Expires:201209072230;;168619
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. 

WYZ310-072230-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........CLOUDY UNTIL 1200...THEN PARTLY CLOUDY. 
                    ISOLATED SHOWERS UNTIL 1200. 
MAX TEMPERATURE.....66-71. 
   24 HR TREND......17 DEGREES COOLER. 
MIN HUMIDITY........29-35 PERCENT. 
   24 HR TREND......26 PERCENT WETTER. 
20-FOOT WINDS.......NORTH 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.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......5600-7600 FT AGL. 
SMOKE DISPERSAL.....GOOD TO VERY GOOD (69800-113300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. 
MIN TEMPERATURE.....42-47. 
   24 HR TREND......6 DEGREES COOLER. 
MAX HUMIDITY........70-76 PERCENT. 
   24 HR TREND......13 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH AND GUSTY SHIFTING TO 
                    THE SOUTHWEST AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH SHIFTING TO THE 
                    SOUTHWEST AFTER MIDNIGHT. 
MIXING HEIGHT.......3400-4000 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR (2300-38600 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........SUNNY. 
MAX TEMPERATURE.....74-79. 
   24 HR TREND......10 DEGREES WARMER. 
MIN HUMIDITY........15-21 PERCENT. 
   24 HR TREND......17 PERCENT DRIER. 
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....WEST AROUND 10 MPH. 
MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 5300-5800 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO FAIR (25700-48300 KNOT-FT). 
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 80S.
SOUTH WINDS AROUND 10 MPH. 
.MONDAY...MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS AROUND 10 MPH. 
.TUESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
WEST WINDS AROUND 10 MPH. 
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 70S. 
.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. 
$$