FNUS75 KRIW 211801
FWSRIW

SPOT FORECAST FOR GOAT ROCK...JOHNSON COUNTY
NATIONAL WEATHER SERVICE RIVERTON WY
1201 PM MDT SAT JUL 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1108 MDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DAYTIME HEATING WILL INITIATE SHOWERS AND THUNDERSTORMS EARLY THIS
AFTERNOON AS A WEAK WEATHER SYSTEM TRACKS ACROSS NORTH-CENTRAL
WYOMING. THESE SHOWERS AND STORMS WILL DIMINISH BETWEEN 2100L AND
2400L. A PLUME OF MOISTURE WILL PERSIST OVER THE FIRE SITE ON
SUNDAY. THIS PLUME WILL HELP TO RE-IGNITE SHOWERS AND STORMS BY
MID-AFTERNOON SUNDAY. TEMPERATURES SUNDAY WILL BE SIMILAR TO TODAY.
THE STORY WILL BE MUCH THE SAME MONDAY BEFORE DRIER AIR WORKS INTO
THE REGION FOR TUESDAY.

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

FORECASTER...JONES

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) WITH WIDELY
                    SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
MAX TEMPERATURE.....90-93.
MIN HUMIDITY........19-22 PERCENT.
20 FOOT WINDS.......NORTH-NORTHWEST 6 TO 9 MPH. GUSTY AND
                    ERRATIC OUTFLOW WIND TO 30 MPH IN ASSOCIATION
                    WITH ANY SHOWERS AND STORMS.
RIDGE TOP WINDS.....EAST-NORTHEAST AROUND 10 MPH UNTIL 1400L...
                    THEN BECOMING WEST AROUND 10 MPH.
LAL.................2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) WITH WIDELY
                    SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
                    UNTIL 2400L. THEN GRADUALLY BECOMING PARTLY
                    CLOUDY (30-40 PERCENT) BY 0400L.
MIN TEMPERATURE.....63-66.
MAX HUMIDITY........50-53 PERCENT.
20 FOOT WINDS.......BECOMING DOWNSLOPE/DOWNVALLEY 4 TO 7 MPH
                    BETWEEN 2000 AND 2200. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................2 UNTIL 2400...THEN LAL 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS AFTER 1400L.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........19-22 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH UNTIL 0800L...
                    THEN BECOMING UPSLOPE/UPVALLEY 5 TO 9 MPH
                    BY 1000L. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 5 MPH UNTIL 1000L...THEN GRADUALLY
                    SHIFTING TO THE SOUTHEAST 10 TO 15 MPH BY 1500L.
LAL.................1 UNTIL 1400...THEN LAL 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY WITH ISOLATED EVENING SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. WINDS GENERALLY LESS THAN
10 MPH.

.MONDAY...PARTLY CLOUDY WITH WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. WINDS
GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.
WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER
80S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...JONES
REQUESTED BY...EDDIE HUTTON
REASON FOR REQUEST...WILDFIRE
.TAG 20120721.GOATR.01/RIW