545
FNUS76 KPQR 251617
FWSPQR

Spot Forecast for William L Finley NWR RX...USFWS
National Weather Service Portland OR
917 AM PDT Wed Sep 25 2024

Forecast is based on ignition time of 0900 PDT on September 25.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Onshore flow today, as a weakening front pushes onto the coast.
This front will move across the fire area later this afternoon.
Will have spotty showers today, but not much in way of rainfall.
Dry with temperatures more typical of late September for Thursday
through Sunday.


.TODAY...
Sky/weather.........Increasing clouds. Shower at times this afternoon.
CWR.................less than 10 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........65-75 percent.
Wind (20 ft)........
 Slope/valley.......South to southwest 5-9 mph, becoming west
                      later this afternoon.
 Ridgetop...........South to southwest 6-11 mph, with gusts to 20 mph.
                      Wind turning west after 1500.
Mixing height.......4000 ft AGL.
Transport winds.....Southwest 10-15 mph, becoming west 10-15 mph
                      later this afternoon.
Haines Index........2 (very low).
Haines Index (Mid)..4 (low).

  TIME (PDT)      9AM  10A  11A  12P  1PM  2PM  3PM  4PM  5PM
  Cloudcover(%).. 65   70   80  100  100  100  100   95   95
  Temp............ 61   64   67   69   69   68   66   65   64
  RH.............. 85   76   73   72   80   81   84   87   90
  20 FT wind dir..  S    S    S    S   SW   SW    W    W    W
  20 FT wind spd..  7    8    9    9    9    9    8    9    8
  20 FT wind gust.           12   14   15   15    15  15   15


.TONIGHT...
Sky/weather.........Showers early, then decreasing chance of showers.
                    Mostly cloudy. Patchy fog late.
CWR.................Less than 10 percent.
LAL.................1.
Min temperature.....46-49.
Max humidity........100 percent.
Wind (20 ft)........
 Slope/valley.......West 5-8 mph early in the evening, then easing.
                      Wind variable 0-3 mph after midnight.
 Ridgetop...........West 6-9 mph, with gusts to 20 mph early, then
                      wind easing to 3-5 mph.
Mixing height.......500 ft AGL.
Transport winds.....West 10-15 mph early, easing to 10 mph.
Haines Index........3 (very low).
Haines Index (Mid)..3 (very low).


.THURSDAY...
Sky/weather.........Morning clouds, becoming mostly sunny.
                    Patchy fog early in the morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....70-73.
Min humidity........45-50 percent.
Wind (20 ft)........
 Slope/valley.......Variable 0-2 mph, becoming north to northwest
                       3-7 mph by early afternoon.
 Ridgetop...........Northwest 2-4 mph in morning, then becoming
                       north to northwest 4-7 mph
Mixing height.......4500 ft AGL.
Transport winds.....Northwest 10 mph.
Haines Index........4 (low).
Haines Index (Mid)..4 (low).


$$
Forecaster...Rockey
Requested by...Jeremiah Maghan
Type of request...PRESCRIBED
.TAG 2422897.2/PQR
.DELDT 09/25/24
.FormatterVersion 2.0.0
.EMAIL silas_baffa@fws.gov,jeremiah_maghan@fws.gov