Flash Flood Warning 22, NWS Hanford, CA

Area Forecast Discussion
National Weather Service Hanford CA
1228 PM PST Sat Mar 11 2023

.SYNOPSIS...

Spotty Showers and Thunderstorms will mainly be favored for the
communities adjacent to and in orographically favored regions of
the Sierra Nevada Mtn for today. This rainfall will continue to
aid in snow melt for elevations below 5000 feet. Rivers and
Streams, in our CWA, continue to see increased river flows and
flooding since yesterday's storm which has dumped heavy rain on
top of snow.

After today's thunderstorm event, the next chance of rain should
occur Monday night into Wednesday. Rivers and Streams will
continued to have to be monitored for the duration of this event.

&&

.DISCUSSION...

The Storm Prediction Center continues to suggest possible
convection for the San Joaquin Valley this afternoon into this
evening. A steep lapse rate, in addition to strong / low amplitude
westerlies, could help fire up spotty storms in the area. Any
Thunderstorm that form could bring heavy rain, small hail, gusty
winds, and lightning.

Except for a few spotty remnant showers, Sunday into Monday
afternoon will remain dry throughout most of the CWA before
another storm enters our region. Although we will have to monitor
any changes as of currently, we are forecasting approximately
1"-2" of rain for the entire Central Valley. Lesser amounts will
be found in the Eastern and Southern portion of the Valley. The
Sierra Nevada mountains could receive widespread amounts of 5"-6"
of rain, with higher amounts in localized areas. Similar to
yesterdays storm, snow levels will continue to remain high to
approximately 7000 feet; suggesting rain on top of snow once
again. We will have to monitor rivers and creek as snow melt and
water logged soils may increase flow.

&&

.AVIATION...

The San Joaquin Valley can see continued MFVR conditions with rain
showers and possibly IFR conditions in mountains due to heavier
possible precipitation in the form of thunderstorms.

&&

.AIR QUALITY ISSUES...

 None.

&&

.CERTAINTY...

The level of certainty for days 1 and 2 is medium.
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.html for additional information
and/or to provide feedback.

&&

.HNX WATCHES/WARNINGS/ADVISORIES...
Flood Watch through Wednesday morning for CAZ300>336.

Winter Storm Warning until 10 AM PDT Sunday for CAZ323-326>331.

&&

public...Chamberlain
aviation....Chamberlain

weather.gov/hanford

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HANFORD CA
1214 PM PST SAT MAR 11 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1115 AM     FLOOD            2 NNE EXETER            36.33N 119.12W
03/11/2023                   TULARE             CA   PUBLIC

            RECEIVED AN IMAGE ON FACEBOOK OF FLOODING OF
            THE FRIANT KERN CANAL AT SR 198.

&&

JPK

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