Alert archive / California / Alameda County
Weather alerts in Alameda County, California, 2010
46 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 46
- Warnings
- 5
- Watches
- 6
- Advisories
- 28
- Busiest month
- January16 alerts
- Busiest day
- January 19, 20105 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 5, 3:50 AM PST | Dense Fog Advisory | MTR | 5 hr |
| Jan 5, 10:35 PM PST | Dense Fog Advisory | MTR | 10 hr |
| Jan 10, 2:40 AM PST | Dense Fog Advisory | MTR | 7 hr |
| Jan 17, 2:45 PM PST | Wind Advisory | MTR | 24 hr |
| Jan 18, 9:40 AM PST | Areal Flood Advisory | MTR | 3 hr |
| Jan 18, 10:16 AM PST | Mesoscale Discussion | SPC | 59 min |
| Jan 18, 10:24 AM PST | Special Weather Statement | MTR | 51 min |
| Jan 18, 2:50 PM PST | Wind Advisory | MTR | 22 hr |
| Jan 18, 11:18 PM PST | High Wind Watch | MTR | 14 hr |
| Jan 19, 4:38 AM PST | Areal Flood Advisory | MTR | 3 hr |
| Jan 19, 12:51 PM PST | High Wind Warning | MTR | 23 hr |
| Jan 19, 2:41 PM PST | Special Weather Statement | MTR | 79 min |
| Jan 19, 3:06 PM PST | Special Weather Statement | MTR | 54 min |
| Jan 19, 4:04 PM PST | Special Weather Statement | MTR | 56 min |
| Jan 20, 5:01 AM PST | Areal Flood Advisory | MTR | 6 hr |
| Jan 20, 7:32 PM PST | Special Weather Statement | MTR | 28 min |
| Feb 16, 4:40 AM PST | Dense Fog Advisory | MTR | 6 hr |
| Feb 17, 5:23 AM PST | Dense Fog Advisory | MTR | 5 hr |
| Feb 17, 10:13 AM PST | Dense Fog Advisory | MTR | 107 min |
| Feb 18, 7:21 AM PST | Dense Fog Advisory | MTR | 3 hr |
| Feb 26, 2:26 AM PST | Wind Advisory | MTR | 16 hr |
| Feb 26, 1:18 PM PST | Areal Flood Advisory | MTR | 81 min |
| Mar 3, 5:44 AM PST | Areal Flood Advisory | MTR | 2 hr |
| Apr 9, 2:04 PM PDT | High Wind Watch | MTR | 13 hr |
| Apr 20, 8:12 PM PDT | Wind Advisory | MTR | 22 hr |
| Aug 23, 3:45 AM PDT | Excessive Heat Watch | MTR | 8 hr |
| Aug 23, 11:23 AM PDT | Heat Advisory | MTR | 56 hr |
| Oct 12, 2:49 AM PDT | Excessive Heat Warning | MTR | 35 hr |
| Nov 20, 5:37 PM PST | Areal Flood Advisory | MTR | 83 min |
| Nov 20, 6:02 PM PST | Mesoscale Discussion | SPC | 88 min |
| Nov 22, 1:26 PM PST | Freeze Watch | MTR | 14 hr |
| Nov 23, 3:23 AM PST | Frost Advisory | MTR | 30 hr |
| Nov 23, 3:23 AM PST | Freeze Watch | MTR | 23 hr |
| Nov 23, 3:23 AM PST | Freeze Warning | MTR | 30 hr |
| Nov 24, 2:48 AM PST | Frost Advisory | MTR | 30 hr |
| Nov 24, 2:48 AM PST | Freeze Watch | MTR | 24 hr |
| Nov 24, 2:48 AM PST | Freeze Warning | MTR | 30 hr |
| Nov 25, 3:00 AM PST | Frost Advisory | MTR | 30 hr |
| Nov 25, 3:00 AM PST | Freeze Warning | MTR | 30 hr |
| Dec 12, 12:17 AM PST | Dense Fog Advisory | MTR | 5 hr |
| Dec 19, 6:30 AM PST | Areal Flood Advisory | MTR | 3 hr |
| Dec 24, 3:02 AM PST | Wind Advisory | MTR | 37 hr |
| Dec 25, 1:43 PM PST | Areal Flood Advisory | MTR | 2 hr |
| Dec 27, 7:21 AM PST | Dense Fog Advisory | MTR | 3 hr |
| Dec 28, 4:28 AM PST | Wind Advisory | MTR | 24 hr |
| Dec 28, 4:30 PM PST | Areal Flood Advisory | MTR | 9 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 | 2 |
| Special Weather Statement | 5 |
| Flooding | |
| Areal Flood Advisory | 9 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.