Alert archive / California / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in California, June 2009
26 severe thunderstorm warnings in June 2009. 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 June 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 26
- Busiest day
- June 3, 200911 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 1, 1:32 PM PDT | Severe Thunderstorm Warning | REV | Mono | 43 min |
| Jun 2, 1:49 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 17 min |
| Jun 2, 2:15 PM PDT | Severe Thunderstorm Warning | EKA | Del Norte | 30 min |
| Jun 2, 2:26 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 34 min |
| Jun 2, 2:59 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 16 min |
| Jun 2, 5:50 PM PDT | Severe Thunderstorm Warning | STO | Shasta | 40 min |
| Jun 2, 6:32 PM PDT | Severe Thunderstorm Warning | EKA | Mendocino | 28 min |
| Jun 2, 8:08 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 37 min |
| Jun 3, 2:01 PM PDT | Severe Thunderstorm Warning | MFR | Modoc, Siskiyou | 29 min |
| Jun 3, 3:21 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 24 min |
| Jun 3, 3:28 PM PDT | Severe Thunderstorm Warning | EKA | Mendocino, Trinity | 32 min |
| Jun 3, 3:44 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 46 min |
| Jun 3, 4:00 PM PDT | Severe Thunderstorm Warning | EKA | Mendocino | 18 min |
| Jun 3, 4:05 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 25 min |
| Jun 3, 4:20 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 25 min |
| Jun 3, 4:47 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 13 min |
| Jun 3, 5:00 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 15 min |
| Jun 3, 5:17 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 13 min |
| Jun 3, 5:44 PM PDT | Severe Thunderstorm Warning | MTR | Alameda | 31 min |
| Jun 3, 9:37 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Nevada, Placer, Yuba | 53 min |
| Jun 3, 9:41 PM PDT | Severe Thunderstorm Warning | STO | Butte, Sutter, Yuba | 64 min |
| Jun 4, 1:12 AM PDT | Severe Thunderstorm Warning | STO | Colusa, Lake | 48 min |
| Jun 4, 11:57 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 48 min |
| Jun 5, 12:41 AM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings, Madera | 34 min |
| Jun 5, 1:14 AM PDT | Severe Thunderstorm Warning | HNX | Fresno, Madera | 46 min |
| Jun 11, 6:36 PM PDT | Severe Thunderstorm Warning | STO | Tehama | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Trinity County8
- Humboldt County7
- Mendocino County3
- Fresno County3
- Tehama County2
- Yuba County2
- Madera County2
- Mono County1
- Del Norte County1
- Shasta County1
- Modoc County1
- Siskiyou County1
- Alameda County1
- El Dorado County1
- Nevada County1
- Placer County1
- Butte County1
- Sutter County1
- Colusa County1
- Lake County1
- Kings County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.