Alert archive / Wisconsin / Frost Advisories in 2011
Frost Advisory 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Sep 15, 2011, 11:27 AM CDT for 6 counties in Wisconsin; 6 counties in Minnesota. It took effect at Sep 16, 2011, 2:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 15, 2011, 11:27 AM CDT (16:27 UTC)
- In effect from
- Sep 16, 2011, 2:00 AM CDT
- Expired
- Sep 16, 2011, 8:00 AM CDT
- In force
- 6 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 16:24 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, 4.5 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
- 1131 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
603 WWUS73 KMPX 151627 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1127 AM CDT THU SEP 15 2011 ...AREAS OF FROST AND NEAR-FREEZING TEMPERATURES EXPECTED AGAIN TONIGHT... .A FROST ADVISORY HAS BEEN ISSUED FOR TONIGHT FROM 2 AM TO 8 AM FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE ADVISORY IS IN EFFECT FOR LOCATIONS ALONG AND NORTH OF A LINE FROM LITTLE FALLS...TO OSCEOLA...TO MENOMINEE AND EAU CLAIRE. A LARGE DOME OF COLD AND DRY CANADIAN HIGH PRESSURE WILL ONLY SHIFT SLIGHTLY EAST TONIGHT...THIS WILL AGAIN ALLOW WINDS TO BECOME CALM OVERNIGHT. AS A RESULT...TEMPERATURES ARE EXPECTED TO DROP TO NEAR FREEZING ONCE AGAIN IN THE ADVISORY AREA. TEMPERATURES THIS LOW WILL RESULT IN THE FORMATION OF FROST. SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES IF LEFT UNPROTECTED. MNZ043>045-050-052-053-WIZ014>016-025-027-028-160030- /O.NEW.KMPX.FR.Y.0005.110916T0700Z-110916T1300Z/ 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...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE... CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 1127 AM CDT THU SEP 15 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY. * TEMPERATURE...LOWS TONIGHT WILL FALL TO BETWEEN 30 AND 35. * IMPACTS...SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES IF LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
790 WWUS73 KMPX 160028 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 728 PM CDT THU SEP 15 2011 ...AREAS OF FROST AND NEAR-FREEZING TEMPERATURES EXPECTED AGAIN TONIGHT... .A FROST ADVISORY REMAINS IN EFFECT TONIGHT FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE ADVISORY IS ALONG AND NORTH OF A LINE FROM LITTLE FALLS...TO OSCEOLA...TO MENOMINEE AND EAU CLAIRE. A LARGE DOME OF COLD AND DRY CANADIAN HIGH PRESSURE WILL ONLY SHIFT SLIGHTLY EAST TONIGHT. THIS WILL AGAIN ALLOW WINDS TO BECOME CALM OVERNIGHT. AS A RESULT...TEMPERATURES ARE EXPECTED TO DROP TO NEAR FREEZING ACROSS THE THE ADVISORY AREA. TEMPERATURES THIS LOW WILL RESULT IN THE FORMATION OF FROST. SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES IF LEFT UNPROTECTED. MNZ043>045-050-052-053-WIZ014>016-025-027-028-160830- /O.CON.KMPX.FR.Y.0005.110916T0700Z-110916T1300Z/ MORRISON-MILLE LACS-KANABEC-BENTON-ISANTI-CHISAGO-POLK-BARRON- RUSK-DUNN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...LITTLE FALLS...PRINCETON...MORA... FOLEY...CAMBRIDGE...CENTER CITY...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE... CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 728 PM CDT THU SEP 15 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY. * TEMPERATURE...LOWS TONIGHT WILL FALL TO BETWEEN 30 AND 35. * IMPACTS...SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES IF LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
233 WWUS73 KMPX 160757 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 257 AM CDT FRI SEP 16 2011 ...AREAS OF FROST AND NEAR-FREEZING TEMPERATURES EXPECTED THIS EARLY MORNING... .A FROST ADVISORY REMAINS IN EFFECT FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN THROUGH 8 AM THIS MORNING. THE ADVISORY IS ALONG AND NORTH OF A LINE FROM LITTLE FALLS...TO OSCEOLA...TO MENOMINEE AND EAU CLAIRE. A LARGE DOME OF COLD AND DRY CANADIAN HIGH PRESSURE IS OVER THE REGION THIS MORNING. AS A RESULT...TEMPERATURES WILL GENERALLY HOLD STEADY IN THE LOWER TO MID 30S ACROSS MUCH OF THE ADVISORY AREA. TEMPERATURES THIS LOW WILL RESULT IN THE FORMATION OF FROST. UNCOVERED SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES. MNZ043>045-050-052-053-WIZ014>016-025-027-028-161300- /O.CON.KMPX.FR.Y.0005.000000T0000Z-110916T1300Z/ 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...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE... CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 257 AM CDT FRI SEP 16 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING. * TEMPERATURE...NEARLY STEADY BETWEEN 31 AND 36 DEGREES. * IMPACTS...UNCOVERED SENSITIVE OUTDOOR PLANTS WILL BE IMPACTED BY THESE COLD TEMPERATURES. 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, 2011Frost Advisories in Minnesota, 2011Every frost advisory 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.