FNUS75 KRIW 041730
FWSRIW

SPOT FORECAST FOR HAY RANCH...BLM RAD
NATIONAL WEATHER SERVICE RIVERTON WY
1130 AM MDT WED AUG 4 2010

FORECAST IS BASED ON REQUEST TIME OF 1106 MDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SHOWERS AND THUNDERSTORMS HAVE BEGUN TO DEVELOP ACROSS SOUTHERN
WYOMING THIS MORNING...WITH ACTIVITY ANTICIPATED OVER THE FIRE TODAY.
LIGHT SHOWERS HAVE BEEN DEVELOPING TO THE WEST OF THE FIRE
SITE...WITH ONE SHOWER AROUND 15 T0 20 MILES WEST OF THE FIRE AND
MOVING GENERALLY EAST. SHOWERS TODAY HAVE CONTAINED FREQUENT
LIGHTNING...AND MAY CONTAIN PERIODS OF HEAVY RAINFALL AND GUSTY
WIND TO 40 MPH. SHOWER ACTIVITY WILL WEAKEN OVERNIGHT...WITH
ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS EXPECTED THURSDAY
AFTERNOON. SIMILAR HAZARDS WILL BE EXPECTED WITH THUNDERSTORMS ON
THURSDAY. TEMPERATURES AND HUMIDITY WILL BE SIMILAR TO THOSE
EXPERIENCED TUESDAY...WITH JUST SLIGHTLY COOLER AND SLIGHTLY MORE
HUMID VALUES ANTICIPATED FOR THURSDAY. OUTSIDE OF THUNDERSTORM
ENVIRONMENTS...WESTERLY WIND WILL DEVELOP DURING THE AFTERNOON
HOURS AND ARE EXPECTED TO INCREASE TO AROUND 7 TO 15 MPH.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS THROUGH 1130...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS THROUGH THE
                    AFTERNOON.
MAX TEMPERATURE.....79-83.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........SOUTH SOUTHEAST AT 5-9 MPH BECOMING SOUTHWEST AT
                    10 TO 15 MPH AFTER 1400. GUSTY AND ERRATIC
                    WINDS TO 40 MPH EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH...THEN SHIFTING TO THE
                    WEST SOUTHWEST AT 10 TO 15 MPH AFTER 1400.
LAL.................2 UNTIL 1130...THEN 4.
CWR.................INCREASING TO 53 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6000-6500 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (22800-57000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
                    MOSTLY CLEAR (20-30 PERCENT) AFTER 2300. SCATTERED
                    SHOWERS AND THUNDERSTORMS THROUGH 2300...THEN
                    ISOLATED SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....49-53.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........SOUTHWEST 7 TO 10 MPH BECOMING EAST BY 0100. GUSTS
                    UP TO 20 MPH. GUSTY AND ERRATIC WINDS TO 30 MPH
                    EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE EAST
                    BY 0100.
LAL.................4 UNTIL 2300...THEN 2.
CWR.................13 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 900-1400 FT AGL BY 0200.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE EAST BY
                    0100.
SMOKE DISPERSAL.....POOR (11100-37700 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 80. SOUTHWEST
WINDS AROUND 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 80.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...LEROY EVANS
REASON FOR REQUEST...WILDFIRE
.TAG 20100804.HAYRA.01/RIW