Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 10, NWS Missoula, MT

August 7, 20127 counties in Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this red flag warning at Aug 7, 2012, 2:00 PM MDT for 7 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Aug 8, 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 7, 2012, 2:00 PM MDT (20:00 UTC)
In effect from
Aug 8, 2012, 12:00 PM MDT
Expired
Aug 8, 2012, 9:00 PM MDT
In force
9 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Madison County, MT, Powell County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 122 km from the middle of the area, began a volume at 19:58 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, 8.0 hours before the alert went out and 263 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 2012-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
6 J/kg
Mixed-layer CIN
-431 J/kg
Mixed-layer LCL
2754 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
62 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.

091 
WWUS85 KMSO 072000
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
200 PM MDT TUE AUG 7 2012

MTZ110-111-081200-
/O.NEW.KMSO.FW.W.0010.120808T1800Z-120809T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
200 PM MDT TUE AUG 7 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT WEDNESDAY FOR
THUNDERSTORMS ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST
BEAVERHEAD...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON TO 9 PM
MDT WEDNESDAY. 


* WINDS:GUSTS UP TO 40 MPH NEAR THUNDERSTORMS

* MINIMUM HUMIDITIES: 10-20 PERCENT

* THUNDERSTORMS: SCATTERED HIGH-BASED THUNDERSTORMS WITH LOW
  CHANCE OF A WETTING RAIN.


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.

&&

$$
4 follow-up statements
204 
WWUS85 KMSO 081153
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
553 AM MDT WED AUG 8 2012

MTZ110-111-082100-
/O.CON.KMSO.FW.W.0010.120808T1800Z-120809T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
553 AM MDT WED AUG 8 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR THUNDERSTORMS ACROSS THE DEERLODGE/WEST
BEAVERHEAD...EAST BEAVERHEAD...

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

* WINDS:GUSTS UP TO 40 MPH NEAR THUNDERSTORMS

* MINIMUM HUMIDITIES: 10-20 PERCENT

* THUNDERSTORMS: SCATTERED HIGH-BASED THUNDERSTORMS WITH LOW 
  CHANCE OF A WETTING RAIN. 

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.

&&

$$
878 
WWUS85 KMSO 081957
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
157 PM MDT WED AUG 8 2012

MTZ110-111-090300-
/O.CON.KMSO.FW.W.0010.000000T0000Z-120809T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
157 PM MDT WED AUG 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR THUNDERSTORMS ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST
BEAVERHEAD...

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

* WINDS:GUSTS UP TO 40 MPH NEAR THUNDERSTORMS

* MINIMUM HUMIDITIES: 10-20 PERCENT

* THUNDERSTORMS: SCATTERED HIGH-BASED THUNDERSTORMS WITH LOW 
  CHANCE OF A WETTING RAIN. 

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.

&&

$$
033 
WWUS85 KMSO 082214
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
414 PM MDT WED AUG 8 2012

IDZ103-090600-
/O.EXB.KMSO.FW.W.0010.000000T0000Z-120809T0600Z/
CLEARWATER/NEZ PERCE-
314 PM PDT WED AUG 8 2012

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT UNTIL 11 PM PDT
THIS EVENING. 

* THUNDERSTORMS: SCATTERED HIGH-BASED THUNDERSTORMS WITH LOW 
  CHANCE OF A WETTING RAIN. 

* WINDS:GUSTS UP TO 40 MPH NEAR THUNDERSTORMS.

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.

&&

$$

MTZ110-111-090300-
/O.CON.KMSO.FW.W.0010.000000T0000Z-120809T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
414 PM MDT WED AUG 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR THUNDERSTORMS ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST
BEAVERHEAD...

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

* WINDS:GUSTS UP TO 40 MPH NEAR THUNDERSTORMS

* MINIMUM HUMIDITIES: 10-20 PERCENT

* THUNDERSTORMS: SCATTERED HIGH-BASED THUNDERSTORMS WITH LOW 
  CHANCE OF A WETTING RAIN. 

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.

&&

$$
186 
WWUS85 KMSO 090234
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
834 PM MDT WED AUG 8 2012

IDZ103-090345-
/O.CAN.KMSO.FW.W.0010.000000T0000Z-120809T0600Z/
CLEARWATER/NEZ PERCE-
734 PM PDT WED AUG 8 2012

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS ACROSS THE
CLEARWATER/NEZ PERCE...

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

THUNDERSTORMS HAVE MOVED OUT OF THE AREA AND CLOUD TO GROUND
LIGHTNING IS NO LONGER A SIGNIFICANT THREAT.

$$

MTZ110-111-090345-
/O.EXP.KMSO.FW.W.0010.000000T0000Z-120809T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
834 PM MDT WED AUG 8 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
THUNDERSTORMS ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST
BEAVERHEAD...

THE RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING. 

$$

Nearby

Red Flag Warnings in Montana, 2012Red Flag Warnings in Idaho, 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.