Washington County-
Including Akron, Cope, Last Chance, and Otis
324 PM MDT Wed Sep 18 2019
.TONIGHT…
Sky/weather………Mostly clear.
Min Temperature…..50-54.
24 hr trend……2-4 degrees warmer.
Max Humidity……..78-88%.
24 hr trend……10-15% wetter.
20-foot winds…….Southeast winds 6-12 mph with gusts to 20 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-25 mph.
Mixing height…….2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..Southeast 10-15 mph.
Smoke dispersal…..Poor.
.THURSDAY…
Sky/weather………Mostly sunny.
Max Temperature…..88-92.
24 hr trend……7-10 degrees warmer.
Min Humidity……..16-22%.
24 hr trend……4-7% drier.
20-foot winds…….South winds 7-13 mph. Gusts up to 25 mph in the
afternoon.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….South 25-35 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 10500-11500
ft AGL.
Transport winds…..South 10-15 mph until 1500, then 20-25 mph.
Smoke dispersal…..Poor until 1200. Excellent after 1500.
.THURSDAY NIGHT…
Sky/weather………Mostly clear. Slight chance of thunderstorms
after 2100 until 2400.
Min Temperature…..56-60.
24 hr trend……4-7 degrees warmer.
Max Humidity……..79-89%.
24 hr trend……Little change.
20-foot winds…….South winds 13-23 mph with gusts to 40 mph.
Haines Index……..3 or very low.
LAL……………..3 until 2400, then 1.
CWR……………..0 percent.
15K FT MSL winds….South 20-30 mph.
Mixing height…….5500-6500 ft AGL until 2100, then Below 1000 FT
AGL until 2400, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds…..South 25-30 mph.
Smoke dispersal…..Very good until 2000, then poor.
.FRIDAY…
Sky/weather………Partly cloudy(30-35%) until 0900, then mostly
sunny.
Max Temperature…..85-89.
24 hr trend……2-4 degrees cooler.
Min Humidity……..18-24%.
24 hr trend……2-4% wetter.
20-foot winds…….South winds 12-22 mph with gusts to 30 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0700. 10500-11500 ft
AGL after 1100.
Transport winds…..Southwest 20-25 mph until 1500, then south
around 30 mph.
Smoke dispersal…..Poor until 1000, then good until 1200, then
excellent.
.FRIDAY NIGHT…Mostly clear. Slight chance of thunderstorms.
Lows around 50. West winds 8-14 mph.
.SATURDAY…Mostly clear. Chance of rain showers and slight
chance of thunderstorms. Highs in the upper 70s. Northeast winds
7-13 mph.
.SUNDAY…Mostly clear. Slight chance of rain showers. Lows in
the upper 40s. Highs in the upper 70s. Southwest winds 5-9 mph.
.MONDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the upper 40s. Highs in the lower 80s. South winds 7-13 mph.