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Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
1008 AM CDT Tue Aug 09 2022

Valid 091700Z - 101200Z

The previous forecast remains on track with only minor adjustments
required. 12 UTC regional soundings and latest satellite estimates
show PWAT values have increase to around 1 inch across much of the
Pacific Northwest. An embedded impulse is noted in morning
water-vapor imagery pivoting north/northeastward along the West
Coast. This feature will support scattered thunderstorm development
by early afternoon. The highest thunderstorm coverage remains most
likely across central to southeast OR, but more isolated dry
thunderstorms are possible in this periphery of this axis. Strong
thunderstorm outflows remain likely and may reach severe (58+ mph)
wind speeds. See the previous discussion for additional details, and
see the recent Day 1 Convective Outlook for more information on the
severe weather potential.

..Moore.. 08/09/2022

.PREV DISCUSSION... /ISSUED 0145 AM CDT Tue Aug 09 2022/

...Synopsis...
An upper ridge will persist across the western CONUS as a mid-level
closed low impinges on the West Coast today. Strong 500 mb flow in
advance of the mid-level closed low will overspread the Cascades
during the afternoon, providing adequate upper support for
initiating several thunderstorms when considering the presence of
low to mid-level monsoonal moisture. While storms will be fast
moving, the concentration of storms (several of which may be
training) along with precipitable water values approaching 1.25
inches suggest that wetting rains should acco*pany at least most of
the storms. Nonetheless, the abundance of storms will also increase
the odds of peripheral lightning strikes away from cores. Downward
momentum of the stronger mid-level flow in thunderstorms may also
support strong, erratic gusts. As such, isolated dry thunderstorm
highlights have been maintained for the co*bined threats of
peripheral strikes within spotty dry fuel beds and gusty
thunderstorm winds, which can exacerbate ongoing wildfires.

...Please see www.spc.noaa.gov/fire for graphic product...