Expires:201209072230;;168618
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. 

WYZ309-072230-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS. 
MAX TEMPERATURE.....60-66. 
   24 HR TREND......20 DEGREES COOLER. 
MIN HUMIDITY........38-44 PERCENT. 
   24 HR TREND......27 PERCENT WETTER. 
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH INCREASING TO AROUND 20 
                    MPH IN THE AFTERNOON. 
MIXING HEIGHT.......5100-7100 FT AGL. 
SMOKE DISPERSAL.....FAIR (49700 KNOT-FT) INCREASING TO VERY GOOD 
                    (100800 KNOT-FT) IN THE AFTERNOON. 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. 
MIN TEMPERATURE.....39-45. 
   24 HR TREND......3 DEGREES COOLER. 
MAX HUMIDITY........76-82 PERCENT. 
   24 HR TREND......21 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......EAST 10 TO 15 MPH AND GUSTY SHIFTING TO THE 
                    SOUTHWEST AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTHWEST 
                    AFTER MIDNIGHT. 
MIXING HEIGHT.......3000-3700 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR (3200-39800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY. 
MAX TEMPERATURE.....70-76. 
   24 HR TREND......9 DEGREES WARMER. 
MIN HUMIDITY........16-22 PERCENT. 
   24 HR TREND......18 PERCENT DRIER. 
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY SHIFTING TO 
                    THE EAST WITH HIGHER GUSTS IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE EAST IN 
                    THE AFTERNOON. 
MIXING HEIGHT.......2800-3300 FT AGL INCREASING TO 5500-6200 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (28700-65900 KNOT-FT). 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 10 MPH. 
.MONDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.
WEST WINDS AROUND 10 MPH. 
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. WEST
WINDS AROUND 10 MPH. 
.WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. 
.THURSDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. 
$$