Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 23, NWS Missoula, MT

September 30, 20125 counties in Montana

NWS Missoula, MT issued this red flag warning at Sep 30, 2012, 11:15 AM MDT for 5 counties in Montana. It took effect at Oct 1, 2012, 12:00 PM MDT. It was in force for 10 hr. 1 report 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
Sep 30, 2012, 11:15 AM MDT (17:15 UTC)
In effect from
Oct 1, 2012, 12:00 PM MDT
Expired
Oct 1, 2012, 10:25 PM MDT
In force
10 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Glacier County, MT, Lake County, MT, Missoula County, MT, Powell County, MT

The radar

The Missoula radar (KMSX), 80 km from the middle of the area, began a volume at 17:17 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.

What was reported inside it

TimeReportWhereRemark
Oct 1, 7:00 PM MDTNON-TSTM WND GST 8613 Wsw Saint Mary, MT86 MPH WIND GUST AT LOGAN PASS.

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

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 5.3 hours before the alert went out and 210 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, Spokane, WA at 12:00Z on 2012-09-30Temperature 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, Spokane, WA at 12:00Z on 2012-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897Sfc1 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
1879 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
123 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.

299 
WWUS85 KMSO 301715
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1115 AM MDT SUN SEP 30 2012

MTZ105-011200-
/O.NEW.KMSO.FW.W.0023.121001T1800Z-121002T0600Z/
FLATHEAD/GLACIER PARK-
1115 AM MDT SUN SEP 30 2012

...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT
MONDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE
FLATHEAD/GLACIER PARK...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN EFFECT
FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT. 

* WINDS: WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCAL GUSTS ON
  THE RIDGE TOPS OF 40 TO 45 MPH.

* MINIMUM HUMIDITIES: 20 TO 30 PERCENT.

* TIMING: WEST WINDS WILL BEGIN TO INCREASE IN THE HIGHER TERRAIN
  AROUND NOON AND WILL PEAK 6PM-9PM MDT. WINDS WILL LIKELY STAY
  GUSTY THROUGH THE NIGHT IN THE HIGHER TERRAIN HOWEVER HUMIDITY
  SHOULD RECOVER ABOVE CRITICAL VALUES IN THE LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$
3 follow-up statements
446 
WWUS85 KMSO 011107
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
507 AM MDT MON OCT 1 2012

MTZ105-020000-
/O.CON.KMSO.FW.W.0023.121001T1800Z-121002T0600Z/
FLATHEAD/GLACIER PARK-
507 AM MDT MON OCT 1 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR THE FLATHEAD/GLACIER PARK FOR GUSTY WEST WINDS AND
LOW RELATIVE HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR GUSTY WEST WINDS AND LOW RELATIVE HUMIDITIES WHICH
REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY NIGHT. 

* WINDS: WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCAL GUSTS 
  ON THE RIDGE TOPS OF 40 TO 45 MPH. 

* MINIMUM HUMIDITIES: 20 TO 30 PERCENT.

* TIMING: WEST WINDS WILL BEGIN TO INCREASE IN THE HIGHER TERRAIN
  AROUND NOON AND WILL PEAK 6PM-9PM MDT. WINDS WILL LIKELY STAY
  GUSTY THROUGH THE NIGHT IN THE HIGHER TERRAIN HOWEVER HUMIDITY
  SHOULD RECOVER ABOVE CRITICAL VALUES IN THE LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$
287 
WWUS85 KMSO 011848
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1248 PM MDT MON OCT 1 2012

MTZ105-020600-
/O.CON.KMSO.FW.W.0023.000000T0000Z-121002T0600Z/
FLATHEAD/GLACIER PARK-
1248 PM MDT MON OCT 1 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE FLATHEAD/GLACIER
PARK...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* WINDS: WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCAL GUSTS 
  ON THE RIDGE TOPS OF 40 TO 45 MPH. 

* MINIMUM HUMIDITIES: 20 TO 30 PERCENT THIS AFTERNOON...THEN BEGIN
  TO RECOVER BY EVENING.

* TIMING: WEST WINDS WILL CONTINUE TO INCREASE IN THE HIGHER
  TERRAIN AND WILL PEAK 6PM-9PM MDT. WINDS WILL STAY GUSTY
  THROUGH THE NIGHT IN THE HIGHER TERRAIN HOWEVER HUMIDITY SHOULD
  RECOVER ABOVE CRITICAL VALUES IN THE LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED
WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL
SIGNIFICANTLY INCREASE FIRE DANGER.

&&

$$

MTZ111-020600-
/O.NEW.KMSO.FW.A.0015.121002T2000Z-121003T0300Z/
EAST BEAVERHEAD-
1248 PM MDT MON OCT 1 2012

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE
EAST BEAVERHEAD...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FIRE
WEATHER WATCH FOR GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN
EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. 


* WINDS: WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. 

* MINIMUM HUMIDITIES: 17 TO 27 PERCENT

* TIMING: WEST WINDS WILL BE INCREASING BY EARLY TUESDAY
  AFTERNOON...PEAKING DURING THE MID TO LATE AFTERNOON. AT THE
  SAME TIME..RELATIVE HUMIDITIES WILL BE BOTTOMING OUT MID TO LATE
  TUESDAY AFTERNOON. THE COMBINATION OF LOWER HUMIDITIES AND GUSTY
  WINDS SHOULD PROVIDE AN ACTIVE BURNING PERIOD AND POTENTIALLY
  HAZARDOUS FIRE WEATHER CONDITIONS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
015 
WWUS85 KMSO 020425
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1025 PM MDT MON OCT 1 2012

MTZ105-020530-
/O.CAN.KMSO.FW.W.0023.000000T0000Z-121002T0600Z/
FLATHEAD/GLACIER PARK-
1025 PM MDT MON OCT 1 2012

...RED FLAG WARNING IS CANCELLED FOR THE FLATHEAD/GLACIER PARK...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE RED
FLAG WARNING. 

WINDS AND RELEATIVE HUMIDITIES HAVE FALLEN BELOW RED FLAG CRITERIA
THUS THE RED FLAGE WARNING HAS BEEN CANCELLED.

$$

MTZ111-021200-
/O.CON.KMSO.FW.A.0015.121002T2000Z-121003T0300Z/
EAST BEAVERHEAD-
1025 PM MDT MON OCT 1 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING FOR THE EAST BEAVERHEAD...

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

* WINDS: WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITIES: 17 TO 27 PERCENT

* TIMING: WEST WINDS WILL BE INCREASING BY EARLY TUESDAY 
  AFTERNOON...PEAKING DURING THE MID TO LATE AFTERNOON. AT THE 
  SAME TIME..RELATIVE HUMIDITIES WILL BE BOTTOMING OUT MID TO 
  LATE TUESDAY AFTERNOON. THE COMBINATION OF LOWER HUMIDITIES 
  AND GUSTY WINDS SHOULD PROVIDE AN ACTIVE BURNING PERIOD AND 
  POTENTIALLY HAZARDOUS FIRE WEATHER CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

Nearby

Red Flag Warnings in Montana, 2012Every red flag warning in 2012

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.