Washington County-
Including Akron, Cope, Last Chance, and Otis
304 PM MDT Thu Aug 22 2019
.TONIGHT…
Sky/weather………Mostly cloudy(60-65%). Chance of thunderstorms
until 2300, then slight chance of thunderstorms
until 0300.
Min Temperature…..57-61.
24 hr trend……Little change.
Max Humidity……..90-100%.
24 hr trend……2-4% wetter.
20-foot winds…….Southeast winds 10-16 mph with gusts to 30 mph.
Haines Index……..4 or low.
LAL……………..4 until 2400, then 3.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-25 mph.
Mixing height…….3500-4500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..South 20-25 mph until 2100, then around 15 mph.
Smoke dispersal…..Good until 2000, then poor.
.FRIDAY…
Sky/weather………Mostly cloudy. Chance of thunderstorms after
1200.
Max Temperature…..83-87.
24 hr trend……Little change.
Min Humidity……..32-42%.
24 hr trend……4-7% drier.
20-foot winds…….Southeast winds 10-16 mph.
Haines Index……..5 or moderate.
LAL……………..1 until 1200, then 4.
CWR……………..0 percent until 1200, then 10 percent.
15K FT MSL winds….Southwest 15-25 mph.
Mixing height…….Below 1000 FT AGL until 0900, then 4000-5000 ft
AGL until 1300, then 10500-11500 ft AGL until
1700, then 5000 ft AGL.
Transport winds…..South 15-20 mph.
Smoke dispersal…..Poor until 1300, then good until 1500, then
very good until 1700, then good.
.FRIDAY NIGHT…
Sky/weather………Mostly cloudy until 2400, then partly
cloudy(50-60%). Chance of thunderstorms until
2400, then slight chance of thunderstorms.
Min Temperature…..56-60.
24 hr trend……Little change.
Max Humidity……..98-100%.
24 hr trend……2-4% wetter.
20-foot winds…….Southeast winds 9-15 mph. Gusts up to 30 mph
decreasing to 20 mph after midnight.
Haines Index……..3 or very low.
LAL……………..4 until 2400, then 3.
CWR……………..20 percent until 2400, then 0 percent.
15K FT MSL winds….West 20-30 mph.
Mixing height…….1000-2000 ft AGL until 2100, then Below 1000 FT
AGL until 2400, then 1000 ft AGL until 0100,
then Below 1000 FT AGL.
Transport winds…..South 15-20 mph.
Smoke dispersal…..Poor.
.SATURDAY…
Sky/weather………Partly cloudy(40-50%). Slight chance of
thunderstorms after 1200.
Max Temperature…..85-89.
24 hr trend……Little change.
Min Humidity……..27-37%.
24 hr trend……2-4% wetter.
20-foot winds…….South winds 6-12 mph with gusts to 20 mph.
Haines Index……..4 or low.
LAL……………..1 until 1200, then 2.
CWR……………..0 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds…..West 10-15 mph until 1700, then light.
Smoke dispersal…..Poor.
.SATURDAY NIGHT…Partly cloudy. Lows in the upper 50s. South
winds 8-14 mph.
.SUNDAY…Mostly clear. Highs in the lower 90s. West winds
8-14 mph.
.MONDAY…Not as warm. Mostly clear. Slight chance of rain
showers. Lows in the upper 50s. Highs in the upper 70s. Northeast
winds 9-15 mph.
.TUESDAY…Mostly clear. Chance of rain showers and slight chance
of thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
South winds 9-15 mph.