Special Weather Statement issued September 12 at 4:18PM PDT by NWS

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PLACER AND CENTRAL NEVADA COUNTIES UNTIL 500 PM PDT... At 417 PM PDT, a strong thunderstorm was located 8 miles east of Sugar Pine, or 9 miles southeast of Baxter, moving northwest at 20 mph. Winds in excess of 30 mph and dime size hail are possible with this

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2wW4257