166 
FNUS75 KBOI 260004
FWSBOI

Spot Forecast for Copeland...Payette Dispatch
National Weather Service Boise ID
604 PM MDT Tue Aug 25 2020

Forecast is based on forecast start time of 1800 MDT on August 25. 
If conditions become unrepresentative...contact the National Weather
Service.

...SHOWERS AND THUNDERSTORMS LATER THIS EVENING...

.DISCUSSION...Scattered showers and thunderstorms over the
burn site between sunset and midnight tonight.  Gusty outflow
winds to 35 mph and locally heavy rain expected.  Partly cloudy
overnight.  Mostly sunny Wednesday and Thursday, except a slight
chance of showers and thunderstorms late afternoons and evenings.

.TONIGHT...

Sky/weather.........Increasing clouds. A 40 percent chance of 
                    showers and thunderstorms in the evening. 
                    Thunderstorms will produce gusty winds and
                    locally heavy rain. 
Min temperature.....53 to 58. 
Max humidity........63 to 68 percent. 
CWR /0.10 inch/.....10 percent. 
LAL.................4 in the evening, decreasing to 1 after 
                    midnight. 
Wind - eye level....Southwest 3 to 9 mph with gusts to 12 mph in 
                    the evening, becoming east 3 to 6 mph after 
                    midnight. 
Mixing height.......400 ft AGL. 
Transport winds.....East around 5 mph. 
Haines Index........3 very low. 
Ventilation index...20 poor. 

.WEDNESDAY...

Sky/weather.........Mostly sunny. A 20 percent chance of showers  
                    and thunderstorms in the afternoon.  
                    Thunderstorms may produce gusty winds in the 
                    afternoon. 
Max temperature.....67 to 72. 
Min humidity........39 to 44 percent. 
CWR /0.10 inch/.....10 percent. 
LAL.................1 in the morning, increasing to 2 in the 
                    afternoon. 
Wind - eye level....Southwest 5 to 8 mph. 
Mixing height.......10000 ft AGL. 
Transport winds.....Southwest around 15 mph. 
Haines Index........3 very low. 
Ventilation index...1500 excellent. 

.WEDNESDAY NIGHT...

Sky/weather.........A 20 percent chance of evening showers and
                    thunderstorms, then mostly clear. 
Min temperature.....51 to 56. 
Max humidity........58 to 63 percent. 
CWR /0.10 inch/.....0 percent. 
LAL.................1. 
Wind - eye level....Northeast 4 to 7 mph. 
Mixing height.......400 ft AGL. 
Transport winds.....Northeast around 5 mph. 
Haines Index........3 very low. 
Ventilation index...20 poor. 

.THURSDAY...

Sky/weather.........Mostly sunny.  Cloud buildups and a slight 
                    chance of a shower or thunderstorm to the east
                    in the afternoon.  Possible outflow winds into
                    the burn site. 
Max temperature.....65 to 70. 
Min humidity........30 to 35 percent. 
CWR /0.10 inch/.....0 percent. 
LAL.................1. 
Wind - eye level....Northeast around 3 mph in the morning, shifting 
                    to west around 7 mph in the afternoon. 
Mixing height.......9500 ft AGL. 
Transport winds.....West around 15 mph. 
Haines Index........3 very low. 
Ventilation index...1425 excellent. 

$$
Forecaster...Colin
Requested by...Ann Nicholson
Type of request...WILDFIRE
.TAG 2011256.14/BOI