Weather alerts in California, 1990
76 weather alerts in 1990, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1990. Tap one for its archive.
- Alerts
- 76
- Warnings
- 76
- Watches
- 0
- Advisories
- 0
- Busiest month
- July33 alerts
- Busiest day
- August 12, 199015 alerts
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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 12:02 PM PST | Tornado Warning | SGX | San Diego | 58 min |
| Apr 23, 5:09 PM PDT | Flash Flood Warning | STO | Amador, El Dorado, Sacramento | 66 min |
| Apr 23, 5:09 PM PDT | Severe Thunderstorm Warning | STO | Amador, El Dorado, Sacramento | 66 min |
| May 28, 2:03 AM PDT | Flash Flood Warning | HNX | Kings | 117 min |
| Jun 9, 2:20 PM PDT | Flash Flood Warning | SGX | San Diego | 55 min |
| Jun 9, 3:12 PM PDT | Flash Flood Warning | SGX | Imperial | 63 min |
| Jul 13, 4:44 PM PDT | Flash Flood Warning | HNX | Fresno, Madera | 116 min |
| Jul 13, 6:25 PM PDT | Flash Flood Warning | HNX | Mariposa | 3 hr |
| Jul 13, 9:36 PM PDT | Flash Flood Warning | LOX | San Bernardino | 3 hr |
| Jul 13, 9:36 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 3 hr |
| Jul 13, 11:05 PM PDT | Flash Flood Warning | LOX | San Bernardino | 115 min |
| Jul 13, 11:05 PM PDT | Flash Flood Warning | LOX | Riverside | 115 min |
| Jul 13, 11:05 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 115 min |
| Jul 13, 11:05 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 115 min |
| Jul 14, 1:00 AM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Jul 14, 1:00 AM PDT | Flash Flood Warning | LOX | Riverside | 2 hr |
| Jul 14, 1:00 AM PDT | Severe Thunderstorm Warning | LOX | Riverside | 2 hr |
| Jul 14, 1:00 AM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 2 hr |
| Jul 14, 5:08 PM PDT | Flash Flood Warning | SGX | Imperial | 67 min |
| Jul 14, 7:17 PM PDT | Flash Flood Warning | SGX | Imperial | 58 min |
| Jul 14, 10:02 PM PDT | Flash Flood Warning | LOX | San Bernardino | 118 min |
| Jul 14, 10:02 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 118 min |
| Jul 14, 10:02 PM PDT | Flash Flood Warning | VEF | Inyo | 118 min |
| Jul 14, 10:02 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 118 min |
| Jul 14, 11:50 PM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Jul 14, 11:50 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Jul 14, 11:50 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 2 hr |
| Jul 15, 12:20 AM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 100 min |
| Jul 15, 1:40 AM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Jul 15, 1:40 AM PDT | Flash Flood Warning | LOX | Riverside | 2 hr |
| Jul 15, 1:40 AM PDT | Severe Thunderstorm Warning | LOX | Riverside | 2 hr |
| Jul 15, 1:40 AM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 2 hr |
| Jul 16, 4:48 AM PDT | Flash Flood Warning | LOX | San Bernardino | 92 min |
| Jul 16, 4:48 AM PDT | Flash Flood Warning | VEF | Inyo | 57 min |
| Jul 16, 3:40 PM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Jul 16, 4:49 PM PDT | Flash Flood Warning | LOX | San Bernardino | 116 min |
| Jul 16, 4:49 PM PDT | Flash Flood Warning | LOX | Riverside | 116 min |
| Jul 18, 6:44 PM PDT | Severe Thunderstorm Warning | STO | Siskiyou, Trinity | 2 hr |
| Jul 18, 6:44 PM PDT | Severe Thunderstorm Warning | STO | Shasta | 2 hr |
| Aug 5, 6:05 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 105 min |
| Aug 5, 9:33 PM PDT | Severe Thunderstorm Warning | SGX | Imperial | 117 min |
| Aug 6, 3:10 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 3 hr |
| Aug 6, 5:50 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 2 hr |
| Aug 6, 8:00 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 55 min |
| Aug 6, 8:00 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 55 min |
| Aug 7, 4:09 PM PDT | Severe Thunderstorm Warning | STO | Nevada, Sierra | 2 hr |
| Aug 7, 4:09 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Placer | 2 hr |
| Aug 11, 7:33 PM PDT | Flash Flood Warning | SGX | Imperial | 117 min |
| Aug 11, 7:33 PM PDT | Severe Thunderstorm Warning | SGX | Imperial | 117 min |
| Aug 11, 7:50 PM PDT | Flash Flood Warning | LOX | Riverside | 100 min |
| Aug 11, 7:50 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 100 min |
| Aug 11, 8:15 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 75 min |
| Aug 11, 8:15 PM PDT | Severe Thunderstorm Warning | SGX | Imperial | 75 min |
| Aug 11, 9:35 PM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Aug 11, 9:35 PM PDT | Flash Flood Warning | LOX | Riverside | 2 hr |
| Aug 11, 9:35 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 2 hr |
| Aug 11, 9:35 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 2 hr |
| Aug 11, 11:30 PM PDT | Flash Flood Warning | LOX | San Bernardino | 90 min |
| Aug 11, 11:30 PM PDT | Flash Flood Warning | LOX | Riverside | 90 min |
| Aug 11, 11:30 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 90 min |
| Aug 11, 11:30 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 90 min |
| Aug 12, 2:58 PM PDT | Flash Flood Warning | SGX | San Diego | 62 min |
| Aug 14, 5:12 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 48 min |
| Aug 14, 5:36 PM PDT | Flash Flood Warning | VEF | Inyo | 84 min |
| Aug 14, 6:05 PM PDT | Tornado Warning | LOX | San Bernardino | 55 min |
| Aug 14, 6:50 PM PDT | Flash Flood Warning | LOX | San Bernardino | 70 min |
| Aug 14, 7:01 PM PDT | Severe Thunderstorm Warning | SGX | Imperial | 119 min |
| Sep 22, 4:17 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 58 min |
| Sep 22, 4:31 PM PDT | Flash Flood Warning | LOX | San Luis Obispo | 59 min |
| Sep 22, 5:37 PM PDT | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 2 hr |
| Sep 22, 8:10 PM PDT | Flash Flood Warning | HNX | Fresno, Kings | 80 min |
| Sep 23, 6:30 PM PDT | Severe Thunderstorm Warning | STO | Siskiyou | 3 hr |
| Sep 23, 6:30 PM PDT | Severe Thunderstorm Warning | STO | Shasta, Tehama | 3 hr |
| Sep 23, 6:30 PM PDT | Severe Thunderstorm Warning | STO | Trinity | 4 hr |
| Sep 27, 8:02 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 58 min |
| Oct 1, 4:45 PM PDT | Flash Flood Warning | SGX | Imperial | 60 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 35 |
| Tornado Warning | 2 |
| Flooding | |
| Flash Flood Warning | 39 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County25
- Riverside County15
- Imperial County9
- Inyo County7
- San Diego County3
- El Dorado County3
- Santa Barbara County3
- Amador County2
- Sacramento County2
- Kings County2
- Fresno County2
- Siskiyou County2
- Trinity County2
- Shasta County2
- San Luis Obispo County2
- Madera County1
- Mariposa County1
- Nevada County1
- Sierra County1
- Placer County1
- Tehama County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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.