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SPC Day 1 Fire Weather Outlook

SPC Day 1 Fire Weather Outlook

[html]SPC Day 1 Fire Weather Outlook
         
Day 1 Fire Weather Outlook Image

Day 1 Fire Weather Outlook 
NWS Storm Prediction Center Norman OK
1106 AM CDT Fri Sep 09 2022

Valid 091700Z - 101200Z

The previous forecast (see below) remains on track for the
Northwest. In addition, the latest guidance consensus depicts
locally Elevated/Critical conditions across much of central and
eastern Utah into western Wyoming as a surface cold front sweeps
across the area. The dry and breezy northwesterly surface winds
should be strongest in mainly terrain-favoring areas though,
precluding the introduction of any fire weather highlights.

..Squitieri.. 09/09/2022

.PREV DISCUSSION... /ISSUED 0157 AM CDT Fri Sep 09 2022/

...Synopsis...
A broad large-scale trough will shift eastward from the northern
Rockies into the northern Plains/Upper MS Valley through the period.
On the backside of the trough, a belt of enhanced northwesterly
midlevel flow will extend from the Pacific Northwest into the
northern and central Rockies. As a result, high pressure will
strengthen over the northern Rockies, while an elongated area of
surface low pressure extends northward along the West Coast.

...Northwest...
An enhanced surface pressure gradient between the high pressure over
the northern Rockies and low pressure along the West Coast will
result in an expansive area of sustained east-northeasterly surface
winds of 15-20 mph (with locally higher gusts) across much of the
Northwest. The breezy/gusty surface winds, coupled with 10-20
percent minimum RH, will lead to elevated fire-weather conditions
given receptive fuels across the region. Strong surface winds are
expected to persist within the Cascade gaps into Day 2/Saturday
morning, where poor overnight RH recoveries are forecast owing to
the persistent offshore flow pattern. While locally critical
conditions will be possible primarily over terrain-favored areas
along the Cascades, these conditions appear too localized for
Critical highlights at this time.

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


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Source: SPC Day 1 Fire Weather Outlook (http://ht**://www.spc.noaa.gov/products/fire_wx/fwdy1.html)