000 FNUS75 KBOU 290129 RRA FWSBOU SPOT FORECAST FOR ALEXANDER MTN WILDFIRE ISSUED BY NATIONAL WEATHER SERVICE DENVER CO 720 PM MDT TUE JUN 28 2005 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS. SYNOPSIS...THUNDERSTORMS MOVING OFF THE CONTINENTAL DIVIDE WILL MOVE NORTHEAST OVER THE FRONT RANGE FOOTHILLS THE REST OF THIS EVENING. VERY STRONG DOWNBURST WINDS AND FREQUENT CLOUD-TO-GROUND LIGHTNING WILL BE THE MAIN THREAT WITH THESE STORMS. THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF THE AREA BY AROUND MIDNIGHT...ALTHOUGH THE STRONGEST WIND GUSTS ARE LIKELY TO OCCUR PRIOR TO 2100 THIS EVENING. SKIES WILL GRADUALLY CLEAR AND WIND SPEEDS WILL DIMINISH AS STORMS END AFTER MIDNIGHT. $$ .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY (50-60%). SCATTERED THUNDERSTORMS UNTIL 2300. MIN TEMPERATURE.....48-54. MAX HUMIDITY........45-51%. 20-FOOT WINDS.......SOUTHWEST WINDS 10-15 MPH. THUNDERSTORM WIND GUSTS POTENTIALLY TO AROUND 55 MPH UNTIL 2100. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....EXCELLENT UNTIL 2030...THEN POOR AFTER 2300. MIXING HEIGHT.......15000 FT AGL UNTIL 2100. 800-1300 FT AGL AFTER 2400. TRANSPORT WINDS.....WEST 16-20 MPH UNTIL 2300...THEN AROUND 8 MPH. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500. MAX TEMPERATURE.....82-87. MIN HUMIDITY........20-25%. 20-FOOT WINDS.......WEST WINDS 6-10 MPH...BECOMING NORTHWEST 10-15 MPH AFTER 1300. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR UNTIL 0800...THEN GOOD UNTIL 0930...THEN EXCELLENT. MIXING HEIGHT.......1200-2200 FT AGL UNTIL 0800. 13600-14600 FT AGL AFTER 1000. TRANSPORT WINDS.....WEST AROUND 8 MPH UNTIL 0900...THEN 24-28 MPH. .WEDNESDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(40-50%). MIN TEMPERATURE.....54-58. MAX HUMIDITY........60-65%. 20-FOOT WINDS.......NORTH WINDS AROUND 6 MPH SHIFTING TO THE SOUTH AROUND 4 MPH AFTER MIDNIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2200. MIXING HEIGHT.......14400 FT AGL UNTIL 1900. 1400-2400 FT AGL AFTER 2100. TRANSPORT WINDS.....NORTHWEST AROUND 16 MPH UNTIL 2100...THEN NORTHEAST AROUND 12 MPH UNTIL 2400...THEN SOUTHEAST AROUND 8 MPH UNTIL 0300...THEN SOUTHWEST. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200...THEN MOSTLY CLOUDY. SCATTERED THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....80-84. MIN HUMIDITY........22%. 20-FOOT WINDS.......SOUTHEAST WINDS 4-8 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500. MIXING HEIGHT.......2400-3400 FT AGL UNTIL 0900. 13400-14400 FT AGL AFTER 1100. TRANSPORT WINDS.....WEST 8-16 MPH. .FRIDAY...PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH. .SUNDAY...SLIGHT CHANCE OF THUNDERSTORMS. MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH. $$ BAKER