Expires:201209072230;;168617
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. 

WYZ308-072230-
LARAMIE VALLEY/SHIRLEY BASIN-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY. 
                    ISOLATED SHOWERS. 
MAX TEMPERATURE.....62-67. 
   24 HR TREND......16 DEGREES COOLER. 
MIN HUMIDITY........35-41 PERCENT. 
   24 HR TREND......30 PERCENT WETTER. 
20-FOOT WINDS.......SOUTHEAST AROUND 10 MPH AND GUSTY SHIFTING TO 
                    THE NORTH 10 TO 20 MPH WITH GUSTS TO AROUND 35 
                    MPH IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE NORTH 
                    IN THE AFTERNOON. 
MIXING HEIGHT.......5800-7800 FT AGL. 
SMOKE DISPERSAL.....FAIR TO VERY GOOD (56700-101100 KNOT-FT). 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. 
MIN TEMPERATURE.....36-41. 
   24 HR TREND......3 DEGREES COOLER. 
MAX HUMIDITY........88-94 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH. GUSTS UP TO 35 MPH 
                    DECREASING TO 20 MPH AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH. 
MIXING HEIGHT.......3300-4200 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR TO FAIR (2500-45200 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........SUNNY. 
MAX TEMPERATURE.....70-75. 
   24 HR TREND......9 DEGREES WARMER. 
MIN HUMIDITY........15-21 PERCENT. 
   24 HR TREND......22 PERCENT DRIER. 
20-FOOT WINDS.......SOUTH AROUND 10 MPH SHIFTING TO THE NORTH WITH 
                    HIGHER GUSTS IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE NORTH IN 
                    THE AFTERNOON. 
MIXING HEIGHT.......2700-3200 FT AGL INCREASING TO 5500-6200 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (23500-62500 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 LOWER 40S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 10 MPH. 
.MONDAY...MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 10 MPH. 
.TUESDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
10 MPH. 
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. 
.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 70.
$$