FNUS75 KRIW 042046
FWSRIW

SPOT FORECAST FOR POINT FIRE...NPS YNP
NATIONAL WEATHER SERVICE RIVERTON WY
246 PM MDT SUN SEP 4 2011

FORECAST IS BASED ON REQUEST TIME OF 1418 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY CONDITIONS WILL CONTINUE THROUGH TONIGHT AND MONDAY. WINDS
WILL MAINLY BE LIGHT AND TERRAIN DRIVEN.  SOME MOISTURE WILL BEGIN
TO SURGE NORTHWARD INTO SOUTHERN AND CENTRAL WYOMING TUESDAY AND WEDNESDAY
BUT ANY SHOWERS SHOULD REMAIN SOUTH OF THE FIRE AREA. HOWEVER...CLOUDS WILL
INCREASE BY MONDAY AFTERNOON.

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

FORECASTER...LIPSON

.REST OF TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........19 PERCENT.
20 FOOT WINDS.......FLUCTUATING BETWEEN SOUTH AND WEST AT 3 TO 5 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 TO 16 MPH.
SMOKE DISPERSAL.....GOOD (97700 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....29.
MAX HUMIDITY........79 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 1-3 MPH FROM THE EAST.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000-6000 FT AGL DECREASING TO 1800-2300 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH 9 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (68700 KNOT-FT) DECREASING TO POOR (16600
                    KNOT-FT) AFTER MIDNIGHT.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE EVENING. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND
70. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...EDWIN FOLTS
REASON FOR REQUEST...WILDFIRE
.TAG 20110904.POINT.01/RIW