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Wyoming Fire Weather Zone 309

.DISCUSSION...

FIRE WEATHER CONCERNS WILL BE MINIMAL OVER THE NEXT FEW DAYS AS
EAST AND SOUTHEAST SURFACE WINDS TRANSPORT GOOD MOISTURE ALONG AND
EAST OF THE LARAMIE RANGE. THE SOUTHEAST WINDS WILL BECOME QUITE
GUSTY ON THURSDAY AFTERNOON AND THURSDAY NIGHT. A WARM UP IS IN
STORE FOR THE WEEKEND AND THIS WILL CAUSE AFTERNOON MINIMUM
RELATIVE HUMIDITIES TO DROP INTO THE 15-20 PERCENT RANGE ACROSS
THE LOWER ELEVATIONS OF SOUTHEAST WYOMING. IN ADDITION...SOUTHWEST
WINDS WILL BE BREEZY AT TIMES OVER THE WEEKEND ACROSS SOUTHEAST
WYOMING.


SOUTH LARAMIE RANGE/MEDICINE BOW NF-
420 AM MDT WED MAY 22 2013

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900...THEN MOSTLY SUNNY
                    UNTIL 1200...THEN PARTLY CLOUDY. SLIGHT CHANCE
                    OF SHOWERS AND THUNDERSTORMS AFTER 1200.
MAX TEMPERATURE.....61-67.
   24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........32-38 PERCENT.
   24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTH UP TO 10 MPH INCREASING TO SOUTHEAST 10
                    TO 20 MPH WITH HIGHER GUSTS IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......3900-5400 FT AGL INCREASING TO 5700-7700 FT AGL
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (37400 KNOT-FT) INCREASING TO GOOD (99100
                    KNOT-FT) IN THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    UNTIL 2100. SLIGHT CHANCE OF SHOWERS UNTIL
                    2400.
MIN TEMPERATURE.....41-46.
   24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
   24 HR TREND......6 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WINDY. SOUTHEAST 10 TO 30 MPH WITH GUSTS TO
                    AROUND 45 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 25 MPH.
MIXING HEIGHT.......3800-5000 FT AGL DECREASING TO 1100-1700 FT AGL
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (87200 KNOT-FT) DECREASING TO POOR (27000
                    KNOT-FT) AFTER MIDNIGHT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY
                    UNTIL 1500...THEN MOSTLY CLOUDY. SLIGHT CHANCE
                    OF SHOWERS AND THUNDERSTORMS AFTER 1200.
MAX TEMPERATURE.....60-66.
   24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........42-48 PERCENT.
   24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......WINDY. SOUTHEAST 10 TO 30 MPH WITH GUSTS TO
                    AROUND 45 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST 25 TO 30 MPH.
MIXING HEIGHT.......1200-3200 FT AGL.
SMOKE DISPERSAL.....POOR TO GOOD (34800-63300 KNOT-FT).
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...WARMER. PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN
THE MID 70S. SOUTH WINDS AROUND 15 MPH.
.SATURDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 10 MPH.
.MEMORIAL DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER 70S.