Expires:201209072230;;168620
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. 

NEZ311-072230-
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY. 
                    SCATTERED SHOWERS UNTIL 1200. 
MAX TEMPERATURE.....68-73. 
   24 HR TREND......16 DEGREES COOLER. 
MIN HUMIDITY........27-33 PERCENT. 
   24 HR TREND......14 PERCENT WETTER. 
20-FOOT WINDS.......NORTH 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......6500-8500 FT AGL. 
SMOKE DISPERSAL.....GOOD TO VERY GOOD (87200-130500 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.TONIGHT...
SKY/WEATHER.........CLEAR. 
MIN TEMPERATURE.....41-46. 
   24 HR TREND......5 DEGREES COOLER. 
MAX HUMIDITY........73-79 PERCENT. 
   24 HR TREND......27 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......NORTH 10 TO 15 MPH AND GUSTY SHIFTING TO THE 
                    WEST AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST AFTER 
                    MIDNIGHT. 
MIXING HEIGHT.......3800-4300 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR TO FAIR (1800-40900 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........SUNNY. 
MAX TEMPERATURE.....77-82. 
   24 HR TREND......9 DEGREES WARMER. 
MIN HUMIDITY........14-20 PERCENT. 
   24 HR TREND......9 PERCENT DRIER. 
20-FOOT WINDS.......WEST 10 TO 15 MPH SHIFTING TO THE NORTH IN THE 
                    AFTERNOON. GUSTS UP TO 25 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH IN THE 
                    AFTERNOON. 
MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 5300-6000 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (31900-66500 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 AROUND 90. SOUTH
WINDS AROUND 10 MPH. 
.MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS AROUND 10 MPH. 
.TUESDAY...NOT AS WARM. PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. WEST WINDS AROUND 10 MPH. 
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. 
.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. 
$$