Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Missoula, MT

July 2, 20127 counties in Montana

NWS Missoula, MT issued this red flag warning at Jul 2, 2012, 2:24 PM MDT for 7 counties in Montana. It took effect at Jul 3, 2012, 12:00 PM MDT. It was in force for 11 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
Jul 2, 2012, 2:24 PM MDT (20:24 UTC)
In effect from
Jul 3, 2012, 12:00 PM MDT
Expired
Jul 3, 2012, 10:30 PM MDT
In force
11 hr
Issued by
NWS Missoula, MT

Counties 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), 154 km from the middle of the area, began a volume at 20:30 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, 8.4 hours before the alert went out and 231 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 2012-07-02Temperature 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 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
1578 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
38 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.

753 
WWUS85 KMSO 022024
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
224 PM MDT MON JUL 2 2012

MTZ110-111-031200-
/O.UPG.KMSO.FW.A.0002.120703T1800Z-120704T0600Z/
/O.NEW.KMSO.FW.W.0005.120703T1800Z-120704T0600Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
224 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT
TUESDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY ACROSS THE
DEERLODGE/WEST BEAVERHEAD AND EAST BEAVERHEAD AREAS OF SOUTHWEST
MONTANA...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH.

* MINIMUM HUMIDITIES: 10 TO 18 PERCENT.

* THUNDERSTORMS: ISOLATED DRY STORMS.

* TIMING: NOON TO MIDNIGHT TUESDAY.

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.

&&

$$

GIBSON
2 follow-up statements
116 
WWUS85 KMSO 030955
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
355 AM MDT TUE JUL 3 2012

MTZ110-111-040600-
/O.CON.KMSO.FW.W.0005.120703T1800Z-120704T0600Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
355 AM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE
DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT. 

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH.

* MINIMUM HUMIDITIES: 10 TO 18 PERCENT.

* THUNDERSTORMS: ISOLATED THUNDERSTORMS.

* TIMING: NOON TO MIDNIGHT TUESDAY.

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.

&&

$$
284 
WWUS85 KMSO 040430
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1030 PM MDT TUE JUL 3 2012

MTZ110-111-040530-
/O.CAN.KMSO.FW.W.0005.000000T0000Z-120704T0600Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
1030 PM MDT TUE JUL 3 2012

...RED FLAG WARNING IS CANCELLED FOR THE DEERLODGE/WEST
BEAVERHEAD...EAST BEAVERHEAD...

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

WINDS HAVE BEGUN TO DECREASE WITH HUMIDITY INCREASING THIS EVENING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 6:33 PM MDTSpecial Weather StatementMSOLake42 min
Jul 2, 3:06 AM MDTFire Weather WatchMSOBeaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more11 hr
Jul 2, 3:01 PM MDTFlood WatchMSOLincoln4 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.