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Wyoming Fire Weather Zone 293

...GUSTY SOUTHWEST WINDS AND LOW HUMIDITIES THIS AFTERNOON AND FRIDAY
FOR FIRE ZONES ALONG AND WEST OF THE LARAMIE RANGE...

.DISCUSSION...

STRONG WINDS ALONG AND WEST OF THE LARAMIE RANGE THIS AFTERNOON THROUGH
MID EVENING TODAY. FOR FWZ 310...WINDS HAVE OCCASIONALLY EXCEEDED
CRITICAL LEVELS...BUT HAS NOT BEEN WIDESPREAD. HAVE DECIDED TO HOLD OFF
ON WARNING FOR 310 AT THIS TIME AS WIND GUIDANCE SHOWING A DOWN TREND ON
WINDS THE REMAINDER OF THE AFTERNOON. ANOTHER DRY DAY FOR THURSDAY WITH
LESS WIND AS HIGH PRESSURE TRACKS ACROSS SOUTHERN WYOMING. BY THURSDAY
NIGHT INTO FRIDAY...SOUTHWEST WINDS BEGIN TO INCREASE AGAIN. CONDITIONS
SIMILAR TO THIS AFTERNOON ARE POSSIBLE FRIDAY. BY FRIDAY NIGHT...LOW
PRESSURE TRACKS ACROSS MONTANA...DRAGGING A COLD FRONT THROUGH THE AREA
FRIDAY AFTERNOON. THERE WILL BE A SWITCH IN THE WINDS FROM WEST TO NORTH
ACROSS CONVERSE AND NIOBRARA COUNTIES AND THE NORTHERN PANHANDLE. CHANCES
FOR SHOWERS AND THUNDERSTORMS INCREASE ACROSS THE NORTHERN PANHANDLE AND
EAST CENTRAL WYOMING FRIDAY AFTERNOON AND EVENING.


NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-
303 PM MDT WED JUN 19 2013

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....51-56.
   24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........53-59 PERCENT.
   24 HR TREND......28 PERCENT DRIER.
HUMIDITY RECOVERY...POOR.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......5200-7200 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD (103800 KNOT-FT) DECREASING TO POOR
                    (2000 KNOT-FT) AFTER MIDNIGHT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.THURSDAY...
SKY/WEATHER.........SUNNY UNTIL 1200...THEN PARTLY CLOUDY.
MAX TEMPERATURE.....79-84.
   24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........12-18 PERCENT.
   24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH AND GUSTY SHIFTING TO
                    THE SOUTH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE SOUTH
                    IN THE AFTERNOON.
MIXING HEIGHT.......4300-6200 FT AGL INCREASING TO 9600-11600 FT
                    AGL IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (67600-91400 KNOT-FT).
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....50-55.
   24 HR TREND......UNCHANGED.
MAX HUMIDITY........77-83 PERCENT.
   24 HR TREND......31 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHEAST AROUND 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......4700-6700 FT AGL DECREASING TO 300-900 FT AGL
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (78400 KNOT-FT) DECREASING TO POOR (6500
                    KNOT-FT) AFTER MIDNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....80-85.
   24 HR TREND......UNCHANGED.
MIN HUMIDITY........20-26 PERCENT.
   24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTH AROUND 5 MPH.
LAL.................2 UNTIL 1200...THEN 3.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
MIXING HEIGHT.......4100-6100 FT AGL INCREASING TO 8800-10800 FT
                    AGL IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (35800-67200 KNOT-FT).
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80. EAST WINDS
AROUND 5 MPH.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS AROUND 80. WEST WINDS AROUND
5 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 MID 50S. HIGHS IN THE UPPER
80S.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S.