Suppression Forecast
Issued by NWS Missoula, MT

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FNUS75 KMSO 222330
FWSMSO

Spot Forecast for Beaver Fire
National Weather Service Missoula MT
530 PM MDT Tue Sep 22 2020

Forecast is based on forecast start time of 0600 PDT on September 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Warm and breezy with drier RHs on Wednesday. With the
upper portion staying breezy Wednesday night, that should allow RHs
to be drier and temperatures milder. Cold front moves through
sometime between 9 am and noon Thursday bringing wetting rain,
higher RHs and gusty, westerly winds.

.WEDNESDAY...

* CWR (> 0.10 Inch)...0 percent.
* LAL.................1.
* Max Temperature.....67-72.
* Min Humidity........28-33 percent.
* Wind (20 ft)........Downslope 2 to 5 mph becoming upslope 5 to 9
  mph. Southwest 8 to 14 mph with gusts to 25 mph in the afternoon
  closer to ridgetops.
* Mixing Height.......Less than 100 ft agl increasing to 6000 ft
  agl in the afternoon.
* Mixing Winds........Southwest 18 mph.
* Haines Index........2 very low.
* Precip Amount.......0.00 inches.
* Sky/Weather.........Mainly scattered high clouds. Hazy from
  smoke.

.WEDNESDAY NIGHT...

* CWR (> 0.10 Inch)...Less than 10 percent.
* LAL.................1.
* Min Temperature.....43-48 Lower elevation.
                      49-54 Upper elevation.
* Max Humidity........74-93 percent lower.
                      63-73 percent upper.
* Wind (20 ft)........Lower elevation: Becoming downslope 3 to 5
  mph by sunset. Ridges may stay breezier with west-southwest
  winds 8 to 13 mph with gusts to 20 mph.
* Mixing Height.......6000 ft agl decreasing to less than 100 ft
  agl after sunset.
* Mixing Winds........Southwest 15 mph.
* Precip Amount.......0.00 inches.
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
  towards sunrise Thursday.

.THURSDAY...

* CWR (> 0.10 Inch)...90 percent.
* LAL.................1.
* Max Temperature.....52-55.
* Min Humidity........66-71 percent.
* Wind (20 ft)........Generally southwest 6 to 15 mph with gusts
  to 25 mph. Between 9am and noon, it may be more westerly with
  the cold front passage, gusting to 30 mph in the upper portion.
* Mixing Height.......Less than 100 ft agl increasing to 2000 ft
  agl by noon, to 3000 ft agl by 6 pm.
* Mixing Winds........Southwest 20 mph.
* Haines Index........2 very low.
* Precip Amount.......0.24 inches.
* Sky/Weather.........Cloudy. Rain after 8 am to 1 pm, then
  rain showers in the afternoon.

$$
Forecaster...Noble

Requested by...Sam Bullington
Type of request...WILDFIRE
.TAG 2011862.26/MSO
.DELDT 09/22/20
.EMAIL samuel.bullington@usda.gov


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