FNUS75 KRIW 301648
FWSRIW

SPOT FORECAST FOR H2S OIL WELL...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
1048 AM MDT THU SEP 30 2010

FORECAST IS BASED ON INCIDENT TIME OF 1029 MDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE REGION WILL KEEP THE SKY CLEAR AND WINDS
LIGHT TODAY INTO TONIGHT. SURFACE WINDS SHOULD TURN TO THE
NORTHWEST AFTER SUNSET THIS EVENING AND INCREASE TO 10 MPH.
OTHERWISE...SMOKE DISPERSAL TO REMAIN GENERALLY POOR.

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

FORECASTER...LYNOTT

.TODAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........14-18 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST 4 TO 8 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH.
SMOKE DISPERSAL.....POOR (16300-21200 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........74-77 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHEAST 4 TO 8 MPH SHIFTING TO THE NORTHWEST
                    BY MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2300-3300 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 10 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 6 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR (8100-17100 KNOT-FT).

.FRIDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTH LATE IN
                    THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE NORTH LATE IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....POOR (11700-21900 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...CLEAR. LOWS IN THE LOWER 40S. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...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 MID
80S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 40S. HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...LYNOTT
REQUESTED BY...ZACKARY IRONS
REASON FOR REQUEST...HAZMAT
.TAG 20100930.H2SOI.01/RIW