Alert archive / North Dakota / Red Flag Warnings in 2008

Red Flag Warning 3, NWS Grand Forks, ND

May 2, 20089 counties in North Dakota

NWS Grand Forks, ND issued this red flag warning at May 2, 2008, 12:17 PM CDT for 9 counties in North Dakota. It was in force for 9 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 2, 2008, 12:17 PM CDT (17:17 UTC)
Expired
May 2, 2008, 9:00 PM CDT
In force
9 hr
Issued by
NWS Grand Forks, ND

Counties Benson County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 116 km from the middle of the area, began a volume at 17:21 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 5.3 hours before the alert went out and 241 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, Bismarck Municip, ND at 12:00Z on 2008-05-02Temperature 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, Bismarck Municip, ND at 12:00Z on 2008-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
1820 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
105 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.

000 
WWUS83 KFGF 021717
RFWFGF

RED FLAG WARNING
NATIONAL WEATHER SERVICE GRAND FORKS ND
1217 PM CDT FRI MAY 2 2008

...RED FLAG WARNING FOR NORTHEAST NORTH DAKOTA...

.RED FLAG CRITERIA IS EXPECTED TO BE REACHED THIS AFTERNOON ACROSS THE
DEVILS LAKE BASIN AND NORTHERN RED RIVER VALLEY PORTIONS OF NORTH
DAKOTA. STRONG NORTHERLY WINDS WILL CONTINUE TO GUST TO 40 MPH
AND MIX OUT LOW LEVEL MOISTURE. THIS MIXING WILL RESULT IN
LOW MINIMUM RELATIVE HUMIDITIES. THESE CONDITIONS COMBINED WITH
DRY FUELS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS.

NDZ006>008-014>016-024-026-027-054-030130-
/O.NEW.KFGF.FW.W.0003.080502T1717Z-080503T0200Z/
TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-
NELSON-GRAND FORKS-WESTERN WALSH COUNTY-
1217 PM CDT FRI MAY 2 2008

...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. 

DRY FUELS COMBINED WITH STRONG WINDS GUSTING TO 40 MPH AND LOW
RELATIVE HUMIDITIES WILL CREATE CRITICAL FIRE WEATHER CONDITIONS
THIS AFTERNOON AND EVENING.

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 DRY FUELS WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

KAISER
1 follow-up statement
000 
WWUS83 KFGF 030210
RFWFGF

RED FLAG WARNING
NATIONAL WEATHER SERVICE GRAND FORKS ND
910 PM CDT FRI MAY 2 2008

...FIRE WEATHER CONDITIONS DISSIPATE OVER EASTERN NORTH DAKOTA...

.RELATIVE HUMIDITY LEVELS HAVE CLIMBED TO OVER 20 PERCENT ACROSS
NORTHEAST NORTH DAKOTA AND WILL CONTINUE RISING OVERNIGHT. WIND 
SPEEDS WILL CONTINUE TO DECREASE AND THIS COMBINATION WILL ALLOW
THE RED FLAG WARNING TO EXPIRE. 

NDZ006>008-014>016-024-026-027-054-030315-
/O.EXP.KFGF.FW.W.0003.000000T0000Z-080503T0200Z/
TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-
NELSON-GRAND FORKS-WESTERN WALSH COUNTY-
910 PM CDT FRI MAY 2 2008

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

FIRE WEATHER CONDITIONS WILL NOT BE PRESENT OVERNIGHT. THE FIRE
WEATHER WARNING IS ALLOWED TO EXPIRE. 


$$
WJB

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 7:00 PM CDTRiver Flood WarningFGFCass5 days
May 2, 4:15 AM CDTWind AdvisoryFGFBarnes, Benson, Cass, Eddy, Grand Forks, Griggs and 8 more17 hr

Nearby

Red Flag Warnings in North Dakota, 2008Every red flag warning in 2008

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.