Alert archive / California / Alameda County
Weather alerts in Alameda County, California, 2022
71 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Alameda County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 71
- Warnings
- 8
- Watches
- 7
- Advisories
- 49
- Busiest month
- December25 alerts
- Busiest day
- December 31, 20224 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 | Lasted |
|---|---|---|---|
| Jan 1, 1:00 PM PST | Freeze Warning | MTR | 20 hr |
| Jan 3, 1:57 PM PST | Coastal Flood Advisory | MTR | 24 hr |
| Jan 6, 1:26 AM PST | Dense Fog Advisory | MTR | 11 hr |
| Jan 14, 4:46 AM PST | Dense Fog Advisory | MTR | 5 hr |
| Jan 15, 4:53 AM PST | Tsunami Advisory | AAQ | 20 hr |
| Jan 20, 3:06 AM PST | Dense Fog Advisory | MTR | 8 hr |
| Jan 20, 1:39 PM PST | Wind Advisory | MTR | 41 hr |
| Jan 26, 4:18 AM PST | Dense Fog Advisory | MTR | 6 hr |
| Jan 31, 3:10 AM PST | High Wind Watch | MTR | 11 hr |
| Jan 31, 2:31 PM PST | Wind Advisory | MTR | 54 hr |
| Feb 22, 2:38 AM PST | Freeze Warning | MTR | 3 days |
| Feb 22, 4:00 PM PST | Special Weather Statement | MTR | 45 min |
| Feb 22, 7:10 PM PST | Frost Advisory | MTR | 62 hr |
| Mar 3, 1:56 AM PST | Wind Advisory | MTR | 43 hr |
| Mar 3, 8:17 AM PST | Special Weather Statement | MTR | 58 min |
| Mar 27, 2:45 AM PDT | Wind Advisory | MTR | 26 hr |
| Apr 8, 4:13 AM PDT | Wind Advisory | MTR | 53 hr |
| Apr 11, 5:25 PM PDT | Wind Advisory | MTR | 4 hr |
| Apr 27, 2:46 AM PDT | Wind Advisory | MTR | 32 hr |
| May 19, 2:13 AM PDT | Wind Advisory | MTR | 36 hr |
| Jun 7, 1:45 PM PDT | Excessive Heat Watch | MTR | 23 hr |
| Jun 8, 1:00 PM PDT | Heat Advisory | MTR | 57 hr |
| Jun 20, 10:04 AM PDT | Heat Advisory | MTR | 36 hr |
| Jul 10, 12:57 PM PDT | Coastal Flood Advisory | MTR | 11 hr |
| Jul 10, 11:53 PM PDT | Coastal Flood Advisory | MTR | 24 hr |
| Jul 11, 1:13 PM PDT | Coastal Flood Advisory | MTR | 36 hr |
| Jul 12, 4:10 PM PDT | Coastal Flood Advisory | MTR | 34 hr |
| Jul 13, 1:49 PM PDT | Coastal Flood Advisory | MTR | 37 hr |
| Jul 15, 2:46 AM PDT | Coastal Flood Advisory | MTR | 25 hr |
| Aug 14, 1:22 PM PDT | Excessive Heat Watch | MTR | 21 hr |
| Aug 15, 10:06 AM PDT | Heat Advisory | MTR | 34 hr |
| Aug 29, 1:00 PM PDT | Excessive Heat Watch | MTR | 3 days |
| Aug 31, 2:05 AM PDT | Excessive Heat Warning | MTR | 9 days |
| Sep 1, 1:20 PM PDT | Heat Advisory | MTR | 5 days |
| Sep 6, 12:44 AM PDT | Heat Advisory | MTR | 67 hr |
| Sep 20, 4:59 PM PDT | Special Weather Statement | MTR | 31 min |
| Oct 23, 10:12 AM PDT | Frost Advisory | MTR | 23 hr |
| Nov 2, 11:58 AM PDT | Special Weather Statement | MTR | 17 min |
| Nov 8, 5:16 AM PST | Areal Flood Advisory | MTR | 3 hr |
| Nov 8, 5:32 AM PST | Areal Flood Advisory | MTR | 5 hr |
| Nov 8, 11:42 AM PST | Areal Flood Advisory | MTR | 5 hr |
| Nov 8, 8:07 PM PST | Special Weather Statement | MTR | 23 min |
| Nov 8, 8:29 PM PST | Special Weather Statement | MTR | 31 min |
| Nov 9, 4:08 AM PST | Frost Advisory | MTR | 29 hr |
| Nov 10, 2:27 AM PST | Frost Advisory | MTR | 31 hr |
| Nov 30, 1:16 PM PST | Freeze Watch | MTR | 13 hr |
| Dec 1, 9:41 AM PST | Areal Flood Advisory | MTR | 2 hr |
| Dec 8, 11:50 AM PST | Wind Advisory | MTR | 54 hr |
| Dec 10, 11:37 AM PST | Areal Flood Advisory | MTR | 4 hr |
| Dec 11, 12:43 AM PST | Areal Flood Advisory | MTR | 2 hr |
| Dec 13, 1:12 AM PST | Frost Advisory | MTR | 32 hr |
| Dec 13, 1:12 AM PST | Freeze Watch | MTR | 12 hr |
| Dec 13, 1:12 AM PST | Freeze Warning | MTR | 32 hr |
| Dec 14, 12:49 AM PST | Frost Advisory | MTR | 32 hr |
| Dec 14, 12:49 AM PST | Freeze Warning | MTR | 32 hr |
| Dec 14, 11:32 PM PST | Frost Advisory | MTR | 33 hr |
| Dec 14, 11:32 PM PST | Freeze Warning | MTR | 33 hr |
| Dec 18, 1:32 PM PST | Dense Fog Advisory | MTR | 19 hr |
| Dec 21, 1:31 PM PST | Coastal Flood Advisory | MTR | 4 days |
| Dec 21, 8:29 PM PST | Dense Fog Advisory | MTR | 12 hr |
| Dec 25, 2:42 AM PST | Dense Fog Advisory | MTR | 7 hr |
| Dec 25, 2:10 PM PST | Wind Advisory | MTR | 43 hr |
| Dec 26, 12:17 AM PST | Dense Fog Advisory | MTR | 4 hr |
| Dec 27, 3:51 AM PST | Areal Flood Advisory | MTR | 9 hr |
| Dec 27, 7:46 AM PST | Special Weather Statement | MTR | 29 min |
| Dec 28, 2:00 PM PST | Flood Watch | MTR | 3 days |
| Dec 30, 12:53 PM PST | Wind Advisory | MTR | 28 hr |
| Dec 31, 5:31 AM PST | Areal Flood Advisory | MTR | 9 hr |
| Dec 31, 9:00 AM PST | Areal Flood Warning | MTR | 11 hr |
| Dec 31, 10:32 AM PST | Areal Flood Warning | MTR | 19 hr |
| Dec 31, 2:38 PM PST | Areal Flood Advisory | MTR | 5 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 7 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 2 |
| Frost Advisory | 7 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Coast and beach | |
| Coastal Flood Advisory | 8 |
| Tsunami Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.