071
FNUS76 KPDT 091819
FWSPDT

Spot Forecast for HAZMAT Drill...Pasco Fire Department
National Weather Service Pendleton OR
1119 AM PDT Thu Oct 9 2025

Forecast is based on forecast start time of 1200 PDT on October 09.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***
***Ventilation Index is derived from the
   transport wind multiplied by the mixing
   height in 100`s of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...Dry conditions with northwest to north winds is
expected through the day.  Temperatures will rise into the
low to mid 70s and MIN RH values will be 30 to 35 percent.

Mixing heights will peak around 2800 feet.

.TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
Max temperature.....74-77.
Min humidity........30-35 percent.
Surface winds (mph).Northwest winds 6 to 10 mph shifting to the
                    north late in the afternoon.
Mixing height.......2800 ft AGL.
Transport winds.....West around 6 mph shifting to the north around
                    5 mph late in the afternoon.

TIME (PDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Temp............66  69  72  72  73  74  71  67  64  58  56  54
RH..............47  42  39  37  35  36  41  49  56  62  66  72
Surface wnd dir.NW  NW  N   N   N   N   N   N   N   N   N   N
Surface wnd spd.8   8   8   8   8   8   8   8   6   6   6   5
Surface wnd gst.10  10  10  10  10  9   9   9   7   7   7

$$
Forecaster...Nierenberg
Requested by...Jason McGary
Type of request...HAZMAT
.TAG 2523247.0/PDT
.DELDT 10/09/25
.FormatterVersion 2.0.0
.EMAIL mcgaryj@pasco-wa.gov