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Active official alertUpdated

Winter Storm Warning for Yosemite NP outside of the valley; San Joaquin River Canyon; Upper San Joaquin River +4 more

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What you need to know

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What is happening

What: Heavy snow expected. Widespread Moderate Impacts with total snow accumulations up to 20 inches. Winds gusting as high as 50 mph. Impacts: Travel could be very difficult to impossible. The hazardous conditions will impact the Friday evening and Monday morning commutes. Gusty winds could bring down tree...

What the bulletin says to do

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.

Full official description

Bulletin details

* WHAT...Heavy snow expected. Widespread Moderate Impacts with total snow accumulations up to 20 inches. Winds gusting as high as 50 mph. * WHERE...Sierra Nevada above 6,000 feet. * WHEN...From 10 AM this morning to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions will impact the Friday evening and Monday morning commutes. Gusty winds could bring down tree branches. Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

5 captured
  1. Update

    Winter Storm Warning issued November 13 at 1:41AM PST until November 17 at 4:00AM PST by NWS Hanford CA

    Official revision
  2. Update

    Winter Storm Warning issued November 12 at 5:30PM PST until November 17 at 4:00AM PST by NWS Hanford CA

    Official revision
  3. Update

    Winter Storm Warning issued November 12 at 9:31AM PST until November 17 at 4:00AM PST by NWS Hanford CA

    Official revision
  4. Alert

    Winter Storm Warning issued November 12 at 5:19AM PST until November 17 at 4:00AM PST by NWS Hanford CA

    Official revision
  5. Alert

    Winter Storm Warning issued November 12 at 5:19AM PST until November 17 at 4:00AM PST by NWS Hanford CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Hanford CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

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