Washington County-
Including Akron, Cope, Last Chance, and Otis
334 PM MDT Tue Aug 13 2019
.TONIGHT…
Sky/weather………Partly cloudy(40-50%) until 0300, then mostly
cloudy. Chance of thunderstorms until 1900,
then slight chance of thunderstorms. Patchy fog
after 0300.
Min Temperature…..56-60.
24 hr trend……Little change.
Max Humidity……..97-99%.
24 hr trend……Little change.
20-foot winds…….East winds 11-17 mph with gusts to 25 mph
shifting to the south 4-13 mph after midnight.
Haines Index……..4 or low.
LAL……………..4 until 2400, then 3.
CWR……………..10 percent until 2400, then 0 percent.
15K FT MSL winds….West 15-20 mph.
Mixing height…….9500-10500 ft AGL until 2000, then 4500 ft AGL
until 2100, then Below 1000 FT AGL until 2200,
then 1000 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds…..North 10-15 mph until 2000, then south.
Smoke dispersal…..Good until 2100, then poor.
.WEDNESDAY…
Sky/weather………Mostly cloudy(60-65%) until 0900, then partly
cloudy(30-35%) until 1200, then mostly sunny.
Patchy fog until 0800. Slight chance of
thunderstorms after 1200. Chance of rain
showers after 1500.
Max Temperature…..83-87.
24 hr trend……Little change.
Min Humidity……..31-41%.
24 hr trend……4-7% wetter.
20-foot winds…….South winds 6-12 mph. Gusts up to 20 mph in the
afternoon.
Haines Index……..4 or low.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent until 1200, then 10 percent.
15K FT MSL winds….West 20-30 mph.
Mixing height…….Below 1000 FT AGL until 0700. 11000-12000 ft
AGL after 1400.
Transport winds…..West 10-15 mph until 1700, then northeast.
Smoke dispersal…..Poor until 1400, then good.
.WEDNESDAY NIGHT…
Sky/weather………Mostly clear. Slight chance of thunderstorms
until 2400.
Min Temperature…..55-59.
24 hr trend……Little change.
Max Humidity……..98-100%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 6-12 mph with gusts to 25 mph.
Haines Index……..3 or very low.
LAL……………..3 until 2400, then 1.
CWR……………..10 percent until 2400, then 0 percent.
15K FT MSL winds….Northwest 25-35 mph.
Mixing height…….7500-8500 ft AGL until 2000. Below 1000 FT AGL
after 2100.
Transport winds…..South 10-15 mph until 0200, then southwest
15-20 mph.
Smoke dispersal…..Poor.
.THURSDAY…
Sky/weather………Mostly sunny. Slight chance of thunderstorms
after 1200.
Max Temperature…..89-93.
24 hr trend……4-7 degrees warmer.
Min Humidity……..19-27%.
24 hr trend……10-15% drier.
20-foot winds…….Southwest winds 4-13 mph shifting to the
northwest 6-12 mph with gusts to 20 mph in the
afternoon.
Haines Index……..5 or moderate.
LAL……………..1 until 1200, then 2.
CWR……………..0 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0800, then 6500-7500 ft
AGL.
Transport winds…..Northeast 10-15 mph.
Smoke dispersal…..Poor until 1400, then fair.
.THURSDAY NIGHT…Partly cloudy. Slight chance of thunderstorms.
Lows in the upper 50s. East winds 5-9 mph.
.FRIDAY…Partly cloudy. Slight chance of thunderstorms. Highs in
the upper 80s. Southeast winds 6-12 mph.
.SATURDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the upper 50s. Highs in the upper 80s. South winds 5-13 mph.
.SUNDAY…Mostly clear. Lows in the upper 50s. Highs in the lower
90s. South winds 6-12 mph.