Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
510 AM MDT Tue Sep 10 2019

.TODAY…
Sky/weather………Partly cloudy(30-35%) until 0900, then mostly
sunny. Slight chance of thunderstorms after
1500.
Max Temperature…..86-90.
24 hr trend……Little change.
Min Humidity……..24-30%.
24 hr trend……4-7% drier.
20-foot winds…….Southeast winds 9-15 mph. Gusts up to 30 mph in
the afternoon.
Haines Index……..4 or low.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent.
15K FT MSL winds….South 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0900. 12000-13000 ft
AGL after 1400.
Transport winds…..South 10-15 mph until 1400, then southwest
20-25 mph.
Smoke dispersal…..Poor until 1300. Excellent after 1500.

.TONIGHT…
Sky/weather………Mostly clear. Slight chance of thunderstorms
until 2400.
Min Temperature…..55-59.
24 hr trend……Little change.
Max Humidity……..86-96%.
24 hr trend……4-7% drier.
20-foot winds…….South winds 12-18 mph with gusts to 35 mph.
Haines Index……..3 or very low.
LAL……………..3 until 2400, then 1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….10500-11500 ft AGL until 2000. Below 1000 FT
AGL after 2400.
Transport winds…..South 20-25 mph until 0400, then southwest
around 15 mph.
Smoke dispersal…..Excellent until 1900. Poor after 2100.

.WEDNESDAY…
Sky/weather………Mostly sunny.
Max Temperature…..85-89.
24 hr trend……Little change.
Min Humidity……..23-29%.
24 hr trend……Little change.
20-foot winds…….Southwest winds 7-13 mph with gusts to 25 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0800. 10000-11000 ft
AGL after 1400.
Transport winds…..West 10-15 mph until 1200, then light until
1300, then west around 10 mph until 1400, then
south 15-20 mph.
Smoke dispersal…..Poor until 1400, then good.

.WEDNESDAY NIGHT…Partly cloudy. Chance of rain showers and
slight chance of thunderstorms. Lows in the lower 50s. Northwest
winds 8-14 mph.
.THURSDAY…Not as warm. Clear. Highs in the mid 70s. Northwest
winds 10-16 mph.
.FRIDAY…Mostly clear. Lows in the upper 40s. Highs around 80.
South winds 7-13 mph.
.SATURDAY…Clear. Lows in the lower 50s. Highs in the mid 80s.
South winds 6-12 mph.

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