Washington County-
Including Akron, Cope, Last Chance, and Otis
245 PM MDT Tue Aug 20 2019
.TONIGHT…
Sky/weather………Mostly cloudy. Chance of thunderstorms until
2400, then slight chance of thunderstorms.
Min Temperature…..59-63.
24 hr trend……Little change.
Max Humidity……..97-99%.
24 hr trend……Little change.
20-foot winds…….Northeast winds 9-15 mph.
Haines Index……..4 or low.
LAL……………..4 until 2400, then 3.
CWR……………..10 percent until 2400, then 0 percent.
15K FT MSL winds….South 15-20 mph.
Mixing height…….9500-10500 ft AGL until 2000, then 4000 ft AGL
until 2100, then Below 1000 FT AGL until 2300,
then 1000 ft AGL until 0200, then Below 1000 FT
AGL.
Transport winds…..North 15-20 mph.
Smoke dispersal…..Good until 2000, then poor.
.WEDNESDAY…
Sky/weather………Mostly cloudy until 1200, then partly
cloudy(50-60%) until 1500, then mostly
cloudy(60-65%). Slight chance of thunderstorms
until 1200, then chance of thunderstorms.
Max Temperature…..79-83.
24 hr trend……15-20 degrees cooler.
Min Humidity……..49-59%.
24 hr trend……25-35% wetter.
20-foot winds…….East winds 7-13 mph. Gusts up to 20 mph in the
afternoon.
Haines Index……..3 or very low.
LAL……………..3 until 1200, then 4.
CWR……………..0 percent until 1200, then 20 percent.
15K FT MSL winds….West 15-25 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 2500-3500 ft
AGL.
Transport winds…..Northwest around 10 mph until 0800, then
northeast until 1200, then east around 20 mph.
Smoke dispersal…..Poor until 1400, then fair.
.WEDNESDAY NIGHT…
Sky/weather………Mostly cloudy. Chance of thunderstorms.
Min Temperature…..56-60.
24 hr trend……Little change.
Max Humidity……..100%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 7-13 mph. Gusts up to 20 mph in
the evening.
Haines Index……..3 or very low.
LAL……………..4.
CWR……………..30 percent until 2400, then 20 percent.
15K FT MSL winds….Light and variable.
Mixing height…….1500-2500 ft AGL until 2400, then Below 1000 FT
AGL until 0300, then 1000 ft AGL.
Transport winds…..East 10-15 mph until 2100, then light until
2200, then southeast 10-15 mph.
Smoke dispersal…..Poor.
.THURSDAY…
Sky/weather………Mostly cloudy until 0900, then partly
cloudy(50-60%). Slight chance of thunderstorms.
Max Temperature…..79-85.
24 hr trend……Little change.
Min Humidity……..45-55%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 10-16 mph. Gusts up to 25 mph
in the afternoon.
Haines Index……..4 or low.
LAL……………..3.
CWR……………..0 percent.
15K FT MSL winds….Northwest around 15 mph.
Mixing height…….3000-4000 ft AGL.
Transport winds…..Southeast 10-15 mph until 1500, then around 20
mph.
Smoke dispersal…..Poor until 1600, then fair.
.THURSDAY NIGHT…Partly cloudy. Slight chance of thunderstorms.
Lows in the upper 50s. Southeast winds 10-16 mph.
.FRIDAY…Partly cloudy. Slight chance of thunderstorms. Highs in
the upper 80s. Southeast winds 8-14 mph.
.SATURDAY…Mostly clear. Lows around 60. Highs in the lower 90s.
South winds 7-13 mph.
.SUNDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the lower 60s. Highs in the lower 90s. Northwest winds 7-13 mph.