A slow moving moisture laden low pressure system moving across central California over the southern San Joaquin Valley produced thunderstorms and heavy rain. The slow movement of the parent system allowed for slow moving thunderstorms and heavy rain cells which created nuisance and street flooding in the southern San Joaquin Valley.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HNX wrote it up.
A slow moving moisture laden low pressure system moving across central California over the southern San Joaquin Valley produced thunderstorms and heavy rain. The slow movement of the parent system allowed for slow moving thunderstorms and heavy rain cells which created nuisance and street flooding in the southern San Joaquin Valley.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Hanford, CA wrote its last area forecast discussion before the first event at Apr 9, 2:29 PM PST, 3 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 329 PM PDT SAT APR 9 2016 .SYNOPSIS... A SERIES OF PACIFIC STORM SYSTEMS WILL MOVE INLAND ACROSS CALIFORNIA DURING THE NEXT SEVERAL DAYS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED ACROSS THE CENTRAL CALIFORNIA INTERIOR THROUGH THE WEEKEND WITH SNOW OVER THE HIGH SIERRA. TEMPERATURES WILL LOWER TO SEASONABLE LEVELS WITH LITTLE DAY TO DAY CHANGE THROUGH EARLY NEXT WEEK. && .DISCUSSION... HEAVY RAIN FELL IN THE CENTRAL VALLEY OVERNIGHT INTO THIS MORNING AS AN UPPER TROUGH MOVED THROUGH THE DISTRICT. SOME LIGHT CONTINUES OVER MARIPOSA AND MERCED COUNTIES ALONG A REMNANT BOUNDARY. RADAR RAINFALL ESTIMATES SHOW WIDESPREAD AMOUNTS OF 1-2 INCHES OVER MARIPOSA...MADERA AND W MERCED COUNTIES. ADDITIONAL SHOWERS HAVE BEEN DEVELOPING THIS AFTERNOON ALONG THE TEMBLOR AND TEHACHAPI MOUNTAINS. THE ATMOSPHERE REMAINS UNSTABLE WITH PRECIPITABLE WATER VALUES OF 200 PERCENT ABOVE NORMAL. CONVECTIVE STORMS SHOULD CONTINUE TO DEVELOP OVER THE MOUNTAINS THROUGH THE LATE AFTERNOON. THE FOCUS OF STORM ACTIVITY WILL SHIFT TOWARDS THE KERN COUNTY AREA TONIGHT AS AN UPPER TROUGH OFF THE COAST APPROACHES SOUTH CALIFORNIA. MODELS PROG THE HEAVIER RAIN AMOUNTS OVER HALF AN INCH TOWARDS SANTA BARBARA MOUNTAINS AND SOUTHWEST PORTIONS OF KERN COUNTY. CONVECTIVE STORM THREAT WILL CONTINUE SUNDAY AFTERNOON MAINLY OVER THE MOUNTAINS AS THE ATMOSPHERE REMAINS MOIST AND UNSTABLE. MODELS PLACE THE UPPER LOW NEAR THE FOUR CORNERS AREA LATE SUNDAY NIGHT...THEN SHOW ANOTHER SECONDARY UPPER LOW MOVING WELL OFF THE CALIFORNIA COAST AT AROUND THE SAME TIME. A BRIEF QUIET PERIOD WILL BE CUT SHORT AS ADDITIONAL PRECIPITATION MOVES INTO THE AREA ON MONDAY. THE BEST DYNAMIC LIFT WILL BE TOWARDS SCAL AND KERN COUNTY WITH POSSIBLE THUNDERSTORMS IN THE AFTERNOON. IN ADDITION...THE UPPER LOW WILL BE PROGRESSIVE AND HAVE A SHORTER DURATION OF PRECIPITATION WITH UNSETTLED CONDITIONS DIMINISHING MONDAY NIGHT. DRY CONDITIONS WILL EXIST OVER CENTRAL CALIFORNIA ON TUESDAY AND FOR PART OF WEDNESDAY. THIS UPPER LOW WILL OPEN THE DOOR FOR A TROF TO DROP DOWN FROM THE GULF OF ALASKA FOR MORE UNSETTLE CONDITIONS LATER ON WEDNESDAY. THIS GULF OF ALASKA STORM WILL BE MUCH COLDER WITH LOWER SNOW LEVELS THEN THE CURRENT STORM. WHILE MODELS ARE SLIGHTLY UNCERTAIN ON THE TIMING OF THE MID-WEEK STORM...CONFIDENCE IS GROWING THAT A TROF WILL TRACK ACROSS CENTRAL CALIFORNIA AROUND MID-WEEK. && .AVIATION... WIDESPREAD MOUNTAIN OBSCURATIONS WILL PREVAIL WITH CLOUDS/SHOWERS. WIDESPREAD MVFR WITH LOCAL IFR CONDITIONS IN SHOWERS OVER THE SAN JOAQUIN VALLEY. ISOLATED THUNDERSTORMS POSSIBLE. LOCAL MVFR/IFR POSSIBLE OVER THE DESERT WITH ANY SHOWERS/TSTORMS && .AIR QUALITY ISSUES... NONE. && .CERTAINTY... THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS MEDIUM. THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM. CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT WWW.WEATHER.GOV/HNX/CERTAINTY.PHP FOR ADDITIONAL INFORMATION AN/OR TO PROVIDE FEEDBACK. && .HNX WATCHES/WARNINGS/ADVISORIES... NONE. && PUBLIC...MV AVN/FW...ROWE PREV DISCUSSION...MOLINA SYNOPSIS...WP WEATHER.GOV/HANFORD
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 414 PM PDT SAT APR 9 2016 CAZ092-092345- SOUTHEASTERN SAN JOAQUIN VALLEY CA- 414 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL KERN COUNTY UNTIL 445 PM PDT AT 413 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ARVIN...OR 15 MILES SOUTHEAST OF BAKERSFIELD...MOVING NORTHWEST AT 5 MPH. DIME SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... BAKERSFIELD...ARVIN...WEEDPATCH AND LAMONT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3515 11880 3511 11891 3520 11903 3530 11884 TIME...MOT...LOC 2313Z 139DEG 6KT 3515 11889 SROWE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 418 PM PDT SAT APR 9 2016 CAZ091-100000- SOUTHWESTERN SAN JOAQUIN VALLEY CA- 418 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... WESTERN KERN COUNTY UNTIL 500 PM PDT... AT 416 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 18 MILES NORTHEAST OF CALIFORNIA VALLEY...OR 35 MILES SOUTHWEST OF DELANO. THIS STORM WAS NEARLY STATIONARY. WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... BELRIDGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3560 11969 3549 11969 3547 11993 3560 11994 TIME...MOT...LOC 2316Z 047DEG 0KT 3555 11983 SROWE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 433 PM PDT SAT APR 9 2016 CAZ091-100015- SOUTHWESTERN SAN JOAQUIN VALLEY CA- 433 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... SOUTHWESTERN KINGS COUNTY UNTIL 515 PM PDT AT 429 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING A COUPLE OF THUNDERSTORMS IN THE VICINITY OF AVENAL. THE STORMS WERE SHOWING LITTLE MOVEMENT BUT WILL DRIFT SLOWLY EASTWARD TOWARD 1-5 DURING THE NEXT 30 MINUTES. IN ADDITION TO DANGEROUS LIGHTNING...THUNDERSTORMS CAN BRING SMALL HAIL AND GUSTY WINDS. VERY HEAVY RAIN IS OCCURING WITH THESE THUNDERSTORMS AND FLOODING IS POSSIBLE. ROADS AFFECTED INCLUDE HIGHWAY 33 AND INTERSTATE 5. LOCATIONS IMPACTED INCLUDE... AVENAL AND KETTLEMAN HILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3579 12018 3593 12022 3604 12005 3593 11992 TIME...MOT...LOC 2329Z 240DEG 49KT 3641 11907 KD
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 433 PM PDT SAT APR 9 2016 CAZ092-100015- SOUTHEASTERN SAN JOAQUIN VALLEY CA- 433 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... WESTERN KERN COUNTY UNTIL 515 PM PDT... AT 432 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ROSEDALE...OR 9 MILES WEST OF BAKERSFIELD. THIS STORM WAS NEARLY STATIONARY. WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... BAKERSFIELD...ROSEDALE AND OILDALE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3529 11904 3529 11929 3544 11933 3544 11897 TIME...MOT...LOC 2332Z 184DEG 1KT 3534 11918 SROWE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 448 PM PDT SAT APR 9 2016 CAZ091-092-100030- SOUTHWESTERN SAN JOAQUIN VALLEY CA- SOUTHEASTERN SAN JOAQUIN VALLEY CA- 448 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL KERN COUNTY UNTIL 530 PM PDT... AT 447 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR DERBY ACRES...OR 29 MILES WEST OF BAKERSFIELD. THIS STORM WAS NEARLY STATIONARY. HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... HARRIS RANCH AND BUTTONWILLOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3525 11940 3524 11957 3540 11961 3541 11936 TIME...MOT...LOC 2347Z 184DEG 1KT 3528 11952 SROWE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 628 PM PDT SAT APR 9 2016 CAZ092-095-100215- KERN COUNTY MOUNTAINS CA-SOUTHEASTERN SAN JOAQUIN VALLEY CA- 628 PM PDT SAT APR 9 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... NORTH CENTRAL KERN COUNTY UNTIL 715 PM PDT AT 625 PM PDT...DOPPLER RADAR WAS TRACKING A COUPLE OF STRONG THUNDERSTORM ABOUT 5 MILES SOUTHEAST OF MCFARLAND. MOVEMENT WAS TO THE NORTHWEST AT 8 MPH. IN ADDITION TO DANGEROUS LIGHTNING...VERY HEAVY RAIN IS LIKELY WITH THESE STORMS WITH POSSIBLE FLOODING. SMALL HAIL AND GUSTY WINDS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3549 11905 3572 11919 3577 11895 3558 11874 TIME...MOT...LOC 0125Z 278DEG 50KT 3556 11891 KD
The national radar mosaic for the moment the first event began.
3 heavy rain. Local standard time, as filed.
Reports of nuisance flooding and street ponding were submitted via Facebook of flooding in Shafter California in Kern County at approximately 2020 PST.
Reports were submitted by California Highway Patrol of nuisance and street ponding northeast of Cawelo California near State Route 65 and Famoso Road at 2059 PST in Kern County.
Numerous reports of nuisance flooding and street ponding were submitted by local law enforcement and California Highway Patrol in Bakersfield between April 9th at 2100 PST and April 10th 0000 PST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2016Every state in 2016This day in weather historyWarnings in California, April 2016
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 633353, 633357, 633376.