Alert archive / California / Flash Flood Warnings / 2021

Flash Flood Warnings in California, July 2021

73 flash flood warnings in July 2021. 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 July 2021. Tap one for its archive.

Flash Flood Warnings: 73
Busiest day: July 26, 202115 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
Jul 14, 2:47 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 18, 3:17 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 18, 5:35 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 18, 6:44 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	31 min
Jul 18, 7:10 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 19, 2:42 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Jul 20, 4:45 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 20, 6:27 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 21, 12:13 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 21, 3:07 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	2 hr
Jul 21, 4:38 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 21, 5:18 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	2 hr
Jul 22, 3:45 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	2 hr
Jul 22, 4:18 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	117 min
Jul 22, 4:23 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	2 hr
Jul 22, 5:32 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Jul 25, 12:14 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 25, 1:12 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 25, 2:34 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	7 hr
Jul 25, 3:20 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	5 hr
Jul 25, 3:23 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Diego	112 min
Jul 25, 4:18 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 25, 6:13 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 25, 6:35 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 25, 6:54 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Jul 25, 6:59 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 25, 8:08 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Jul 25, 11:13 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo, San Bernardino	3 hr
Jul 26, 3:29 AM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Jul 26, 3:36 AM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	6 hr
Jul 26, 8:12 AM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 26, 10:44 AM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo, San Bernardino	3 hr
Jul 26, 11:36 AM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo, San Bernardino	3 hr
Jul 26, 12:29 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Jul 26, 12:51 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo, San Bernardino	3 hr
Jul 26, 1:12 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	4 hr
Jul 26, 3:17 PM PDT	Flash Flood Warning	REV	Alpine	62 min
Jul 27, 2:51 PM PDT	Flash Flood Warning	MFR	Siskiyou	9 hr
Jul 28, 1:20 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside, San Bernardino	3 hr
Jul 28, 1:21 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 28, 2:42 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	2 hr
Jul 28, 3:36 PM PDT	Flash Flood Warning	HNX	Fresno	67 min
Jul 28, 4:02 PM PDT	Flash Flood Warning	HNX	Fresno, Madera	58 min
Jul 28, 4:20 PM PDT	Flash Flood Warning	HNX	Madera, Tuolumne	55 min
Jul 28, 5:07 PM PDT	Flash Flood Warning	HNX	Madera, Mariposa, Tuolumne	3 min
Jul 28, 5:23 PM PDT	Flash Flood Warning	HNX	Madera, Mariposa, Tuolumne	82 min
Jul 29, 2:03 PM PDT	Flash Flood Warning	HNX	Madera, Mariposa	117 min
Jul 29, 3:21 PM PDT	Flash Flood Warning	HNX	Mariposa, Tuolumne	84 min
Jul 29, 3:46 PM PDT	Flash Flood Warning	HNX	Mariposa	119 min
Jul 29, 5:20 PM PDT	Flash Flood Warning Considerable damage threat	HNX	Madera	3 hr
Jul 30, 2:38 PM PDT	Flash Flood Warning	SGX	Riverside, San Diego	2 hr
Jul 30, 2:48 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 30, 2:52 PM PDT	Flash Flood Warning	HNX	Fresno, Madera	38 min
Jul 30, 3:11 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	5 hr
Jul 30, 3:30 PM PDT	Flash Flood Warning	HNX	Fresno, Madera, Mariposa	60 min
Jul 30, 3:48 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Jul 30, 3:55 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside, San Bernardino	4 hr
Jul 30, 3:56 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	5 hr
Jul 30, 4:02 PM PDT	Flash Flood Warning	HNX	Mariposa, Tuolumne	116 min
Jul 30, 4:07 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Jul 30, 4:33 PM PDT	Flash Flood Warning	HNX	Mariposa	57 min
Jul 30, 4:45 PM PDT	Flash Flood Warning	REV	Mono	3 hr
Jul 30, 5:02 PM PDT	Flash Flood Warning	EKA	Del Norte	118 min
Jul 30, 5:10 PM PDT	Flash Flood Warning	REV	Alpine	110 min
Jul 30, 5:24 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 30, 5:33 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Jul 30, 5:52 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Jul 30, 6:06 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Jul 30, 6:42 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	2 hr
Jul 30, 6:49 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial, Riverside	4 hr
Jul 31, 2:34 PM PDT	Flash Flood Warning Considerable damage threat	REV	Alpine, Mono	116 min
Jul 31, 4:08 PM PDT	Flash Flood Warning	HNX	Kern	2 hr
Jul 31, 4:48 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr

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 2020 2022

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. Rebuilt daily.