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Area forecast discussion 
National Weather Service Spokane Washington
1031 PM PDT Thursday Aug 21 2014

Synopsis...
Friday has the potential to be wet for the inland northwest with
good chances for thunderstorms region-wide, including the
Columbia Basin and Palouse. Locally heavy rain and frequent
lightning will accompany thunderstorms. The threat for widely
scattered showers and thunderstorms will continue into the
weekend, followed by a warmer and drier pattern by the middle of
next week.

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Discussion...
thunderstorms on the decrease this evening but not totally going
away as elevated forcing mechanisms remain in the vicinity of the
low pressure influencing the area. Minor adjustments to probability of precipitation and
quantitative precipitation forecast made. /Pelatti

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Aviation...
06z tafs: a somewhat moist and unstable air mass associated with
an area of low pressure will continue to influence the aviation
area for the next 24 hours. During the daytime hours surface based
convective showers and thunderstorms will occur, primarily over
and near mountain locations but most taf locations will be under
threat for a close miss or brief thunderstorm Friday afternoon and
evening. /Mjf

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Preliminary point temps/pops...
Spokane 57 76 55 75 54 79 / 50 40 40 10 10 20
Coeur D'Alene 56 74 52 73 51 76 / 70 60 50 10 10 20
Pullman 52 76 51 74 49 79 / 20 50 50 20 20 20
Lewiston 61 81 59 79 56 84 / 20 20 50 30 20 10
Colville 53 79 50 79 49 81 / 60 60 50 10 10 20
Sandpoint 51 71 48 72 46 73 / 60 70 50 10 10 20
Kellogg 54 68 51 68 47 72 / 70 70 60 40 20 30
Moses Lake 58 83 58 83 56 85 / 20 30 50 10 0 10
Wenatchee 63 80 63 83 58 84 / 50 40 50 10 10 10
Omak 60 80 58 82 53 85 / 60 60 40 10 10 20

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Otx watches/warnings/advisories...
Idaho...none.
Washington...Flash Flood Watch through Friday evening for east slopes
northern Cascades-Okanogan Valley-Wenatchee area.

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