Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 13, NWS Missoula, MT

August 19, 20128 counties in Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this red flag warning at Aug 19, 2012, 3:39 AM MDT for 8 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Aug 19, 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 19, 2012, 3:39 AM MDT (09:39 UTC)
In effect from
Aug 19, 2012, 12:00 PM MDT
Expired
Aug 19, 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, Ravalli County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 119 km from the middle of the area, began a volume at 09:43 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 00:00Z, 9.7 hours before the alert went out and 267 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 00:00Z on 2012-08-19Temperature 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 00:00Z on 2012-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 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
4578 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
29 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.

944 
WWUS85 KMSO 190939
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
339 AM MDT SUN AUG 19 2012

IDZ102-191045-
/O.CAN.KMSO.FW.A.0009.120819T1800Z-120820T0300Z/
PALOUSE/HELLS CANYON-
239 AM PDT SUN AUG 19 2012

...FIRE WEATHER WATCH IS CANCELLED FOR THUNDERSTORMS ACROSS THE
PALOUSE/HELLS CANYON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE FIRE
WEATHER WATCH. 

THE THREAT FOR THUNDERSTORMS LOOKS TO BE FURTHER SOUTH AND EAST OF
FIRE ZONE 102. THEREFORE THE FIRE WEATHER WATCH HAS BEEN CANCELLED. 

$$

IDZ103-MTZ109>111-192100-
/O.UPG.KMSO.FW.A.0009.120819T1800Z-120820T0300Z/
/O.NEW.KMSO.FW.W.0013.120819T1800Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
339 AM MDT SUN AUG 19 2012 /239 AM PDT SUN AUG 19 2012/

...RED FLAG WARNING IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO
9 PM MDT /8 PM PDT/ THIS EVENING FOR THUNDERSTORMS ACROSS THE
CLEARWATER/NEZ PERCE...BITTERROOT...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 MDT
/11 AM PDT/ TODAY TO 9 PM MDT /8 PM PDT/ THIS EVENING. 

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: OUTFLOW WINDS GUSTS UP TO 35 MPH FROM THUNDERSTORMS.

* MINIMUM HUMIDITIES: 12-22 PERCENT

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED THUNDERSTORMS. STORMS WILL
  BE A MIX OF WET AND DRY STORMS.

* TIMING: THIS AFTERNOON AND EVENING.

&&

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.

&&

$$
5 follow-up statements
314 
WWUS85 KMSO 192001
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
201 PM MDT SUN AUG 19 2012

IDZ103-MTZ109>111-200300-
/O.CON.KMSO.FW.W.0013.000000T0000Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
201 PM MDT SUN AUG 19 2012 /101 PM PDT SUN AUG 19 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
THIS EVENING FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...
BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

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

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: OUTFLOW WINDS GUSTS UP TO 35 MPH FROM THUNDERSTORMS.

* MINIMUM HUMIDITIES: 12-22 PERCENT

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED THUNDERSTORMS. 
  STORMS WILL BE A MIX OF WET AND DRY STORMS. 

* TIMING: THIS AFTERNOON AND EVENING.


&&

$$
993 
WWUS85 KMSO 192031
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
231 PM MDT SUN AUG 19 2012

IDZ103-MTZ109>111-200300-
/O.CON.KMSO.FW.W.0013.000000T0000Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
231 PM MDT SUN AUG 19 2012 /131 PM PDT SUN AUG 19 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
THIS EVENING FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...
BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

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

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: OUTFLOW WINDS GUSTS UP TO 35 MPH FROM THUNDERSTORMS.

* MINIMUM HUMIDITIES: 12-22 PERCENT

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED THUNDERSTORMS. 
  STORMS WILL BE A MIX OF WET AND DRY STORMS. 

* TIMING: THIS AFTERNOON AND EVENING.

&&

$$
912 
WWUS85 KMSO 192032
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
232 PM MDT SUN AUG 19 2012

IDZ103-MTZ109>111-200300-
/O.CON.KMSO.FW.W.0013.000000T0000Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
232 PM MDT SUN AUG 19 2012 /132 PM PDT SUN AUG 19 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
THIS EVENING FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...
BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

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

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: OUTFLOW WINDS GUSTS UP TO 35 MPH FROM THUNDERSTORMS.

* MINIMUM HUMIDITIES: 12-22 PERCENT

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED THUNDERSTORMS. 
  STORMS WILL BE A MIX OF WET AND DRY STORMS. 

* TIMING: THIS AFTERNOON AND EVENING.

&&

$$
807 
WWUS85 KMSO 192034 CCA
RFWMSO

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MISSOULA MT
233 PM MDT SUN AUG 19 2012

IDZ103-MTZ109>111-200300-
/O.COR.KMSO.FW.W.0013.000000T0000Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
233 PM MDT SUN AUG 19 2012 /133 PM PDT SUN AUG 19 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
THIS EVENING FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...
BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD (ZONES
103 109 110 111)...

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

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: OUTFLOW WINDS GUSTS UP TO 35 MPH FROM THUNDERSTORMS.

* MINIMUM HUMIDITIES: 12-22 PERCENT

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED THUNDERSTORMS. 
  STORMS WILL BE A MIX OF WET AND DRY STORMS. 

* TIMING: THIS AFTERNOON AND EVENING.

&&

$$
389 
WWUS85 KMSO 200234
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
834 PM MDT SUN AUG 19 2012

IDZ103-MTZ109>111-200345-
/O.EXP.KMSO.FW.W.0013.000000T0000Z-120820T0300Z/
CLEARWATER/NEZ PERCE-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-
EAST BEAVERHEAD-
834 PM MDT SUN AUG 19 2012 /734 PM PDT SUN AUG 19 2012/

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT /8 PM PDT/ THIS
EVENING FOR THE CLEARWATER/NEZ PERCE...BITTERROOT...
DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

THE RED FLAG WARNING WILL EXPIRE AT 9 PM MDT /8 PM PDT/ 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.