Wenatchee and
Okanogan Districts |
Time Issued: |
7:00 p.m. |
Date: |
Saturday,
May 31, 2008 |
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,,, This is the Final Clearwest frost forecast
for the 2008 frost season...
Discussion: Clouds are moving northward through
Washington this evening accompanying an upper level disturbance ahead of
an offshore weather system. Scattered showers and possibly a thunderstorm
will occur followed by some late night clearing.
The offshore weather system will move inland on Sunday and east of us on
Monday. Colder air will accompany this system which will settle in
over eastern Washington for much of the coming week.. A west to northwest
flow of cool Pacific air will reinforce this air mass on a couple occasions
during the next 4 or 5 days. The most likely periods for rainfall is
tonight and Sunday and again on Tuesday. Cloudy periods and frequent
wind will limit nighttime temperature fall, but on nights that have a minimum
of wind or clouds, there will be a potential for temperatures in the low
to mid 30s. No significant warming is seen before late next weekend.
The 5 pm temperature at Omak area was 80 with a dewpoint of 37.
The 5 pm temperature at Wenatchee was 81 with a dewpoint of 35.
OKANOGAN DISTRICT
TONIGHT
Weather: Clouding over. Chance of a late night shower
or thunderstorm, mainly mountains. Wind becoming southwest 6 to 13
mph exposed areas.
Minimum Temp: 48 to 55.
Protection: Not needed.
Ceiling or Inversion: Strong.
Key Station Forecasts:
E. Oroville AWN |
AF |
Okanogan |
AF |
Ellisforde AWN |
AF |
Malott |
AF |
Ellisforde |
AF |
Brewster Flat |
AF |
Loomis |
AF |
Brewster AWN |
AF |
S. Tonasket AWN |
AF |
Bridgeport |
AF |
N. Pogue Flat AWN |
AF |
Methow |
AF |
SAF= Slightly above freezing (33 or 34); AF= Above freezing (35 or higher)
*Omak Flat discontinued, but New Pogue Flat AWN
is similar.
WENATCHEE DISTRICT
TONIGHT
Weather: .Isolated showers with chance of a thunderstorm, mainly
mountains. Some clearing beginning late night. West wind increasing
to 8 to 14 mph main Cascade valleys overnight.
Minimum Temp: In the mid 40s to lower 50s.
Protection: Not needed.
Ceiling or Inversion: Strong.
Key Station Forecasts:
Wenatchee AWN |
AF |
Malaga |
AF |
 |
Baker Flats |
AF |
Orondo |
AF |
Leavenworth |
AF |
Twin W |
AF |
Pine Flats |
AF |
Azwell |
AF |
Cashmere |
AF |
Chelan |
AF |
Stemilt |
AF |
Manson |
AF |
E. Wenatchee |
AF |
|
|
SAF= Slightly above freezing (33 or 34); AF= Above freezing (35 or higher)
*E. Wenatchee located at west side of landfill, bordering lower Banning orchard.
WENATCHEE AND OKANOGAN DISTRICTS --
SUNDAY AND SUNDAY NIGHT
Weather: Showers likely Okanogan and near the mountains Wenatchee
district. Isolated showers overnight Okanogan..
Wind: .Westerly 10 to 20 mph, decreasing by early morning.
Maximum Temp: In the mid and upper 70s.
Minimum Temp: Mostly in the 40s, but some mid and upper 30s
in wind sheltered locations of mainly the Wenatchee district.
Protection: Not needed.
MONDAY AND MONDAY NIGHT
Weather: Partly cloudy daytime, increasing clouds late night.
Wind: Southwest to northwest 8 to 17 mph afternoon and evening
becoming 4 to 7 mph late night.
Maximum Temp: In the mid 70s.
Minimum Temp: 42 to 48.
Protection: Probably not needed.
TUESDAY AND TUESDAY NIGHT
Weather: Mainly cloudy with areas of light rain daytime into
evening. Partly cloudy overnight.
Wind: West to northwest 10 to 18 mph afternoon and decreasing
but continuing overnight.
Maximum Temp: 68 to 72.
Minimum Temp: In the 40s, but scattered mid and upper 30s in
wind sheltered locations.
Protection: .Probably not needed.
WEDNESDAY THROUGH THURSDAY NIGHT
Weather: Partly cloudy and breezy at times.
Maximum Temp: 68 to 73.
Minimum Temp: 40 to 48, but some colder spots in mid and upper
30s where clouds and wind are absent.
Protection: Probably not needed.
Copyright 2008 Clearwest, Inc. No part of this publication may be
reproduced for commercial purposes.
Bob Robinson, Clearwest Agricultural Weather Service
Thanks also to co-sponsors:
Yakima Valley
Growers-Shippers Association
Northcentral Washington Fieldmans Association
Wenatchee Valley Traffic
Association
Washington State Hort
Association
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