Yosemite and Upper San Joaquin River are the focus of an updated weather alert for strong thunderstorms issued at 5:21 p.m.

A sharp, loud crack will be heard close to the actual lightning strike, while a rumbling sound may follow. The atmosphere’s temperature influences the sound of thunder and how far it travels. Sound ...

An updated report was issued from the National Weather Service on Wednesday at 4:47 p.m. for strong thunderstorms in effect ...

A destructive thunderstorm as one that has winds of 80 miles per hour or higher, and/or hail of at least 2.75 inches in diameter.