Alert archive / California / Flash Flood Warnings / 2020

Flash Flood Warnings in California, March 2020

24 flash flood warnings in March 2020. 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 March 2020. Tap one for its archive.

Flash Flood Warnings: 24
Busiest day: March 12, 202013 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
Mar 10, 4:56 PM PDT	Flash Flood Warning	LOX	San Luis Obispo	109 min
Mar 10, 5:57 PM PDT	Flash Flood Warning	HNX	Kern	57 min
Mar 10, 6:38 PM PDT	Flash Flood Warning	HNX	Kern	3 hr
Mar 10, 6:50 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Mar 10, 8:09 PM PDT	Flash Flood Warning	HNX	Kern	3 hr
Mar 10, 9:39 PM PDT	Flash Flood Warning	HNX	Kern	111 min
Mar 11, 2:57 PM PDT	Flash Flood Warning	HNX	Fresno	2 hr
Mar 12, 11:54 AM PDT	Flash Flood Warning	SGX	San Diego	3 hr
Mar 12, 12:59 PM PDT	Flash Flood Warning	SGX	Riverside	3 hr
Mar 12, 1:32 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Mar 12, 2:22 PM PDT	Flash Flood Warning	SGX	Orange, Riverside, San Bernardino	3 hr
Mar 12, 2:45 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial, Riverside	4 hr
Mar 12, 2:54 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	2 hr
Mar 12, 3:26 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Mar 12, 3:42 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Mar 12, 4:07 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	4 hr
Mar 12, 4:23 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial, Riverside	4 hr
Mar 12, 4:32 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Mar 12, 4:42 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	4 hr
Mar 12, 4:51 PM PDT	Flash Flood Warning	SGX	San Bernardino	3 hr
Mar 12, 5:01 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	3 hr
Mar 12, 5:45 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial, Riverside	4 hr
Mar 12, 6:48 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Imperial	4 hr
Mar 16, 1:57 PM PDT	Flash Flood Warning	LOX	Santa Barbara	93 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 2019 2021

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.