Wyoming Fire Weather Zone 290
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
MDT MONDAY SNOWY AND SIERRA MADRE RANGES...
...WIND ADVISORY IN EFFECT FROM 8 AM TO 9 PM MDT MONDAY FOR THE
NEBRASKA PANHANDLE...
.DISCUSSION...
UPPER LEVEL TROUGH WILL MOVE ACROSS THE FORECAST AREA TONIGHT AND
TOMORROW. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
ACCOMPANY THIS THE TROUGH. MOST PRECIPITATION WILL FALL AS RAIN
SOME SNOW WILL BE FOUND MAINLY ABOVE 8500 FT. SEVERAL INCHES
OF SNOW IS EXPECTED IN THE SNOWY AND SIERRA MADRE RANGES.
TEMPERATURES WILL BE BELOW NORMAL THE NEXT FEW DAYS BUT WILL WARM
LATER IN THE WEEK. MOSTLY DRY FOR TUESDAY WITH A RIDGE PUSHING INTO
THE AREA BUT THEN CHANCES FOR SHOWERS AND THUNDERSTORMS INTO
THE LAST HALF OF THE WEEK...MAINLY ALONG AND EAST OF THE LARAMIE
RANGE AND INTO THE NEBRASKA PANHANDLE.
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-
300 PM MDT SUN MAY 19 2013
.TONIGHT...
SKY/WEATHER.........CLOUDY. NUMEROUS SHOWERS.
MIN TEMPERATURE.....45-50.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........92-98 PERCENT.
24 HR TREND......3 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH AND GUSTY.
LAL.................1.
CHC OF WETTING RAIN.45 PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......3700-4700 FT AGL DECREASING TO 2000-2500 FT AGL
AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR TO GOOD (46300-80500 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
.MONDAY...
SKY/WEATHER.........CLOUDY. NUMEROUS SHOWERS.
MAX TEMPERATURE.....52-57.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........65-71 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. NORTHWEST 20 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
LAL.................1.
CHC OF WETTING RAIN.55 PERCENT.
TRANSPORT WINDS.....NORTHWEST 30 TO 35 MPH.
MIXING HEIGHT.......2800-4400 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD (80400-118900 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
.MONDAY NIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS.
MIN TEMPERATURE.....38-43.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........89-95 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
LAL.................1.
CHC OF WETTING RAIN.25 PERCENT.
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.
MIXING HEIGHT.......2800-3800 FT AGL.
SMOKE DISPERSAL.....GOOD (62800-84300 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
.TUESDAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS UNTIL
1200...THEN SLIGHT CHANCE OF SHOWERS.
MAX TEMPERATURE.....57-62.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......28 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
LAL.................1.
CHC OF WETTING RAIN.15 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.
MIXING HEIGHT.......5300-7300 FT AGL.
SMOKE DISPERSAL.....VERY GOOD (125000-135000 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
.FORECAST DAYS 3 THROUGH 7...
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 5 MPH.
.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS AROUND 15 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80. SOUTHEAST
WINDS AROUND 15 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
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