FXUS66 KSTO 292133
AFDSTO
Area Forecast Discussion
National Weather Service Sacramento CA
Issued by National Weather Service Hanford CA
233 PM PDT Thu Sep 29 2022
SYNOPSIS… Locally breezy northerly winds in the northern and
western Sacramento valley through mid-day Friday. Otherwise quiet
and dry conditions continue. Temperatures near to slightly above
normal for this time of year.
.DISCUSSION
… Abundant sunshine is being observed across interior
northern California on visible satellite imagery this afternoon. An
upper level trough is moving over the Pacific Northwest today, and
will settle over the northern/central Rockies by tomorrow. With this
low off to our east, locally breezy northerly winds are forecast
over the area, however no major impacts are expected. The strongest
winds will be over the northern and western portions of the
Sacramento Valley this evening through mid-day Friday where gusts up
to 15-25 mph are possible. Even with locally breezy north winds,
fire weather concerns remain minimal as relative humidity and fuels
are not critically low.
As this trough continues to shift eastward over the next few days
toward the northern great plains, ridging will build back in behind
it. As a result, warm and dry conditions will prevail over the
weekend. Temperatures will be trending right around normal, to
slightly above normal over the next several days. Valley locations
will see daytime high temperatures in the mid 80s to low 90s during
this time. Onshore flow will return to the area over the weekend as
the winds will shift from the north back to the typical west-
southwest flow.
.EXTENDED DISCUSSION
(MONDAY THROUGH THURSDAY)...
Ensembles and clusters are in good agreement for ridging to continue
over interior northern California through the middle of next week,
with a trough developing well offshore over the Pacific Ocean. As a
result, warm and dry conditions will continue with high temperatures
near seasonable values for early October.
|
|
