Alert archive / North Dakota / Frost Advisories in 2012
Frost Advisory 7, NWS Grand Forks, ND
NWS Grand Forks, ND issued this frost advisory at Sep 17, 2012, 2:34 PM CDT for 12 counties in North Dakota; 5 counties in Minnesota. It took effect at Sep 18, 2012, 1:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Sep 17, 2012, 2:34 PM CDT (19:34 UTC)
- In effect from
- Sep 18, 2012, 1:00 AM CDT
- Expired
- Sep 18, 2012, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Grand Forks, ND
Counties Becker County, MN, Clay County, MN, Grant County, MN, Otter Tail County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Eddy County, ND, Griggs County, ND, Nelson County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 50 km from the middle of the area, began a volume at 19:35 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.6 hours before the alert went out and 242 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
- 47 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
817 WWUS73 KFGF 171934 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 234 PM CDT MON SEP 17 2012 ...ANOTHER CHILLY NIGHT EXPECTED... .HIGH PRESSURE WILL DRIFT ACROSS THE AREA TONIGHT. THIS WILL BRING A PERIOD OF CLEAR SKIES AND LIGHT WINDS WHICH WILL ALLOW TEMPERATURES TO GET QUITE CHILLY AGAIN. MNZ001-002-004>009-013>017-022>024-028-032-NDZ007-008-016-027-030- 054-181400- /O.NEW.KFGF.FZ.W.0003.120918T0600Z-120918T1400Z/ WEST POLK-NORMAN-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL- EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK- NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-SOUTH CLEARWATER-HUBBARD- EAST BECKER-WADENA-CAVALIER-PEMBINA-EASTERN WALSH-GRAND FORKS- TRAILL-WESTERN WALSH- INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS... HALSTAD...HALLOCK...ROSEAU...BAUDETTE...WARREN...NEWFOLDEN... RED LAKE...THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON... BAGLEY...BEMIDJI...MAHNOMEN...LAKE ITASCA...PARK RAPIDS... WOLF LAKE...WADENA...LANGDON...CAVALIER...GRAFTON...GRAND FORKS... MAYVILLE...ADAMS 234 PM CDT MON SEP 17 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY. * MORNING TEMPERATURES WILL BE IN THE UPPER 20S TO LOW 30S ACROSS PORTIONS OF NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ003-027-029>031-040-NDZ006-014-015-024-026-028-029-038-039-049- 052-053-181400- /O.NEW.KFGF.FR.Y.0007.120918T0600Z-120918T1400Z/ CLAY-WEST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-GRANT- TOWNER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-STEELE-BARNES-CASS-RANSOM- SARGENT-RICHLAND- INCLUDING THE CITIES OF...MOORHEAD...DETROIT LAKES... BRECKENRIDGE...FERGUS FALLS...NEW YORK MILLS...ELBOW LAKE... CANDO...MADDOCK...LEEDS...DEVILS LAKE...NEW ROCKFORD...LAKOTA... COOPERSTOWN...FINLEY...VALLEY CITY...FARGO...LISBON...GWINNER... WAHPETON 234 PM CDT MON SEP 17 2012 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT TUESDAY. * MORNING TEMPERATURES WILL BE IN THE LOW TO MID 30S ACROSS PORTIONS OF EASTERN NORTH DAKOTA AND WEST CENTRAL MINNESOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
921 WWUS73 KFGF 180908 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 408 AM CDT TUE SEP 18 2012 ...VERY COOL TEMPERATURES EXPECTED EARLY THIS MORNING... .LIGHT WINDS UNDER AN AREA OF HIGH PRESSURE WILL RESULT IN MORNING LOW TEMPERATURES IN THE UPPER 20S TO MID 30S BEFORE TEMPERATURES BEGIN TO CLIMB AFTER SUNRISE. MNZ001-002-004>009-013>017-022>024-028-032-NDZ007-008-016-027-030- 054-181400- /O.CON.KFGF.FZ.W.0003.000000T0000Z-120918T1400Z/ WEST POLK-NORMAN-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL- EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK- NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-SOUTH CLEARWATER-HUBBARD- EAST BECKER-WADENA-CAVALIER-PEMBINA-EASTERN WALSH-GRAND FORKS- TRAILL-WESTERN WALSH- INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS... HALSTAD...HALLOCK...ROSEAU...BAUDETTE...WARREN...NEWFOLDEN... RED LAKE...THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON... BAGLEY...BEMIDJI...MAHNOMEN...LAKE ITASCA...PARK RAPIDS... WOLF LAKE...WADENA...LANGDON...CAVALIER...GRAFTON...GRAND FORKS... MAYVILLE...ADAMS 408 AM CDT TUE SEP 18 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * MORNING TEMPERATURES WILL BE IN THE UPPER 20S TO LOW 30S ACROSS PORTIONS OF NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MNZ003-027-029>031-040-NDZ006-014-015-024-026-028-029-038-039-049- 052-053-181400- /O.CON.KFGF.FR.Y.0007.000000T0000Z-120918T1400Z/ CLAY-WEST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-GRANT- TOWNER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-STEELE-BARNES-CASS-RANSOM- SARGENT-RICHLAND- INCLUDING THE CITIES OF...MOORHEAD...DETROIT LAKES... BRECKENRIDGE...FERGUS FALLS...NEW YORK MILLS...ELBOW LAKE... CANDO...MADDOCK...LEEDS...DEVILS LAKE...NEW ROCKFORD...LAKOTA... COOPERSTOWN...FINLEY...VALLEY CITY...FARGO...LISBON...GWINNER... WAHPETON 408 AM CDT TUE SEP 18 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * MORNING TEMPERATURES WILL BE IN THE LOW TO MID 30S ACROSS PORTIONS OF EASTERN NORTH DAKOTA AND WEST CENTRAL MINNESOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ JAM
380 WWUS73 KFGF 181352 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 852 AM CDT TUE SEP 18 2012 MNZ001-002-004>009-013>017-022>024-028-032-NDZ007-008-016-027-030- 054-181500- /O.EXP.KFGF.FZ.W.0003.000000T0000Z-120918T1400Z/ WEST POLK-NORMAN-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL- EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK- NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-SOUTH CLEARWATER-HUBBARD- EAST BECKER-WADENA-CAVALIER-PEMBINA-EASTERN WALSH-GRAND FORKS- TRAILL-WESTERN WALSH- INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS... HALSTAD...HALLOCK...ROSEAU...BAUDETTE...WARREN...NEWFOLDEN... RED LAKE...THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON... BAGLEY...BEMIDJI...MAHNOMEN...LAKE ITASCA...PARK RAPIDS... WOLF LAKE...WADENA...LANGDON...CAVALIER...GRAFTON...GRAND FORKS... MAYVILLE...ADAMS 852 AM CDT TUE SEP 18 2012 ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... TEMPERATURES HAVE WARMED ABOVE FREEZING. $$ MNZ003-027-029>031-040-NDZ006-014-015-024-026-028-029-038-039-049- 052-053-181500- /O.EXP.KFGF.FR.Y.0007.000000T0000Z-120918T1400Z/ CLAY-WEST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-GRANT- TOWNER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-STEELE-BARNES-CASS-RANSOM- SARGENT-RICHLAND- INCLUDING THE CITIES OF...MOORHEAD...DETROIT LAKES... BRECKENRIDGE...FERGUS FALLS...NEW YORK MILLS...ELBOW LAKE... CANDO...MADDOCK...LEEDS...DEVILS LAKE...NEW ROCKFORD...LAKOTA... COOPERSTOWN...FINLEY...VALLEY CITY...FARGO...LISBON...GWINNER... WAHPETON 852 AM CDT TUE SEP 18 2012 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... TEMPERATURES HAVE WARMED AND FROST IS NO LONGER A HAZARD. $$ TG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 2:34 PM CDT | Freeze Warning | FGF | Cavalier, Grand Forks, Pembina, Traill, Walsh | 18 hr |
Nearby
Frost Advisories in North Dakota, 2012Frost Advisories in Minnesota, 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.