Suppression Forecast
Issued by NWS Glasgow, MT

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000
FNUS75 KGGW 210032
FWSGGW

Spot Forecast for Square Butte...BLM
National Weather Service Glasgow MT
632 PM MDT Thu Jul 20 2017

Forecast is based on request time of 2000 MDT on July 20.
If conditions become unrepresentative...contact the National Weather
Service at (406) 228-4042.

...UPDATED TO INCLUDE CRITICAL FIRE WEATHER CONDITIONS STARTING
THIS EVENING...

...STRONG THUNDERSTORM GUST FRONT WINDS FROM THE NE APPROACHING
THE FIRE TO ARRIVE BETWEEN 730 PM MDT TO 800 PM MDT...

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY  FOR LOW
RELATIVE HUMIDITY AND GUSTY WINDS...

.DISCUSSION...A line of thunderstorms well to the north of the
area will producing a wind shift at the fire from NNW TO NE at
speeds of 20 to 30 mph with gusts in the 30s.

A low pressure disturbance in Canada Friday will generate strong
northwest winds again and in combination with low relative
humidity late Friday morning through Friday evening to create
critical fire conditions. Strong wind on Saturday could again
produce critical fire wx conditions.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent). Isolated
                    thunderstorms.
CWR.................0 percent.
LAL.................2.
Min temperature.....64-69.
Max humidity........43-48 percent.
Wind (20 ft)........WNW winds 5 to 9 mph SHIFTING TO THE NE 20 to
                    30 mph with gusts to 35 to 40 mph with the gust
                    front...arrival 730 pm to 800 pm MDT. Becoming
                    north 5 to 8 mph late evening becoming northwest
                    6 to 11 mph after midnight.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....87-92.
Min humidity........7-12 percent.
Wind (20 ft)........West winds 8 to 16 mph with gusts to around 30
                    mph.

$$
Forecaster...Clemmons
Requested by...Bradley Weller
Type of request...WILDFIRE
.TAG 1713022.1/GGW
.EMAIL milescitydispatch@gmail.com



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