Alert archive / California / Alameda County
Weather alerts in Alameda County, California, 2015
44 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 44
- Warnings
- 9
- Watches
- 2
- Advisories
- 28
- Busiest month
- January13 alerts
- Busiest day
- November 26, 20154 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, 1:41 PM PST | Frost Advisory | MTR | 19 hr |
| Jan 1, 1:41 PM PST | Freeze Warning | MTR | 19 hr |
| Jan 2, 10:42 AM PST | Frost Advisory | MTR | 22 hr |
| Jan 2, 10:42 AM PST | Freeze Warning | MTR | 22 hr |
| Jan 13, 7:49 AM PST | Dense Fog Advisory | MTR | 2 hr |
| Jan 14, 4:23 AM PST | Dense Fog Advisory | MTR | 6 hr |
| Jan 14, 10:07 AM PST | Dense Fog Advisory | MTR | 53 min |
| Jan 15, 3:11 AM PST | Dense Fog Advisory | MTR | 8 hr |
| Jan 18, 5:00 PM PST | Coastal Flood Statement | MTR | 69 hr |
| Jan 20, 7:48 AM PST | Dense Fog Advisory | MTR | 2 hr |
| Jan 21, 7:20 AM PST | Dense Fog Advisory | MTR | 3 hr |
| Jan 29, 8:06 AM PST | Dense Fog Advisory | MTR | 3 hr |
| Jan 30, 7:46 AM PST | Dense Fog Advisory | MTR | 3 hr |
| Feb 4, 1:21 PM PST | Wind Advisory | MTR | 61 hr |
| Feb 7, 2:15 PM PST | Wind Advisory | MTR | 32 hr |
| Feb 8, 1:30 PM PST | Mesoscale Discussion | SPC | 90 min |
| Feb 8, 10:08 PM PST | Wind Advisory | MTR | 6 hr |
| Feb 17, 6:37 AM PST | Coastal Flood Statement | MTR | 62 hr |
| Feb 28, 3:48 PM PST | Special Weather Statement | MTR | 42 min |
| Mar 10, 3:30 AM PDT | Dense Fog Advisory | MTR | 7 hr |
| Jun 7, 2:36 AM PDT | Heat Advisory | MTR | 41 hr |
| Jun 30, 9:02 AM PDT | Heat Advisory | MTR | 36 hr |
| Aug 6, 9:50 AM PDT | Red Flag Warning | MTR | 19 hr |
| Aug 15, 7:20 PM PDT | Heat Advisory | MTR | 26 hr |
| Sep 8, 2:27 AM PDT | Heat Advisory | MTR | 17 hr |
| Sep 8, 2:27 AM PDT | Heat Advisory | MTR | 41 hr |
| Sep 9, 2:33 AM PDT | Heat Advisory | MTR | 40 hr |
| Sep 20, 2:43 AM PDT | Heat Advisory | MTR | 17 hr |
| Sep 21, 3:13 AM PDT | Heat Advisory | MTR | 17 hr |
| Oct 10, 6:10 AM PDT | Dense Fog Advisory | MTR | 3 hr |
| Nov 14, 5:14 PM PST | Wind Advisory | MTR | 35 hr |
| Nov 23, 1:39 PM PST | Coastal Flood Statement | MTR | 3 days |
| Nov 26, 2:33 AM PST | Freeze Warning | MTR | 30 hr |
| Nov 26, 2:33 AM PST | Freeze Warning | MTR | 54 hr |
| Nov 26, 1:53 PM PST | Frost Advisory | MTR | 19 hr |
| Nov 26, 1:53 PM PST | Frost Advisory | MTR | 43 hr |
| Nov 28, 1:03 PM PST | Frost Advisory | MTR | 20 hr |
| Nov 28, 1:03 PM PST | Freeze Warning | MTR | 20 hr |
| Nov 29, 1:23 PM PST | Freeze Warning | MTR | 20 hr |
| Dec 12, 1:08 PM PST | Wind Advisory | MTR | 25 hr |
| Dec 24, 2:53 AM PST | Freeze Watch | MTR | 24 hr |
| Dec 24, 2:53 AM PST | Freeze Watch | MTR | 48 hr |
| Dec 25, 2:55 AM PST | Freeze Warning | MTR | 30 hr |
| Dec 26, 3:09 AM PST | Freeze Warning | MTR | 30 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 | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 1 |
| Heat | |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 2 |
| Frost Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
| Coast and beach | |
| Coastal Flood Statement | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.