Alert archive / North Dakota / Red Flag Warnings in 2008

Red Flag Warning 2, NWS Grand Forks, ND

April 17, 2008Benson County, Eddy County, North Dakota

NWS Grand Forks, ND issued this red flag warning at Apr 17, 2008, 4:39 AM CDT for Benson County, Eddy County, North Dakota. It took effect at Apr 17, 2008, 12:00 PM CDT. It was in force for . 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 17, 2008, 4:39 AM CDT (09:39 UTC)
In effect from
Apr 17, 2008, 12:00 PM CDT
Expired
Apr 17, 2008, 11:19 AM CDT
In force
Issued by
NWS Grand Forks, ND

Counties Benson County, ND, Eddy County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.7 hours before the alert went out and 172 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 00:00Z on 2008-04-17Temperature 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 00:00Z on 2008-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
3127 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
12 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 170939
RFWFGF

RED FLAG WARNING
NATIONAL WEATHER SERVICE GRAND FORKS ND
439 AM CDT THU APR 17 2008

...RED FLAG WARNING THIS AFTERNOON AND EVENING FOR VERY LOW
HUMIDITIES ACROSS BENSON AND EDDY COUNTIES IN NORTHEASTERN NORTH
DAKOTA...

.PARTLY TO MOSTLY SUNNY SKIES AND CONTINUED DRY CONDITIONS WILL
DEVELOP VERY LOW HUMIDITIES IN THE 15 TO 20 PERCENT RANGE THIS
AFTERNOON FOR AREAS OF NORTHEASTERN NORTH DAKOTA. WINDS ARE
EXPECTED TO REMAIN LIGHT AROUND 10 MPH FROM THE WEST BECOMING
SOUTHERLY BY EVENING. THE COMBINATION OF VERY LOW HUMIDITY AND DRY
VEGETATION WILL CREATE CRITICAL FIRE WEATHER CONDITIONS.

NDZ014-024-171745-
/O.NEW.KFGF.FW.W.0002.080417T1700Z-080418T0200Z/
BENSON-EDDY-
439 AM CDT THU APR 17 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR LOW RELATIVE HUMIDITIES IN EFFECT FROM NOON TODAY TO 9
PM CDT THIS EVENING.

PARTLY TO MOSTLY SUNNY SKIES AND CONTINUED DRY CONDITIONS WILL
DEVELOP VERY LOW HUMIDITIES IN THE 15 TO 20 PERCENT RANGE THIS
AFTERNOON FOR PARTS OF NORTHEASTERN NORTH DAKOTA. WINDS ARE
EXPECTED TO REMAIN LIGHT AROUND 10 MPH FROM THE WEST BECOMING
SOUTHERLY BY EVENING. THE COMBINATION OF VERY LOW HUMIDITY AND DRY
VEGETATION WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS
BENSON AND EDDY COUNTIES.

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.

$$
G2
1 follow-up statement
000 
WWUS83 KFGF 171619
RFWFGF

RED FLAG WARNING
NATIONAL WEATHER SERVICE GRAND FORKS ND
1119 AM CDT THU APR 17 2008

...RED FLAG WARNING IS CANCELLED...

.WINDS ARE EXPECTED TO REMAIN LIGHT THROUGH THE DAY AS HIGH
PRESSURE REMAINS OVER THE AREA.

NDZ014-024-171730-
/O.CAN.KFGF.FW.W.0002.080417T1700Z-080418T0200Z/
BENSON-EDDY-
1119 AM CDT THU APR 17 2008

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS CANCELLED THE RED
FLAG WARNING. 

WINDS ARE EXPECTED TO REMAIN LIGHT THROUGH THE REST OF THE DAY AS
HIGH PRESSURE REMAINS OVER THE AREA. THEREFORE...THE RED FLAG
WARNING HAS BEEN CANCELLED.

$$

HOPKINS

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.