Alert archive / Montana / Red Flag Warnings in 2008

Red Flag Warning 2, NWS Missoula, MT

July 30, 20087 counties in Montana

NWS Missoula, MT issued this red flag warning at Jul 30, 2008, 8:24 AM MDT for 7 counties in Montana. It took effect at Jul 30, 2008, 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: Jul 30, 2008, 8:24 AM MDT (14:24 UTC)
In effect from: Jul 30, 2008, 12:00 PM MDT
Expired: Jul 30, 2008, 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 nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 2.4 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2398 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 169 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.

000 
WWUS85 KMSO 301424
RFWMSO

RED FLAG WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
824 AM MDT WED JUL 30 2008

MTZ110-111-310300-
/O.NEW.KMSO.FW.W.0002.080730T1800Z-080731T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
824 AM MDT WED JUL 30 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING 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...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING. 

SUSTAINED WEST TO NORTHWEST WINDS 15-20 MPH WITH PERSISTENT GUSTS
OF 20-30 MPH...LOCALLY UP TO 40 MPH...ARE EXPECTED THIS AFTERNOON
AND EARLY EVENING. THESE WINDS COMBINED WITH LOW RELATIVE HUMIDITIES
OF 10-15% THIS AFTERNOON WILL PRODUCE RED FLAG CONDITIONS.


A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

1 follow-up statement

000 
WWUS85 KMSO 310235
RFWMSO

RED FLAG WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
835 PM MDT WED JUL 30 2008

MTZ110-111-310345-
/O.EXP.KMSO.FW.W.0002.000000T0000Z-080731T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
835 PM MDT WED JUL 30 2008

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

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

WINDS WILL CONTINUE TO DECREASE AND RELATIVE HUMIDITIES WILL
INCREASE TONIGHT...SO WILL ALLOW THE RED FLAG WARNING TO EXPIRE. 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 2:27 AM MDT	Lake Wind Advisory	MSO	Flathead, Lake, Sanders	14 hr
Jul 30, 2:27 AM MDT	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	12 hr
Jul 30, 7:37 AM MDT	High Wind Warning	MSO	Flathead, Lake	7 hr

Nearby

Red Flag Warnings in Montana, 2008 Every red flag warning in 2008

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.