FNUS75 KTWC 201634
FWSTWC

SPOT FORECAST FOR GUTHRIE...CORONADO NATIONAL FOREST
NATIONAL WEATHER SERVICE TUCSON AZ
934 AM MST MON JUL 20 2009

FORECAST IS BASED ON INCIDENT TIME OF 0913 MST ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...PARTLY CLOUDY TO MOSTLY CLOUDY SKIES WILL CONTINUE
THE REST OF THIS MORNING AS THICK CIRRUS CLOUDS PREVAIL. CUMULUS
CLOUDS TO DEVELOP AROUND NOON AND THESE ARE EXPECTED TO BUILD
THROUGHOUT THIS AFTERNOON. WHILE SHOWER AND THUNDERSTORM ACTIVITY
IS NOT EXPECTED TO BEGIN UNTIL BETWEEN 1500 AND 1800 MST...
OBSERVERS IN THE FIELD SHOULD MONITOR SKY CONDITIONS...AS THE
DEVELOPMENT OF TOWERING CUMULUS CLOUDS WILL BE AN INDICATION OF
POSSIBLE THUNDERSTORM DEVELOPMENT. ANY THUNDERSTORMS THAT OCCUR
WILL HAVE THE POTENTIAL TO PRODUCE STRONG...GUSTY AND ERRATIC
WINDS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY TO MOSTLY CLOUDY. SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....96 TO 101 DEGS.
MIN HUMIDITY........18 TO 23 PCT.
20-FOOT WINDS.......SOUTHWEST 3 TO 8 MPH BECOMING WEST TO
                    NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 20 MPH
                    IN THE AFTERNOON.
LAL.................3.
CHANCE OF RAIN......30 PERCENT.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    EVENING.
MIN TEMPERATURE.....67 TO 72 DEGS.
MAX HUMIDITY........53 TO 58 PCT.
20-FOOT WINDS.......WEST 6 TO 11 MPH SHIFTING TO THE SOUTH 3 TO 8
                    MPH AFTER MIDNIGHT.
LAL.................4.
CHANCE OF RAIN......30 PERCENT.
HAINES INDEX........3 VERY LOW.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....95 TO 100 DEGS.
MIN HUMIDITY........23 TO 28 PCT.
20-FOOT WINDS.......WEST 5 TO 15 MPH.
LAL.................3.
CHANCE OF RAIN......20 PERCENT.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...FIRE WEATHER FORECASTER
REQUESTED BY...LES HARMON
TYPE OF REQUEST...WFU
.TAG 20090720.GUTHR.01/TWC