Washington County-
Including Akron, Cope, Last Chance, and Otis
315 PM MDT Fri Sep 13 2019
.TONIGHT…
Sky/weather………Clear.
Min Temperature…..50-54.
24 hr trend……4-7 degrees warmer.
Max Humidity……..80-90%.
24 hr trend……10-15% wetter.
20-foot winds…….Southeast winds 5-9 mph shifting to the
southwest 4-12 mph after midnight.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 20-30 mph.
Mixing height…….4000-5000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..Light winds until 2000, then west 10-15 mph.
Smoke dispersal…..Poor.
.SATURDAY…
Sky/weather………Sunny.
Max Temperature…..85-89.
24 hr trend……4-7 degrees warmer.
Min Humidity……..11-15%.
24 hr trend……10-15% drier.
20-foot winds…….Northwest winds 7-13 mph.
Haines Index……..4 or low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 8000-9000 ft
AGL.
Transport winds…..Northwest 10-15 mph.
Smoke dispersal…..Poor until 1200, then good.
.SATURDAY NIGHT…
Sky/weather………Clear.
Min Temperature…..53-57.
24 hr trend……Little change.
Max Humidity……..70-80%.
24 hr trend……7-10% drier.
20-foot winds…….South winds 4-8 mph.
Haines Index……..4 or low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 15-25 mph.
Mixing height…….5000-6000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..Light winds until 2100, then south 10-15 mph.
Smoke dispersal…..Poor.
.SUNDAY…
Sky/weather………Mostly sunny.
Max Temperature…..89-93.
24 hr trend……2-4 degrees warmer.
Min Humidity……..16-22%.
24 hr trend……7-10% wetter.
20-foot winds…….Southwest winds 4-8 mph shifting to the south
8-14 mph with gusts to 20 mph in the afternoon.
Haines Index……..4 or low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-20 mph.
Mixing height…….Below 1000 FT AGL until 1000. 11000-12000 ft
AGL after 1200.
Transport winds…..Southwest around 10 mph until 0900, then light
until 1000, then south 10-15 mph.
Smoke dispersal…..Poor until 1200. Very good after 1400.
.SUNDAY NIGHT…Partly cloudy. Lows in the upper 50s. South winds
8-14 mph.
.MONDAY…Partly cloudy. Highs around 90. South winds 9-15 mph.
.TUESDAY…Mostly clear. Slight chance of rain showers. Lows in
the upper 50s. Highs in the upper 80s. Southwest winds 7-13 mph.
.WEDNESDAY…Mostly clear. Slight chance of rain showers. Lows in
the mid 50s. Highs in the lower 80s. Northeast winds 7-13 mph.