Area Forecast Discussion
Issued by NWS San Joaquin Valley, CA
FXUS66 KHNX 301130
Area Forecast Discussion
National Weather Service San Joaquin Valley - Hanford CA
430 AM PDT Thu Mar 30 2017
A fast moving storm system will drop into the Great Basin today
and tonight. This will bring windy conditions to the area along
with some showers, mainly over the mountains. High pressure will
return for more springlike conditions during the weekend into
early next week.
The next storm system taking aim on our area continues pushing
through northern CA and radar indicates an associated area of
precip nearing our northern boundary. Short range high res models
prog scattered showers moving through the area today through the
evening, confined mainly to the mountains. precipitation amounts
are forecast to be generally light, with just a few inches of snow
accumulating at the higher elevations. Increasing surface pressure
gradients along with a strong upper level jet moving overhead will
combine to create windy conditions across our area with the
passing frontal system. A wind advisory is in effect foe much of
the San Joaquin Valley today through this evening, while a High
Wind Warning is in effect for the mountains and desert areas of
Models are similar in drifting the low pressure system southeast
through Friday, while a high pressure ridge rebuilds across our
region for the latter part of the weekend. This will bring dry and
warming conditions with temperatures returning to several degrees
above climo. Another trough is then progged to drop out of the Pac
NW early next week and clip our district, bringing cooling
temperatures with more breezy conditions and a few showers
possible over the high Sierra.
By the middle of next week, models rebuild another ridge across
the area ahead of another developing frontal system. This will
create generally mild and warmer than normal conditions for our
In the San Joaquin Valley, Windy conditions developing after 15z
continuing through the evening. In the Southern Sierra Nevada and
adjacent foothills, scattered showers 15z-06z with local IFR
conditions and mountain obscuration over the Sierra high country.
In the Tehachapi Mountains, areas of MVFR and local mountain
obscuring IFR in low clouds 21z thru 06Z Fri wind gusts above 50KT
possible 18z-06Z. Across the Kern County Deserts, wind gusts above
50KT possible 18z-06Z. Otherwise, VFR conditions can be expected
across the central CA interior for the next 24 hours.
.AIR QUALITY ISSUES...
The level of certainty for days 1 and 2 is high.
The level of certainty for days 3 through 7 is medium.
Certainty levels include low...medium...and high. Please visit
www.weather.gov/hnx/certainty.php for additional information
an/or to provide feedback.
High Wind Warning from 9 AM this morning to 11 PM PDT this
Wind Advisory from 9 AM this morning to 11 PM PDT this evening