FNUS75 KBYZ 011453
FWSBYZ

SPOT FORECAST FOR ASHLAND RANGER STATION RX...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
853 AM MDT WED MAY 1 2013

FORECAST IS BASED ON IGNITION TIME OF 0930 MDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
EXPECT DRY AND COOL CONDITIONS AT THE BURN SITE TODAY...WITH A
PERSISTENT NORTH WIND OF 15 MPH OR LESS ALONG THE TONGUE RIVER
VALLEY. AIRMASS WILL BE STABLE WITH LIGHT WINDS AND A GOOD
HUMIDITY RECOVERY TONIGHT. WINDS WILL SHIFT TO A LIGHT SOUTH
TONIGHT...AND THIS WILL LEAD TO WARMER CONDITIONS ON THURSDAY WITH
AFTERNOON HUMIDITY FALLING TO NEAR 20 PERCENT.

FOR HYSPLIT DATA TYPE "HYSPLIT TO (YOUR EMAIL ADDRESS)" IN THE
REMARKS SECTION OF THE SPOT REQUEST AND IT WILL BE AUTOMATICALLY
SENT TO YOUR EMAIL ADDRESS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....47-51.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH 6-12 MPH.
 RIDGETOP...........NORTH 7-15 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........NORTH 10 MPH.
HAINES INDEX........3.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....26-30.
MAX HUMIDITY........75-85 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT AND VARIABLE IN THE EVENING...BECOMING
                    SOUTH 3-7 MPH OVERNIGHT.
 RIDGETOP...........LIGHT AND VARIABLE IN THE EVENING...BECOMING
                    SOUTHWEST 5-10 MPH OVERNIGHT.
MIXING HEIGHT.......FALLING TO 500 FT AGL.
MIXING WINDS........VARIABLE UNDER 10 MPH.
HAINES INDEX........4.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH 5-10 MPH IN THE MORNING BECOMING WEST
                    TO NORTHWEST BY NOON...WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.
 RIDGETOP...........WEST TO NORTHWEST 5-15 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........WEST TO NORTHWEST 10 MPH.
HAINES INDEX........4.

$$
FORECASTER...LESTER
REQUESTED BY...TED FRAZER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130501.ASHLA.02/BYZ