Suppression Forecast
Issued by NWS Boise, ID

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6
000
FNUS75 KBOI 231505 AAA
FWSBOI

Spot Forecast for Mores South SWIFT Rx...USFS...Updated
National Weather Service Boise ID
905 AM MDT Thu May 23 2019

Forecast is based on ignition time of 1100 MDT on May 23.
If conditions become unrepresentative...contact the National Weather
Service.

...SHOWERY THROUGH FRIDAY...

.DISCUSSION...
Update...expect a wind shift from north to southeast around 1500 MDT
as showers approach from the east.

Upper level low to our south will move NNE through southeast Idaho
late today, close enough to generate showers near the fire area
this afternoon and evening before the low moves away into Wyoming.
Drier late tonight through Friday morning, then another low from
Washington will increase showers again Friday afternoon.  Slight
chance of thunderstorms also on both afternoons.

.REST OF TODAY...

Sky/weather.........Mostly cloudy. A chance of showers and a slight
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 40 percent.
Max temperature.....58 to 63.
Min humidity........34 to 39 percent.
CWR /0.10 inch/.....20 percent.
LAL.................1 in the morning, increasing to 2 in the
                    afternoon. Wind - eye level....North around 6
mph until 1500 MDT then shifting to                    southeast 5-
10 mph. Mixing height.......11000 ft AGL. Transport winds.....North
around 8 mph. Haines Index........3 very low. Ventilation
index...900 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy. A 30 percent chance of rain
                    showers in the evening.
Min temperature.....36 to 41.
Max humidity........93 to 98 percent.
CWR /0.10 inch/.....10 percent.
LAL.................1.
Wind - eye level....South 3 to 6 mph.
Mixing height.......1000 ft AGL.
Transport winds.....Southwest around 5 mph.
Haines Index........3 very low.
Ventilation index...50 poor.

.FRIDAY...

Sky/weather.........Partly sunny in the morning.  Rain showers likely
                    and a slight chance of thunderstorms in the
                    afternoon. Chance of precipitation 70 percent.
Max temperature.....57 to 62.
Min humidity........47 to 52 percent.
CWR /0.10 inch/.....30 percent.
LAL.................1 in the morning, increasing to 2 in the
                    afternoon.
Wind - eye level....Less than 3 mph in the morning, becoming west
                    around 4 mph in the afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....West around 12 mph.
Haines Index........3 very low.
Ventilation index...1020 excellent.

$$
Forecaster...Colin
Requested by...Ed Hunt
Type of request...PRESCRIBED
.TAG 1909775.1/BOI


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.