Alert archive / Minnesota / Frost Advisories in 2015
Frost Advisory 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Sep 29, 2015, 2:01 PM CDT for 6 counties in Minnesota; 6 counties in Wisconsin. It took effect at Sep 30, 2015, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Sep 29, 2015, 2:01 PM CDT (19:01 UTC)
- In effect from
- Sep 30, 2015, 1:00 AM CDT
- Expired
- Sep 30, 2015, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Benton County, MN, Sherburne County, MN, Stearns County, MN, Todd County, MN, Washington County, MN, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 63 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 65 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
- 1989 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -145 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
354 WWUS73 KMPX 291901 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 201 PM CDT TUE SEP 29 2015 ...FROST AND SUB-FREEZING TEMPERATURES ACROSS PARTS OF THE AREA TONIGHT... .HIGH PRESSURE HAS MOVED IN TO THE UPPER MIDWEST TODAY. CLEAR AND CALM CONDITIONS TONIGHT WILL ALLOW TEMEPRATURES TO FALL INTO THE UPPER 20S TO MIDDLE 30S ACROSS WEST CENTRAL WISCONSIN THROUGH EAST CENTRAL MINNESOTA. MNZ043>045-052-053-WIZ014>016-300315- /O.NEW.KMPX.FZ.W.0001.150930T0600Z-150930T1300Z/ MORRISON-MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CAMBRIDGE...CENTER CITY...OSCEOLA...RICE LAKE...LADYSMITH 201 PM CDT TUE SEP 29 2015 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY. * TEMPERATURES IN THE UPPER 20S TO LOWER 30S ARE EXPECTED BY EARLY TOMORROW MORNING. A FEW SPOTS COULD FALL AS LOW AS THE MID 20S. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ042-049>051-061-063-WIZ023>028-300315- /O.NEW.KMPX.FR.Y.0005.150930T0600Z-150930T1300Z/ TODD-STEARNS-BENTON-SHERBURNE-ANOKA-WASHINGTON-ST. CROIX-PIERCE- DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LONG PRAIRIE...ST. CLOUD...FOLEY... ELK RIVER...BLAINE...STILLWATER...HUDSON...PRESCOTT...MENOMONIE... DURAND...CHIPPEWA FALLS...EAU CLAIRE 201 PM CDT TUE SEP 29 2015 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY. * TEMPERATURES IN THE LOW TO MIDDLE 30S ARE EXPECTED BY TOMORROW MORNING. SOME ISOLATED SPOTS COULD GET AS COLD AS 30 DEGREES. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE DAMAGED OR POSSIBLY KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER COVERING OUTDOOR VEGETATION OR BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
335 WWUS73 KMPX 300300 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1000 PM CDT TUE SEP 29 2015 ...FROST AND BELOW FREEZING TEMPERATURES EXPECTED FOR PARTS OF WESTERN WISCONSIN AND EAST CENTRAL MINNESOTA EARLY WEDNESDAY MORNING... .HIGH PRESSURE OVER THE AREA WILL PRODUCE CLEAR AND CALM CONDITIONS TONIGHT...ALLOWING TEMPERATURES TO FALL INTO THE UPPER 20S TO MIDDLE 30S ACROSS WEST CENTRAL WISCONSIN THROUGH EAST CENTRAL MINNESOTA. MNZ043>045-052-053-WIZ014>016-301300- /O.CON.KMPX.FZ.W.0001.150930T0600Z-150930T1300Z/ MORRISON-MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CAMBRIDGE...CENTER CITY...OSCEOLA...RICE LAKE...LADYSMITH 1000 PM CDT TUE SEP 29 2015 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * TEMPERATURES IN THE UPPER 20S TO LOWER 30S ARE EXPECTED BY EARLY WEDNESDAY MORNING. A FEW SPOTS COULD FALL AS LOW AS THE MID 20S. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ042-049>051-061-063-WIZ023>028-301300- /O.CON.KMPX.FR.Y.0005.150930T0600Z-150930T1300Z/ TODD-STEARNS-BENTON-SHERBURNE-ANOKA-WASHINGTON-ST. CROIX-PIERCE- DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LONG PRAIRIE...ST. CLOUD...FOLEY... ELK RIVER...BLAINE...STILLWATER...HUDSON...PRESCOTT...MENOMONIE... DURAND...CHIPPEWA FALLS...EAU CLAIRE 1000 PM CDT TUE SEP 29 2015 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * TEMPERATURES IN THE LOW TO MIDDLE 30S ARE EXPECTED BY WEDNESDAY MORNING. SOME ISOLATED SPOTS COULD GET AS COLD AS 30 DEGREES. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE DAMAGED OR POSSIBLY KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER COVERING OUTDOOR VEGETATION OR BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED. && $$
271 WWUS73 KMPX 300812 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 312 AM CDT WED SEP 30 2015 ...FROST AND BELOW FREEZING TEMPERATURES EXPECTED FOR PARTS OF WESTERN WISCONSIN AND EAST CENTRAL MINNESOTA EARLY THIS MORNING... .LIGHT WINDS AND A CLEAR SKY WILL PRODUCE LOW TEMPERATURES IN THE UPPER 20S TO MID 30S ACROSS WEST CENTRAL WISCONSIN THROUGH EAST CENTRAL MINNESOTA. FREEZE WARNINGS AND FROST ADVISORIES REMAIN IN EFFECT FOR THE AREA NORTHEAST OF A LINE FROM SAUK CENTRE...BLAINE AND COTTAGE GROVE IN MINNESOTA...AND ALL OF WEST CENTRAL WISCONSIN UNTIL 8AM. MNZ043>045-052-053-WIZ014>016-301300- /O.CON.KMPX.FZ.W.0001.000000T0000Z-150930T1300Z/ MORRISON-MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... CAMBRIDGE...CENTER CITY...OSCEOLA...RICE LAKE...LADYSMITH 312 AM CDT WED SEP 30 2015 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TEMPERATURES IN THE UPPER 20S TO LOWER 30S ARE EXPECTED THROUGH 8 AM. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ042-049>051-061-063-WIZ023>028-301300- /O.CON.KMPX.FR.Y.0005.000000T0000Z-150930T1300Z/ TODD-STEARNS-BENTON-SHERBURNE-ANOKA-WASHINGTON-ST. CROIX-PIERCE- DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LONG PRAIRIE...ST. CLOUD...FOLEY... ELK RIVER...BLAINE...STILLWATER...HUDSON...PRESCOTT...MENOMONIE... DURAND...CHIPPEWA FALLS...EAU CLAIRE 312 AM CDT WED SEP 30 2015 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TEMPERATURES IN THE LOW TO MIDDLE 30S ARE EXPECTED BY WEDNESDAY MORNING. SOME ISOLATED SPOTS COULD GET AS COLD AS 30 DEGREES. * IMPACTS...PLANTS AND VEGETATION OUTDOORS WILL BE DAMAGED OR POSSIBLY KILLED IF PRECAUTIONS ARE NOT TAKEN. CONSIDER COVERING OUTDOOR VEGETATION OR BRINGING PLANTS INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED. && $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 2:01 PM CDT | Freeze Warning | MPX | Chisago, Isanti, Kanabec, Mille Lacs, Morrison | 18 hr |
Nearby
Frost Advisories in Minnesota, 2015Frost Advisories in Wisconsin, 2015Every frost advisory in 2015
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.