Expires:201209072230;;168614
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. 

WYZ305-072230-
SIERRA MADRE RANGE/MEDICINE BOW NF-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS. 
MAX TEMPERATURE.....59-69. 
   24 HR TREND......12 DEGREES COOLER. 
MIN HUMIDITY........31-37 PERCENT. 
   24 HR TREND......18 PERCENT WETTER. 
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY SHIFTING TO THE 
                    NORTH WITH HIGHER GUSTS IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO NORTH AROUND 
                    20 MPH IN THE AFTERNOON. 
MIXING HEIGHT.......6000-7600 FT AGL INCREASING TO 8300-10300 FT 
                    AGL IN THE AFTERNOON. 
SMOKE DISPERSAL.....GOOD (71700 KNOT-FT) INCREASING TO VERY GOOD 
                    (147300 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.....39-44. 
   24 HR TREND......1 DEGREE COOLER. 
MAX HUMIDITY........77-83 PERCENT. 
   24 HR TREND......18 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 AROUND 15 MPH. 
MIXING HEIGHT.......4500-5600 FT AGL DECREASING TO 200-800 FT AGL 
                    AFTER MIDNIGHT. 
SMOKE DISPERSAL.....GOOD (66600 KNOT-FT) DECREASING TO POOR (5300 
                    KNOT-FT) AFTER MIDNIGHT. 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY. 
MAX TEMPERATURE.....64-72. 
   24 HR TREND......5 DEGREES WARMER. 
MIN HUMIDITY........15-21 PERCENT. 
   24 HR TREND......13 PERCENT DRIER. 
20-FOOT WINDS.......NORTHEAST AROUND 10 MPH SHIFTING TO THE 
                    NORTHWEST UP TO 10 MPH WITH HIGHER GUSTS IN THE 
                    AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH SHIFTING TO THE 
                    NORTHWEST IN THE AFTERNOON. 
MIXING HEIGHT.......2800-3500 FT AGL INCREASING TO 5600-7000 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (28200-77900 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 LOWER 40S. HIGHS IN THE LOWER
70S. WEST WINDS AROUND 10 MPH. 
.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH. 
.TUESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH. 
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 60S. 
.THURSDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. 
$$