Alert archive / California / Flash Flood Warnings
Flash Flood Warnings in California, 1997
158 flash flood warnings in 1997. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 1997. Tap one for its archive.
- Flash Flood Warnings
- 158
- Busiest month
- January69 flash flood warnings
- Busiest day
- January 1, 199719 flash flood 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 1:20 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 6 hr |
| Jan 1, 2:42 AM PST | Flash Flood Warning | MTR | Napa | 6 hr |
| Jan 1, 5:45 AM PST | Flash Flood Warning | STO | Solano | 6 hr |
| Jan 1, 7:18 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 3 hr |
| Jan 1, 7:31 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 4 hr |
| Jan 1, 8:25 AM PST | Flash Flood Warning | MTR | Sonoma | 4 hr |
| Jan 1, 8:25 AM PST | Flash Flood Warning | MTR | Marin | 4 hr |
| Jan 1, 8:25 AM PST | Flash Flood Warning | MTR | Napa | 4 hr |
| Jan 1, 9:00 AM PST | Flash Flood Warning | MTR | Monterey | 3 hr |
| Jan 1, 9:00 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 3 hr |
| Jan 1, 9:00 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Jan 1, 10:40 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Jan 1, 10:40 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 3 hr |
| Jan 1, 10:40 AM PST | Flash Flood Warning | MTR | Marin, Napa, Sonoma | 3 hr |
| Jan 1, 11:30 AM PST | Flash Flood Warning | MTR | Monterey | 5 hr |
| Jan 1, 1:59 PM PST | Flash Flood Warning | HNX | Mariposa | 6 hr |
| Jan 1, 2:15 PM PST | Flash Flood Warning | MTR | San Mateo, Santa Cruz | 2 hr |
| Jan 1, 3:55 PM PST | Flash Flood Warning | MTR | Monterey, Santa Cruz | 3 hr |
| Jan 1, 3:55 PM PST | Flash Flood Warning | MTR | San Mateo | 3 hr |
| Jan 1, 5:03 PM PST | Flash Flood Warning | MTR | Santa Clara | 117 min |
| Jan 1, 7:00 PM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 4 hr |
| Jan 1, 7:22 PM PST | Flash Flood Warning | MTR | San Luis Obispo | 6 hr |
| Jan 1, 10:59 PM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Jan 2, 5:52 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Jan 2, 5:52 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 3 hr |
| Jan 2, 11:45 AM PST | Flash Flood Warning | MTR | Alameda, San Mateo, Santa Clara, Santa Cruz | 4 hr |
| Jan 2, 11:45 AM PST | Flash Flood Warning | MTR | Monterey | 4 hr |
| Jan 2, 11:45 AM PST | Flash Flood Warning | MTR | Contra Costa | 4 hr |
| Jan 2, 1:35 PM PST | Flash Flood Warning | STO | Sacramento | 95 min |
| Jan 2, 4:00 PM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 4 hr |
| Jan 2, 4:00 PM PST | Flash Flood Warning | MTR | Monterey | 4 hr |
| Jan 2, 4:00 PM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 4 hr |
| Jan 2, 7:00 PM PST | Flash Flood Warning | HNX | Madera, Mariposa | 8 hr |
| Jan 2, 7:00 PM PST | Flash Flood Warning | HNX | Fresno, Tulare | 8 hr |
| Jan 2, 9:03 PM PST | Flash Flood Warning | STO | Yuba | 3 hr |
| Jan 2, 9:12 PM PST | Flash Flood Warning | HNX | Kern | 6 hr |
| Jan 4, 4:37 AM PST | Flash Flood Warning | HNX | Fresno | 6 hr |
| Jan 4, 5:08 AM PST | Flash Flood Warning | HNX | Fresno, Madera | 6 hr |
| Jan 4, 6:49 PM PST | Flash Flood Warning | STO | Sutter | 91 min |
| Jan 4, 9:50 PM PST | Flash Flood Warning | STO | Sutter | 5 hr |
| Jan 5, 2:01 PM PST | Flash Flood Warning | STO | San Joaquin | 69 min |
| Jan 10, 3:55 AM PST | Flash Flood Warning | STO | San Joaquin | 95 min |
| Jan 13, 12:20 AM PST | Flash Flood Warning | SGX | Orange | 115 min |
| Jan 13, 1:00 AM PST | Flash Flood Warning | SGX | Riverside | 2 hr |
| Jan 22, 8:50 AM PST | Flash Flood Warning | EKA | Mendocino | 6 hr |
| Jan 22, 12:55 PM PST | Flash Flood Warning | STO | Butte, Colusa, Glenn, Sutter, Yuba | 8 hr |
| Jan 22, 2:15 PM PST | Flash Flood Warning | MTR | Napa, Sonoma | 4 hr |
| Jan 22, 2:15 PM PST | Flash Flood Warning | MTR | Marin | 4 hr |
| Jan 22, 2:15 PM PST | Flash Flood Warning | MTR | City and County of San Francisco | 4 hr |
| Jan 22, 2:15 PM PST | Flash Flood Warning | MTR | Contra Costa | 4 hr |
| Jan 22, 3:50 PM PST | Flash Flood Warning | STO | Placer, Sacramento | 5 hr |
| Jan 22, 5:20 PM PST | Flash Flood Warning | STO | Sacramento, Solano, Yolo | 4 hr |
| Jan 22, 5:20 PM PST | Flash Flood Warning | STO | Amador, El Dorado | 4 hr |
| Jan 22, 5:20 PM PST | Flash Flood Warning | STO | Nevada | 4 hr |
| Jan 22, 6:00 PM PST | Flash Flood Warning | MTR | Napa, Sonoma | 3 hr |
| Jan 22, 6:00 PM PST | Flash Flood Warning | MTR | Marin | 3 hr |
| Jan 22, 9:00 PM PST | Flash Flood Warning | MTR | Santa Cruz | 4 hr |
| Jan 22, 11:49 PM PST | Flash Flood Warning | STO | Yuba | 6 hr |
| Jan 24, 5:18 PM PST | Flash Flood Warning | HNX | Tulare | 6 hr |
| Jan 25, 3:55 AM PST | Flash Flood Warning | STO | El Dorado | 9 hr |
| Jan 25, 4:00 AM PST | Flash Flood Warning | MTR | Napa, Sonoma | 8 hr |
| Jan 25, 4:00 AM PST | Flash Flood Warning | MTR | City and County of San Francisco | 8 hr |
| Jan 25, 4:00 AM PST | Flash Flood Warning | MTR | Marin | 8 hr |
| Jan 25, 5:35 AM PST | Flash Flood Warning | MTR | San Mateo, Santa Clara, Santa Cruz | 6 hr |
| Jan 25, 5:35 AM PST | Flash Flood Warning | MTR | Alameda, Contra Costa | 6 hr |
| Jan 25, 7:15 AM PST | Flash Flood Warning | STO | Colusa, Lake, Yolo | 6 hr |
| Jan 26, 6:32 AM PST | Flash Flood Warning | MTR | Monterey, San Benito | 3 hr |
| Jan 26, 9:10 AM PST | Flash Flood Warning | MTR | Monterey, San Benito | 2 hr |
| Jan 26, 5:20 PM PST | Flash Flood Warning | VEF | San Bernardino | 55 min |
| Apr 2, 12:40 PM PST | Flash Flood Warning | SGX | San Diego | 60 min |
| May 20, 12:15 PM PDT | Flash Flood Warning | VEF | San Bernardino | 90 min |
| May 20, 4:45 PM PDT | Flash Flood Warning | SGX | San Bernardino | 60 min |
| Jun 5, 2:49 PM PDT | Flash Flood Warning | VEF | Inyo | 56 min |
| Jul 22, 4:18 PM PDT | Flash Flood Warning | SGX | San Diego | 57 min |
| Jul 22, 5:26 PM PDT | Flash Flood Warning | SGX | San Diego | 49 min |
| Jul 22, 7:02 PM PDT | Flash Flood Warning | PSR | Riverside | 78 min |
| Jul 23, 2:55 PM PDT | Flash Flood Warning | VEF | San Bernardino | 65 min |
| Jul 23, 3:50 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 70 min |
| Jul 23, 4:54 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 66 min |
| Jul 23, 6:00 PM PDT | Flash Flood Warning | LOX | Santa Barbara | 90 min |
| Jul 26, 2:05 PM PDT | Flash Flood Warning | REV | Sierra | 55 min |
| Jul 26, 4:10 PM PDT | Flash Flood Warning | REV | Lassen | 55 min |
| Jul 26, 4:45 PM PDT | Flash Flood Warning | REV | Lassen | 60 min |
| Jul 26, 5:38 PM PDT | Flash Flood Warning | MFR | Siskiyou | 82 min |
| Jul 26, 6:58 PM PDT | Flash Flood Warning | MFR | Siskiyou | 92 min |
| Jul 28, 1:05 AM PDT | Flash Flood Warning | VEF | San Bernardino | 55 min |
| Aug 3, 2:56 PM PDT | Flash Flood Warning | VEF | San Bernardino | 64 min |
| Aug 3, 3:00 PM PDT | Flash Flood Warning | SGX | San Diego | 60 min |
| Aug 3, 4:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 60 min |
| Aug 3, 4:29 PM PDT | Flash Flood Warning | SGX | San Diego | 61 min |
| Aug 3, 4:59 PM PDT | Flash Flood Warning | VEF | San Bernardino | 31 min |
| Aug 6, 1:32 PM PDT | Flash Flood Warning | SGX | San Diego | 43 min |
| Aug 7, 6:33 PM PDT | Flash Flood Warning | VEF | San Bernardino | 117 min |
| Aug 8, 2:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 64 min |
| Aug 9, 3:50 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Aug 16, 5:33 PM PDT | Flash Flood Warning | VEF | San Bernardino | 57 min |
| Sep 1, 2:12 PM PDT | Flash Flood Warning | VEF | San Bernardino | 58 min |
| Sep 1, 3:08 PM PDT | Flash Flood Warning | VEF | San Bernardino | 67 min |
| Sep 1, 4:15 PM PDT | Flash Flood Warning | VEF | San Bernardino | 60 min |
| Sep 1, 5:50 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Sep 2, 1:58 PM PDT | Flash Flood Warning | SGX | San Diego | 62 min |
| Sep 2, 2:33 PM PDT | Flash Flood Warning | SGX | San Diego | 57 min |
| Sep 2, 3:03 PM PDT | Flash Flood Warning | VEF | San Bernardino | 117 min |
| Sep 2, 3:03 PM PDT | Flash Flood Warning | VEF | Inyo | 117 min |
| Sep 2, 3:35 PM PDT | Flash Flood Warning | SGX | Riverside | 55 min |
| Sep 2, 4:05 PM PDT | Flash Flood Warning | LOX | Los Angeles | 55 min |
| Sep 2, 4:13 PM PDT | Flash Flood Warning | SGX | San Bernardino | 62 min |
| Sep 2, 5:28 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 2, 5:28 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Sep 2, 5:40 PM PDT | Flash Flood Warning | SGX | San Bernardino | 65 min |
| Sep 2, 6:25 PM PDT | Flash Flood Warning | PSR | Riverside | 60 min |
| Sep 2, 6:43 PM PDT | Flash Flood Warning | VEF | Inyo | 77 min |
| Sep 2, 6:43 PM PDT | Flash Flood Warning | VEF | San Bernardino | 77 min |
| Sep 2, 7:22 PM PDT | Flash Flood Warning | PSR | Riverside | 58 min |
| Sep 3, 12:10 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Sep 3, 2:25 PM PDT | Flash Flood Warning | VEF | San Bernardino | 65 min |
| Sep 3, 4:41 PM PDT | Flash Flood Warning | PSR | Riverside | 94 min |
| Sep 3, 5:02 PM PDT | Flash Flood Warning | VEF | San Bernardino | 118 min |
| Sep 3, 6:34 PM PDT | Flash Flood Warning | HNX | Kern | 116 min |
| Sep 3, 7:20 PM PDT | Flash Flood Warning | SGX | San Bernardino | 55 min |
| Sep 3, 8:23 PM PDT | Flash Flood Warning | HNX | Kern | 67 min |
| Sep 4, 3:45 PM PDT | Flash Flood Warning | SGX | Riverside | 30 min |
| Sep 4, 4:22 PM PDT | Flash Flood Warning | SGX | Riverside | 38 min |
| Sep 4, 5:30 PM PDT | Flash Flood Warning | SGX | San Bernardino | 30 min |
| Sep 4, 6:02 PM PDT | Flash Flood Warning | SGX | San Bernardino | 28 min |
| Sep 4, 6:30 PM PDT | Flash Flood Warning | SGX | San Bernardino | 30 min |
| Sep 5, 1:17 PM PDT | Flash Flood Warning | SGX | San Diego | 58 min |
| Sep 5, 2:12 PM PDT | Flash Flood Warning | SGX | San Diego | 63 min |
| Sep 5, 2:24 PM PDT | Flash Flood Warning | SGX | Riverside | 66 min |
| Sep 5, 3:15 PM PDT | Flash Flood Warning | SGX | San Diego | 60 min |
| Sep 5, 3:27 PM PDT | Flash Flood Warning | SGX | Riverside | 63 min |
| Sep 5, 4:14 PM PDT | Flash Flood Warning | SGX | San Diego | 61 min |
| Sep 5, 7:10 PM PDT | Flash Flood Warning | VEF | San Bernardino | 65 min |
| Sep 24, 6:45 PM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Sep 25, 11:02 AM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Oct 7, 8:06 AM PDT | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Nov 13, 4:36 PM PST | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Nov 30, 11:32 AM PST | Flash Flood Warning | SGX | San Diego | 58 min |
| Dec 6, 2:18 AM PST | Flash Flood Warning | LOX | Santa Barbara | 57 min |
| Dec 6, 2:30 AM PST | Flash Flood Warning | LOX | Ventura | 60 min |
| Dec 6, 3:40 AM PST | Flash Flood Warning | LOX | Los Angeles | 65 min |
| Dec 6, 4:28 AM PST | Flash Flood Warning | SGX | Orange | 2 hr |
| Dec 6, 6:31 AM PST | Flash Flood Warning | SGX | Orange | 59 min |
| Dec 6, 7:30 AM PST | Flash Flood Warning | SGX | Orange | 90 min |
| Dec 6, 9:00 AM PST | Flash Flood Warning | SGX | Orange | 3 hr |
| Dec 6, 9:05 AM PST | Flash Flood Warning | SGX | Riverside | 3 hr |
| Dec 6, 9:05 AM PST | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Dec 6, 9:45 AM PST | Flash Flood Warning | SGX | Orange, Riverside | 60 min |
| Dec 6, 11:59 AM PST | Flash Flood Warning | SGX | Orange | 61 min |
| Dec 6, 1:11 PM PST | Flash Flood Warning | SGX | Orange, Riverside, San Diego | 2 hr |
| Dec 6, 1:11 PM PST | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Dec 6, 3:00 PM PST | Flash Flood Warning | SGX | Orange, San Bernardino | 5 hr |
| Dec 6, 3:00 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 5 hr |
| Dec 6, 6:24 PM PST | Flash Flood Warning | SGX | San Diego | 66 min |
| Dec 6, 7:30 PM PST | Flash Flood Warning | SGX | San Diego | 60 min |
| Dec 6, 7:55 PM PST | Flash Flood Warning | SGX | Orange, San Bernardino | 2 hr |
| Dec 6, 7:55 PM PST | Flash Flood Warning | SGX | Riverside, San Diego | 2 hr |
| Dec 6, 9:00 PM PST | Flash Flood Warning | LOX | Los Angeles | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County34
- San Diego County18
- Riverside County15
- Santa Cruz County13
- San Mateo County12
- Santa Clara County11
- Orange County10
- Contra Costa County8
- Alameda County7
- Monterey County7
- Napa County6
- Sonoma County5
- Marin County5
- Inyo County5
- Santa Barbara County4
- Sacramento County3
- Fresno County3
- Yuba County3
- Kern County3
- Sutter County3
- Los Angeles County3
- Solano County2
- Mariposa County2
- Madera County2
- Tulare County2
- San Joaquin County2
- Colusa County2
- City and County of San Francisco2
- Yolo County2
- El Dorado County2
- San Benito County2
- Lassen County2
- Siskiyou County2
- Imperial County2
- San Luis Obispo County1
- Mendocino County1
- Butte County1
- Glenn County1
- Placer County1
- Amador County1
4 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.