510
FNUS75 KPSR 160010
FWSPSR

Spot Forecast for Siphon...AZ-TNF
National Weather Service Phoenix AZ
510 PM MST Sun Sep 15 2024

Forecast is based on forecast start time of 0600 MST on September 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
With temperatures gradually cooling, humidity levels will increase
through Monday resulting in chances for showers and thunderstorms
with modest chances for wetting rainfall. The best chances for
wetting rains will be late tonight through early Monday morning
before much drier air ends rain chances completely later in the
morning hours. Winds Monday morning will out of the east to
southeast before gradually shifting out of the southwest in the
afternoon with potential gusts upwards of 25 mph. Lighter winds
are expected by Tuesday. Even though much drier air is expected
for Tuesday, the cooler temperatures will allow for MinRHs to
remain somewhat elevated.

...Thunderstorms imply gusty winds...

Note...Additional Fire Weather Forecast information can be found
in the Area Forecast Discussion. See product PHXAFDPSR.

.MONDAY...

Sky/weather.........Partly sunny (50-60 percent). Chance of showers
                    and slight chance of thunderstorms early in the morning
                    then drying out.
CWR.................37 percent.
Max temperature.....Around 86.
Min humidity........29-34 percent.
Wind (20 ft)........East to southeast winds 10 to 15 mph in the morning gradually veering to the
                    southwest 15 to 20 mph with gusts upwards of 25 mph in the afternoon.
                    Gusty and erratic winds expected near thunderstorms.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (45-55 percent) then becoming
                    partly cloudy (45-55 percent). Slight chance of
                    showers.
CWR.................7 percent.
Min temperature.....Around 66.
Max humidity........52-57 percent.
Wind (20 ft)........South to southwest winds 5 to 14 mph.

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................2 percent.
Max temperature.....Around 79.
Min humidity........23-28 percent.
Wind (20 ft)........Southwest winds 5 to 11 mph.

$$
Forecaster...GL
Requested by...Kurt Lehner
Type of request...WILDFIRE
.TAG 2422508.0/PSR
.DELDT 09/15/24
.FormatterVersion 2.0.0
.EMAIL 2024.siphon@firenet.gov