Alert archive / California / Riverside County / Flash Flood Warnings

Flash Flood Warnings in Riverside County, California, 2021

42 flash flood warnings in 2021. An alert counts here when it covered this county. The archive of flash flood warnings reaches back to 1986.

Riverside County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Flash Flood Warnings: 42
Busiest month: July19 flash flood warnings
Busiest day: July 25, 20215 flash flood warnings

Over time

By month

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	Lasted
Jun 23, 5:33 PM PDT	Flash Flood Warning Considerable damage threat	PSR	2 hr
Jun 23, 7:16 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 22, 4:23 PM PDT	Flash Flood Warning Considerable damage threat	SGX	2 hr
Jul 25, 12:14 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 25, 1:12 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 25, 2:34 PM PDT	Flash Flood Warning Considerable damage threat	PSR	7 hr
Jul 25, 3:20 PM PDT	Flash Flood Warning Considerable damage threat	PSR	5 hr
Jul 25, 4:18 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 25, 6:13 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 25, 6:35 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 26, 3:29 AM PDT	Flash Flood Warning Considerable damage threat	SGX	3 hr
Jul 26, 3:36 AM PDT	Flash Flood Warning Considerable damage threat	PSR	6 hr
Jul 28, 1:20 PM PDT	Flash Flood Warning Considerable damage threat	PSR	3 hr
Jul 28, 2:42 PM PDT	Flash Flood Warning Considerable damage threat	PSR	2 hr
Jul 30, 2:38 PM PDT	Flash Flood Warning	SGX	2 hr
Jul 30, 3:48 PM PDT	Flash Flood Warning Considerable damage threat	SGX	3 hr
Jul 30, 3:55 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 30, 5:24 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 30, 5:52 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 30, 6:49 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Jul 31, 4:48 PM PDT	Flash Flood Warning Considerable damage threat	PSR	3 hr
Aug 9, 2:38 PM PDT	Flash Flood Warning Considerable damage threat	PSR	3 hr
Aug 10, 7:33 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Aug 10, 9:08 PM PDT	Flash Flood Warning Considerable damage threat	PSR	6 hr
Aug 10, 9:54 PM PDT	Flash Flood Warning Considerable damage threat	PSR	86 min
Aug 10, 11:27 PM PDT	Flash Flood Warning Considerable damage threat	SGX	3 hr
Aug 29, 1:18 PM PDT	Flash Flood Warning Considerable damage threat	SGX	3 hr
Aug 29, 4:29 PM PDT	Flash Flood Warning Considerable damage threat	PSR	3 hr
Aug 30, 5:14 PM PDT	Flash Flood Warning Considerable damage threat	PSR	4 hr
Aug 30, 8:13 PM PDT	Flash Flood Warning Considerable damage threat	PSR	50 min
Aug 30, 8:18 PM PDT	Flash Flood Warning Considerable damage threat	SGX	37 min
Aug 30, 9:06 PM PDT	Flash Flood Warning Considerable damage threat	PSR	5 hr
Aug 31, 1:24 PM PDT	Flash Flood Warning Considerable damage threat	PSR	13 hr
Aug 31, 5:12 PM PDT	Flash Flood Warning Considerable damage threat	PSR	6 hr
Aug 31, 5:44 PM PDT	Flash Flood Warning Considerable damage threat	SGX	96 min
Aug 31, 5:58 PM PDT	Flash Flood Warning Considerable damage threat	PSR	8 hr
Sep 9, 3:29 PM PDT	Flash Flood Warning Considerable damage threat	SGX	2 hr
Sep 9, 4:33 PM PDT	Flash Flood Warning Considerable damage threat	SGX	88 min
Sep 9, 5:47 PM PDT	Flash Flood Warning Considerable damage threat	PSR	3 hr
Sep 17, 3:33 PM PDT	Flash Flood Warning Considerable damage threat	PSR	5 hr
Dec 14, 1:27 PM PST	Flash Flood Warning Considerable damage threat	SGX	108 min
Dec 24, 1:17 AM PST	Flash Flood Warning Considerable damage threat	SGX	3 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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.