Alert archive / California / Flash Flood Warnings / 2022

Flash Flood Warnings in California, September 2022

72 flash flood warnings in September 2022. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in September 2022. Tap one for its archive.

Flash Flood Warnings: 72
Busiest day: September 12, 202220 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Sep 3, 2:43 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Orange	3 hr
Sep 3, 3:38 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 3, 4:28 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 4, 2:01 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 9, 10:29 AM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	5 hr
Sep 9, 11:24 AM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Sep 9, 12:06 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Sep 9, 1:01 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	3 hr
Sep 9, 1:22 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	2 hr
Sep 9, 2:17 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	5 hr
Sep 9, 3:07 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Sep 9, 3:26 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Diego	3 hr
Sep 9, 4:10 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	5 hr
Sep 9, 7:28 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	3 hr
Sep 9, 7:39 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	3 hr
Sep 10, 9:11 AM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial, Riverside	3 hr
Sep 10, 1:04 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 10, 2:14 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 10, 3:36 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 10, 4:05 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	4 hr
Sep 10, 5:22 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 10, 6:14 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	46 min
Sep 11, 2:07 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Sep 11, 2:27 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	3 hr
Sep 11, 3:18 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 11, 3:29 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside, San Bernardino	3 hr
Sep 11, 3:33 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 11, 4:04 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 11, 4:37 PM PDT	Flash Flood Warning	LOX	Santa Barbara	2 hr
Sep 11, 5:09 PM PDT	Flash Flood Warning	LOX	Santa Barbara	2 hr
Sep 11, 5:24 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Orange, Riverside	3 hr
Sep 11, 5:59 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 11, 6:10 PM PDT	Flash Flood Warning	SGX	San Bernardino	3 hr
Sep 11, 6:44 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 11, 6:56 PM PDT	Flash Flood Warning	LOX	Los Angeles	2 hr
Sep 11, 7:18 PM PDT	Flash Flood Warning	LOX	Los Angeles	87 min
Sep 11, 7:46 PM PDT	Flash Flood Warning Considerable damage threat	LOX	Los Angeles	104 min
Sep 11, 7:50 PM PDT	Flash Flood Warning	LOX	Los Angeles, Ventura	3 hr
Sep 12, 11:54 AM PDT	Flash Flood Warning	HNX	Kern	3 hr
Sep 12, 1:11 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo, San Bernardino	3 hr
Sep 12, 1:27 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	5 hr
Sep 12, 1:54 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 12, 1:54 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 12, 2:37 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	3 hr
Sep 12, 2:55 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 12, 3:06 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 12, 3:51 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 12, 4:03 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 12, 4:43 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	3 hr
Sep 12, 5:25 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 12, 5:48 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	2 hr
Sep 12, 6:11 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 12, 7:31 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 13, 1:30 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	5 hr
Sep 13, 2:37 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 13, 3:24 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 13, 3:35 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 13, 4:31 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 13, 5:14 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 13, 6:34 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Sep 19, 6:14 PM PDT	Flash Flood Warning Considerable damage threat	STO	Yolo	3 hr
Sep 20, 5:48 PM PDT	Flash Flood Warning	MFR	Siskiyou	57 min
Sep 23, 4:11 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Sep 23, 4:55 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Sep 24, 5:15 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside, San Bernardino	3 hr
Sep 28, 12:05 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside, San Bernardino	4 hr
Sep 28, 12:05 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 28, 1:18 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Sep 28, 2:59 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr
Sep 28, 3:25 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr
Sep 28, 4:23 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	82 min
Sep 29, 2:06 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	114 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2021 2023

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.