Alert archive / North Dakota / Red Flag Warnings in 2012

Red Flag Warning 10, NWS Grand Forks, ND

September 12, 201214 counties in North Dakota; 14 counties in Minnesota

NWS Grand Forks, ND issued this red flag warning at Sep 12, 2012, 4:44 AM CDT for 14 counties in North Dakota; 14 counties in Minnesota. It took effect at Sep 12, 2012, 12:00 PM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 12, 2012, 4:44 AM CDT (09:44 UTC)
In effect from
Sep 12, 2012, 12:00 PM CDT
Expired
Sep 12, 2012, 7:00 PM CDT
In force
7 hr
Issued by
NWS Grand Forks, ND
All 28 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 45 km from the middle of the area, began a volume at 09:47 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

International Fa, MN (KINL), launched 00:00Z, 9.7 hours before the alert went out and 285 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.

Skew-T log-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2012-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2012-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1516 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

724 
WWUS83 KFGF 120944
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
444 AM CDT WED SEP 12 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
AND EARLY THIS EVENING GENERALLY NORTH OF HIGHWAY 2...

.VERY DRY FUELS...GUSTY NORTHWEST WINDS AND LOW HUMIDITY AROUND
20 PERCENT WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS
PARTS OF EASTERN NORTH DAKOTA AND PARTS OF NORTHWEST MINNESOTA.

MNZ001-004>009-013>017-NDZ006>008-014>016-024-026-027-054-121745-
/O.UPG.KFGF.FW.A.0008.120912T1700Z-120913T0000Z/
/O.NEW.KFGF.FW.W.0010.120912T1700Z-120913T0000Z/
WEST POLK-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL-
EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK-
NORTH CLEARWATER-SOUTH BELTRAMI-TOWNER-CAVALIER-PEMBINA-BENSON-
RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS-WESTERN WALSH-
444 AM CDT WED SEP 12 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR VERY DRY FUELS...STRONG WINDS AND LOW RELATIVE HUMIDITIES
FOR MUCH OF NORTHEAST NORTH DAKOTA AND PARTS OF NORTHWEST MINNESOTA...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR VERY DRY FUELS...STRONG WINDS AND LOW RELATIVE
HUMIDITIES...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 001...004... 
  005...006...007...008...009...013...014...015...016 AND 017. 
  IN NORTH DAKOTA...FIRE WEATHER ZONES 006...007...008...014...
  015... 016...024...026...027 AND 054.

* TIMING...A FEW HOURS OF CRITICAL FIRE WEATHER CONDITIONS WILL 
  OCCUR DURING THE AFTERNOON. WINDS WILL SHIFT TO THE WEST AND 
  INCREASE. THEN...HUMIDITY WILL QUICKLY DROP. 

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 18 PERCENT.

* TEMPERATURES...IN THE MID 60S.

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. OUTDOOR 
  BURNING IS RESTRICTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
2 follow-up statements
195 
WWUS83 KFGF 121538
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
1038 AM CDT WED SEP 12 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
AND EARLY THIS EVENING NORTH OF INTERSTATE 94/US 10 CORRIDOR...

.VERY DRY FUELS...NORTHWEST WINDS GUSTING TO OVER 30 MPH AND LOW
HUMIDITY DROPPING TOWARD 15 PERCENT WILL PRODUCE CRITICAL FIRE
WEATHER CONDITIONS ACROSS PARTS OF EASTERN NORTH DAKOTA AND NORTHWEST
MINNESOTA. HIGHER CLOUDS OVER WEST CENTRAL MINNESOTA WILL MOVE
EAST EARLY THIS AFTERNOON...ALLOWING RAPID MIXING OF DRIER AIR AND
GUSTY WINDS TO THE SURFACE OVER PORTIONS OF THE LAKES COUNTRY OF
MINNESOTA.

MNZ002-003-022>024-027-028-NDZ028>030-038-039-122345-
/O.EXA.KFGF.FW.W.0010.120912T1700Z-120913T0000Z/
NORMAN-CLAY-MAHNOMEN-SOUTH CLEARWATER-HUBBARD-WEST BECKER-
EAST BECKER-GRIGGS-STEELE-TRAILL-BARNES-CASS-
1038 AM CDT WED SEP 12 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR VERY DRY 
FUELS...STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR PARTS OF WEST 
CENTRAL MINNESOTA...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR VERY DRY FUELS...STRONG WINDS AND LOW RELATIVE
HUMIDITIES...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 002...003... 
  022...023...024...027 AND 028. IN NORTH DAKOTA...FIRE WEATHER 
  ZONES 028...029...030...038 AND 039.

* TIMING...A FEW HOURS OF CRITICAL FIRE WEATHER CONDITIONS WILL
  OCCUR DURING THE AFTERNOON. WINDS WILL BE OUT OF THE WEST WITH
  GUSTS OVER 30 MPH. THEN...HUMIDITY WILL QUICKLY DROP.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* TEMPERATURES...IN THE UPPER 60S.

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. OUTDOOR 
  BURNING IS RESTRICTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

MNZ001-004>009-013>017-NDZ006>008-014>016-024-026-027-054-122345-
/O.CON.KFGF.FW.W.0010.120912T1700Z-120913T0000Z/
WEST POLK-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL-
EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK-
NORTH CLEARWATER-SOUTH BELTRAMI-TOWNER-CAVALIER-PEMBINA-BENSON-
RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS-WESTERN WALSH-
1038 AM CDT WED SEP 12 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR VERY DRY FUELS...STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR
MUCH OF NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA...

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 001...004... 
  005...006...007...008...009...013...014...015...016 AND 017. 
  IN NORTH DAKOTA...FIRE WEATHER ZONES 006...007...008...014...
  015... 016...024...026...027 AND 054.

* TIMING...A FEW HOURS OF CRITICAL FIRE WEATHER CONDITIONS WILL 
  OCCUR DURING THE AFTERNOON. WINDS WILL SHIFT TO THE WEST AND 
  INCREASE. THEN...HUMIDITY WILL QUICKLY DROP. 

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 18 PERCENT.

* TEMPERATURES...IN THE MID 60S.

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. OUTDOOR 
  BURNING IS RESTRICTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WJB
444 
WWUS83 KFGF 122349
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
649 PM CDT WED SEP 12 2012

...CONDITIONS WILL CONTINUE TO IMPROVE THIS EVENING...

.WINDS WILL CONTINUE TO QUICKLY SUBSIDE AROUND SUNSET...AND
RELATIVE HUMIDITIES WILL QUICKLY RECOVER. THEREFORE THE RED FLAG
WARNING WILL EXPIRE AT 7 PM THIS EVENING.

MNZ001>009-013>017-022>024-027-028-NDZ006>008-014>016-024-026>030-
038-039-054-130100-
/O.EXP.KFGF.FW.W.0010.000000T0000Z-120913T0000Z/
WEST POLK-NORMAN-CLAY-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-WEST BECKER-EAST BECKER-TOWNER-CAVALIER-
PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS-
GRIGGS-STEELE-TRAILL-BARNES-CASS-WESTERN WALSH-
649 PM CDT WED SEP 12 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING...

WINDS WILL CONTINUE TO QUICKLY SUBSIDE AROUND SUNSET...AND
RELATIVE HUMIDITIES WILL RECOVER. THE CRITICAL FIRE WEATHER
CONDITIONS WILL IMPROVE THIS EVENING...AND THE RED FLAG WARNING
WILL EXPIRE AT 7 PM THIS EVENING.

$$

DK

Nearby

Red Flag Warnings in North Dakota, 2012Red Flag Warnings in Minnesota, 2012Every red flag warning 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.