FNUS75 KMSO 101655
FWSMSO

SPOT FORECAST FOR PETTTY ROCK 14
NATIONAL WEATHER SERVICE MISSOULA MT
1055 AM MDT TUE APR 10 2012

FORECAST IS BASED ON IGNITION TIME OF 1230 MDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A SOUTHERLY FLOW ALOFT WILL BE DEVELOPING OVER
WESTERN MONTANA TODAY AS THE RIDGE AXIS SHIFTS TO THE EAST. A
SURFACE BASED INVERSION WILL BE PRESENT THIS MORNING AND WILL BE
SLOW TO MIX DUE TO CONSIDERABLE HIGH CLOUDS...WHICH WILL HOLD
TEMPS DOWN AND HUMIDITIES UP THROUGH MUCH OF THE DAY. THE SOUTH
EXPOSURE (TOP OF THE RIDGE) IS GOING TO HELP WITH BURNING
CONDITIONS THIS AFTERNOON ON THIS SITE.

A CHANCE OF THUNDERSTORMS WITH GUSTY WINDS WEDNESDAY AFTERNOON.

.IGNITION TIME AT 1230 MDT...

SKY/WEATHER.........CONSIDERABLE HIGH CLOUDS.
CWR.................0 PERCENT.
TEMPERATURE.........57-59.
HUMIDITY............34-38 PERCENT.
WIND (20 FT)........SOUTH WINDS 2-4 MPH.
MIXING HEIGHT.......1000 FT AGL.
MIXING WINDS........SOUTH 10 MPH.

.TODAY...

SKY/WEATHER.........CONSIDERABLE HIGH CLOUDS...FILTERED SUNSHINE.
CWR.................0 PERCENT.
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........SOUTH 2-5 MPH BECOMING SOUTH 5-8 MPH WITH
                    GUSTS TO 12 MPH AFTER 1500 MDT.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........SOUTHEAST 15 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....39-42.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........BECOMING VARIABLE 2-4 MPH AFTER DARK.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........EAST 5 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........VARIABLE 2-5 MPH BECOMING SOUTHEAST 5-10 MPH
                    IN THE AFTERNOON. GUSTY WINDS WITH AFTERNOON
                    SHOWERS AND THUNDERSTORMS.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTH 15 MPH.

$$
FORECASTER...MSJ
REQUESTED BY...DEWEY ARNOLD
TYPE OF REQUEST...PRESCRIBED
.TAG 20120410.PETTT.01/MSO