Expires:201209072230;;168615
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. 

WYZ306-072230-
UPPER NORTH PLATTE RIVER BASIN-
346 AM MDT FRI SEP 7 2012
.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS UNTIL 1200. 
MAX TEMPERATURE.....64-69. 
   24 HR TREND......11 DEGREES COOLER. 
MIN HUMIDITY........30-36 PERCENT. 
   24 HR TREND......21 PERCENT WETTER. 
20-FOOT WINDS.......SOUTHWEST 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.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE NORTH 
                    IN THE AFTERNOON. 
MIXING HEIGHT.......5400-6500 FT AGL INCREASING TO 7600-9200 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....FAIR (48100 KNOT-FT) INCREASING TO VERY GOOD 
                    (116900 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.....38-43. 
   24 HR TREND......1 DEGREE COOLER. 
MAX HUMIDITY........82-88 PERCENT. 
   24 HR TREND......11 PERCENT DRIER. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......EAST AROUND 10 MPH. GUSTS UP TO 25 MPH IN THE 
                    EVENING. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....EAST AROUND 10 MPH. 
MIXING HEIGHT.......4000-4900 FT AGL DECREASING TO 300 FT AGL AFTER 
                    MIDNIGHT. 
SMOKE DISPERSAL.....POOR TO FAIR (1900-42200 KNOT-FT). 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY. 
MAX TEMPERATURE.....70-75. 
   24 HR TREND......6 DEGREES WARMER. 
MIN HUMIDITY........19 PERCENT. 
   24 HR TREND......15 PERCENT DRIER. 
20-FOOT WINDS.......SOUTH AROUND 10 MPH SHIFTING TO THE NORTHWEST 
                    IN THE AFTERNOON. GUSTS UP TO 20 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE NORTHWEST 
                    IN THE AFTERNOON. 
MIXING HEIGHT.......2800-3300 FT AGL INCREASING TO 5800-6600 FT AGL 
                    IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (22900-64700 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 UPPER
70S. SOUTHWEST WINDS AROUND 10 MPH. 
.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH. 
.TUESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH. 
.WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S. 
.THURSDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE LOWER 70S. 
$$