Alert archive / Minnesota / Frost Advisories in 2009
Frost Advisory 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Jun 2, 2009, 1:51 PM CDT for 4 counties in Minnesota. It took effect at Jun 3, 2009, 2:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 2, 2009, 1:51 PM CDT (18:51 UTC)
- In effect from
- Jun 3, 2009, 2:00 AM CDT
- Expired
- Jun 3, 2009, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Twin Cities, MN
Counties Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 18:49 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, 6.9 hours before the alert went out and 131 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
- 1899 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS73 KMPX 021851 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 151 PM CDT TUE JUN 2 2009 ...FROST POSSIBLE TONIGHT ACROSS MUCH OF NORTHERN INTO CENTRAL MINNESOTA INTO WESTERN WISCONSIN... .A LARGE AREA OF COOL AND DRY HIGH PRESSURE WILL SETTLE INTO CENTRAL MINNESOTA OVERNIGHT. AS WINDS DECREASE THIS EVENING TEMPERATURES WILL TUMBLE QUICKLY. AREAS OF FROST ARE LIKELY FROM THE STAPLES AREA THEN THROUGH LITTLE FALLS...MILACA AND MORA LATE TONIGHT AS TEMPERATURES DIP INTO THE MID 30S. PATCHY FROST IS POSSIBLE AROUND ALEXANDRIA AND MORRIS AS WELL AS IN THE WESTERN WISCONSIN REGION AROUND AMERY...RICE LAKE AND LADYSMITH. MNZ042>045-030300- /O.NEW.KMPX.FR.Y.0002.090603T0700Z-090603T1200Z/ TODD-MORRISON-MILLE LACS-KANABEC- INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS... PRINCETON...MORA 151 PM CDT TUE JUN 2 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 7 AM CDT WEDNESDAY. A LARGE AREA OF COOL AND DRY HIGH PRESSURE WILL SETTLE INTO CENTRAL MINNESOTA OVERNIGHT. AS WINDS DECREASE THIS EVENING TEMPERATURES WILL TUMBLE QUICKLY. AREAS OF FROST ARE LIKELY FROM THE STAPLES AND LONG PRAIRIE AREAS THEN THROUGH LITTLE FALLS...MILACA AND MORA LATE TONIGHT AS TEMPERATURE DIP INTO THE MID 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
1 follow-up statement
000 WWUS73 KMPX 030232 NPWMPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 932 PM CDT TUE JUN 2 2009 ...FROST POSSIBLE TONIGHT ACROSS PORTIONS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .A FROST ADVISORY REMAINS IN EFFECT FOR LATE TONIGHT FOR AREAS OF CENTRAL MINNESOTA ALONG AND NORTH OF A LINE FROM LONG PRAIRIE TO LITTLE FALLS TO MORA. A LARGE AREA OF COOL AND DRY HIGH PRESSURE WILL SETTLE INTO CENTRAL MINNESOTA OVERNIGHT. WINDS WILL DIMINISH EARLY TONIGHT AND SKIES WILL BE CLEAR. AS A RESULT...FROST IS POSSIBLE OVERNIGHT IN THE ADVISORY AREA AS TEMPERATURES DIP INTO THE MIDDLE 30S. PATCHY FROST IS POSSIBLE AROUND ALEXANDRIA...MORRIS...BENSON... ST CLOUD AND CAMBRIDGE AS WELL AS IN WESTERN WISCONSIN AROUND AMERY...RICE LAKE AND LADYSMITH. MNZ042>045-031045- /O.CON.KMPX.FR.Y.0002.090603T0700Z-090603T1200Z/ TODD-MORRISON-MILLE LACS-KANABEC- INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS... PRINCETON...MORA 932 PM CDT TUE JUN 2 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT WEDNESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT WEDNESDAY. A LARGE AREA OF COOL AND DRY HIGH PRESSURE WILL SETTLE INTO CENTRAL MINNESOTA OVERNIGHT. WINDS WILL DIMINISH EARLY TONIGHT AND SKIES WILL BE CLEAR. AS A RESULT...FROST IS POSSIBLE OVERNIGHT FROM STAPLES THROUGH LONG PRAIRIE...LITTLE FALLS...MILACA AND MORA AS TEMPERATURES DIP INTO THE MIDDLE 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ RAH
Nearby
Frost Advisories in Minnesota, 2009Every frost advisory 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.