November 20, 2021 - The National Weather Service reports a Dense Fog Advisory is in effect for most of the San Joaquin Valley until 11:00 A.M. Saturday morning.

A Dense Fog Advisory means that visibilities will frequently be reduced to less than one quarter of a mile. If driving, slow down, use low beam headlights, and keep plenty of distance between your vehicle and the vehicle in front of you.

Highways affected include, but are not limited to Highway 99, Highway 41, Highway 43, Highway 180, Highway 152, and Highway 198 from Lemoore to Visalia.

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Dense Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
450 PM PST Fri Nov 19 2021

Merced - Madera - Mendota-Planada - Le Grand - Snelling-
Caruthers - San Joaquin - Selma-Fresno-Clovis-Buttonwillow -
Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Including the cities of Merced, Madera, Atwater, Planada,
Lake Mcclure, Le Grand, Selma, Sanger, Parlier, Kingsburg,
Kerman, Fresno, Lost Hills, Buttonwillow, Delano, Wasco, Alpaugh,
Shafter, Hanford, Lemoore, Corcoran, Goshen, Visalia, Tulare,
Porterville, Bakersfield, Richgrove, Lamont, and Arvin
450 PM PST Fri Nov 19 2021

...A DENSE FOG ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL
11 AM PST SATURDAY MORNING...

* WHAT...Visibility in dense fog ranging from 800 feet to as low
  as 200 feet.

* WHERE...Most of the San Joaquin Valley.

* WHEN...From midnight tonight until 11 AM PST Saturday morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...Highways affected include, but are not
  limited to Highway 99, Highway 41, Highway 43, Highway 180,
  Highway 152, and Highway 198 from Lemoore to Visalia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use low beam headlights, and keep plenty of
distance between your vehicle and the vehicle in front of you.

Source: NWS