Alert archive / California / Tornado Warnings

Tornado Warnings in California, 1987

4 tornado warnings in 1987. 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 1987. Tap one for its archive.

Tornado Warnings
4
Busiest month
March2 tornado warnings
Busiest day
March 14, 19872 tornado 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.

IssuedProductOfficeCountiesLasted
Mar 14, 2:25 PM PSTTornado WarningSTOButte65 min
Mar 14, 3:15 PM PSTTornado WarningSTOButte, Glenn, Tehama105 min
May 16, 2:32 PM PDTTornado WarningSTOLassen, Modoc88 min
Jul 27, 5:44 PM PDTTornado WarningLOXSan Bernardino40 min

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive19861988

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.