Washington County-
Including Akron, Cope, Last Chance, and Otis
240 PM MDT Sun Sep 15 2019
.TONIGHT…
Sky/weather………Partly cloudy(40-50%) until 2400, then mostly
cloudy until 0300, then partly cloudy(55-60%).
Min Temperature…..59-63.
24 hr trend……4-7 degrees warmer.
Max Humidity……..64-68%.
24 hr trend……20-25% drier.
20-foot winds…….South winds 10-16 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….South 15-25 mph.
Mixing height…….5000-6000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..South around 20 mph.
Smoke dispersal…..Very good until 2000, then poor.
.MONDAY…
Sky/weather………Partly cloudy(40-50%). Slight chance of
thunderstorms after 1500.
Max Temperature…..87-91.
24 hr trend……2-4 degrees cooler.
Min Humidity……..20-24%.
24 hr trend……7-10% wetter.
20-foot winds…….South winds 12-18 mph with gusts to 30 mph.
Haines Index……..3 or very low.
LAL……………..1 until 1200, then 2.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-25 mph.
Mixing height…….Below 1000 FT AGL until 0900, then 9000-10000
ft AGL.
Transport winds…..Southwest around 20 mph.
Smoke dispersal…..Poor until 1100. Very good after 1400.
.MONDAY NIGHT…
Sky/weather………Mostly clear.
Min Temperature…..55-59.
24 hr trend……2-4 degrees cooler.
Max Humidity……..69-77%.
24 hr trend……4-7% wetter.
20-foot winds…….South winds 9-15 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-20 mph.
Mixing height…….7500-8500 ft AGL until 2000. Below 1000 FT AGL
after 2100.
Transport winds…..Southwest 15-20 mph until 0500, then west
around 10 mph.
Smoke dispersal…..Very good until 2000, then poor.
.TUESDAY…
Sky/weather………Partly cloudy(30-40%).
Max Temperature…..86-90.
24 hr trend……Little change.
Min Humidity……..20-24%.
24 hr trend……Little change.
20-foot winds…….Southwest winds 6-12 mph. Gusts up to 20 mph in
the afternoon.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 10500-11500
ft AGL.
Transport winds…..West around 10 mph until 1200, then light until
1300, then southwest 10-15 mph.
Smoke dispersal…..Poor until 1300. Very good after 1500.
.TUESDAY NIGHT…Mostly clear. Slight chance of thunderstorms.
Lows in the lower 50s. Northwest winds 5-9 mph.
.WEDNESDAY…Clear. Highs in the lower 80s. East winds 7-13 mph.
.THURSDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the upper 80s. South winds 8-14 mph.
.FRIDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the upper 50s. Highs in the mid 80s. South winds 11-17 mph.