Flash Flood Warning 23, 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

Special Weather Statement
National Weather Service San Joaquin Valley CA
301 PM PST Sat Mar 11 2023

CAZ321-322-331-332-112330-
South End Sierra Foothills CA-South End of the Lower Sierra CA-
Kern River Valley CA-South End of the Upper Sierra CA-
301 PM PST Sat Mar 11 2023

...A thunderstorm will impact portions of south central Tulare
County through 330 PM PST...

At 301 PM PST, Doppler radar was tracking a thunderstorm 18 miles
east of East Porterville, or 22 miles east of Porterville, moving
southeast at 5 mph.

HAZARD...Winds in excess of 30 mph and heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Johnsondale and Uhl.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3603 11883 3605 11849 3592 11841 3580 11871
TIME...MOT...LOC 2301Z 332DEG 5KT 3599 11864

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

TAS

Special Weather Statement
National Weather Service San Joaquin Valley CA
311 PM PST Sat Mar 11 2023

CAZ310-314>316-321-322-332-333-112345-
Southeast San Joaquin Valley CA-South End Sierra Foothills CA-
South End of the Lower Sierra CA-Bakersfield CA-Delano-Wasco-
Shafter CA-Piute Walker Basin CA-Kern River Valley CA-
South End San Joaquin Valley CA-
311 PM PST Sat Mar 11 2023

...A strong thunderstorm will impact portions of north central Kern
County through 345 PM PST...

At 311 PM PST, Doppler radar was tracking a strong thunderstorm
capable of producing a landspout 12 miles east of Shafter, or 13
miles north of Bakersfield, moving east at 25 mph.

HAZARD...Landspouts, winds in excess of 30 mph, heavy rain, and half
         inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible. Gusty winds
         could knock down tree limbs and blow around unsecured
         objects.

Locations impacted include...
Bakersfield, Shafter and Oildale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3548 11920 3564 11915 3562 11865 3535 11872
TIME...MOT...LOC 2311Z 281DEG 21KT 3555 11901

LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

TAS

Special Weather Statement
National Weather Service San Joaquin Valley CA
320 PM PST Sat Mar 11 2023

CAZ314-316-322-332>334-112345-
South End of the Lower Sierra CA-Bakersfield CA-
Piute Walker Basin CA-Kern River Valley CA-
South End San Joaquin Valley CA-Tehachapi CA-
320 PM PST Sat Mar 11 2023

...A thunderstorm will impact portions of central Kern County
through 345 PM PST...

At 319 PM PST, Doppler radar was tracking a thunderstorm 13 miles
southwest of Bodfish, or 22 miles east of Bakersfield, moving
southeast at 20 mph.

HAZARD...Winds in excess of 30 mph and heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Breckenridge Mtn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3541 11881 3553 11871 3543 11829 3519 11843
TIME...MOT...LOC 2319Z 296DEG 17KT 3542 11863

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

TAS

Special Weather Statement
National Weather Service San Joaquin Valley CA
323 PM PST Sat Mar 11 2023

CAZ301-302-306-307-120000-
Fresno-Clovis CA-Caruthers - San Joaquin - Selma CA-Los Banos -
Dos Palos CA-Merced - Madera - Mendota CA-
323 PM PST Sat Mar 11 2023

...A strong thunderstorm will impact portions of south central Madera
and west central Fresno Counties through 400 PM PST...

At 322 PM PST, Doppler radar was tracking a strong thunderstorm near
Mendota, or 17 miles southwest of Madera, moving east at 25 mph.

HAZARD...Winds in excess of 30 mph, heavy snow and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Fresno, Kerman and Biola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3665 12035 3683 12037 3691 11994 3664 11991
TIME...MOT...LOC 2322Z 264DEG 22KT 3675 12027

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

TAS

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