Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA

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956
FXUS66 KHNX 222128
AFDHNX

Area Forecast Discussion
National Weather Service San Joaquin Valley - Hanford CA
228 PM PDT Sat Apr 22 2017

.SYNOPSIS...Near normal temperatures and mostly dry weather will
be present across central California into next weekend.

&&

.DISCUSSION...Upper level high pressure continues to dominate
southern and much of central California this afternoon. This
resulted in above normal temperatures across the area. At 2 pm...most
San Joaquin Valley and surrounding foothill temperatures were in
the mid to upper 70s...while the desert experienced temperatures
in the low to mid 80s. These temperatures are forecast to rise
another 3 to 8 degrees by early this evening.

An upper low will approach the Washington State and British
Columbia coastline tonight into Sunday...with falling 500 mb
heights across the region resulting in a cooling trend. Zonal flow
will be present on Sunday...with temperatures cooling between 5
and 8 degrees between this afternoon and Sunday afternoon.

The upper level flow will becoming northwesterly Monday and
continue into at least Friday...maintaining seasonable
temperatures. A few showers will be possible over the Sierra
Nevada generally from Fresno County northward Monday through
Wednesday. However...the best chance of precipitation looks to
remain to the north and east of the area...but a few scattered
showers cannot be ruled out.

Lastly...breezy conditions will develop across the
area...especially over the desert and Kern County mountains
Wednesday through Friday. These winds will develop in response to
surface high pressure strengthening over the Eastern Pacific with
surface low pressure over the desert southwest.

&&

.AVIATION...
VFR conditions will prevail throughout the central CA interior
during the next 24 hours.

&&

.AIR QUALITY ISSUES...
None.

&&

.CERTAINTY...

The level of certainty for days 1 and 2 is high.
The level of certainty for days 3 through 7 is high.

Certainty levels include low...medium...and high. Please visit
www.weather.gov/hnx/certainty.php for additional information
and/or to provide feedback.

&&

.HNX Watches/Warnings/Advisories...
NONE.
&&

$$

public...Riley
avn/fw...BSO
synopsis...Riley

weather.gov/hanford



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