-049>052-061-063-WIZ023>026-271300- /O.CON.KMPX.FR.Y.0001.000000T0000Z-120427T1300Z/ DOUGLAS-TODD-STEARNS-BENTON-SHERBURNE-ISANTI-ANOKA-WASHINGTON- ST. CROIX-PIERCE-DUNN-PEPIN- INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...ST. CLOUD... FOLEY...ELK RIVER...CAMBRIDGE...BLAINE...STILLWATER...HUDSON... NEW RICHMOND...RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE... DURAND...PEPIN 424 AM CDT FRI APR 27 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...THROUGH 8 AM. * TEMPERATURE...LOWS BETWEEN 33 AND 36 DEGREES. * IMPACTS...YOUNG VEGETATION MAY BE AT RISK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 2:24 PM CDT | Freeze Warning | MPX | Chisago, Kanabec, Mille Lacs, Morrison | 18 hr |
Nearby
Frost Advisories in Minnesota, 2012Frost Advisories in Wisconsin, 2012Every frost 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.