Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 8, NWS Missoula, MT

August 1, 201210 counties in Montana

NWS Missoula, MT issued this red flag warning at Aug 1, 2012, 10:33 AM MDT for 10 counties in Montana. It took effect at Aug 2, 2012, 12:00 PM MDT. 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
Aug 1, 2012, 10:33 AM MDT (16:33 UTC)
In effect from
Aug 2, 2012, 12:00 PM MDT
Expired
Aug 2, 2012, 8:53 PM MDT
In force
9 hr
Issued by
NWS Missoula, MT

Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Lewis and Clark County, MT, Madison County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 122 km from the middle of the area, began a volume at 16:34 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

Great_falls, MT (KTFX), launched 12:00Z, 4.6 hours before the alert went out and 226 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, Great_falls, MT at 12:00Z on 2012-08-01Temperature 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, Great_falls, MT at 12:00Z on 2012-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 square meters per square second.1939587897Sfc1 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
2612 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
50 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.

579 
WWUS85 KMSO 011633
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1033 AM MDT WED AUG 1 2012

MTZ109>111-021200-
/O.UPG.KMSO.FW.A.0005.120802T1800Z-120803T0600Z/
/O.NEW.KMSO.FW.W.0008.120802T1800Z-120803T0300Z/
BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
1033 AM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITIES ACROSS THE BITTERROOT...
DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT THURSDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT. 

* WINDS: SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS INTO THE 30S.

* MINIMUM HUMIDITIES: 10 TO 15 PERCENT.

* TIMING/IMPACTS: STRONG AND GUSTY CONDITIONS WILL DEVELOP AHEAD
  OF A DRY COLD FRONT WHICH WILL COINCIDE WITH THE HOTTEST AND
  DRIEST TIME IN THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$

MTZ108-021200-
/O.NEW.KMSO.FW.W.0008.120802T1800Z-120803T0300Z/
EAST LOLO-
1033 AM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT THURSDAY. 

* WINDS: SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS INTO THE 30S.

* MINIMUM HUMIDITIES: 10 TO 20 PERCENT.

* TIMING/IMPACTS: STRONG AND GUSTY CONDITIONS WILL DEVELOP AHEAD
  OF A COLD FRONT WHICH WILL COINCIDE WITH THE HOTTEST AND DRIEST
  TIME IN THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$
3 follow-up statements
657 
WWUS85 KMSO 021046
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
446 AM MDT THU AUG 2 2012

MTZ108>111-022100-
/O.CON.KMSO.FW.W.0008.120802T1800Z-120803T0300Z/
EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
446 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST
LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

* WINDS: SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS INTO THE 30S.

* MINIMUM HUMIDITIES: 8 TO 15 PERCENT.

* TIMING/IMPACTS: STRONG AND GUSTY CONDITIONS WILL DEVELOP AHEAD 
  OF A DRY COLD FRONT WHICH WILL COINCIDE WITH THE HOTTEST AND 
  DRIEST TIME IN THE DAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$
156 
WWUS85 KMSO 022027
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
227 PM MDT THU AUG 2 2012

MTZ108>111-030300-
/O.CON.KMSO.FW.W.0008.000000T0000Z-120803T0300Z/
EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
227 PM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO...
BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING.

* WINDS: SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS INTO THE 30S.

* MINIMUM HUMIDITIES: 8 TO 15 PERCENT.

* TIMING/IMPACTS: STRONG AND GUSTY CONDITIONS WILL CONTINUE TO DEVELOP
  AHEAD OF A DRY COLD FRONT WHICH WILL COINCIDE WITH THE HOTTEST
  AND DRIEST TIME IN THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$
715 
WWUS85 KMSO 030253
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
853 PM MDT THU AUG 2 2012

MTZ108>111-030400-
/O.CAN.KMSO.FW.W.0008.000000T0000Z-120803T0300Z/
EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
853 PM MDT THU AUG 2 2012

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW
HUMIDITIES ACROSS THE EAST LOLO...BITTERROOT...DEERLODGE/WEST
BEAVERHEAD...EAST BEAVERHEAD...

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

RELATIVE HUMIDITIES WILL BEGIN TO RECOVER NOW THAT THE COLD FRONT
HAS PASSED THROUGH THE AREA. WINDS HAVE ALSO SHOWED A DECREASING
TREND THIS EVENING. THEREFORE...THE RED FLAG WARNING HAS BEEN
CANCELLED.

$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 3:36 AM MDTFire Weather WatchMSOBeaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 2 more7 hr

Nearby

Red Flag Warnings in Montana, 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.