Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 21, NWS Billings, MT

August 28, 201217 counties in Montana; 4 counties in Wyoming

NWS Billings, MT issued this red flag warning at Aug 28, 2012, 4:05 AM MDT for 17 counties in Montana; 4 counties in Wyoming. It took effect at Aug 28, 2012, 12:00 PM MDT. It was in force for 35 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
Aug 28, 2012, 4:05 AM MDT (10:05 UTC)
In effect from
Aug 28, 2012, 12:00 PM MDT
Expired
Aug 29, 2012, 11:18 PM MDT
In force
35 hr
Issued by
NWS Billings, MT
All 21 counties

Big Horn County, MT, Carbon County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Gallatin County, MT, Golden Valley County, MT, Madison County, MT, Musselshell County, MT, Park County, MT, Powder River County, MT, Rosebud County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Wheatland County, MT, Yellowstone County, MT, Big Horn County, WY, Johnson County, WY, Sheridan County, WY, Washakie County, WY

The radar

The Billings radar (KBLX), 55 km from the middle of the area, began a volume at 10:07 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

Riverton, WY (KRIW), launched 00:00Z, 10.1 hours before the alert went out and 279 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, Riverton, WY at 00:00Z on 2012-08-28Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2012-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
4250 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
21 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.

224 
WWUS85 KBYZ 281005
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
405 AM MDT TUE AUG 28 2012

MTZ123>133-WYZ274-284-282230-
/O.UPG.KBYZ.FW.A.0014.120828T1800Z-120830T0600Z/
/O.NEW.KBYZ.FW.W.0021.120828T1800Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
405 AM MDT TUE AUG 28 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
WEDNESDAY NIGHT FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG
GUSTY WINDS...AND WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH
CENTRAL MONTANA...ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST
SOUTH DAKOTA...AND PARTS OF NORTH CENTRAL WYOMING...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
WEDNESDAY NIGHT. 

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284


* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...NEAR RECORD
  TEMPERATURES AND BRISK WINDS WILL CAUSE EXTREMELY DANGEROUS FIRE
  WEATHER CONDITIONS. NEW OR EXISTING FIRE COULD GROW AND SPREAD
  RAPIDLY.

* COLD FRONT...THE FRONT IS EXPECTED TO MOVE INTO THE REGION FROM
  THE NORTHWEST BY EARLY WEDNESDAY EVENING...AND ACROSS MOST OF
  THE WARNED AREA BY MIDNIGHT.
 
* WIND...WEST TO SOUTHWEST WINDS FROM 5 TO 15 MPH WILL BE COMMON
  TODAY. WIND WILL BECOME 15 TO 30 MPH WEDNESDAY AHEAD OF THE COLD
  FRONT. WINDS WILL SHIFT TO THE NORTH BEHIND THE FRONT WEDNESDAY
  EVENING WITH GUSTS FROM 40 TO 45 MPH POSSIBLE.

* HUMIDITY...AFTERNOON READINGS WILL RANGE FROM 5 TO 12 PERCENT.
  OVERNIGHT RECOVERIES WILL BE QUITE POOR AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND NEAR RECORD TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
6 follow-up statements
726 
WWUS85 KBYZ 282036
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
236 PM MDT TUE AUG 28 2012

MTZ123>133-WYZ274-284-290845-
/O.CON.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
236 PM MDT TUE AUG 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY
NIGHT FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG GUSTY WINDS...
AND WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH CENTRAL
MONTANA...ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH
DAKOTA...AND PARTS OF NORTH CENTRAL WYOMING...

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284

* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...NEAR RECORD 
  TEMPERATURES AND BRISK WINDS WILL CAUSE EXTREMELY DANGEROUS 
  FIRE WEATHER CONDITIONS. NEW OR EXISTING FIRE COULD GROW AND 
  SPREAD RAPIDLY.

* COLD FRONT...THE FRONT IS EXPECTED TO MOVE INTO THE REGION FROM
  THE NORTHWEST BY LATE WEDNESDAY AFTERNOON OR EARLY EVENING...AND
  ACROSS MOST OF THE WARNED AREA BY MIDNIGHT.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* HUMIDITY...SINGLE DIGITS TO LOW TEENS.

* TEMPERATURES...LOW 90S TO AROUND 100.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND NEAR RECORD TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
944 
WWUS85 KBYZ 290317
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
917 PM MDT TUE AUG 28 2012

MTZ123>133-WYZ274-284-291800-
/O.CON.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
917 PM MDT TUE AUG 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY
NIGHT FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG GUSTY WINDS...
AND WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH CENTRAL
MONTANA...ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH
DAKOTA...AND PARTS OF NORTH CENTRAL WYOMING...

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284

* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...NEAR RECORD
  HIGH TEMPERATURES AND GUSTY WINDS WILL CAUSE EXTREMELY DANGEROUS
  FIRE WEATHER CONDITIONS. NEW AND EXISTING FIRES WILL DISPLAY
  EXPLOSIVE FIRE GROW IN THESE CONDITIONS.

* COLD FRONT...THE COLD FRONT IS EXPECTED TO MOVE INTO WESTERN
  LOCATIONS BY LATE WEDNESDAY MORNING...CENTRAL LOCATIONS BY EARLY
  WEDNESDAY AFTERNOON AND EASTERN LOCATIONS BY LATE WEDNESDAY
  AFTERNOON.

* WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS TO 35 MPH AHEAD OF THE
  ADVANCING COLD FRONT. WINDS WILL SHIFT TO THE NORTHWEST AND
  NORTH BEHIND THE FRONT WITH GUSTS TO 35 MPH FOR A COUPLE OF
  HOURS AFTER FRONTAL PASSAGE.

* HUMIDITY...POOR RECOVERIES ARE EXPECTED TONIGHT WITH MINIMUM
  HUMIDITIES OF 8 TO 12 PERCENT BY WEDNESDAY AFTERNOON.

* TEMPERATURES...HIGHS WEDNESDAY WILL BE IN THE LOWER 90S TO
  AROUND 100 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND NEAR RECORD TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
430 
WWUS85 KBYZ 290916
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
316 AM MDT WED AUG 29 2012

MTZ123>133-WYZ274-284-292315-
/O.CON.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
316 AM MDT WED AUG 29 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG GUSTY WINDS... AND
WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH CENTRAL MONTANA...
ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH DAKOTA...AND
PARTS OF NORTH CENTRAL WYOMING...

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284

* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...VERY WARM
  TEMPERATURES AND GUSTY WINDS WILL CAUSE EXTREMELY DANGEROUS FIRE
  WEATHER CONDITIONS. NEW AND EXISTING FIRES WILL DISPLAY
  EXPLOSIVE FIRE GROW UNDER THESE CONDITIONS.

* COLD FRONT...THE FRONT IS EXPECTED TO MOVE INTO THE BILLINGS
  VICINITY BY LATE MORNING...AND THROUGH SOUTHEAST MONTANA AND
  SHERIDAN WYOMING BY EARLY AFTERNOON. 

* WINDS...SOUTH TO SOUTHWEST 10 TO 20 MPH EARLY TODAY AHEAD OF THE
  ADVANCING COLD FRONT. WINDS WILL SHIFT TO THE NORTH AND
  NORTHWEST BEHIND THE FRONT WITH GUSTS TO 35 MPH FOR A COUPLE OF
  HOURS AFTER FRONTAL PASSAGE.

* HUMIDITY...MINIMUM HUMIDITIES OF 8 TO 16 PERCENT TODAY.

* TEMPERATURES...HIGHS TODAY WILL RANGE FROM THE UPPER 80S TO
  UPPER 90S. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND TEMPERATURES WELL ABOVE NORMAL WILL
CREATE EXPLOSIVE FIRE GROWTH FOR NEW AND EXISTING FIRES.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
168 
WWUS85 KBYZ 292054
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
254 PM MDT WED AUG 29 2012

MTZ123>133-WYZ274-284-300600-
/O.CON.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
254 PM MDT WED AUG 29 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG GUSTY WINDS...AND
WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH CENTRAL MONTANA...
ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH DAKOTA...AND
PARTS OF NORTH CENTRAL WYOMING...

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284

* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...VERY WARM 
  TEMPERATURES AND GUSTY WINDS WILL CAUSE EXTREMELY DANGEROUS 
  FIRE WEATHER CONDITIONS. NEW AND EXISTING FIRES WILL DISPLAY 
  EXPLOSIVE FIRE GROW UNDER THESE CONDITIONS.

* COLD FRONT...THE FRONT HAS MOVED THROUGH THE FORECAST AREA.
  GUSTY WINDS WILL CONTINUE BEHIND THE FRONT THROUGH THIS EVENING.

* WIND...NORTH WINDS 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* HUMIDITY...SINGLE DIGITS TO LOW TEENS.

* TEMPERATURES...LOW 90S TO AROUND 100.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND TEMPERATURES WELL ABOVE NORMAL WILL CREATE
EXPLOSIVE FIRE GROWTH FOR NEW AND EXISTING FIRES.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
055 
WWUS85 KBYZ 300331
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
931 PM MDT WED AUG 29 2012

MTZ123>133-WYZ274-284-300600-
/O.CON.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
931 PM MDT WED AUG 29 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR LOW HUMIDITIES...HOT TEMPERATURES...STRONG GUSTY WINDS...AND
WIND SHIFT WITH A COLD FRONT FOR ALL OF SOUTH CENTRAL MONTANA...
ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH DAKOTA...AND
PARTS OF NORTH CENTRAL WYOMING...

* AFFECTED AREA...IN MONTANA...FIRE ZONES...123...124...125...126
                                            127...128...129...130
                                            131...132...133
                  IN WYOMING...FIRE ZONES...274...284

* IMPACTS...A COMBINATION OF VERY LOW HUMIDITIES...WARM
  TEMPERATURES AND GUSTY WINDS WILL CAUSE EXTREMELY DANGEROUS
  FIRE WEATHER CONDITIONS. NEW AND EXISTING FIRES WILL DISPLAY
  EXPLOSIVE FIRE GROW UNDER THESE CONDITIONS.

* COLD FRONT...THE FRONT HAS MOVED THROUGH THE FORECAST AREA BUT
  GUSTY WINDS REMAIN BEHIND THE FRONT. GUSTY NORTH TO NORTHEAST
  WINDS WILL CONTINUE BEHIND THE FRONT UP TO MIDNIGHT...THEN
  GRADUALLY DECREASE OVERNIGHT.

* WIND...NORTH TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS UP TO 25
  MPH WILL CONTINUE UP TO MIDNIGHT. WINDS WILL GRADUALLY DECREASE
  OVERNIGHT. MOUNTAIN WINDS WILL CONTINUE TO GUST TO 25 MPH UP TO
  AROUND MIDNIGHT...THEN GRADUALLY DROP OFF OVERNIGHT AS WELL.

* HUMIDITY...LEVELS WILL BE IN THE MID TO UPPER TEENS UP TO AROUND
  MIDNIGHT...THEN GRADUALLY INCREASE OVERNIGHT.

* TEMPERATURES...70S DURING THE EVENING...GRADUALLY FALLING INTO
  THE 50S OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF STRONG WIND...VERY LOW
RELATIVE HUMIDITY...AND TEMPERATURES WELL ABOVE NORMAL WILL CREATE
EXPLOSIVE FIRE GROWTH FOR NEW AND EXISTING FIRES.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
857 
WWUS85 KBYZ 300518
RFWBYZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1118 PM MDT WED AUG 29 2012

MTZ123>133-WYZ274-284-300630-
/O.CAN.KBYZ.FW.W.0021.000000T0000Z-120830T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIG HORN CANYON REC AREA-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
BIG HORN NATIONAL FOREST-
1118 PM MDT WED AUG 29 2012

...RED FLAG WARNING IS CANCELLED FOR ALL OF SOUTH CENTRAL
MONTANA...ALL OF SOUTHEAST MONTANA...PARTS OF NORTHWEST SOUTH
DAKOTA...AND PARTS OF NORTH CENTRAL WYOMING...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELLED THE RED
FLAG WARNING.

HUMIDITIES ARE SLOWLY RISING ABOVE 20 PERCENT ACROSS THE AREA AND
WINDS HAVE FALLEN BELOW 15 MPH. THEREFORE...THE RED FLAG WARNING
HAS BEEN CANCELLED. HOWEVER...HUMIDITY LEVELS MAY REMAIN BELOW 35
PERCENT FOR SOME AREAS OVERNIGHT...AND CAUTION IS ADVISED FOR
THOSE WITH FIRE WEATHER INTERESTS.

$$

HTTP://WEATHER.GOV/BILLINGS

Nearby

Red Flag Warnings in Montana, 2012Red Flag Warnings in Wyoming, 2012Every red flag warning in 2012

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.