Suppression Forecast
Issued by NWS Billings, MT

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000
FNUS75 KBYZ 241623
FWSBYZ

SPOT FORECAST FOR CROW AGENCY C-WUI...BIA CROW FIRE & AVIATION
NATIONAL WEATHER SERVICE BILLINGS MT
1023 AM MDT FRI APR 24 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...ISOLATED TO SCATTERED THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT...
...COLD FRONT...WITH WIND SHIFT TONIGHT...

SOUTHEAST WINDS WILL PERSIST AT THE BURN SITE THROUGH THE DAY...WHICH
WILL HELP KEEP MINIMUM RH VALUES AROUND 30 PERCENT EVEN AS TEMPS
RISE INTO THE 70S. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS
ARE POSSIBLE THIS AFTERNOON THROUGH TONIGHT...AS DIURNAL HEATING
AND WEAK DISTURBANCES CROSS THE BURN SITE. A COLD FRONT WILL CROSS
THE BURN SITE AFTER MIDNIGHT...BRINGING MORE SHOWER AND
THUNDERSTORM POTENTIAL AND A WIND SHIFT TO THE NORTHWEST. SHOWERS
WILL LINGER INTO SATURDAY MORNING AT THE BURN SITE. TEMPERATURES
WILL BE COOLER SATURDAY...WITH HIGHER RH VALUES...AND LIGHT
NORTHWESTERLY WINDS. ANOTHER DISTURBANCE WILL BRING PRECIPITATION
TO THE BURN SITE SATURDAY NIGHT THROUGH SUNDAY NIGHT.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 15 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........SOUTHEAST 15 TO 25 MPH.
HAINES INDEX........3.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS
                    OVERNIGHT.
CWR.................26 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 15 MPH IN THE EVENING SHIFTING
                    TO THE NORTHWEST 10 TO 20 MPH OVERNIGHT. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE EVENING. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
 RIDGETOP...........LIGHT WINDS.
HAINES INDEX........3.

.SATURDAY...

SKY/WEATHER.........CLOUDY WITH SCATTERED RAIN SHOWERS IN THE
                    MORNING...THEN PARTLY SUNNY IN THE AFTERNOON.
CWR.................19 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........2.

$$
FORECASTER...GILSTAD
REQUESTED BY...RANDY PRETTY ON TOP
TYPE OF REQUEST...PRESCRIBED
.TAG 20150424.CROWA.01/BYZ



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