Alert archive / North Dakota / Red Flag Warnings in 2014

Red Flag Warning 1, NWS Grand Forks, ND

April 9, 2014Ransom County, Richland County, Sargent County, North Dakota; Grant County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this red flag warning at Apr 9, 2014, 10:07 AM CDT for Ransom County, Richland County, Sargent County, North Dakota; Grant County, Wilkin County, Minnesota. It took effect at Apr 9, 2014, 4:00 PM CDT. It was in force for 4 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
Apr 9, 2014, 10:07 AM CDT (15:07 UTC)
In effect from
Apr 9, 2014, 4:00 PM CDT
Expired
Apr 9, 2014, 8:00 PM CDT
In force
4 hr
Issued by
NWS Grand Forks, ND

Counties Grant County, MN, Wilkin County, MN, Ransom County, ND, Richland County, ND, Sargent County, ND

The radar

The Aberdeen radar (KABR), 142 km from the middle of the area, began a volume at 14:49 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

Aberdeen, SD (KABR), launched 12:00Z, 3.1 hours before the alert went out and 186 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, Aberdeen, SD at 12:00Z on 2014-04-09Temperature 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, Aberdeen, SD at 12:00Z on 2014-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
2359 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
226 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.

110 
WWUS83 KFGF 091507
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
1007 AM CDT WED APR 9 2014

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED DURING THE
AFTERNOON IN SE ND AND W CNTRL MN. MILD TEMPERATURES IN 70S ARE
EXPECTED...WITH STRENGTHENING WESTERLY WINDS THROUGH THE DAY.
WINDS MAY GUST TO AS HIGH AS 45 MPH MID TO LATE AFTERNOON INTO
EARLY EVENING. WITH THE APPROACH OF A COLD FRONT LATE THIS
AFTERNOON AND THIS EVENING...ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED INCREASING THE THREAT OF GUSTY WINDS.
MIN RHS WILL MIX DOWN IN TO 20 TO 25 PERCENT.

MNZ029-040-NDZ049-052-053-092315-
/O.NEW.KFGF.FW.W.0001.140409T2100Z-140410T0100Z/
WILKIN-GRANT-RANSOM-SARGENT-RICHLAND-
1007 AM CDT WED APR 9 2014

...RED FLAG WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR DRY FUELS AND LOW MINIMUM RELATIVE HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR DRY FUELS AND LOW RELATIVE HUMIDITIES...WHICH IS IN EFFECT FROM
4 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING.

* AFFECTED AREA...IN MINNESOTA...GRANT AND WILKIN. IN NORTH
  DAKOTA...RICHLAND...SARGENT AND RANSOM.

* WINDS...WEST 25 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...MID TO LATE AFTERNOON INTO THE EVENING.

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

* TEMPERATURES...IN THE LOWER 70S.

* IMPACTS...EXTREME FIRE BEHAVIOR.

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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

JK
2 follow-up statements
098 
WWUS83 KFGF 092030
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
330 PM CDT WED APR 9 2014

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED DURING THE
LATE AFTERNOON IN SE ND AND W CNTRL MN. WITH MILD TEMPERATURES IN
THE 70S AND STRENGTHENING WESTERLY WINDS WHICH MAY GUST TO AS HIGH
AS 45 MPH...MIN RHS WILL MIX DOWN INTO 20 TO 25 PERCENT. THESE
CONDITIONS COMBINED WITH THE DRY GRASS FUELS SET THE STAGE FOR
EXTREMELY DANGEROUS FIRE POTENTIAL. WITH THE APPROACH OF A COLD
FRONT LATE THIS EVENING...ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS ARE POSSIBLE...INCREASING THE THREAT OF GUSTY WINDS.

MNZ029-040-NDZ049-052-053-100100-
/O.CON.KFGF.FW.W.0001.140409T2100Z-140410T0100Z/
WILKIN-GRANT-RANSOM-SARGENT-RICHLAND-
330 PM CDT WED APR 9 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR DRY FUELS AND LOW MINIMUM RELATIVE HUMIDITIES...

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 029 AND 040. 
  IN NORTH DAKOTA...FIRE WEATHER ZONES 049...052 AND 053.

* WINDS...WEST 25 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...MID TO LATE AFTERNOON INTO THE EVENING.

* RELATIVE HUMIDITY...20 TO 25 PERCENT.

* TEMPERATURES...IN THE LOWER 70S.

* IMPACTS...EXTREME FIRE BEHAVIOR.

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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

JK
740 
WWUS83 KFGF 100105
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
805 PM CDT WED APR 9 2014

...RED FLAG WARNING HAS EXPIRED...

MNZ029-040-NDZ049-052-053-100215-
/O.EXP.KFGF.FW.W.0001.000000T0000Z-140410T0100Z/
WILKIN-GRANT-RANSOM-SARGENT-RICHLAND-
805 PM CDT WED APR 9 2014

...RED FLAG WARNING HAS EXPIRED FOR DRY FUELS AND LOW RELATIVE HUMIDITIES
ACROSS PORTIONS OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA...

THE COLD FRONT HAS COME THROUGH CAUSING TEMPERATURES TO DROP AND
RELATIVE HUMIDITIES TO INCREASE.

$$

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 4:54 AM CDTWind AdvisoryFGFBarnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more16 hr
Apr 9, 12:26 PM CDTRiver Flood WarningFGFGrand Forks8 days
Apr 9, 12:26 PM CDTRiver Flood WarningFGFGrand Forks, Walsh11 days
Apr 9, 12:26 PM CDTRiver Flood WarningFGFWalsh5 days
Apr 9, 12:26 PM CDTRiver Flood WarningFGFWalsh6 days
Apr 9, 12:27 PM CDTAreal Flood WarningFGFWalsh49 hr
Apr 9, 11:45 AM CDTRiver Flood WarningFGFMarshall71 hr
Apr 9, 11:45 AM CDTRiver Flood WarningFGFMarshall9 days

Nearby

Red Flag Warnings in North Dakota, 2014Red Flag Warnings in Minnesota, 2014Every red flag warning in 2014

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.