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Severe Thunderstorm Warning Issued For Tuolumne County

UPDATE 11 a.m. 3/22/17: Tuolumne County's severe thunderstorm warning ended at 3:30 p.m. Tuesday.

UPDATE 2:36 p.m. Tuolumne County's severe thunderstorm warning extended to 3:30 p.m.

There will be winds of up to 60 mph with a possibility of quarter-inch hail.

Areas affected:

  • Sonora
  • Twain Harte
  • Groveland
  • Jupiter
  • Cedar Ridge
  • Pinecrest
  • Tuolumne City
  • Greeley Hill
  • Coulterville
  • Snelling

UPDATE 2:10 p.m.: Storm threats in Sacramento are expected to diminish in the next several hours.

The National Weather Service placed Tuolumne County under severe thunderstorm warning.

UPDATE 1:42 p.m.: Areas under tornado warning at this time:

  • Chinese Camp
  • Snelling
  • East Oakdale 
  • Winton
  • Cressey
  • Livingston
  • Merced
  • Waterford
  • Hickman
  • Turlock
  • Keyes
  • Denair
Large hail is possible in some of these areas. The warning is in effect for some areas listed above until 2:30 p.m. Northeastern winds of up to 25 mph are expected.

UPDATE 1:24 p.m.: The tornado warning issued in Stanislaus County has been extended till 2 p.m. 

Residents in Turlock, Denair and Keyes are being advised to take shelter and avoid windows. The National Weather Service also put out a tornado warning for areas in Livingston and Merced.

UPDATE 1:00 p.m.: The National Weather Service has issued a tornado warning for Turlock.

UPDATE 11:30 a.m.: The National Weather Service in Sacramento placed a significant weather advisory between Stockton and Sacramento.

The locations at risk of small hail and winds above 40 mph include Stockton, Tracy, Lodi, Elk Grove and Rancho Seco Park. It is also advised to take caution on interstates 5 and 8 as well as Highway 50.

Heavy rain has caused minor flooding in some parts of Sacramento within an hour.

NWS Sacramento also reported that at least half an inch of rain fell between 10:30-11 a.m.

The Office of Emergency Services is also recommending people stay inside while there is a chance of thunderstorms Tuesday. 

Original Post: (AP) - The first wet storm of the spring is moving into the Sierra where record snowfall already has reservoirs releasing water early to guard against potential flooding in northern Nevada well into the summer.

The National Weather Service says 4 to 8 inches of snow is possible Tuesday on the highest mountain passes, including the Mount Rose Highway southwest of Reno and Donner Pass on Interstate 80, west of Truckee, California.

Forecasters don't expect any immediate flooding but another round of mountain snow and valley rain is expected Friday and Saturday.

A week of unusually warm weather helped accelerate snowmelt in the mountains around Lake Tahoe, where the Mt. Rose Ski Resort already has recorded a season-record 56 feet of snow.

The Truckee, Carson and Humboldt rivers currently are flowing at rates more typical of season-high peaks in May.

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