FNUS75 KRIW 142344
FWSRIW

SPOT FORECAST FOR CATHEDRAL GROUP...NPS GTP
NATIONAL WEATHER SERVICE RIVERTON WY
544 PM MDT WED JUL 14 2010

FORECAST IS BASED ON REQUEST TIME OF 1715 MDT ON JULY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER TONIGHT THROUGH THURSDAY NIGHT. TEMPERATURES
WILL BE WARM AND RELATIVE HUMIDITY WILL BE LOW. AN AFTERNOON SOUTH
BREEZE WILL DEVELOP THURSDAY AFTERNOON INTO THE EARLY EVENING.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...AR

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........70-73 PERCENT.
WIND (20 FT)........SOUTH AT 3 TO 5 MPH...BECOMING NORTH AT 3 TO 6 MPH
                    AFTER 10 PM.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL SUNSET...THEN
                    VARIABLE AT 5 MPH AFTER MIDNIGHT.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5000 FT AGL UNTIL SUNSET...DECREASING TO 300 FT
                    AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 10 MPH.
SMOKE DISPERSAL.....FAIR UNTIL SUNSET. THEN POOR.

.THURSDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....76-80.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........VARIABLE AROUND 4 MPH...THEN SOUTH AT 5 TO 9 MPH
                    AFTER 1 PM.
RIDGE TOP WINDS.....VARIABLE AROUND 8 MPH...THEN SOUTH TO SOUTHWEST
                    AT 12 TO 17 MPH AFTER 1 PM.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR...BECOMING FAIR BY 11 AM...BECOMING GOOD BY 1 PM.

.THURSDAY NIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........SOUTH WIND AT 4 TO 8 MPH UNTIL SUNSET...THEN
                    BECOMING NORTH AT 3 TO 6 MPH BY MIDNIGHT.
RIDGE TOP WINDS.....WEST TO SOUTHWEST 12 TO 17 MPH UNTIL SUNSET...
                    THEN VARIABLE AT 5 MPH BY MIDNIGHT.
LAL.................1.
CWR.................ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AT 10 MPH
MIXING HEIGHT.......6000 FT AGL UNTIL SUNSET...THEN DECREASING TO 500 FT
                    AGL AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD UNTIL SUNSET...THEN POOR BY MIDNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
80S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
80S. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
80S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...MIKE BENTLEY
REASON FOR REQUEST...WILDFIRE
.TAG 20100714.CATHE.02/RIW