National Weather Service United States Department of Commerce

COZ293-221830-
Gunnison Basin Forecast Area-
825 PM MDT Thu Jun 21 2018

.DISCUSSION...
Critical fire weather conditions will become widespread on Friday
to include much of eastern Utah and western Colorado as a trough 
and associated cold front pass through the region with a shift to 
northwesterly winds. Another system drops over the area from the 
north late Saturday afternoon through Monday, bringing cooler 
temperatures and a better chance for precipitation over the 
northern and central mountains. Hot and drier conditions return 
Tuesday and Wednesday.


...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...

.Rest of Tonight...
Sky/weather.........Mostly clear (20-30%). 
Min temperature.....46-56 F. 
Max humidity........33-43%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent. 
LAL.................1.
Haines Index........6 high. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......11000 ft AGL until 2200, then 3000 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph. 
Smoke dispersal.....Very good until 2100. Poor after 2400. 

.FRIDAY...
Sky/weather.........Mostly sunny (20-30%). 
Max temperature.....70-80 F. 
Min humidity........10-15%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph, becoming 
                    west 15 to 20 mph in the afternoon. Localized 
                    gusts up to 40 mph. 
CWR.................0 percent. 
LAL.................1.
Haines Index........6 high. 
15K Ft MSL Winds....West 20 to 30 mph. 
Mixing Height.......2000 ft AGL until 0700, then 16500 ft AGL. 
Transport Winds.....West 5 to 10 mph until 1200, then 20 to 25 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (10-20%). 
Min temperature.....40-50 F. 
Max humidity........42-52%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 40 mph in the evening. 
CWR.................0 percent. 
LAL.................1.
Haines Index........6 high. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......10500 ft AGL until 2200, then 3500 ft AGL. 
Transport Winds.....Northwest 15 to 20 mph until 2400, then north 5 
                    mph. 
Smoke dispersal.....Excellent until 2100. Poor after 2400. 

.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). 
Max temperature.....70-80 F. 
Min humidity........11-16%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 25 mph in the afternoon. 
CWR.................0 percent. 
LAL.................1.
Haines Index........6 high. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......14000 ft AGL. 
Transport Winds.....West 5 mph until 1200, then 15 to 20 mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
41-51. Highs 67-77. West winds 10 to 20 mph with gusts up to
30 mph. 
.MONDAY...Partly cloudy. Lows 37-47. Highs 67-77. West winds
10 to 20 mph with gusts up to 25 mph. 
.TUESDAY...Mostly clear. Lows 40-50. Highs 73-83. Winds less than
15 mph. 
.WEDNESDAY...Mostly clear. Lows 43-53. Highs 76-86. 
.THURSDAY...Mostly clear. Lows 43-53. Highs 76-86. 

$$