Suppression Forecast
Issued by NWS Missoula, MT

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FNUS75 KMSO 172218
FWSMSO

Spot Forecast for Sprague Fire
National Weather Service Missoula MT
418 PM MDT Thu Aug 17 2017

Forecast is based on request time of 2200 MDT on August 17.
If conditions become unrepresentative...contact the National Weather
Service.

...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 6 AM MDT
SATURDAY...

.DISCUSSION...A ridge of high pressure building tonight will
strengthen thermal belts with poor RH recoveries expected across
midslopes. The ridge will quickly break down on Friday and wind
will be on the increase in the afternoon especially for exposed
areas where wind gusts of 30 mph is possible. The gusty winds will
continue over ridge tops through Friday night. Models are hinting
at a possible easterly push Saturday morning but confidence is low
at this time. Breezy southwest winds will return Saturday
afternoon.

.TONIGHT...

* Sky/Weather.........Mostly clear.
* Min Temperature.....48-53 valleys. 55-60 Midslopes.
* Max Humidity........60-65 percent valleys. 40-45 percent
  Midslopes.

* Wind (20 ft)........Southwest 5-10 gust 15 mph in the evening
  becoming variable 3-6 mph.
* CWR (> 0.10 Inch)...0 percent.
* LAL.................1.
* Mixing Height.......7000 ft agl decreasing to less than 100 ft
  agl after sunset.
* Mixing Winds........West 15 mph.
* Precip Amount.......0.00 inches.

.FRIDAY...

* Sky/Weather.........Mostly sunny.
* Max Temperature.....75-80
* Min Humidity........19-24 percent.
* Wind (20 ft)........Southwest 5-12 mph increasing to 12-18 mph
  with gusts to around 30 mph in the afternoon.
* CWR (> 0.10 Inch)...0 percent.
* LAL.................1.
* Mixing Height.......Less than 100 ft agl increasing to 6000 ft
  agl in the afternoon.
* Mixing Winds........Southwest 15 mph.
* Haines Index........3 very low.
* Precip Amount.......0.00 inches.

.FRIDAY NIGHT...

* Sky/Weather.........Mostly clear.
* Min Temperature.....48-53 valleys. 55-60 Midslopes.
* Max Humidity........60-65 percent valleys. 50-55 percent
  Midslopes.
* Wind (20 ft)........Southwest 10-16 mph. Gusts up to 30 mph in
  the evening. Southwest 5-15 mph after midnight but gusty winds
  will continue across ridge tops through the night.

* CWR (> 0.10 Inch)...0 percent.
* LAL.................1.
* Mixing Height.......6000 ft agl decreasing to less than 100 ft
  agl after sunset.
* Mixing Winds........Southwest 20 mph.
* Precip Amount.......0.00 inches.

.SATURDAY...

* Sky/Weather.........Partly cloudy.
* Max Temperature.....69-74.
* Min Humidity........23-28 percent.
* Wind (20 ft)........Northeast 5-10 mph becoming Southwest 7-12
  gust 20 mph in the afternoon.

* CWR (> 0.10 Inch)...0 percent.
* LAL.................1.
* Mixing Height.......Less than 100 ft agl increasing to 7500 ft
  agl in the afternoon.
* Mixing Winds........Southwest 15 mph.
* Haines Index........3 very low.
* Precip Amount.......0.00 inches.

$$
Forecaster...Kino

Requested by...Alex Brooks
Type of request...WILDFIRE
.TAG 1714336.4/MSO


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