Suppression Forecast
Issued by NWS Tucson, AZ

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FNUS75 KTWC 181413
FWSTWC

Spot Forecast for Cottonwood Fire...NPS
National Weather Service Tucson AZ
713 AM MST Sun Aug 18 2019

Forecast is based on forecast start time of 0800 MST on August 18.

.DISCUSSION...Dry conditions are expected through Monday, with
above normal temperatures. Near-record heat is then expected
Tuesday and Wednesday, with only a slight chance of showers and
thunderstorms. Light winds with normal diurnal trends are expected
through Monday.

.TODAY...

Sky/weather.........Partly cloudy.
Max temperature.....94 to 97 degs.
Min humidity........15 to 18 pct.
20-foot Winds.......Southeast/east wind 2 to 7 mph, becoming
                    west/northwest 5 to 10 mph by late morning.
                    A few afternoon gusts to near 20 mph.
LAL.................1.
CWR.................0 percent.
Haines Index........4 or low potential for large plume
                    dominated fire growth.
Mixing Height.......1200 ft AGL increasing to 11400 ft AGL.
Transport Winds.....Southeast around 3 knots shifting to the
                    west around 6 knots.

.TONIGHT...

Sky/weather.........Partly cloudy.
Min temperature.....71 to 74 degs.
Max humidity........40 to 43 pct.
20-foot Winds.......Northwest 5 to 10 mph with gusts to around
                    18 mph early in the evening, becoming
                    southeast 2 to 6 mph overnight.
LAL.................1.
CWR.................0 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing Height.......6600 ft AGL decreasing to 100 ft AGL.
Transport Winds.....Northwest 5 knots shifting to the southeast
                    around 3 knots.

.MONDAY...

Sky/weather.........Partly cloudy.
Max temperature.....95 to 98 degs.
Min humidity........15 to 18 pct.
20-foot Winds.......Southeast 2 to 6 mph early in the morning,
                    becoming northwest 5 to 10 mph by late
                    morning. A few afternoon gusts to around
                    20 mph.
LAL.................1.
CWR.................0 percent.
Haines Index........4 or low potential for large plume
                    dominated fire growth.
Mixing Height.......1600 ft AGL increasing to 10900 ft AGL.
Transport Winds.....Southeast around 3 knots shifting to the
                    northwest around 6 knots.

$$
Forecaster...ZELL
Requested by...Jack Yancick
Type of request...WILDFIRE
.TAG 1913988.0/TWC

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