FNUS75 KGJT 231746
FWSGJT

SPOT FORECAST FOR BLIND CANYON...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1146 AM MDT THU JUL 23 2009

FORECAST IS BASED ON REQUEST TIME OF 1104 MDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL INHIBIT THUNDERSTORM ACTIVITY
OVER THE FIRE SITE TODAY AND INTO FRIDAY. HOWEVER DUE TO AN
INCREASE IN MID AND HIGH LEVEL MOISTURE...SOME VIRGA WILL DEVELOP
FRIDAY AFTERNOON WITH ISOLATED HIGH-BASED THUNDERSTORMS BECOMING
POSSIBLE. TEMPERATURES WILL REMAIN HOT AND RELATIVE HUMIDITY QUITE
LOW. WINDS WILL BE LIGHT AND DRIVEN BY TERRAIN AND DIURNAL
TEMPERATURE CYCLES...EXCEPT FOR ERRATIC OUTFLOW WINDS PRODUCED BY
VIRGA OR THUNDERSTORMS.

***FEEDBACK ON OUR SPOT WEATHER FORECASTS...AND/OR AN AFTERNOON
OBSERVATION WOULD BE GREATLY APPRECIATED. THIS WOULD HELP US
IMPROVE THE QUALITY OF THE FORECAST.***

.TODAY (UNTIL SUNSET)...

SKY/WEATHER.........MOSTLY SUNNY (10-30%) THEN BECOMING PARTLY
                    CLOUDY (30-40%) LATE IN THE AFTERNOON.
MAX TEMPERATURE.....87-92 F.
MIN HUMIDITY........8-13%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH WITH A FEW AFTERNOON
                    GUSTS TO 20 MPH.
CLEARING INDEX......1050.
HAINES INDEX........6 HIGH.
LAL.................1.

.TONIGHT (AFTER SUNSET)...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MIN TEMPERATURE.....52-57 F.
MAX HUMIDITY........30-35%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH.
CLEARING INDEX......50.
HAINES INDEX........6 HIGH.
LAL.................1.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30%) THEN BECOMING PARTLY
                    CLOUDY (50-60% WITH SOME VIRGA). ISOLATED
                    SHOWERS AND THUNDERSTORMS DEVELOPING IN THE
                    AFTERNOON.
MAX TEMPERATURE.....85-90 F.
MIN HUMIDITY........10-15%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH UNTIL 0900...THEN
                    BECOMING UPSLOPE/UPVALLEY AND INCREASING TO
                    5-10 MPH AFTER 1300. BECOMING WEST 8-12 MPH AFTER
                    1600 WITH GUSTS TO 20 MPH. GUSTY AND ERRATIC
                    OUTFLOW WINDS EXPECTED FROM VIRGA AND
                    THUNDERSTORMS.
CLEARING INDEX......1050.
HAINES INDEX........5 MODERATE.
LAL.................2.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...IC  MIKE
TYPE OF REQUEST...WILDFIRE
.TAG 20090723.BLIND.01/GJT