Alert archive / Minnesota / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Grand Forks, ND

May 13, 201214 counties in Minnesota

NWS Grand Forks, ND issued this red flag warning at May 13, 2012, 4:27 AM CDT for 14 counties in Minnesota. It took effect at May 13, 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
May 13, 2012, 4:27 AM CDT (09:27 UTC)
In effect from
May 13, 2012, 12:00 PM CDT
Expired
May 13, 2012, 7:00 PM CDT
In force
7 hr
Issued by
NWS Grand Forks, ND

Counties Becker County, MN, Beltrami 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, Wadena County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 122 km from the middle of the area, began a volume at 09:26 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, 9.5 hours before the alert went out and 201 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 2012-05-13Temperature 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 2012-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
3569 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
78 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.

455 
WWUS83 KFGF 130927
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
427 AM CDT SUN MAY 13 2012

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

.CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR SUNDAY AFTERNOON AND
EARLY EVENING. STRONG WINDS COMBINED WITH LOW HUMIDITIES AND VERY DRY
FUELS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS.

MNZ001-002-004>009-013>017-022>024-028-032-131730-
/O.UPG.KFGF.FW.A.0003.120513T1700Z-120514T0000Z/
/O.NEW.KFGF.FW.W.0005.120513T1700Z-120514T0000Z/
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-
427 AM CDT SUN MAY 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR WINDS...LOW HUMIDITIES...AND VERY DRY FUELS. 

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR WINDS...LOW HUMIDITIES AND VERY DRY FUELS...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...002... 
  004...005...006...007...008...009...013...014...015...016...
  017... 022...023...024...028 AND 032.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...NOON UNTIL 7 PM CDT.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...IN THE MIDDLE 70S.

* 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.

&&

$$

HOPPES
1 follow-up statement
792 
WWUS83 KFGF 140004
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
704 PM CDT SUN MAY 13 2012

...FIRE WEATHER WATCH FOR NORTHWEST MINNESOTA TOMORROW
AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS HAVE ENDED FOR TODAY ACROSS NW
MN AS TEMPERATURES AND WIND DECREASE AND RELATIVE HUMIDITIES
INCREASE. 

HOWEVER CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO REDEVELOP
TOMORROW AFTERNOON AND EARLY EVENING. THUS A FIRE WEATHER WATCH
HAS BEEN ISSUED. ONCE AGAIN STRONG WINDS COMBINED WITH LOW
HUMIDITIES AND VERY DRY FUELS WILL PRODUCE CRITICAL FIRE WEATHER
CONDITIONS ACROSS PORTIONS OF NW MN...GENERALLY ALONG AND NORTH OF
THE HWY 2 CORRIDOR..

MNZ001-004>009-013>017-140815-
/O.EXP.KFGF.FW.W.0005.000000T0000Z-120514T0000Z/
/O.NEW.KFGF.FW.A.0004.120514T1700Z-120515T0000Z/
WEST POLK-KITTSON-ROSEAU-LAKE OF THE WOODS-WEST MARSHALL-
EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK-
NORTH CLEARWATER-SOUTH BELTRAMI-
704 PM CDT SUN MAY 13 2012

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR WINDS...LOW HUMIDITIES AND VERY DRY FUELS FOR
PORTIONS OF NORTHWEST MINNESOTA...
...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR 
WINDS...LOW HUMIDITIES AND VERY DRY FUELS FOR PORTIONS OF 
NORTHWEST MINNESOTA...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A FIRE
WEATHER WATCH FOR WINDS...LOW HUMIDITIES AND VERY DRY FUELS...WHICH
IS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 001...004... 
  005...006...007...008...009...013...014...015...016 AND 017.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON UNTIL 7 PM CDT.

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

* TEMPERATURES...NEAR 80.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

MNZ002-022>024-028-032-140115-
/O.EXP.KFGF.FW.W.0005.000000T0000Z-120514T0000Z/
NORMAN-MAHNOMEN-SOUTH CLEARWATER-HUBBARD-EAST BECKER-WADENA-
704 PM CDT SUN MAY 13 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR 
WINDS...LOW HUMIDITIES AND VERY DRY FUELS FOR PORTIONS OF 
NORTHWEST AND WEST CENTRAL MINNESOTA...

* CRITICAL FIRE WEATHER CONDITIONS HAVE ENDED FOR TODAY ACROSS NW
  MN AS TEMPERATURES AND WIND DECREASE AND RELATIVE HUMIDITIES
  INCREASE.

$$

JK

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.