Alert archive / North Dakota / Frost Advisories in 2012
Frost Advisory 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this frost advisory at Sep 8, 2012, 8:07 PM CDT for 10 counties in North Dakota. It took effect at Sep 9, 2012, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Sep 8, 2012, 8:07 PM CDT (01:07 UTC)
- In effect from
- Sep 9, 2012, 1:00 AM CDT
- Expired
- Sep 9, 2012, 7:40 AM CDT
- In force
- 7 hr
- Issued by
- NWS Grand Forks, ND
Counties Barnes County, ND, Benson County, ND, Cavalier County, ND, Eddy County, ND, Griggs County, ND, Nelson County, ND, Ramsey County, ND, Ransom County, ND, Sargent County, ND, Towner County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 85 km from the middle of the area, began a volume at 01:06 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 00:00Z, 1.1 hours before the alert went out and 196 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
- 3233 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
254 WWUS73 KFGF 090107 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 807 PM CDT SAT SEP 8 2012 ...PATCHY FROST EXPECTED TONIGHT IN THE DEVILS LAKE BASIN SOUTH INTO RANSOM AND SARGENT COUNTIES... TEMPERATURES ARE EXPECTED TO FALL INTO THE MID 30S OVERNIGHT IN THE DEVILS LAKE BASIN SOUTH INTO PORTIONS OF SOUTHEAST NORTH DAKOTA. A VERY DRY AND COOL AIRMASS FOR EARLY SEPTEMBER WILL SETTLE OVER THE REGION TONIGHT. THE RESULT WILL BE CLEAR SKIES...LIGHT WINDS AND NEAR RECORD LOWS TONIGHT. NDZ006-007-014-015-024-026-028-038-049-052-091300- /O.NEW.KFGF.FR.Y.0004.120909T0600Z-120909T1300Z/ TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-RANSOM- SARGENT- INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS... DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY... LISBON...GWINNER 807 PM CDT SAT SEP 8 2012 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY. * TEMPERATURES WILL FALL INTO THE MID 30S OVERNIGHT IN THE DEVILS LAKE BASIN SOUTH INTO RANSOM AND SARGENT COUNTIES. PATCHY FROST IS EXPECTED OVERNIGHT THROUGH EARLY SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DK
2 follow-up statements
845 WWUS73 KFGF 090804 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 304 AM CDT SUN SEP 9 2012 ...PATCHY FROST EXPECTED TONIGHT IN THE DEVILS LAKE BASIN SOUTH INTO RANSOM AND SARGENT COUNTIES... TEMPERATURES ARE EXPECTED TO FALL INTO THE MID 30S OVERNIGHT IN THE DEVILS LAKE BASIN SOUTH INTO PORTIONS OF SOUTHEAST NORTH DAKOTA. A VERY DRY AND COOL AIRMASS FOR EARLY SEPTEMBER WILL SETTLE OVER THE REGION TONIGHT. THE RESULT WILL BE CLEAR SKIES... LIGHT WINDS AND NEAR RECORD LOWS TONIGHT. NDZ006-007-014-015-024-026-028-038-049-052-091300- /O.CON.KFGF.FR.Y.0004.000000T0000Z-120909T1300Z/ TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-RANSOM- SARGENT- INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS... DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY... LISBON...GWINNER 304 AM CDT SUN SEP 9 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TEMPERATURES WILL FALL INTO THE LOWER TO MID 30S OVERNIGHT IN THE DEVILS LAKE BASIN SOUTH INTO RANSOM AND SARGENT COUNTIES. PATCHY FROST IS EXPECTED OVERNIGHT THROUGH EARLY SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GUST
893 WWUS73 KFGF 091240 NPWFGF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND FORKS ND 740 AM CDT SUN SEP 9 2012 ...FROST ADVISORY IS CANCELLED... .MORNING SUNSHINE HAS PUT AN END TO THE RISK OF FROST ACROSS THE AREA. NDZ006-007-014-015-024-026-028-038-049-052-091345- /O.CAN.KFGF.FR.Y.0004.000000T0000Z-120909T1300Z/ TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-RANSOM- SARGENT- INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS... DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY... LISBON...GWINNER 740 AM CDT SUN SEP 9 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS CANCELLED THE FROST ADVISORY. MORNING SUNSHINE HAS PUT AN END TO THE RISK OF FROST ACROSS THE AREA. $$ GUST
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 6:04 PM CDT | Fire Weather Watch | FGF | Cass, Ransom, Richland, Sargent | 9 hr |
Nearby
Frost Advisories in North Dakota, 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.