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497
FXUS66 KHNX 270800
AFDHNX

Area Forecast Discussion
National Weather Service Hanford CA
100 AM PDT Thu Jun 27 2024

.KEY MESSAGES...

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1. Gusty winds will continue through Friday morning along the
Mojave Desert Slopes. A Wind Advisory remains in effect from
through Friday morning.

2. Temperatures will cool slightly today, but remain above
normal.

3. Maximum temperatures are expected to rise back up into the
triple digits over the lower elevations by Saturday and
potentially above 105 degrees by next Tuesday.
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.DISCUSSION...
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Upper trough now pushing into the PAC NW and this
feature is producing some impacts for our area. First onshore
p-grads increased yday afternoon and as a result winds have
picked up across the downslope prone areas, in particular the
Mojave Desert slopes where several locations have reported
gusts exceeding 45 mph. The gusty winds are anticiapted to
continue through Friday morning when p-grads are finally
expected to relax. A Wind Advisory remains in effect for the
Mojave Desert Slopes until 800 am PDT Friday. The other impact
that will be felt across the area today from this system will be
a continued cooling trend across the area with maximum
temperatures expected to be below the century mark today except
across the Kern County Deserts.

The trough is progged to move eastward into the Intermountain
West Region by Friday with a zonal flow westerly flow setting up
over central CA. This will maintain dry weather across our area
with low daytime humidity and poor overnight recovery. Although
winds are expected to decrease, elevated fire weather concerns
will continue due to low humidity and low dead fuel moistures.

Saturday through Monday are expected to be dry with a slow
warming trend taking place across our area as a weak trough
moves through the PAC NW while an upper ridge strengthens over
the Desert Southwest region. Latest NBM probabilistic guidance
is indicating a PoE of 100 DEG F or higher in the San Joaquin
Valley of 10 to 50 percent on Saturday and Sunday rising to 40
to 80 percent by Monday.

Medium range ensembles are in excellent agreement with building
a large upper ridge inland into CA between next Tuesday and the
July 4 Holiday next Thursday. This will result in the return of
increased heat risk for the San Joaquin Valley, West Side Hills
and Lower Sierra Foothills. By next Wednesday, most of the San
Joaquin Valley has a PoE of 105 DEG F or higher of 30 to 60
percent.
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.AVIATION...
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Areas of MVFR and local IFR visibility in smoke in
the Sierra Nevada and adjacent foothills south of Kings Canyon.
Wind gusts above 35 KT possible along the Mojave Desert Slopes
producing local blowing dust. Otherwise, VFR conditions will
prevail across the central CA interior for the next 24 hours.
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&&

.AIR QUALITY ISSUES...
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None.
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.CERTAINTY...

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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.html for additional information
and/or to provide feedback.
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.HNX WATCHES/WARNINGS/ADVISORIES...
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Wind Advisory until 8 AM PDT Friday for CAZ338.
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&&

$$

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