Alert archive / Montana / Red Flag Warnings in 2016

Red Flag Warning 1, NWS Missoula, MT

July 3, 20167 counties in Montana

NWS Missoula, MT issued this red flag warning at Jul 3, 2016, 1:46 PM MDT for 7 counties in Montana. It took effect at Jul 4, 2016, 2:00 PM MDT. It was in force for 7 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 3, 2016, 1:46 PM MDT (19:46 UTC)
In effect from
Jul 4, 2016, 2:00 PM MDT
Expired
Jul 4, 2016, 9:00 PM MDT
In force
7 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 19:48 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, 7.8 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 2016-07-03Temperature 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 2016-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1737 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

472 
WWUS85 KMSO 031946
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
146 PM MDT SUN JUL 3 2016

MTZ110-111-042000-
/O.NEW.KMSO.FW.W.0001.160704T2000Z-160705T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
146 PM MDT SUN JUL 3 2016

...RED FLAG WARNING IN EFFECT FROM 2 PM 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 2 PM TO 9 PM MDT MONDAY. 

* WINDS: WEST 15-25 MPH WITH GUSTS TO 40 MPH...ESPECIALLY ON
  EXPOSED RIDGES.

* MINIMUM HUMIDITIES: 13-23 PERCENT.

* THUNDERSTORMS: A FEW THUNDERSTORMS POSSIBLE IN THE FAR SOUTHERN
  BEAVERHEAD NATIONAL FOREST.

* TIMING: WINDS WILL BEGIN TO INCREASE AROUND NOON...PEAKING IN
  THE LATE AFTERNOON. THE MOST CRITICAL COMBINATION OF WINDS AND
  RHS IS EXPECTED BETWEEN ROUGHLY 4PM AND 7PM.

$$
2 follow-up statements
582 
WWUS85 KMSO 042032
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
232 PM MDT MON JUL 4 2016

MTZ110-111-050300-
/O.CON.KMSO.FW.W.0001.000000T0000Z-160705T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
232 PM MDT MON JUL 4 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 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 UNTIL 9 PM MDT THIS EVENING.

* WINDS: WEST 15-25 MPH WITH GUSTS TO 40 MPH...ESPECIALLY ON 
  EXPOSED RIDGES. 

* MINIMUM HUMIDITIES: 13-23 PERCENT.

* THUNDERSTORMS: A FEW THUNDERSTORMS POSSIBLE IN THE FAR 
  SOUTHERN BEAVERHEAD NATIONAL FOREST. 

* TIMING: WINDS WILL CONTINUE TO INCREASE THIS AFTERNOON...PEAKING
  IN THE LATE AFTERNOON TO EARLY EVENING. THE MOST CRITICAL
  COMBINATION OF WINDS AND RHS IS EXPECTED BETWEEN ROUGHLY 4PM AND
  7PM.

$$
978 
WWUS85 KMSO 050257
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
857 PM MDT MON JUL 4 2016

MTZ110-111-050400-
/O.EXP.KMSO.FW.W.0001.000000T0000Z-160705T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
857 PM MDT MON JUL 4 2016

...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. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:43 PM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders7 hr

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.