FNUS75 KGJT 022136
FWSGJT

SPOT FORECAST FOR LACKEY BASIN RX...UT-MLF
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
336 PM MDT SUN JUN 2 2013

FORECAST IS BASED ON IGNITION TIME OF 0930 MDT ON JUNE 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER DISTURBANCE IN SOUTHWEST FLOW WILL CROSS
THE FOUR CORNERS EARLY THIS EVENING. ONCE THIS PASSES AND WITH THE
LOSS OF DAYTIME HEATING...EXPECT CLOUDS AND WIND TO DECREASE.
ANOTHER UPPER DISTURBANCE WILL CROSS THE FOUR CORNERS ON MONDAY
WHILE A COLD FRONT MOVES INTO NORTHEAST UTAH LATE IN THE DAY. THE
FRONT SHOULD STALL MONDAY NIGHT BEFORE REACHING THE BURN SITE.
THIS WILL RESULT IN STRONGER WINDS AND AFTERNOON CONVECTION MONDAY.
RAINFALL WILL BE LIMITED WITH SOME STORMS DRY. GUSTY OUTFLOW WINDS
AND LIGHTNING WILL BE THE MAIN STORM THREATS.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 2100...THEN MOSTLY
                    CLEAR (10-20%).
MIN TEMPERATURE.....48-52 F.
MAX HUMIDITY........23-28%.
20-FOOT WINDS.......SOUTHWEST 4-7 MPH WITH OCCASIONAL GUSTS TO 12 MPH
                    UNTIL 1900...THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    5 MPH.
CLEARING INDEX......DECREASING TO BELOW 100 BY 2100.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......8000 FT AGL DECREASING TO 400 FT AGL BY 2100.
TRANSPORT WINDS.....SOUTHWEST 10 MPH BECOMING DOWNSLOPE/DOWNVALLEY
                    5 MPH AFTER 2100.


.MONDAY...

SKY/WEATHER.........MOSTLY CLEAR (10-20%) UNTIL 1200...THEN BECOMING
                    PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
                    THUNDERSTORMS AFTER 1200...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS AFTER 1600. SOME STORMS
                    DRY.
MAX TEMPERATURE.....73-76 F.
MIN HUMIDITY........14-18%.
20-FOOT WINDS.......SOUTHWEST 3-5 MPH AT 1100 INCREASING TO 5-9 MPH
                    WITH SOME GUSTS TO 18 MPH AFTER 1300. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
CLEARING INDEX......1000+ AFTER 1300.
HAINES INDEX........5 MODERATE.
LAL.................1 UNTIL 1200...THEN 2 UNTIL 1600...THEN 4.
MIXING HEIGHT.......8500 FT AGL AT 1200 INCREASING TO 15000 FT AGL
                    BY 1400.
TRANSPORT WINDS.....SOUTHWEST 13 MPH AFTER 1200 BECOMING WEST 20 MPH
                    AFTER 1600.
.MONDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). SCATTERED SHOWERS AND
                    THUNDERSTORMS UNTIL 2100...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS. SOME STORMS DRY.
MIN TEMPERATURE.....47-50 F.
MAX HUMIDITY........38-43%.
20-FOOT WINDS.......WEST 4-7 MPH WITH SOME GUSTS TO 13 MPH UNTIL 1900
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
CLEARING INDEX......DECREASING BELOW 100 BY 2200.
HAINES INDEX........4 LOW.
LAL.................4 UNTIL 2100...THEN 2.
MIXING HEIGHT.......10000 FT AGL DECREASING TO 500 FT AGL BY 2200.
TRANSPORT WINDS.....WEST 13 MPH BECOMING DOWNSLOPE 5 MPH AFTER 2200.


$$
FORECASTER...JIM DANIELS
REQUESTED BY...ISAACSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20130602.LACKE.02/GJT