FNUS75 KGJT 011722
FWSGJT

SPOT FORECAST FOR RAY MESA II...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1122 AM MDT WED MAY 1 2013

FORECAST IS BASED ON IGNITION TIME OF 0830 MDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE NEW COLD AND DRY AIR MASS IS IN PLACE. THURSDAY
NORTHWEST FLOW CONTINUES. GRADIENT WINDS AND MIXING ARE DEEP
ENOUGH TO PRODUCE EXCELLENT MIXING THAT WILL COLLAPSE QUICKLY
BEFORE SUNSET. A BROAD WEAK RIDGE OF HIGH PRESSURE BUILDS OVER THE
REGION ON FRIDAY THAT LIMITS WINDS...MIXING HEIGHT...AND THUS
SMOKE DISPERSAL.

*NOTE: SMOKE DISPERSAL IS A COLORADO SPECIFIC PARAMETER...JUST AS
 CLEARING INDEX IS A UTAH SPECIFIC PARAMETER. ALSO WE DO HAVE THE
 FIRE WEATHER PLANNING FORECAST PRODUCT FOR PLANNING PURPOSES.
 THE SPOT PROGRAM IS MEANT FOR SUPPORTING OPERATIONAL PERIODS. IF
 YOU HAVE ANY QUESTIONS, CALL US AT 970-243-7007.

.THURSDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....53-58 F.
MIN HUMIDITY........9-14%.
20-FOOT WINDS.......NORTH WINDS 2-8 MPH.
CLEARING INDEX......900 INCREASING TO 1000+ IN THE LATE MORNING AND
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.

.THURSDAY NIGHT AFTER SUNSET...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....27-32 F.
MAX HUMIDITY........32-37%.
20-FOOT WINDS.......NORTHEAST WINDS 1-3 MPH.
CLEARING INDEX......LESS THAN 200.
HAINES INDEX........4 LOW.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....61-66 F.
MIN HUMIDITY........7-12%.
20-FOOT WINDS.......EAST WINDS 2-7 MPH SHIFTING TO WEST LATE IN
                    THE MORNING.
CLEARING INDEX......100 INCREASING TO 450.
HAINES INDEX........4 LOW.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...JOSH RELPH
TYPE OF REQUEST...PRESCRIBED
.TAG 20130502.RAYME.01/GJT