Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Missoula, MT

June 24, 20127 counties in Montana

NWS Missoula, MT issued this red flag warning at Jun 24, 2012, 8:58 PM MDT for 7 counties in Montana. It took effect at Jun 25, 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
Jun 24, 2012, 8:58 PM MDT (02:58 UTC)
In effect from
Jun 25, 2012, 12:00 PM MDT
Expired
Jun 25, 2012, 9:00 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, 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 02:59 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, 3.0 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 00:00Z on 2012-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1597 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 00:00Z on 2012-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1597 J/kg
Mixed-layer CIN
-251 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

326 
WWUS85 KMSO 250258
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
858 PM MDT SUN JUN 24 2012

MTZ110-111-251200-
/O.EXP.KMSO.FW.W.0001.000000T0000Z-120625T0300Z/
/O.NEW.KMSO.FW.W.0002.120625T1800Z-120626T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
858 PM MDT SUN JUN 24 2012

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

* WINDS: SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITIES: 7 TO 15 PERCENT.

* TIMING: BETWEEN 1200 MDT MONDAY AND 9 PM MDT MONDAY 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.

&&

$$
2 follow-up statements
557 
WWUS85 KMSO 250920
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
320 AM MDT MON JUN 25 2012

MTZ110-111-260300-
/O.CON.KMSO.FW.W.0002.120625T1800Z-120626T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
320 AM MDT MON JUN 25 2012

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

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

* WINDS: SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITIES: 7 TO 15 PERCENT.

* TIMING: BETWEEN 12 PM MDT AND 9 PM MDT TODAY.

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.

&&

$$
104 
WWUS85 KMSO 260252
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
852 PM MDT MON JUN 25 2012

MTZ110-111-260400-
/O.EXP.KMSO.FW.W.0002.000000T0000Z-120626T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
852 PM MDT MON JUN 25 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST
BEAVERHEAD...EAST BEAVERHEAD...

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

WINDS CONTINUE TO SLOWLY DIMINISH ACROSS SOUTHWEST MONTANA THIS
EVENING. WIND GUSTS TO 25 MPH WILL CONTINUE UNTIL SHORTLY AFTER
DARK. ALTHOUGH RELATIVE HUMIDITIES REMAIN IN THE TEENS WITH SOME
LOCATIONS IN SINGLE DIGITS...THEY WILL BE SLOWLY RECOVERING BY
SUNSET. MODERATE HUMIDITY RECOVERIES ARE EXPECTED OVERNIGHT.
OVERALL...CONDITIONS ARE EXPECTED TO CONTINUE TO IMPROVE INTO THE
EVENING HOURS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:04 PM MDTFlood WatchMSOFlathead, Lincoln47 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.