Alert archive / Minnesota / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Duluth, MN

May 13, 201210 counties in Minnesota

NWS Duluth, MN issued this red flag warning at May 13, 2012, 5:02 AM CDT for 10 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, 5:02 AM CDT (10:02 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 Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 10.0 hours before the alert went out and 161 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.

383 
WWUS83 KDLH 131002
RFWDLH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
502 AM CDT SUN MAY 13 2012

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


SOUTHWEST AND WESTERLY WINDS ARE EXPECTED TO INCREASE THIS
MORNING...WITH GUSTS AS HIGH AS 25 TO 30 MPH BY THIS AFTERNOON.
RELATIVE HUMIDITY WILL FALL TO BETWEEN 20 AND 25 PERCENT BY EARLY
AFTERNOON.

MNZ010>012-018>021-025-026-033>038-131815-
/O.UPG.KDLH.FW.A.0002.120513T1700Z-120514T0000Z/
/O.NEW.KDLH.FW.W.0002.120513T1700Z-120514T0000Z/
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-
502 AM CDT SUN MAY 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR GUSTY WINDS...LOW HUMIDITY...AND DRY FUELS FOR
NORTHEAST MINNESOTA...INCLUDING THE CHIPPEWA NATIONAL
FOREST...VOYAGEURS NATIONAL PARK...AND SUPERIOR NATIONAL FOREST.  

THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS...LOW HUMIDITY...AND 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 010...011... 
  012...018...019...020...021...025...026...033...034...035...
  036... 037 AND 038.

* WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* TEMPERATURES...IN THE LOWER 70S.

* IMPACTS...FOR INFORMATION ON BURNING RESTRICTIONS...VISIT THE 
  MINNESOTA DEPARTMENT OF NATURAL RESOURCES AT 
  WWW.DNR.STATE.MN/US/FORESTRY 

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.

&&

$$
3 follow-up statements
499 
WWUS83 KDLH 131559
RFWDLH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
1059 AM CDT SUN MAY 13 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
INTO EARLY THIS EVENING ACROSS NORTHEAST MINNESOTA DUE TO LOW
HUMIDITY AND GUSTY WESTERLY WINDS...

SOUTHWESTERLY TO WESTERLY WINDS AROUND 15 TO 20 MPH WITH GUSTS AS
HIGH AS 25 TO 30 MPH WILL DEVELOP BY THIS AFTERNOON ACROSS
NORTHEAST MINNESOTA. THE STRONGEST WINDS WILL MOST LIKELY BE NEAR
AND NORTH OF HIGHWAY 2. WIDESPREAD MINIMUM RELATIVE HUMIDITY
AROUND 20 TO 25 PERCENT WILL DEVELOP BY THIS AFTERNOON TOO. THE
COMBINED WEATHER WILL DEVELOP CRITICAL FIRE WEATHER CONDITIONS
ACROSS NORTHEAST MINNESOTA. CONDITIONS WILL IMPROVE BY MID EVENING
WHEN THE WINDS SUFFICIENTLY RELAX AND THE HUMIDITY SEE SOME
RECOVERY.

MNZ010>012-018>021-025-026-033>038-140000-
/O.CON.KDLH.FW.W.0002.120513T1700Z-120514T0000Z/
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-
1059 AM CDT SUN MAY 13 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR GUSTY WINDS...LOW HUMIDITY...AND DRY FUELS FOR NORTHEAST
MINNESOTA...INCLUDING THE CHIPPEWA NATIONAL FOREST...VOYAGEURS
NATIONAL PARK...AND SUPERIOR NATIONAL FOREST.  THE NATIONAL
WEATHER SERVICE IN DULUTH HAS ISSUED A RED FLAG WARNING FOR GUSTY
WINDS...LOW HUMIDITY...AND 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 010...011...  012...018...019...020...021...025...026...
033...034...035...  036...037 AND 038.  * WINDS...SOUTHWEST 15 TO
20 MPH WITH GUSTS UP TO 30 MPH.  * RELATIVE HUMIDITY...AS LOW AS
20 PERCENT.  * TEMPERATURES...IN THE LOWER 70S.  * IMPACTS...FOR
INFORMATION ON BURNING RESTRICTIONS...VISIT THE   MINNESOTA
DEPARTMENT OF NATURAL RESOURCES AT   WWW.DNR.STATE.MN/US/FORESTRY
PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 010...011... 
  012...018...019...020...021...025...026...033...034...035...
  036... 037 AND 038.

* WINDS...SOUTHWEST TO WEST AT 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 25 PERCENT.

* TEMPERATURES...IN THE LOW TO MID 70S.

* IMPACTS...FOR INFORMATION ON BURNING RESTRICTIONS...VISIT THE 
  MINNESOTA DEPARTMENT OF NATURAL RESOURCES AT 
  WWW.DNR.STATE.MN/US/FORESTRY 

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.

&&

$$

GROCHOCINSKI
959 
WWUS83 KDLH 131957
RFWDLH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
257 PM CDT SUN MAY 13 2012

...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THIS AFTERNOON
INTO EARLY THIS EVENING ACROSS NORTHEAST MINNESOTA DUE TO LOW
HUMIDITY AND GUSTY WESTERLY WINDS...

SOUTHWESTERLY TO WESTERLY WINDS AROUND 15 TO 20 MPH WITH GUSTS AS
HIGH AS 25 TO 30 MPH WILL CONTINUE THIS AFTERNOON ACROSS
NORTHEAST MINNESOTA. WIDESPREAD MINIMUM RELATIVE HUMIDITY AROUND
15 TO 25 PERCENT WILL CONTINUE INTO EARLY THIS EVENING. THE
COMBINED WEATHER WILL CONTINUE THE CRITICAL FIRE WEATHER
CONDITIONS ACROSS NORTHEAST MINNESOTA. CONDITIONS WILL IMPROVE BY
MID EVENING WHEN THE WINDS SUFFICIENTLY RELAX AND THE HUMIDITY
SEES SOME RECOVERY.

MNZ010>012-018>021-025-026-033>038-140000-
/O.CON.KDLH.FW.W.0002.000000T0000Z-120514T0000Z/
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-
257 PM CDT SUN MAY 13 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR GUSTY WESTERLY WINDS AND LOW HUMIDITY FOR NORTHEAST MINNESTOA...

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 010...011... 
  012...018...019...020...021...025...026...033...034...035...
  036... 037 AND 038.

* WINDS...SOUTHWEST TO WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 17 PERCENT.

* TEMPERATURES...IN THE LOW TO MID 70S.

* IMPACTS...FOR INFORMATION ON BURNING RESTRICTIONS...VISIT THE 
  MINNESOTA DEPARTMENT OF NATURAL RESOURCES AT 
  WWW.DNR.STATE.MN/US/FORESTRY 

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.

&&

$$

GROCHOCINSKI
988 
WWUS83 KDLH 140018
RFWDLH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
718 PM CDT SUN MAY 13 2012

MNZ010>012-018>021-025-026-033>038-140130-
/O.EXP.KDLH.FW.W.0002.000000T0000Z-120514T0000Z/
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-
718 PM CDT SUN MAY 13 2012

...RED FLAG WARNING HAS EXPIRED FOR NORTHEASTERN MINNESOTA...

THE RED FLAG WARNING THAT WAS IN EFFECT FOR ALL OF NORTHEASTERN
MINNESOTA THROUGH 7 PM HAS EXPIRED. CONDITIONS COULD STILL
APPROACH CRITICAL VALUES ON MONDAY...BUT WINDS ARE EXPECTED TO BE
MUCH LIGHTER AND HUMIDITY VALUES A BIT HIGHER. TEMPERATURES WILL
CONTINUE TO BE WELL INTO THE 70S FOR DAYTIME HIGHS.

$$

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 3:21 AM CDTSmall Craft AdvisoryDLH11 hr

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.