Expires:201209072230;;168612
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. 

WYZ303-072230-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS UNTIL 1200. 
MAX TEMPERATURE.....63-69. 
   24 HR TREND......12 DEGREES COOLER. 
MIN HUMIDITY........31-37 PERCENT. 
   24 HR TREND......24 PERCENT WETTER. 
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH. GUSTS UP TO 25 MPH 
                    INCREASING TO 35 MPH IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH. 
MIXING HEIGHT.......5700-6900 FT AGL INCREASING TO 7500-9300 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....FAIR (54400 KNOT-FT) INCREASING TO VERY GOOD 
                    (108700 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.....40-45. 
   24 HR TREND......2 DEGREES COOLER. 
MAX HUMIDITY........77-83 PERCENT. 
   24 HR TREND......14 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......EAST 10 TO 15 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....EAST 10 TO 15 MPH. 
MIXING HEIGHT.......3900-4900 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR TO FAIR (2400-48900 KNOT-FT). 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........SUNNY. 
MAX TEMPERATURE.....70-76. 
   24 HR TREND......7 DEGREES WARMER. 
MIN HUMIDITY........14-20 PERCENT. 
   24 HR TREND......18 PERCENT DRIER. 
20-FOOT WINDS.......WEST UP TO 10 MPH AND GUSTY SHIFTING TO THE 
                    NORTHWEST WITH HIGHER GUSTS IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....WEST 10 TO 15 MPH. 
MIXING HEIGHT.......2700-3400 FT AGL INCREASING TO 5600-6800 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (22500-68500 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 UPPER
70S. SOUTHWEST WINDS AROUND 10 MPH. 
.MONDAY...PARTLY CLOUDY WITH SLIGHT 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 LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH. 
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. 
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. 
$$