Alert archive / Montana / Red Flag Warnings in 2016

Red Flag Warning 3, NWS Missoula, MT

July 30, 20167 counties in Montana

NWS Missoula, MT issued this red flag warning at Jul 30, 2016, 2:13 PM MDT for 7 counties in Montana. It took effect at Jul 31, 2016, 12:00 PM MDT. It was in force for 8 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, 2016, 2:13 PM MDT (20:13 UTC)
In effect from
Jul 31, 2016, 12:00 PM MDT
Expired
Jul 31, 2016, 8:00 PM MDT
In force
8 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 20:13 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, 8.2 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 2016-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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 12:00Z on 2016-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
146 J/kg
Mixed-layer CIN
-214 J/kg
Mixed-layer LCL
2218 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WWUS85 KMSO 302013
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
213 PM MDT SAT JUL 30 2016

MTZ110-111-010200-
/O.UPG.KMSO.FW.A.0001.160731T1800Z-160801T0200Z/
/O.NEW.KMSO.FW.W.0003.160731T1800Z-160801T0200Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
213 PM MDT SAT JUL 30 2016

...RED FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM MDT
SUNDAY...

THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


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

* WINDS: WESTERLY WINDS 15 TO 25 MPH WITH RIDGE TOP WINDS FROM 25
  TO 30 MPH. WIND GUSTS OF 30 TO 40 MPH WILL BE COMMON INTO THE
  EARLY EVENING HOURS.

* MINIMUM HUMIDITIES: 8 TO 14 PERCENT AT LOWER ELEVATIONS AND NEAR
  20 PERCENT AT HIGH ELEVATIONS.

* TIMING: WINDS WILL INCREASE AROUND NOON...PEAKING BY LATE
  AFTERNOON. THE MOST CRITICAL COMBINATION OF WINDS AND LOW RH
  WILL BE BETWEEN ROUGHLY 3PM AND 7PM.


$$
1 follow-up statement
841 
WWUS85 KMSO 010211
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
811 PM MDT SUN JUL 31 2016

MTZ110-111-020215-
/O.EXP.KMSO.FW.W.0003.000000T0000Z-160801T0200Z/
/O.NEW.KMSO.FW.A.0002.160802T1800Z-160803T0300Z/
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
811 PM MDT SUN JUL 31 2016

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING...

THE RED FLAG WARNING IS NO LONGER IN EFFECT FOR THIS EVENING.

* WINDS HAVE BEGUN TO DECREASE WITH HUMIDITIES INCREASING SO THE
  RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER A FIRE
  WEATHER WATCH IS NOW IN EFFECT FOR TUESDAY AFTERNOON AND
  EVENING.

* AFFECTED AREA: FIRE ZONE 110 (DEERLODGE/WEST BEAVERHEAD) FIRE ZONE
  111 (EAST BEAVERHEAD) FOR TUESDAY AFTERNOON AND EVENING.

* WINDS: WESTERLY WINDS 15 TO 25 MPH WITH RIDGE TOP WINDS FROM 25
  TO 35 MPH. WIND GUSTS OF 30 TO 45 MPH WILL BE POSSIBLE TUESDAY
  AFTERNOON AND EVENING.

* MINIMUM HUMIDITIES: 7 TO 13 PERCENT AT LOWER ELEVATIONS AND 12
  TO 17 PERCENT AT HIGH ELEVATIONS BY TUESDAY AFTERNOON.


$$

MTZ106-108-109-020215-
/O.NEW.KMSO.FW.A.0002.160802T1800Z-160803T0300Z/
WEST LOLO-EAST LOLO-BITTERROOT-
811 PM MDT SUN JUL 31 2016

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

* AFFECTED AREA:
   FIRE ZONE 106 (WEST LOLO)
   FIRE ZONE 108 (EAST LOLO)
   FIRE ZONE 109 (BITTERROOT)

* WINDS: WESTERLY WINDS 15 TO 25 MPH WITH RIDGE TOP WINDS FROM 25
  TO 35 MPH. WIND GUSTS OF 30 TO 45 MPH WILL BE POSSIBLE TUESDAY
  AFTERNOON AND EVENING.

* MINIMUM HUMIDITIES: 10 TO 15 PERCENT AT LOWER ELEVATIONS AND 17
  TO 22 PERCENT AT HIGH ELEVATIONS BY TUESDAY AFTERNOON.

$$

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.