Heavy Rain, Kern
- When
- September 12, 11:34 AM PST to 12:04 PM PST
- Where
- Kern County, 8.8 mi WSW of Cable
- Reported by
- Public
- Coordinates
- 35.080, -118.630
A privately owned rain gage in Stallion Springs measured 1.14 inches of rainfall in 30 minutes.
Flooding and Heavy Rain in California, September 12, 2022
Moisture from Tropical Storm Kay which surged northward into central California on September 10 remained over our area as steering currents over the region became weak. This allowed for scattered slow moving showers and thunderstorms to develop over the area during the afternoon of September 12.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
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.
What happened
The episode as NWS HNX wrote it up.
Moisture from Tropical Storm Kay which surged northward into central California on September 10 remained over our area as steering currents over the region became weak. This allowed for scattered slow moving showers and thunderstorms to develop over the area during the afternoon of September 12. While rainfall amounts were once again generally light, several stations the Sierra Nevada, Tehachapi Mountains and the desert areas in Kern County picked up between a tenth and a third of an inch of rainfall. A few thunderstorms did produce locally heavier rainfall amounts and resulted in roadway flooding in the Tehachapi area.
What forecasters said that day
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 Sep 12, 1:39 AM PST, 9 hours 55 minutes earlier.
Area forecast discussion, Sep 12, 1:39 AM PST, 9 hours 55 minutes before
Area Forecast Discussion National Weather Service Hanford CA 239 AM PDT Mon Sep 12 2022 .SYNOPSIS... Cooler temperatures will be the main story for this week. Showers and thunderstorms possible in the Sierra Nevada, the Kern County desert and mountain areas and portions of the southern San Joaquin Valley Monday afternoon before being restricted to the Sierra Nevada on Tuesday afternoon. && .DISCUSSION... The cooler temperatures we experienced this past weekend after the long stretch of excessive triple digits is only the beginning of a change as Autumn nears. Both GEFS and European Model ensembles are in agreement that the flow in the upper level of the atmospheres will be an onshore flow which will bring in cooler air from the Pacific. Both ensembles also agree that there will be multiple troughs through the week. This shift will help bring temperatures down to where Wednesday and Thursday will be the coolest days with 80s across the San Joaquin Valley and even some 80s are forecast to pop up in the Kern County desert. The temperatures will be below average for Wednesday through Friday. The remaining moisture from the remnants of Hurricane Kay will decrease Monday especially with the shift in winds. The decrease in moisture will lead to a reduction of thunderstorms and showers to only be in the SIerra Nevada Tuesday and Wednesday afternoon. Monday will be the only day this week with any probabilities of triple digit heat as Fresno, Hanford, and Lemoore all will have around 10 percent chance. Otherwise, the rest of the San Joaquin Valley will have a near 0 chance on Monday and the entire valley will have a near 0 chance of triple digits the rest of the week. In addition, the probabilities of temperatures hitting at least 95 in the San Joaquin Valley will be very low after Monday. On Monday, Fresno, Hanford, and Lemoore will have around 55 to 60 percent chance of having high temperatures of at least 95 degrees. The rest of the valley will be between 30 and 50 percent chance of highs of at least 95 degrees. && .AVIATION... VFR conditions will prevail in Central California through at least the next 24 hours. However, MVFR and even IFR conditions are possible due to the showers and thunderstorms in the afternoon especially over the Sierra Nevada and the Kern County Desert and Mountain areas. && .AIR QUALITY ISSUES... ISSUED: 09/11/2022 15:52 EXPIRES: 09/12/2022 23:59 None. && .CERTAINTY... The level of certainty for days 1 and 2 is high. 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.html for additional information an/or to provide feedback. && .HNX WATCHES/WARNINGS/ADVISORIES... None. && JPK weather.gov/hanford
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 heavy rain, 2 flood. Local standard time, as filed.
Flood, Kern
- When
- September 12, 11:59 AM PST to 2:59 PM PST
- Where
- Kern County, 1.19 mi NW of Eric to 1.21 mi NW of Eric
- Cause
- Heavy Rain
- Reported by
- Law Enforcement
- Coordinates
- 35.142, -118.315
California Highway Patrol reported 8 vehicles were stuck behind roadway flooding at the intersection of Sand Canyon Rd. and Pine Canyon Rd. east of Tehachapi.
Flood, Kern
- When
- September 12, 12:03 PM PST to 3:03 PM PST
- Where
- Kern County, 6.29 mi WSW of Cable to 6.35 mi WSW of Cable
- Cause
- Heavy Rain
- Reported by
- Social Media
- Coordinates
- 35.110, -118.600
Reports posted on Facebook showing flooded roadways in Stallion Springs.
Heavy Rain, Madera
- When
- September 12, 12:19 PM PST to 2:19 PM PST
- Where
- Madera County, 9.81 mi WSW of Devil'S Postpile N.M.
- Reported by
- RAWS
- Coordinates
- 37.569, -119.247
The Green Mountain RAWS measured 0.66 inches of rainfall in 2 hours from strong thunderstorm which produced heavy rainfall.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flooding in California, September 12, 2022
- Damaging Winds in North Carolina, September 12, 2022
- High Surf in Hawaii, September 12 to 13, 2022
- Flash Flooding and Debris Flow in Nevada, September 12, 2022
- Flash Flood in New Mexico, September 12, 2022
- Coastal Flood in Florida, September 12, 2022
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, September 12, 2022
- Flash Flood and Flooding in Maryland, September 12, 2022
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 12, 2022
- Flash Flooding in Arizona, September 12, 2022
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 12, 2022
- Dense Smoke in Nevada, September 12 to 18, 2022
More
Every storm in California in 2022Every state in 2022This day in weather historyWarnings in California, September 2022
Sources
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: 1045798, 1045796, 1045797, 1045805.