Alert archive / Montana / Red Flag Warnings in 2016

Red Flag Warning 5, NWS Missoula, MT

August 6, 20167 counties in Montana

NWS Missoula, MT issued this red flag warning at Aug 6, 2016, 11:01 AM MDT for 7 counties in Montana. It took effect at Aug 6, 2016, 3:00 PM MDT. It was in force for 6 hr. 7 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 6, 2016, 11:01 AM MDT (17:01 UTC)
In effect from
Aug 6, 2016, 3:00 PM MDT
Expired
Aug 6, 2016, 9:00 PM MDT
In force
6 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 17:00 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.

What was reported inside it

TimeReportWhereRemark
Aug 6, 3:23 PM MDTTSTM WND GST 552 Se Wickes, MT55 MPH WIND GUST AT THE DOT SENSOR ON BOULDER HILL.
Aug 6, 3:50 PM MDTHAIL 0.253 W Clancy, MTTRAINED SPOTTER REPORTS 2 INCHES OF RAIN IN ABOUT 30 MINUTES. LOTS OF PEA-SIZED HAIL PILED UP IN DRIFTS
Aug 6, 3:50 PM MDTHEAVY RAIN 23 W Clancy, MTTRAINED SPOTTER REPORTS 2 INCHES OF RAIN IN ABOUT 30 MINUTES. LOTS OF PEA-SIZED HAIL PILED UP IN DRIFTS
Aug 6, 4:32 PM MDTTSTM WND GST 585 Ne Dillon, MT58 MPH WIND GUST AT THE DILLON AIRPORT.
Aug 6, 4:42 PM MDTTSTM WND GST 587 Se Glen, MT58 MPH THUNDERSTORM WIND GUST.
Aug 6, 5:35 PM MDTTSTM WND GST 485 Se Ennis, MT48 MPH WIND GUST AT THE ENNIS AIRPORT.
Aug 6, 5:38 PM MDTTSTM WND GST 62Ennis, MT62 MPH WIND GUST IN ENNIS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 5.0 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 12:00Z on 2016-08-06Temperature 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 2016-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
2513 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

032 
WWUS85 KMSO 061701
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1101 AM MDT SAT AUG 6 2016

MTZ110-111-070300-
/O.UPG.KMSO.FW.A.0003.160806T2100Z-160807T0300Z/
/O.NEW.KMSO.FW.W.0005.160806T2100Z-160807T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
1101 AM MDT SAT AUG 6 2016

...RED FLAG WARNING 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 110 (DEERLODGE/WEST BEAVERHEAD). FIRE 
  ZONE 111 (EAST BEAVERHEAD). 

* THUNDERSTORMS: 

THUNDERSTORMS WILL BEGIN FORMING AROUND 1500 LT OVER HIGH TERRAIN
ALONG IDAHO/MONTANA BORDER. THUNDERSTORMS WILL MOVE EASTWARD
THROUGH THIS AFTERNOON AND EARLY EVENING...PRODUCING POCKETS OF
MULTIPLE DOWNSTRIKES...LITTLE RAINFALL...AND BRIEF ERRATIC
OUTFLOW WINDS TO 40 MPH. THE DILLON AND MADISON DISTRICTS ARE THE
MOST LIKELY AREAS FOR DRY THUNDERSTORMS. THE THUNDERSTORM THREAT
WILL DIMINISH BY 2100 LT.

&&

$$
1 follow-up statement
006 
WWUS85 KMSO 070258
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
858 PM MDT SAT AUG 6 2016

MTZ110-111-070400-
/O.EXP.KMSO.FW.W.0005.000000T0000Z-160807T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
858 PM MDT SAT AUG 6 2016

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

* AFFECTED AREA:
   FIRE ZONE 110 (DEERLODGE/WEST BEAVERHEAD).
   FIRE ZONE 111 (EAST BEAVERHEAD).

* THUNDERSTORMS: ACTIVITY HAS DIMINISHED ACROSS THE AREA.



&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:01 PM MDTSpecial Weather StatementMSOSanders29 min
Aug 5, 7:31 PM MDTSpecial Weather StatementMSOLake29 min
Aug 6, 2:01 PM MDTFlash Flood WatchMSOFlathead, Lake30 hr
Aug 6, 2:11 PM MDTSpecial Weather StatementMSORavalli49 min
Aug 6, 2:52 PM MDTSpecial Weather StatementMSODeer Lodge38 min
Aug 6, 3:18 PM MDTSpecial Weather StatementMSOBeaverhead27 min
Aug 6, 3:21 PM MDTSpecial Weather StatementMSORavalli39 min
Aug 6, 3:25 PM MDTSpecial Weather StatementMSODeer Lodge35 min
Aug 6, 3:31 PM MDTSpecial Weather StatementMSOPowell44 min
Aug 6, 3:45 PM MDTSpecial Weather StatementMSO45 min
Aug 6, 3:52 PM MDTSpecial Weather StatementMSOMissoula53 min
Aug 6, 4:18 PM MDTSevere Thunderstorm WarningMSOMissoula, Ravalli42 min
Aug 6, 4:37 PM MDTSpecial Weather StatementMSOPowell38 min
Aug 6, 4:53 PM MDTSpecial Weather StatementMSOFlathead52 min
Aug 6, 5:11 PM MDTSpecial Weather StatementMSOFlathead34 min
Aug 6, 5:18 PM MDTSpecial Weather StatementMSOLake42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.