Area Forecast Discussion
Issued by NWS Spokane, WA

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FXUS66 KOTX 230317
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
817 PM PDT FRI MAY 22 2015

.SYNOPSIS...
The Memorial Day Weekend is expected to be warmer than average,
with afternoon temperatures in the 70s and 80s. Look for scattered
showers and thunderstorms this weekend into next week. Some
thunderstorms will be capable of producing heavy downpours and
frequent lightning.


&&

.DISCUSSION...
Updated the forecast to decrease pops north and east behind the
line of thunderstorms moving through the Columbia Basin this
evening. Additional update likely later once this line of
thunderstorms moves out of the area and/or diminishes tonight.
/Pelatti

&&

.AVIATION...
00Z TAFS: Marjority of thunderstorms on the radar this evening are
moving with a general storm track to the southwest at around 20
mph. With loss of peak heating and limited dynamics to support
forced convection the aviation forecasts show majority of
thunderstorm activity gone from most TAF sites after 2Z and from
just about everywhere at 9Z Saturday. MVFR ceilings primarily from
the rain shafts and the small hail from some of the storms. Wind
shifts common through this evening due to all the outflow
boundaries propagating out of all the thunderstorms. TAFS have no
mention of shower or thunderstorm activity Saturday afternoon as
considerably lesser convective activity is expected. /Pelatti


&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        53  82  52  80  53  73 /  10  10  10  20  30  50
Coeur d`Alene  52  80  53  80  52  71 /  20  10  10  20  30  50
Pullman        49  76  46  75  48  71 /  20  10  10  10  20  30
Lewiston       56  82  55  82  55  79 /  30  20  20  20  20  30
Colville       53  86  54  81  51  73 /  20  10  10  30  30  70
Sandpoint      50  81  48  79  49  71 /  10  10  10  20  20  60
Kellogg        50  80  49  80  48  70 /  20  20  10  20  20  50
Moses Lake     56  86  55  83  54  80 /  50  10  10  10  20  20
Wenatchee      59  85  59  81  57  79 /  50  10  10  20  20  10
Omak           53  87  53  83  52  77 /  30  10  10  30  20  40

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...None.
WA...None.
&&

$$


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