Weather alerts in California, 1991
46 weather alerts in 1991, 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 1991. Tap one for its archive.
- Alerts
- 46
- Warnings
- 46
- Watches
- 0
- Advisories
- 0
- Busiest month
- March22 alerts
- Busiest day
- September 20, 19918 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 |
|---|---|---|---|---|
| Feb 27, 9:46 PM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Feb 28, 1:02 AM PST | Flash Flood Warning | HNX | Kern | 58 min |
| Feb 28, 4:38 PM PST | Tornado Warning | HNX | Fresno, Kings, Tulare | 67 min |
| Mar 18, 7:04 PM PST | Flash Flood Warning | LOX | Santa Barbara | 116 min |
| Mar 18, 8:54 PM PST | Flash Flood Warning | LOX | Santa Barbara | 2 hr |
| Mar 18, 11:30 PM PST | Flash Flood Warning | LOX | San Luis Obispo | 105 min |
| Mar 19, 1:30 AM PST | Flash Flood Warning | HNX | Kern | 90 min |
| Mar 19, 2:50 AM PST | Flash Flood Warning | HNX | Kern | 2 hr |
| Mar 19, 11:05 PM PST | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Mar 20, 12:58 AM PST | Flash Flood Warning | LOX | San Luis Obispo, Santa Barbara | 2 hr |
| Mar 20, 5:09 AM PST | Flash Flood Warning | HNX | Kern | 3 hr |
| Mar 20, 11:30 AM PST | Tornado Warning | LOX | Riverside | 60 min |
| Mar 20, 12:36 PM PST | Tornado Warning | SGX | San Diego | 69 min |
| Mar 20, 2:09 PM PST | Tornado Warning | LOX | San Bernardino | 51 min |
| Mar 20, 2:33 PM PST | Tornado Warning | HNX | Madera | 57 min |
| Mar 25, 12:29 PM PST | Tornado Warning | HNX | Madera, Mariposa, Merced | 61 min |
| Mar 25, 1:36 PM PST | Tornado Warning | HNX | Fresno, Madera, Mariposa, Merced | 69 min |
| Mar 25, 1:36 PM PST | Tornado Warning | HNX | Kings, Tulare | 69 min |
| Mar 25, 2:55 PM PST | Tornado Warning | HNX | Fresno, Madera, Mariposa, Merced | 65 min |
| Mar 25, 4:13 PM PST | Tornado Warning | HNX | Fresno, Madera, Mariposa, Merced | 62 min |
| Mar 25, 4:13 PM PST | Tornado Warning | HNX | Kings, Tulare | 62 min |
| Mar 25, 4:29 PM PST | Tornado Warning | SGX | San Diego | 31 min |
| Mar 26, 5:51 PM PST | Tornado Warning | HNX | Madera, Mariposa, Merced | 69 min |
| Mar 27, 2:16 AM PST | Tornado Warning | SGX | San Diego | 59 min |
| Jun 7, 5:39 PM PDT | Severe Thunderstorm Warning | STO | Nevada, Sierra | 66 min |
| Jun 7, 5:39 PM PDT | Severe Thunderstorm Warning | STO | Placer | 66 min |
| Jun 24, 5:04 PM PDT | Flash Flood Warning | EKA | Lake, Mendocino | 2 hr |
| Jul 18, 5:46 PM PDT | Severe Thunderstorm Warning | STO | El Dorado | 59 min |
| Aug 2, 2:25 PM PDT | Flash Flood Warning | LOX | San Bernardino | 95 min |
| Aug 11, 12:41 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Aug 11, 5:39 PM PDT | Severe Thunderstorm Warning | STO | Nevada, Placer, Sierra | 66 min |
| Aug 15, 9:53 AM PDT | Tornado Warning | STO | El Dorado | 37 min |
| Sep 4, 2:00 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 60 min |
| Sep 4, 4:30 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 69 min |
| Sep 4, 5:36 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 24 min |
| Sep 5, 5:00 PM PDT | Flash Flood Warning | HNX | Kern | 6 hr |
| Sep 5, 6:00 PM PDT | Flash Flood Warning | SGX | Imperial, San Diego | |
| Sep 5, 6:15 PM PDT | Flash Flood Warning | HNX | Kern | 105 min |
| Sep 19, 6:59 PM PDT | Flash Flood Warning | LOX | Riverside | 2 hr |
| Sep 19, 6:59 PM PDT | Flash Flood Warning | LOX | San Bernardino | 2 hr |
| Sep 19, 6:59 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 2 hr |
| Sep 19, 6:59 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 2 hr |
| Sep 19, 8:45 PM PDT | Flash Flood Warning | LOX | San Bernardino | 75 min |
| Sep 19, 8:45 PM PDT | Flash Flood Warning | LOX | Riverside | 75 min |
| Sep 19, 8:45 PM PDT | Severe Thunderstorm Warning | LOX | San Bernardino | 75 min |
| Sep 19, 8:45 PM PDT | Severe Thunderstorm Warning | LOX | Riverside | 75 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 | 11 |
| Tornado Warning | 15 |
| Flooding | |
| Flash Flood Warning | 20 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kern County7
- Riverside County7
- San Bernardino County7
- Madera County6
- San Diego County5
- Mariposa County5
- Merced County5
- Fresno County4
- Santa Barbara County4
- Kings County3
- Tulare County3
- San Luis Obispo County3
- Nevada County2
- Sierra County2
- Placer County2
- El Dorado County2
- Lake County1
- Mendocino County1
- Imperial County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.