FNUS75 KGJT 160157
FWSGJT

SPOT FORECAST FOR POISON SPIDER...MIFC
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
757 PM MDT WED JUL 15 2009

FORECAST IS BASED ON IGNITION TIME OF 2028 MDT ON JULY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL SHIFT WESTWARD ON THURSDAY AND BUILD OVER THE
GREAT BASIN. THIS WILL RESULT IN A DRY NORTHWEST-NORTH FLOW ALOFT
OVER SOUTHEAST UTAH. LESS CLOUD COVER...WARMER TEMPERATURES AND VERY
LOW RELATIVE HUMIDITY CAN BE EXPECTED. THE DRY AND HOT CONDITIONS
WILL PERSIST INTO THE WEEKEND.

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10%).
MIN TEMPERATURE.....60-65 F.
MAX HUMIDITY........30-36%.
20-FOOT WINDS.......DOWN CANYON 0-5 MPH.
CLEARING INDEX......DROPPING TO 100 OR LESS BY 2400.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......LOWERING TO LESS THAN 1000 FT AGL BY 2400.
TRANSPORT WINDS.....NORTH 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....96-101 F.
MIN HUMIDITY........12-16%.
20-FOOT WINDS.......DOWN CANYON 0-5 MPH UNTIL 1000...THEN UP
                    CANYON 2-6 MPH.
CLEARING INDEX......BECOMING 1000+ BY 1200.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 16000 FT AGL BY 1200.
TRANSPORT WINDS.....NORTH 10 MPH.

.THURSDAY NIGHT...

SKY/WEATHER.........CLEAR (0-10%).
MIN TEMPERATURE.....61-66 F.
MAX HUMIDITY........28-34%.
20-FOOT WINDS.......UP CANYON 2-6 MPH UNTIL 2000...THEN DOWN CANYON
                    0-5 MPH.
CLEARING INDEX......LOWERING TO LESS THAN 100 BY 2200.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......LOWERING TO LESS THAN 1000 FT AGL BY 2200.
TRANSPORT WINDS.....NORTHEAST 10 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....98-103 F.
MIN HUMIDITY........10-15%.
20-FOOT WINDS.......DOWN CANYON 0-5 MPH UNTIL 1000...THEN UP CANYON
                    2-5 MPH.
SMOKE DISPERSAL.....BECOMING VERY GOOD BY 1200.
CLEARING INDEX......INCREASING TO 1000+ BY 1200.
HAINES INDEX........5 MODERATE.
LAL.................1.
MIXING HEIGHT.......RISING TO 13500 FT AGL BY 1200.
TRANSPORT WINDS.....NORTHEAST 10 MPH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
MOSTLY CLEAR. LOWS 66-76. HIGHS 98-104. TERRAIN DRIVEN WINDS 5 MPH.
.SUNDAY...
PARTLY CLOUDY. LOWS 67-77. HIGHS 97-103. TERRAIN DRIVEN WINDS 5 MPH.
.MONDAY...
PARTLY CLOUDY. LOWS 66-76. HIGHS 94-104. WEST WINDS 5-10 MPH.

$$
FORECASTER...JEFF COLTON
REQUESTED BY...KAREN FEARY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090715.POISO.01/GJT