FNUS75 KRIW 011147 FWSRIW SPOT FORECAST FOR ALPINE LAKE...BIA NATIONAL WEATHER SERVICE RIVERTON WY 547 AM MDT MON OCT 1 2012 FORECAST IS BASED ON REQUEST TIME OF 1839 MDT ON SEPTEMBER 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... .DISCUSSION...TODAY WILL BE DRY WITH LIGHT WIND FOR THE MOST PART. THE HIGH ELEVATION SITE WILL STAY BREEZY TODAY. TUESDAY LOOKS DRY WITH THE WIND INCREASING AS THE DAY GOES ON. THE WIND WILL PICK UP IN THE SOUTH FORK SAGE CREEK AREA AROUND NOON AND WILL BE GUSTY THROUGH TUESDAY NIGHT. LOW RELATIVE HUMIDITY AND WARM TEMPERATURES AND THE WIND COULD LEAD TO EXTREME FIRE BEHAVIOR TUESDAY. WEDNESDAY WILL BE THE BIG CHANGE DAY AS A STRONG COLD FRONT WILL PUSH INTO THE EAST SLOPES OF THE WIND RIVER MOUNTAINS DURING THE DAY. EXPECT A NORTHEAST TO EAST WIND AROUND 7300 FEET BY 1000 WEDNESDAY MORNING. AT 10500 FEET THE WIND WILL GO EAST TO NORTHEAST BETWEEN 1300 AND 1500. A COLD RAIN COULD START AS EARLY AS 1200 WEDNESDAY AND THEN CHANGE TO SNOW DURING THE AFTERNOON. AT THIS TIME SNOWFALL OF 1 TO 3 INCHES IS FORECAST BY THURSDAY MORNING. TIMING DETAILS COULD CHANGE AS WE GET CLOSER TO WEDNESDAY MORNING...SO PLEASE CONTACT US TODAY OR TUESDAY IF YOU WISH TO DISCUSS THE SITUATION. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...AR .TODAY... SKY/WEATHER.........SUNNY WITH A FEW AFTERNOON CLOUDS. MAX TEMPERATURE.....69-74 AT 7300 FEET. 51-56 AT 10500 FEET. MIN HUMIDITY........15-20 PERCENT AT 7300 FEET. 23-28 PERCENT AT 10500 FEET. 20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 5 TO 10 MPH AT 7300 FEET. RIDGE TOP WINDS.....SOUTH TO SOUTHEAST AT 7 TO 12 MPH UNTIL 1000. THEN NORTHWEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH AFTER 1000. NORTHWEST AT 15 TO 25 MPH WITH GUSTS TO 30 MPH AFTER 1200. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........3 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 5000-6000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....UPVALLEY AT 5 TO 10 MPH UNTIL 1200. NORTHWEST AT 15 TO 20 MPH AFTER 1200. SMOKE DISPERSAL.....POOR TO FAIR THIS MORNING. BECOMING GOOD BY 1400. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....38-43 AT 7300 FEET. 40-45 AT 10500 FEET. MAX HUMIDITY........50-55 PERCENT AT 7300 FEET. 40-45 PERCENT AT 10500 FEET. 20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5 TO 8 MPH AFTER SUNSET AT 7300 FEET. RIDGE TOP WINDS.....WEST TO NORTHWEST AT 15 TO 25 MPH WITH GUSTS AROUND 30 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......DECREASING TO 1500-2500 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....NORTHWEST AT 20 MPH UNTIL 2100...THEN WEST TO NORTHWEST AT 10 TO 15 MPH AFTER 2100. SMOKE DISPERSAL.....GOOD BECOMING FAIR BY 2100...BECOMING POOR AFTER MIDNIGHT. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....70-75 AT 7300 FEET. 53-58 AT 10500 FEET. MIN HUMIDITY........11-15 PERCENT AT 7300 FEET. 20-25 PERCENT AT 10500 FEET. 20 FOOT WINDS.......WEST AT 6 TO 11 MPH UNTIL 1100 AT 7300 FEET. WEST AT 15 TO 20 MPH WITH GUSTS AROUND 25 MPH AFTER 1100 AT 7300 FEET. RIDGE TOP WINDS.....WEST AT 20 TO 25 MPH WITH GUSTS TO 35 MPH UNTIL 1100. WEST AT 25 TO 35 MPH WITH GUSTS AROUND 50 MPH AFTER 1100. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 5500-6500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST AT 15 MPH IN THE MORNING. WEST AT 30 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....INCREASING TO GOOD BY 1100...THEN BECOMING EXCELLENT BY 1400. .FORECAST DAYS 3 THROUGH 5... .TUESDAY NIGHT...CLEAR. LOWS 42 TO 46. WEST WINDS 10 TO 15 MPH AROUND 7300 FEET. WEST WIND 20 TO 30 MPH WITH GUSTS AROUND 40 MPH. AT 10500 FEET. .WEDNESDAY...MUCH COLDER. TURNING CLOUDY. CHANCE OF RAIN...BECOMING SNOW IN THE AFTERNOON. HIGHS 45 TO 50 IN THE MORNING...FALLING TEMPERATURES LATE MORNING THROUGH THE AFTERNOON. WIND BECOMING NORTHEAST TO EAST AT 10 TO 20 MPH AT 7300 FEET AND THIS WIND MOVING UPVALLEY TO 10500 FEET BY EARLY AFTERNOON. .WEDNESDAY NIGHT...CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE 20S. EAST TO SOUTHEAST AT 7 TO 12 MPH AT 7300 FEET. NORTH TO NORTHEAST AT 10 TO 20 MPH AT 10500 FEET. .THURSDAY...BECOMING PARTLY CLOUDY. HIGHS IN THE 30S TO AROUND 40. WINDS GENERALLY LESS THAN 10 MPH AT 7300 FEET. WEST TO NORTHWEST AT 20 TO 25 MPH AT 10500 FEET. .FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW. LOWS IN THE 20S. HIGHS IN THE 30S. NORTH TO NORTHEAST WIND AROUND 10 MPH AT 7300 FEET. WEST TO NORTHWEST AT 20 TO 30 MPH AT 10500 FEET. $$ FORECASTER...ROSS REQUESTED BY...CAL ANACKER REASON FOR REQUEST...WILDFIRE .TAG 20120930.ALPIN.01/RIW