Alert archive / California / Riverside County / Winter Storm Warnings

Winter Storm Warnings in Riverside County, California, 2021

8 winter storm warnings in 2021. An alert counts here when it covered this county. The archive of winter storm warnings reaches back to 2005.

Riverside County and its neighbors

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

Winter Storm Warnings
8
Busiest month
December5 winter storm warnings
Busiest day
January 24, 20211 winter storm 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.

IssuedProductOfficeLasted
Jan 24, 10:12 AM PSTWinter Storm WarningSGX44 hr
Jan 27, 12:58 PM PSTWinter Storm WarningSGX50 hr
Mar 8, 5:45 PM PSTWinter Storm WarningSGX4 days
Dec 13, 3:53 AM PSTWinter Storm WarningSGX44 hr
Dec 23, 10:03 PM PSTWinter Storm WarningSGX14 hr
Dec 24, 9:00 PM PSTWinter Storm WarningSGX32 hr
Dec 26, 1:40 PM PSTWinter Storm WarningSGX37 hr
Dec 28, 1:26 PM PSTWinter Storm WarningSGX55 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

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.