Alert archive / North Dakota / Red Flag Warnings in 2008

Red Flag Warning 21, NWS Bismarck, ND

May 17, 200836 counties in North Dakota

NWS Bismarck, ND issued this red flag warning at May 17, 2008, 3:21 AM MDT for 36 counties in North Dakota. It took effect at May 17, 2008, 12:00 PM MDT. It was in force for 8 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 17, 2008, 3:21 AM MDT (09:21 UTC)
In effect from
May 17, 2008, 12:00 PM MDT
Expired
May 17, 2008, 8:00 PM MDT
In force
8 hr
Issued by
NWS Bismarck, ND
All 36 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Dickey County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND

The radar

The Bismarck radar (KBIS), 71 km from the middle of the area, began a volume at 09:22 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 00:00Z, 9.4 hours before the alert went out and 73 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 2008-05-17Temperature 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 2008-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
3283 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
57 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 KBIS 170921
RFWBIS

RED FLAG WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
421 AM CDT SAT MAY 17 2008

...RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES
THIS AFTERNOON THROUGH EARLY EVENING...

.A COMBINATION OF NORTHWEST WINDS OF 20 TO 35 MPH...HIGH
TEMPERATURES IN THE 70S...AND MINIMUM RELATIVE HUMIDITIES OF 15 TO
20 PERCENT WILL GENERATE DANGEROUS RANGELAND FIRE CONDITIONS
THIS AFTERNOON INTO THE EARLY EVENING. THE POTENTIAL EXISTS FOR
EXPLOSIVE FIRE GROWTH SHOULD A FIRE IGNITE.

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-171730-
/O.UPG.KBIS.FW.A.0008.080517T1800Z-080518T0200Z/
/O.NEW.KBIS.FW.W.0021.080517T1800Z-080518T0200Z/
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-
FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER-
STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN-
LA MOURE-MCINTOSH-DICKEY-
421 AM CDT SAT MAY 17 2008 /321 AM MDT SAT MAY 17 2008/

...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS AND
LOW RELATIVE HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT. 

EXPECT NORTHWEST WINDS OF 20 TO 35 MPH AND MINIMUM RELATIVE
HUMIDITIES OF 15 TO 20 PERCENT TO CREATE DANGEROUS 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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

JV
2 follow-up statements
000 
WWUS83 KBIS 171603
RFWBIS

RED FLAG WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1103 AM CDT SAT MAY 17 2008

...RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES
THIS AFTERNOON THROUGH EARLY EVENING OVER WESTERN AND CENTRAL
NORTH DAKOTA...

.A COMBINATION OF NORTHWEST WINDS OF 20 TO 35 MPH...HIGH
TEMPERATURES IN THE 70S...AND MINIMUM RELATIVE HUMIDITIES AROUND
15 PERCENT WILL GENERATE DANGEROUS RANGELAND FIRE CONDITIONS THIS
AFTERNOON INTO THE EARLY EVENING. THE POTENTIAL EXISTS FOR
EXPLOSIVE FIRE GROWTH SHOULD A FIRE IGNITE.

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-180200-
/O.CON.KBIS.FW.W.0021.080517T1800Z-080518T0200Z/
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-
FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER-
STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN-
LA MOURE-MCINTOSH-DICKEY-
1103 AM CDT SAT MAY 17 2008 /1003 AM MDT SAT MAY 17 2008/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/
THIS EVENING...

EXPECT NORTHWEST WINDS OF 20 TO 35 MPH AND MINIMUM RELATIVE
HUMIDITIES AROUND 15 PERCENT TO CREATE DANGEROUS 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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
TWH
000 
WWUS83 KBIS 180213
RFWBIS

RED FLAG WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
913 PM CDT SAT MAY 17 2008

...RED FLAG WEATHER CONDITIONS NO LONGER OCCURRING...

.THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. THE STRONG WINDS
HAVE DIMINISHED AND THE RELATIVE HUMIDITIES ARE ABOVE 25 PERCENT.
THE REG FLAG WARNING FOR ALL OF WEST AND CENTRAL NORTH DAKOTA IS
NO LONGER IN EFFECT. 

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-180315-
/O.EXP.KBIS.FW.W.0021.000000T0000Z-080518T0200Z/
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-
FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER-
STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN-
LA MOURE-MCINTOSH-DICKEY-
913 PM CDT SAT MAY 17 2008 /813 PM MDT SAT MAY 17 2008/

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

WINDS HAVE DIMINISHED AND RELATIVE HUMIDITIES ARE NO LONGER
CRITICAL. THE RED FLAG WARNING HAS EXPIRED. 

$$

ABELING

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 3:12 AM MDTWind AdvisoryBISAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more17 hr
May 17, 2:51 PM MDTFrost AdvisoryBISBottineau, Foster, Kidder, McHenry, Pierce, Rolette and 3 more16 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.