Fruit
        Frost Forecast!

Wenatchee and
Okanogan Districts

Time Issued:   4 PM  PDT  


Date: Wednesday, May 24,2017 

Daily frost forecasts have ended for this season.  Long range outlooks will continue to be issued on Tuesdays and Fridays until the end of May and will be available by 4 p.m. by selecting the Evening Forecast on the Clearwest menu.   If a cold threat returns, a daily evening forecast will be issued. Growers may want to monitor this page for any updates, otherwise the next forecast will be issued Friday, May 26.


Discussion  for tonight: 
Cooler air that came in last night will be around tonight.  Dew points have been running in the upper 20s and low 30s.  The potential minimum temperatures for this air mass would be in the low 30s  but clouds and wind associated with a weak upper disturbance moving south from British Columbia will keep minimums running in the 40s to low 50s tonight.  There is some chance that enough clearing will occur so wind sheltered cold spots could drop to the upper 30s but protection is not expected to be needed tonight.

Discussion for Thursday night into early next week:  High pressure begins to push in from the west as the upper trough moves east.  Temperatures will warm enough by Thursday night so that even with less clouds and lighter winds, minimums should hold in the upper 30s or warmer Friday morning.  Temperatures then warm to well above normal over the weekend into next week with no frost threat.

OKANOGAN DISTRICT

TONIGHT
Weather:  Cloudy to partly cloudy.  Chance of showers developing in some areas by morning.

Minimum Temp:  In 40s and low 50s.
Protection:  Should not be needed,
Ceiling or Inversion:  Weak

3 pm Weather at Omak:  Cloudy. Temperature 66, dew point 31

Key Station Forecasts:

E. Oroville AWN

AF

Okanogan

AF

Ellisforde AWN

AF

Malott

AF

Ellisforde

AF
Brewster Flat

AF

Loomis Valley
AWN

AF
Brewster AWN

AF

S. Tonasket AWN

AF

Bridgeport

AF

Pogue Flat AWN

AF

Methow

AF

SAF= Slightly above freezing (33 or 34); AF= Above freezing (35 or higher)
 
WENATCHEE DISTRICT

TONIGHT
Weather:
  Partly cloudy to cloudy.
Minimum Temp:   In 40s and 50s with possible upper 30s in upper Cascade valley cold spots if there is sufficient clearing.
Protection: Should not be needed.
Ceiling or Inversion:  Weak to moderate.

  3 p.m. weather at Wenatchee: Partly cloudy. Temperature 64. Dew point 26.

Key Station Forecasts:

Wenatchee AWN

AF

E. Wenatchee

AF

Leavenworth

AF

Orondo

AF

Cashmere

AF

Brays Landing AWN

AF

Stemilt

AF

Boyd AWN

AF

Malaga

AF

Manson

AF
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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 --

THURSDAY AND THURSDAY NIGHT
Weather:  Scattered daytime showers becoming clear to partly cloudy overnight.

Minimum Temp:  In 40s and 50s with a few cold spots in upper 30s.
Protection: Should not be needed.

FRIDAY AND FRIDAY NIGHT
Weather:    Warmer with a possible afternoon shower mainly over Okanogan mountains.
Minimum Temp:   40s and 50s.
Protection:  Not needed.

SATURDAY AND SATURDAY NIGHT
Weather:  Mostly sunny, warm day and mostly clear overnight.
Minimum Temp:  In 50s.
Protection:  Not needed.

SUNDAY AND SUNDAY NIGHT
Weather: 
A warmer day with some afternoon clouds and clear overnight.

Minumum Temp:   50s to low 60s.
Protection:  Not needed

MONDAY AND MONDAY NIGHT
Weather: 
Continued quite warm.

Minumum Temp:   50s and 60s.
Protection:  Not needed


EXTENDED OUTLOOK  Warm weather expected to hold into next week but with slight cooling and an increasing chance of showers toward end of week. 

The next forecast will be issued by 4pm Friday, May 26.

Thanks also to co-sponsors:
Washington Tree Fruit Association
Northcentral Washington Fieldmans Association
Yakima Pomological Club

Jim Holcomb
Clearwest

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