Alert archive / Wisconsin / Frost Advisories in 2015
Frost Advisory 6, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Sep 30, 2015, 2:46 PM CDT for 6 counties in Wisconsin; 6 counties in Minnesota. It took effect at Oct 1, 2015, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Sep 30, 2015, 2:46 PM CDT (19:46 UTC)
- In effect from
- Oct 1, 2015, 1:00 AM CDT
- Expired
- Oct 1, 2015, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Twin Cities, MN
Counties Benton County, MN, Chisago County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Polk County, WI, Rusk County, WI
The radar
The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 19:44 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, 7.8 hours before the alert went out and 105 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
- 2146 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -119 m²/s²
- 0-3 km storm-relative helicity
- -86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
934 WWUS73 KMPX 301946 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 246 PM CDT WED SEP 30 2015 ...FROST TONIGHT FOR PORTIONS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN... .A FROST ADVISORY HAS BEEN ISSUED FROM 1 AM TO 8 AM CDT THURSDAY FOR AREAS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN ALONG AND NORTH OF A LINE FROM ST. CLOUD THROUGH NEW RICHMOND TO EAU CLAIRE. AREAS OF FROST ARE EXPECTED LATE TONIGHT AS LOW TEMPERATURES DROP INTO THE LOWER TO MIDDLE 30S. MNZ043>045-050-052-053-WIZ014>016-025-027-028-010400- /O.NEW.KMPX.FR.Y.0006.151001T0600Z-151001T1300Z/ MORRISON-MILLE LACS-KANABEC-BENTON-ISANTI-CHISAGO-POLK-BARRON- RUSK-DUNN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... FOLEY...CAMBRIDGE...CENTER CITY...OSCEOLA...RICE LAKE... LADYSMITH...MENOMONIE...CHIPPEWA FALLS...EAU CLAIRE 246 PM CDT WED SEP 30 2015 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY. * LOCATION...PORTIONS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN. * TEMPERATURES...OVERNIGHT LOWS IN THE LOWER TO MIDDLE 30S. * IMPACTS...OUTDOOR PLANTS AND VEGETATION COULD BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
1 follow-up statement
476 WWUS73 KMPX 010651 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 151 AM CDT THU OCT 1 2015 ...FROST EARLY THIS MORNING FOR PORTIONS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN... .A FROST ADVISORY REMAINS IN EFFECT THROUGH 8 AM CDT THIS MORNING FOR AREAS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN ALONG AND NORTH OF A LINE FROM ST. CLOUD THROUGH NEW RICHMOND TO EAU CLAIRE. AREAS OF FROST ARE EXPECTED AS LOW TEMPERATURES DROP INTO THE LOWER TO MIDDLE 30S. MNZ043>045-050-052-053-WIZ014>016-025-027-028-011300- /O.CON.KMPX.FR.Y.0006.000000T0000Z-151001T1300Z/ MORRISON-MILLE LACS-KANABEC-BENTON-ISANTI-CHISAGO-POLK-BARRON- RUSK-DUNN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... FOLEY...CAMBRIDGE...CENTER CITY...OSCEOLA...RICE LAKE... LADYSMITH...MENOMONIE...CHIPPEWA FALLS...EAU CLAIRE 151 AM CDT THU OCT 1 2015 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * LOCATION...PORTIONS OF CENTRAL MINNESOTA AND WESTERN WISCONSIN. * TEMPERATURES...LOWS IN THE LOWER TO MIDDLE 30S. * IMPACTS...OUTDOOR PLANTS AND VEGETATION COULD BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
Nearby
Frost Advisories in Wisconsin, 2015Frost Advisories in Minnesota, 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.