706
FNUS75 KBYZ 051908
FWSBYZ

Spot Forecast for South Stocker RX...USFS
National Weather Service Billings MT
108 PM MDT Sun May 5 2024

Forecast is based on ignition time of 0900 MDT on May 05.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

1230 PM observations at Fort Howes RAWS shows a breezy southeast
wind gusting to 27 mph with humidities dropping into the mid 20s .
Winds will stay this strong through the evening. There is a small
chance for a storm to pass through the site between 3-6 PM today,
with brief, enhanced winds up to 40 mph being the main threat.

Tomorrow will see just as strong (if not stronger) winds than
observed today, but out of the northwest as a cold front will pass
through overnight. Expect anywhere from 0.2-1 inch of rain to
occur over the next 36 hours, with a 70% chance to get at least
0.25 inches of rain. Most of this rain will occur throughout
Monday.

.REST OF TODAY...

Sky/weather.........Partly sunny. Slight chance of rain showers and
                    isolated thunderstorms in the afternoon.
CWR.................10 percent.
LAL.................1...no thunderstorms.
Max temperature.....75-79.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 12 to 16 mph with gusts to around
                    28 mph. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
 Ridgetop...........Southeast winds 18 to 22 mph.
Mixing height.......12100 ft AGL in the afternoon.
Transport winds.....South around 22 mph.
Smoke dispersal.....Excellent (375700 knot-ft) in the afternoon
Haines index........5.

.TONIGHT...

Sky/weather.........Mostly cloudy. Slight chance of rain showers in
                    the evening. Isolated thunderstorms through the
                    night. Chance of rain showers overnight. Cold Front.
CWR.................15 percent.
LAL.................2...1 to 8 strikes/15 min/cell.
Min temperature.....40-44.
Max humidity........88-92 percent.
Wind (20 ft)........
 Slope/valley.......South winds 12 to 14 mph, becoming west
                    5 to 8 mph overnight. Gusty and erratic winds
                    expected near thunderstorms.
 Ridgetop...........South winds 15 to 20 mph becoming west
                    5 to 10 mph overnight
Mixing height.......12100 ft AGL decreasing to 500 ft AGL
                    overnight.
Transport winds.....Southwest around 21 mph.
Smoke dispersal.....Excellent (151900 knot-ft) early in the evening
                    decreasing to poor (4700 knot-ft) late in the
                    night.

.MONDAY...

Sky/weather.........Cloudy. Rain.
CWR.................95 percent.
LAL.................1...no thunderstorms.
Max temperature.....49-53.
Min humidity........54-58 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 10 to 20 mph increasing to 22
                    to 26 mph in the afternoon. Gusts up to 40 mph.
 Ridgetop...........Northwest winds 22 to 26 mph.
Mixing height.......500 ft AGL early in the morning increasing to
                    3900 ft AGL in the afternoon.
Transport winds.....Northwest around 26 mph.
Smoke dispersal.....Poor (8800 knot-ft) early in the morning
                    increasing to very good (137000 knot-ft) in the
                    afternoon.
Haines index........2.

$$
Forecaster...Vertz
Requested by...Cody S Phillips
Type of request...PRESCRIBED
.TAG 2412752.5/BYZ
.DELDT 05/05/24
.FormatterVersion 2.0.0
.EMAIL cody.phillips2@usda.gov