A northwest surge of tropical moisture during the Labor Day weekend produced strong thunderstorms over the Kern County Mountains during the late afternoon of September 3. These thunderstorms produced heavy rain which caused flash flooding in the Frazier Park and Pine Mountain Club areas. The thunderstorms spread northward through the San Joaquin Valley along an outflow boundary which also produced wind gusts between 40 and 50 mph and blowing dust which reduced visibility to near zero.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 17:24:00 to 03-SEP-17 17:24:00 (PST-8)
Location: (BFL)MEADOWS FIELD AP
Magnitude: 35.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a downed tree from thunderstorm winds on Airport Dr. and West China Grade loop in Bakersfield.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 16:31:00 to 03-SEP-17 16:31:00 (PST-8)
Location: OIL CENTER
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported several tree branches down on State Route 178 due to strong thunderstorm winds in East Bakersfield.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 16:52:00 to 03-SEP-17 16:52:00 (PST-8)
Location: CALDERS CORNER
Magnitude: 43.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported power lines downed across Stockdale Highway west of Rosedale from strong thunderstorm winds.

Thunderstorm Wind in TULARE, CALIFORNIA
From 03-SEP-17 17:48:00 to 03-SEP-17 17:48:00 (PST-8)
Location: PIXLEY
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a large tree branch downed by thunderstorm wind gusts in the right lane of State Route 99 near East Court Ave. in Pixley.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 18:08:00 to 03-SEP-17 18:08:00 (PST-8)
Location: MC KITTRICK
Magnitude: 43.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported downed power lines from thunderstorm wind gusts across the roadway on Lost Hills Rd. near Lokern Rd. 1NW McKittrick.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 16:14:00 to 03-SEP-17 16:14:00 (PST-8)
Location: PUMPKIN CENTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported road flooding and debris due to heavy rainfall near Compagnoni St. and Taft Highway in Castle Ranch.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 16:31:00 to 03-SEP-17 16:31:00 (PST-8)
Location: VENOLA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a mud slide and road flooding due to heavy rainfall on southbound State Route 99 just north of White Ln. in Bakersfield.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 16:45:00 to 03-SEP-17 16:45:00 (PST-8)
Location: KERN CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a mud slide in the right lane of State Route 99 at Ming Ave. to State Route 58 in Bakersfield.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 17:34:00 to 03-SEP-17 17:34:00 (PST-8)
Location: LAMONT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported flooding and debris on San Emidio St. in Lamont.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:02:00 to 03-SEP-17 19:02:00 (PST-8)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported power lines downed from dust storm winds in the roadway on State Route 210 near Rd. 74 southwest of Dinuba.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:10:00 to 03-SEP-17 19:10:00 (PST-8)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a tree downed from dust storm wind gusts fell on a vehicle near East Douglas Ave. and North Gowdy St. in Visalia.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:17:00 to 03-SEP-17 19:17:00 (PST-8)
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a tree blocking the roadway on Pacheco Rd. near South Union Ave. downed by dust storm winds in Bakersfield.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:11:00 to 03-SEP-17 19:11:00 (PST-8)
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a downed tree from dust storm winds in the roadway on Alturas Dr. near Columbus St. in northeast Bakersfield.

Lightning in TULARE, CALIFORNIA
From 03-SEP-17 11:30:00 to 03-SEP-17 12:30:00 (PST-8)
Location: LODGEPOLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A family of three were struck by lightning and injured while wilderness backpacking at Sequoia National Park.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 16:29:00 to 03-SEP-17 16:29:00 (PST-8)
Location: OIL JCT
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a tree down on State Route 204 due to strong winds 4NW Bakersfield.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 19:02:00 to 03-SEP-17 19:02:00 (PST-8)
Location: DELANO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported road flooding and mud debris near Cecil Ave. and State Route 99 in Delano.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:12:00 to 03-SEP-17 19:12:00 (PST-8)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported downed power lines from dust storm winds in the roadway on State Route 201 near Rd. 88 just south of Dinuba.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 19:15:00 to 03-SEP-17 19:15:00 (PST-8)
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a downed tree branch from dust storm wind gusts blocking the Ellington St. off ramp on State Route 99 in Delano.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 17:08:00 to 03-SEP-17 17:08:00 (PST-8)
Location: TUPMAN
Magnitude: 43.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported downed power poles and power lines near Interstate 5 just south of Stockdale Highway 1SE of Buttonwillow.  The downed power lines caused brush fires.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 17:21:00 to 03-SEP-17 17:21:00 (PST-8)
Location: PUMPKIN CENTER
Magnitude: 43.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Social Media

Received a public report through Social Media that showed a building under construction damaged by thunderstorm wind gusts near State Route 99 and Berkshire Rd. in Bakersfield.

Debris Flow in KERN, CALIFORNIA
From 03-SEP-17 18:17:00 to 03-SEP-17 19:17:00 (PST-8)
Location: VENOLA
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported State Route 99 was closed in both directions for about an hour due to power poles downed by thunderstorm wind gusts and a mud slide onto the road near Panama Lane in Bakersfield.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 18:30:00 to 03-SEP-17 18:30:00 (PST-8)
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a power pole leaning due to dust storm winds at Ave. 232 and Rd. 56 west of Tulare.

Dust Storm in SE S.J. VALLEY, CALIFORNIA
From 03-SEP-17 18:37:00 to 03-SEP-17 18:37:00 (PST-8)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported power lines and power poles downed for dust storm winds on Stockdale Highway near Nord Ave. west of Bakersfield.

Dust Storm in SW S.J. VALLEY, CALIFORNIA
From 03-SEP-17 18:58:00 to 03-SEP-17 18:58:00 (PST-8)
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported a tree downed by dust storm winds near 14th Ave. and Iona Ave. south of Armona.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 16:19:00 to 03-SEP-17 16:19:00 (PST-8)
Location: WEED PATCH
Magnitude: 43.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported power lines were downed by thunderstorm winds across the northbound lanes of State Route 184 near Sunset Blvd 3 miles south of Lamont.

Thunderstorm Wind in KERN, CALIFORNIA
From 03-SEP-17 16:31:00 to 03-SEP-17 16:31:00 (PST-8)
Location: CLARAVILLE
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

California Highway Patrol reported tree branches downed from thunderstorm wind gusts 13 ENE Keene.