Alert archive / California / Severe Thunderstorm Warnings / 2015

Severe Thunderstorm Warnings in California, July 2015

64 severe thunderstorm warnings in July 2015. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in July 2015. Tap one for its archive.

Severe Thunderstorm Warnings: 64
Busiest day: July 21, 201511 severe thunderstorm 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
Jun 30, 10:40 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	50 min
Jul 1, 12:01 AM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	59 min
Jul 1, 4:19 PM PDT	Severe Thunderstorm Warning	REV	Alpine, Mono	41 min
Jul 1, 5:36 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera, Mariposa	24 min
Jul 2, 5:31 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	15 min
Jul 2, 5:52 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	23 min
Jul 3, 4:04 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	26 min
Jul 4, 5:36 PM PDT	Severe Thunderstorm Warning	EKA	Trinity	28 min
Jul 5, 1:52 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	38 min
Jul 5, 3:26 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	25 min
Jul 5, 3:52 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	23 min
Jul 5, 4:12 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	33 min
Jul 5, 5:42 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	33 min
Jul 5, 5:54 PM PDT	Severe Thunderstorm Warning	MFR	Modoc	36 min
Jul 5, 6:18 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	27 min
Jul 6, 2:31 PM PDT	Severe Thunderstorm Warning	REV	Alpine, Mono	44 min
Jul 6, 4:23 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	22 min
Jul 7, 2:10 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	35 min
Jul 7, 2:10 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Sierra	35 min
Jul 7, 2:49 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas, Sierra	41 min
Jul 7, 4:47 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	28 min
Jul 7, 5:04 PM PDT	Severe Thunderstorm Warning	STO	Plumas	41 min
Jul 7, 5:11 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	21 min
Jul 8, 12:23 PM PDT	Severe Thunderstorm Warning	STO	Alpine, Amador, El Dorado	24 min
Jul 8, 12:41 PM PDT	Severe Thunderstorm Warning	REV	Alpine, El Dorado, Placer	49 min
Jul 8, 1:02 PM PDT	Severe Thunderstorm Warning	REV	Plumas	28 min
Jul 8, 1:58 PM PDT	Severe Thunderstorm Warning	REV	Plumas	47 min
Jul 8, 2:33 PM PDT	Severe Thunderstorm Warning	STO	Plumas, Shasta, Tehama	42 min
Jul 8, 3:06 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Sierra	39 min
Jul 8, 4:24 PM PDT	Severe Thunderstorm Warning	REV	Lassen	36 min
Jul 8, 5:50 PM PDT	Severe Thunderstorm Warning	EKA	Trinity	40 min
Jul 9, 12:50 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Placer, Sierra	25 min
Jul 9, 1:56 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	49 min
Jul 9, 7:12 PM PDT	Severe Thunderstorm Warning	MFR	Modoc	33 min
Jul 16, 3:59 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Placer	46 min
Jul 17, 5:54 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	36 min
Jul 17, 10:27 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	48 min
Jul 18, 11:37 AM PDT	Severe Thunderstorm Warning	PSR	Riverside	38 min
Jul 18, 1:27 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	58 min
Jul 18, 1:43 PM PDT	Severe Thunderstorm Warning	PSR	Imperial	32 min
Jul 18, 1:44 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	61 min
Jul 19, 1:55 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	65 min
Jul 20, 3:41 PM PDT	Severe Thunderstorm Warning	STO	Alpine, Amador, Calaveras, El Dorado, Tuolumne	64 min
Jul 20, 5:16 PM PDT	Severe Thunderstorm Warning	STO	Plumas	29 min
Jul 20, 6:17 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	28 min
Jul 20, 6:42 PM PDT	Severe Thunderstorm Warning	STO	Sierra	27 min
Jul 20, 7:29 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	31 min
Jul 21, 12:51 PM PDT	Severe Thunderstorm Warning	REV	Alpine, El Dorado	39 min
Jul 21, 1:12 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Placer	48 min
Jul 21, 1:58 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Placer	47 min
Jul 21, 2:08 PM PDT	Severe Thunderstorm Warning	MFR	Modoc	22 min
Jul 21, 3:02 PM PDT	Severe Thunderstorm Warning	REV	Plumas	28 min
Jul 21, 3:36 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	54 min
Jul 21, 3:46 PM PDT	Severe Thunderstorm Warning	REV	El Dorado, Placer	44 min
Jul 29, 3:40 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	65 min
Jul 29, 4:50 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	25 min
Jul 29, 5:23 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	52 min
Jul 29, 5:34 PM PDT	Severe Thunderstorm Warning	SGX	San Bernardino	34 min
Jul 29, 5:49 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	41 min
Jul 30, 3:02 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	58 min
Jul 30, 3:12 PM PDT	Severe Thunderstorm Warning	LOX	Los Angeles, Ventura	48 min
Jul 30, 3:20 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	55 min
Jul 30, 3:52 PM PDT	Severe Thunderstorm Warning	LOX	Ventura	53 min
Jul 30, 4:59 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Bernardino	61 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 2014 2016

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.