Alert archive / Montana / Red Flag Warnings in 2016

Red Flag Warning 6, NWS Missoula, MT

August 9, 20164 counties in Montana

NWS Missoula, MT issued this red flag warning at Aug 9, 2016, 3:14 AM MDT for 4 counties in Montana. It took effect at Aug 9, 2016, 3:00 PM MDT. It was in force for 6 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 9, 2016, 3:14 AM MDT (09:14 UTC)
In effect from
Aug 9, 2016, 3:00 PM MDT
Expired
Aug 9, 2016, 9:00 PM MDT
In force
6 hr
Issued by
NWS Missoula, MT

Counties Beaverhead County, MT, Jefferson County, MT, Madison County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 200 km from the middle of the area, began a volume at 09:17 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, 9.2 hours before the alert went out and 246 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 2016-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 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 2016-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
75 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
3220 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

289 
WWUS85 KMSO 090914
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
314 AM MDT TUE AUG 9 2016


MTZ111-100300-
/O.UPG.KMSO.FW.A.0004.160809T2100Z-160810T0300Z/
/O.NEW.KMSO.FW.W.0006.160809T2100Z-160810T0300Z/
EAST BEAVERHEAD-
314 AM MDT TUE AUG 9 2016

...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING FOR LOW RH AND GUSTY WINDS FOR FIRE WEATHER ZONE
111...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM MDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


* AFFECTED AREA: FIRE ZONE 111 (EAST BEAVERHEAD)...MAINLY FROM
  ENNIS SOUTH.

* WINDS: SOUTHWEST 20 TO 30 MPH.

* MINIMUM HUMIDITIES: 12 TO 18 PERCENT AT LOWER ELEVATIONS AND
  NEAR 20 PERCENT AT HIGH ELEVATIONS.

* HAINES INDEX: 6 HIGH.

* TIMING: WINDS WILL INCREASE BY EARLY AFTERNOON...PEAKING IN THE LATE
  AFTERNOON. THE MOST CRITICAL COMBINATION OF WINDS AND LOW RH
  WILL BE BETWEEN ROUGHLY 4PM AND 8PM.

&&


$$
1 follow-up statement
340 
WWUS85 KMSO 100256
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
856 PM MDT TUE AUG 9 2016

MTZ111-100400-
/O.EXP.KMSO.FW.W.0006.000000T0000Z-160810T0300Z/
EAST BEAVERHEAD-
856 PM MDT TUE AUG 9 2016

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

WINDS WILL GRADUALLY DECREASE THROUGH THE EVENING, WITH RHS SLOWLY
IMPROVING.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 6:25 PM MDTSpecial Weather StatementMSOPowell35 min
Aug 8, 7:57 PM MDTSpecial Weather StatementMSOMissoula33 min
Aug 8, 8:09 PM MDTSpecial Weather StatementMSORavalli36 min
Aug 8, 8:42 PM MDTSpecial Weather StatementMSOMissoula33 min
Aug 8, 9:05 PM MDTSpecial Weather StatementMSOMissoula25 min
Aug 8, 9:56 PM MDTSpecial Weather StatementMSOGranite34 min
Aug 8, 10:16 PM MDTSpecial Weather StatementMSOMissoula29 min
Aug 8, 10:52 PM MDTSpecial Weather StatementMSOGranite23 min
Aug 8, 11:39 PM MDTSpecial Weather StatementMSOMissoula36 min
Aug 9, 8:17 AM MDTSpecial Weather StatementMSOPowell28 min
Aug 9, 11:39 AM MDTSpecial Weather StatementMSO51 min
Aug 9, 1:45 PM MDTSpecial Weather StatementMSORavalli45 min
Aug 9, 1:56 PM MDTSevere Thunderstorm WarningMSORavalli34 min
Aug 9, 2:27 PM MDTSpecial Weather StatementMSOPowell33 min
Aug 9, 3:11 PM MDTSpecial Weather StatementMSOMissoula34 min
Aug 9, 3:27 PM MDTSpecial Weather StatementMSOPowell33 min
Aug 9, 4:27 PM MDTSpecial Weather StatementMSOPowell33 min

Nearby

Red Flag Warnings in Montana, 2016Every red flag warning in 2016

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.