Alert archive / Minnesota / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Grand Forks, ND

May 18, 20127 counties in Minnesota

NWS Grand Forks, ND issued this red flag warning at May 18, 2012, 1:08 PM CDT for 7 counties in Minnesota. It was in force for 8 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 18, 2012, 1:08 PM CDT (18:08 UTC)
Expired
May 18, 2012, 9:00 PM CDT
In force
8 hr
Issued by
NWS Grand Forks, ND

Counties Becker County, MN, Clay County, MN, Grant County, MN, Hubbard County, MN, Otter Tail County, MN, Wadena County, MN, Wilkin County, MN

What was reported inside it

TimeReportWhereRemark
May 18, 7:10 PM CDTTSTM WND DMG3 Ne Nary, MNBELTRAMI COUNTY DEPUTY REPORTS SMALL TREES DOWN AT RESIDENCE NEAR HIGHWAY TWO AND HUBBARD COUNTY ROAD 45...NEAR GRACE LAKE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.1 hours before the alert went out and 257 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, Minneapolis, MN at 12:00Z on 2012-05-18Temperature 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, Minneapolis, MN at 12:00Z on 2012-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.19395878Sfc1 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
1992 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

884 
WWUS83 KFGF 181808
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
108 PM CDT FRI MAY 18 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
AND EARLY EVENING...

.HAZARDOUS FIRE WEATHER CONDITIONS ARE FORECAST ACROSS PARTS OF
WEST CENTRAL MINNESOTA THIS AFTERNOON INTO EARLY EVENING. SOUTH WINDS
ARE FORECAST FROM 20 TO 25 MPH...WITH SOME GUSTS AS HIGH AS 35
MPH. RELATIVE HUMIDITY VALUES ARE FORECAST TO FALL TO BETWEEN 13 AND
18 PERCENT. WITH VERY DRY FUELS IN PLACE ACROSS THE REGION...
CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST FOR THE AFTERNOON
AND EARLY EVENING.

MNZ003-024-027>032-040-190200-
/O.NEW.KFGF.FW.W.0007.120518T1808Z-120519T0200Z/
CLAY-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-WEST OTTER TAIL-
EAST OTTER TAIL-WADENA-GRANT-
108 PM CDT FRI MAY 18 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR FOR MINIMUM AFTERNOON
RELATIVE HUMIDITIES 13 TO 18 PERCENT...WINDS AND VERY DRY FUELS FOR FIRE WEATHER
ZONES 003...024...027...028...029...030...031...032 AND 040...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR LOW RELATIVE HUMIDITIES...GUSTY WINDS...AND VERY DRY FUELS
FOR...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 003...024... 
  027...028...029...030...031...032 AND 040.

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

* TIMING...FROM 1 PM THROUGH 9 PM THIS FRIDAY AFTERNOON AND EVENING.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* TEMPERATURES...WARMING TO THE MID 90S.

* 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.

&&

$$

EWENS
1 follow-up statement
104 
WWUS83 KFGF 190146
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
846 PM CDT FRI MAY 18 2012

...CONDITIONS ARE IMPROVING THIS EVENING...

.WINDS CONTINUE TO SUBSIDE AND RELATIVE HUMIDITY VALUES ARE SLOWLY
RECOVERING. THE RED FLAG WARNING THAT WAS IN EFFECT WILL EXPIRE AT
9 PM.

MNZ003-024-027>032-040-190300-
/O.EXP.KFGF.FW.W.0007.000000T0000Z-120519T0200Z/
CLAY-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-WEST OTTER TAIL-
EAST OTTER TAIL-WADENA-GRANT-
846 PM CDT FRI MAY 18 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT THIS EVENING...

WINDS CONTINUE TO SUBSIDE AND RELATIVE HUMIDITY VALUES ARE SLOWLY INCREASING.
THEREFORE...THE RED FLAG WARNING THAT WAS IN EFFECT WILL EXPIRE
AT 9 PM.

$$

DK

Nearby

Red 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.