Expires:201209072230;;168613
FPUS55 KCYS 070946
ZFPCYS
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA
NATIONAL WEATHER SERVICE CHEYENNE WY
346 AM MDT FRI SEP 7 2012
.DISCUSSION...NO FIRE WEATHER CONCERNS TODAY WITH INCREASED 
RELATIVE HUMIDITIES. ON SATURDAY...HUMIDITIES WILL APPROACH CRITICAL 
VALUES. FIRE WEATHER CONCERNS WILL INCREASE SUNDAY AND MONDAY AS A 
RIDGE ALOFT PREVAILS AND WINDS INCREASE IN THE AFTERNOONS. 

WYZ304-072230-
SOUTHWEST CARBON-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY SUNNY. 
MAX TEMPERATURE.....70-75. 
   24 HR TREND......9 DEGREES COOLER. 
MIN HUMIDITY........23-29 PERCENT. 
   24 HR TREND......14 PERCENT WETTER. 
20-FOOT WINDS.......NORTH 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......7000-7800 FT AGL INCREASING TO 9300-11000 FT 
                    AGL IN THE AFTERNOON. 
SMOKE DISPERSAL.....GOOD (75500 KNOT-FT) INCREASING TO VERY GOOD 
                    (136200 KNOT-FT) IN THE AFTERNOON. 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. 
MIN TEMPERATURE.....41-46. 
   24 HR TREND......2 DEGREES COOLER. 
MAX HUMIDITY........78-84 PERCENT. 
   24 HR TREND......11 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH. 
MIXING HEIGHT.......4800-5800 FT AGL DECREASING TO 200 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....FAIR (59500 KNOT-FT) DECREASING TO POOR (1600 
                    KNOT-FT) AFTER MIDNIGHT. 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY. 
MAX TEMPERATURE.....73-78. 
   24 HR TREND......4 DEGREES WARMER. 
MIN HUMIDITY........11-17 PERCENT. 
   24 HR TREND......11 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH IN 
                    THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH. 
MIXING HEIGHT.......3000-3600 FT AGL INCREASING TO 6300-7500 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (27100-76900 KNOT-FT). 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 10 MPH. 
.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 50. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
10 MPH. 
.TUESDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 10 MPH. 
.WEDNESDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 70S. 
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
70S. 
$$