FNUS74 KEPZ 071843
FWSEPZ

FIRE WEATHER PLANNING FORECAST FOR DIAMOND...GNF
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
1243 PM MDT FRI AUG 7 2009

FORECAST IS BASED ON INCIDENT TIME OF 1151 MDT ON AUGUST 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...THUNDERSTORMS IMPLY VARIABLE AND GUSTY WINDS...

...GUSTY AND ERRATIC WINDS ALSO POSSIBLE WITH VIRGA SHAFTS AND NEAR
SIGNIFICANT CLOUD BUILD-UPS...

.DISCUSSION...
STRONG LOW PRESSURE TROUGH OVER THE INTER-MOUNTAIN WEST...WILL SEND
UNSEASONABLY DRY SOUTHWEST FLOW OVER BURN SITE THIS WEEKEND.  THIS
WILL LIMIT THUNDERSTORM COVERAGE TO ISOLATED AT BEST THIS AFTERNOON
AND AGAIN SATURDAY.  TEMPERATURES WILL WARM 2 TO 4 DEGREES...LOWERING
MIN RH 10 TO 15 PERCENT FROM THURSDAY READINGS. FREQUENT CLOUD TO GROUND
LIGHTNING...WIND GUSTS APPROACHING OR EVEN EXCEEDING 50 MPH AND LOCALLY
HEAVY RAINFALL WITH RAPID RUNOFF ARE THE MAIN THREATS WITH ANY STORMS.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT) EARLY IN THE AFTERNOON...BECOMING
                    PARTLY CLOUDY (30-40 PERCENT) MID IN THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........SOUTHWEST 2 TO 5 MPH EARLY IN THE AFTERNOON...INCREASING
                    TO 4 TO 9 MPH MID AFTERNOON WITH OCCASIONAL GUSTS
                    TO 14 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) EARLY...THEN
                    CLEAR (0-10 PERCENT) BEFORE MIDNIGHT.
CWR.................0 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........WEST 3 TO 7 MPH EARLY...SHIFTING NORTHWEST 3 TO 7 MPH
                    AFTER MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT) IN THE AFTERNOON
                    WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
                    AFTERNOON.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE IN THE MORNING...BECOMING SOUTHWEST
                    5 TO 10 MPH IN THE AFTERNOON.

$$
FORECASTER...TRIPOLI
REQUESTED BY...SAGUARO FIRE USE MOD
REASON FOR REQUEST...WFU
.TAG 20090807.DIAMO.01/EPZ