Alert archive / North Dakota / Red Flag Warnings in 2011

Red Flag Warning 5, NWS Bismarck, ND

October 4, 2011Bowman County, Slope County, North Dakota

NWS Bismarck, ND issued this red flag warning at Oct 4, 2011, 2:52 AM MDT for Bowman County, Slope County, North Dakota. It took effect at Oct 4, 2011, 12:00 PM MDT. 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
Oct 4, 2011, 2:52 AM MDT (08:52 UTC)
In effect from
Oct 4, 2011, 12:00 PM MDT
Expired
Oct 4, 2011, 7:00 PM MDT
In force
7 hr
Issued by
NWS Bismarck, ND

Counties Bowman County, ND, Slope County, ND

The radar

The Bismarck radar (KBIS), 216 km from the middle of the area, began a volume at 08:55 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, 8.9 hours before the alert went out and 220 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 2011-10-04Temperature 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 2011-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
2415 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
37 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.

007 
WWUS83 KBIS 040852
RFWBIS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
352 AM CDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EARLY EVENING
FAR SOUTHWEST...

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON AND EARLY
EVENING FAR SOUTH CENTRAL...

.SOUTHEAST WINDS ARE FORECAST TO INCREASE TO 20 TO 25 MPH THIS
AFTERNOON OVER SOUTHWESTERN NORTH DAKOTA...WITH GUSTS TO 30 MPH
AT TIMES. TEMPERATURES IN THE FAR SOUTHWEST ARE FORECAST TO REACH
AROUND 90 DEGREES WITH MINIMUM RELATIVE HUMIDITY AROUND 20 PERCENT.
THESE WEATHER CONDITIONS COMBINED WITH CURING GRASSES IN THE FAR
SOUTHWEST WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON
AND EARLY EVENING.

ON WEDNESDAY SOUTH WINDS ARE FORECAST TO BE STRONGEST OVER CENTRAL
NORTH DAKOTA...WHERE SUSTAINED SPEEDS OF 25 TO NEAR 30 MPH WITH
GUSTS TO 35 MPH AT TIMES ARE EXPECTED. HIGH TEMPERATURES ARE
FORECAST TO BE IN THE MID 80S WITH MINIMUM RELATIVE HUMIDITY OF
20 TO 25 PERCENT. VEGETATIVE GREENNESS IS LOWER IN THE COUNTIES
BORDERING SOUTH DAKOTA...NAMELY GRANT...SIOUX...AND EMMONS
COUNTIES. THE FIRE DANGER WILL BE ELEVATED INTO THE VERY HIGH
CATEGORY WITH THESE WEATHER CONDITIONS...AND CRITICAL FIRE
CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EARLY EVENING.

NDZ040-043-041700-
/O.UPG.KBIS.FW.A.0005.111004T1800Z-111005T0100Z/
/O.NEW.KBIS.FW.W.0005.111004T1800Z-111005T0100Z/
SLOPE-BOWMAN-
252 AM MDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR STRONG WINDS...LOW HUMIDITY...AND DRY VEGETATION FOR
FAR BOWMAN AND SLOPE COUNTIES IN SOUTHWESTERN NORTH DAKOTA...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A RED FLAG
WARNING FOR FAR SOUTHWESTERN NORTH DAKOTA...FOR STRONG WINDS...LOW
HUMIDITY...AND DRY VEGETATION...WHICH IS IN EFFECT FROM NOON TODAY
TO 7 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.

* AFFECTED AREA...BOWMAN AND SLOPE COUNTIES.

* WINDS...SOUTHEAST 20 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THIS AFTERNOON AND INTO EARLY EVENING.

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

* TEMPERATURES...REACHING AROUND 90 DEGREES.

* LIGHTNING...NONE EXPECTED.

* IMPACTS...EXPLOSIVE FIRE GROWTH SHOULD A FIRE IGNITE.

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.

&&

$$

NDZ042-045-046-041700-
/O.NEW.KBIS.FW.A.0006.111005T1800Z-111006T0100Z/
GRANT-SIOUX-EMMONS-
352 AM CDT TUE OCT 4 2011 /252 AM MDT TUE OCT 4 2011/

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
EARLY WEDNESDAY EVENING FOR FAR SOUTH CENTRAL NORTH DAKOTA...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A FIRE
WEATHER WATCH FOR STRONG WINDS...LOW HUMIDITY...AND LOW VEGETATIVE
GREENNESS...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON AND EARLY
WEDNESDAY EVENING.

* AFFECTED AREA...GRANT...EMMONS...AND SIOUX COUNTIES.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...WEDNESDAY AFTERNOON AND EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 23 PERCENT.

* TEMPERATURES...IN THE MID 80S.

* LIGHTNING...NONE EXPECTED

* IMPACTS...EXPLOSIVE FIRE GROWTH MAY OCCUR SHOULD A FIRE IGNITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

JV
3 follow-up statements
183 
WWUS83 KBIS 042051
RFWBIS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
351 PM CDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EARLY EVENING
FAR SOUTHWEST...

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON AND EARLY
EVENING FAR SOUTH CENTRAL...

.SOUTHEAST WINDS ARE FORECAST TO INCREASE TO 20 TO 25 MPH THIS
AFTERNOON OVER SOUTHWESTERN NORTH DAKOTA...WITH GUSTS TO 30 MPH
AT TIMES. TEMPERATURES IN THE FAR SOUTHWEST ARE FORECAST TO REACH
AROUND 90 DEGREES WITH MINIMUM RELATIVE HUMIDITY AROUND
20 PERCENT. THESE WEATHER CONDITIONS COMBINED WITH CURING GRASSES
IN THE FAR SOUTHWEST WILL CREATE CRITICAL FIRE WEATHER CONDITIONS
THIS AFTERNOON AND EARLY EVENING.

ON WEDNESDAY SOUTH WINDS ARE FORECAST TO BE STRONGEST OVER
CENTRAL NORTH DAKOTA...WHERE SUSTAINED SPEEDS OF 25 TO NEAR
30 MPH WITH GUSTS TO 35 MPH AT TIMES ARE EXPECTED. HIGH
TEMPERATURES ARE FORECAST TO BE IN THE MID 80S WITH MINIMUM
RELATIVE HUMIDITY OF 20 TO 25 PERCENT. VEGETATIVE GREENNESS IS
LOWER IN THE COUNTIES BORDERING SOUTH DAKOTA...NAMELY GRANT...
SIOUX...AND EMMONS COUNTIES. THE FIRE DANGER WILL BE ELEVATED
INTO THE VERY HIGH CATEGORY WITH THESE WEATHER CONDITIONS...AND
CRITICAL FIRE CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND
EARLY EVENING.

NDZ040-043-050100-
/O.CON.KBIS.FW.W.0005.000000T0000Z-111005T0100Z/
SLOPE-BOWMAN-
251 PM MDT TUE OCT 4 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR STRONG WINDS...LOW HUMIDITY...AND DRY VEGETATION FOR FAR
BOWMAN AND SLOPE COUNTIES IN SOUTHWESTERN NORTH DAKOTA...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING.

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA..BOWMAN AND SLOPE.

* WINDS...SOUTHEAST 20 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THIS AFTERNOON AND INTO EARLY EVENING.

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

* TEMPERATURES...REACHING AROUND 90 DEGREES.

* LIGHTNING...NONE EXPECTED.

* IMPACTS...EXPLOSIVE FIRE GROWTH SHOULD A FIRE IGNITE.

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.

&&

$$

NDZ042-045-046-050900-
/O.CON.KBIS.FW.A.0006.111005T1800Z-111006T0100Z/
GRANT-SIOUX-EMMONS-
351 PM CDT TUE OCT 4 2011 /251 PM MDT TUE OCT 4 2011/

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR FAR SOUTH CENTRAL NORTH DAKOTA...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA...SIOUX...GRANT AND EMMONS

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...WEDNESDAY AFTERNOON AND EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 23 PERCENT.

* TEMPERATURES...IN THE MID 80S.

* LIGHTNING...NONE EXPECTED

* IMPACTS...EXPLOSIVE FIRE GROWTH MAY OCCUR SHOULD A FIRE IGNITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
478 
WWUS83 KBIS 042329
RFWBIS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
629 PM CDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EARLY EVENING
FAR SOUTHWEST...

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON AND EARLY
EVENING FAR SOUTH CENTRAL...

.SOUTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS TO 30 MPH WERE
OCCURRING OVER BOWMAN AND SLOPE COUNTIES IN FAR SOUTHWEST NORTH
DAKOTA AS OF 5 PM MDT. THIS...IN COMBINATION WITH TEMPERATURES IN
THE UPPER 80S...HUMIDITIES OF 15 TO 20 PERCENT AND CURING GRASSES
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH 7 PM MDT THIS
EVENING. 

ON WEDNESDAY SOUTH WINDS ARE FORECAST TO BE STRONGEST OVER CENTRAL
NORTH DAKOTA...WHERE SUSTAINED SPEEDS OF 25 TO NEAR 30 MPH WITH
GUSTS TO 35 MPH AT TIMES ARE EXPECTED. HIGH TEMPERATURES ARE
FORECAST TO BE IN THE MID 80S WITH MINIMUM RELATIVE HUMIDITY OF 20
TO 25 PERCENT. VEGETATIVE GREENNESS IS LOWER IN THE COUNTIES
BORDERING SOUTH DAKOTA...NAMELY GRANT... SIOUX...AND EMMONS
COUNTIES. THE FIRE DANGER WILL BE ELEVATED INTO THE VERY HIGH
CATEGORY WITH THESE WEATHER CONDITIONS...AND CRITICAL FIRE
CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EARLY EVENING.

NDZ040-043-050100-
/O.CON.KBIS.FW.W.0005.000000T0000Z-111005T0100Z/
SLOPE-BOWMAN-
529 PM MDT TUE OCT 4 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR STRONG WINDS...LOW HUMIDITY...AND DRY VEGETATION FOR FAR
BOWMAN AND SLOPE COUNTIES IN SOUTHWESTERN NORTH DAKOTA...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING.

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA...40...43

* WINDS...SOUTHEAST 20 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THIS AFTERNOON AND INTO EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...IN THE MID TO UPPER 80S.

* LIGHTNING...NONE EXPECTED.

* IMPACTS...EXPLOSIVE FIRE GROWTH SHOULD A FIRE IGNITE.

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.

&&

$$

NDZ042-045-046-051130-
/O.CON.KBIS.FW.A.0006.111005T1800Z-111006T0100Z/
GRANT-SIOUX-EMMONS-
629 PM CDT TUE OCT 4 2011 /529 PM MDT TUE OCT 4 2011/

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR FAR SOUTH CENTRAL NORTH DAKOTA...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA...42...45...46

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...WEDNESDAY AFTERNOON AND EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 23 PERCENT.

* TEMPERATURES...IN THE MID 80S.

* LIGHTNING...NONE EXPECTED

* IMPACTS...EXPLOSIVE FIRE GROWTH MAY OCCUR SHOULD A FIRE IGNITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
TWH
015 
WWUS83 KBIS 050110
RFWBIS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
810 PM CDT TUE OCT 4 2011

...RED FLAG WARNING ALLOWED TO EXPIRE FAR SOUTHWEST...

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON AND EARLY
EVENING FAR SOUTH CENTRAL...

.SOUTHEAST WINDS CONTINUE TO DIMINISH WITH RISING HUMIDITIES.
THEREFORE CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER EXPECTED
AND THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

ON WEDNESDAY SOUTH WINDS ARE FORECAST TO BE STRONGEST OVER
CENTRAL NORTH DAKOTA...WHERE SUSTAINED SPEEDS OF 25 TO NEAR
30 MPH WITH GUSTS TO 35 MPH AT TIMES ARE EXPECTED. HIGH
TEMPERATURES ARE FORECAST TO BE IN THE MID 80S WITH MINIMUM
RELATIVE HUMIDITY OF 20 TO 25 PERCENT. VEGETATIVE GREENNESS IS
LOWER IN THE COUNTIES BORDERING SOUTH DAKOTA...NAMELY GRANT...
SIOUX...AND EMMONS COUNTIES. THE FIRE DANGER WILL BE ELEVATED
INTO THE VERY HIGH CATEGORY WITH THESE WEATHER CONDITIONS...AND
CRITICAL FIRE CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND
EARLY EVENING.

NDZ040-043-050215-
/O.EXP.KBIS.FW.W.0005.000000T0000Z-111005T0100Z/
SLOPE-BOWMAN-
710 PM MDT TUE OCT 4 2011

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS...LOW HUMIDITY...
AND DRY VEGETATION FOR FAR BOWMAN AND SLOPE COUNTIES IN
SOUTHWESTERN NORTH DAKOTA...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA...40...43

WITH DIMINISHING WINDS AND RISING HUMIDITIES...CRITICAL FIRE
WEATHER CONDITIONS ARE NO LONGER EXPECTED AND THE RED FLAG WARNING
HAS BEEN ALLOWED TO EXPIRE.

$$

NDZ042-045-046-051315-
/O.CON.KBIS.FW.A.0006.111005T1800Z-111006T0100Z/
GRANT-SIOUX-EMMONS-
810 PM CDT TUE OCT 4 2011 /710 PM MDT TUE OCT 4 2011/

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR FAR SOUTH CENTRAL NORTH DAKOTA...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN NORTH DAKOTA...42...45...46

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...WEDNESDAY AFTERNOON AND EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 23 PERCENT.

* TEMPERATURES...IN THE MID 80S.

* LIGHTNING...NONE EXPECTED

* IMPACTS...EXPLOSIVE FIRE GROWTH MAY OCCUR SHOULD A FIRE IGNITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
TWH

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 2:52 AM MDTFire Weather WatchBISEmmons, Grant, Sioux25 hr

Nearby

Red Flag Warnings in North Dakota, 2011Every red flag warning in 2011

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.