FNUS76 KOTX 061923

FWSOTX



Spot Forecast for Lynch Gulch RX Unit 5...BLM

National Weather Service Spokane WA

1223 PM PDT Wed May 6 2026



Forecast is based on ignition time of 1200 PDT on May 07. 

.DISCUSSION...



Mild conditions with breezy westerly winds in the afternoons 

expected Thursday and Friday. Dry conditions are expected to 

continue beyond Friday. 



If conditions become unrepresentative, contact the National Weather

Service.

***************************************************************

Forecasts for 20 foot wind speeds (valleys and ridge tops) are

10 minute averages reflecting RAWS wind.

***Ventilation Index is derived from transport wind

   multiplied by the mixing height divided by 100.

   Categories: low (< 200), moderate (200-500), 

   high (500-800), and very high (> 800). 

***************************************************************



.THURSDAY...



Sky/weather.........Sunny. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Max temperature.....68. 

Min humidity........32-37 percent. 

Wind (20 ft)........West winds around 6-10 mph. 

Mixing height.......5500 ft AGL.

Transport winds.....West around 11 mph. 

Ventilation Index...High (612). 



.THURSDAY NIGHT...



Sky/weather.........Partly cloudy then becoming mostly cloudy. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Min temperature.....48. 

Max humidity........65-70 percent. 

Wind (20 ft)........Southwest winds 1-4 mph. 

Mixing height.......Near surface.  

Transport winds.....Southwest 6 to 7 mph. 

Ventilation Index...Moderate (336) decreasing to low (5) overnight. 



.FRIDAY...



Sky/weather.........Partly sunny. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Max temperature.....67. 

Min humidity........31-36 percent. 

Wind (20 ft)........Light winds becoming southwest 5 to 10 mph in 

                    the afternoon. Wind gusts up to 16 mph in 

                    the afternoon.

Mixing height.......5000 ft AGL. 

Transport winds.....Southwest 10 to 17 mph. 

Ventilation Index...High (535) increasing to very high (911) in the 

                    afternoon. 



$$

Forecaster...DB

Requested by...William Bowman

Type of request...PRESCRIBED

.TAG 2612955.0/OTX

.DELDT 05/06/26

.FormatterVersion 2.0.0

.EMAIL imorgan@blm.gov,william.bowman@usda.gov