Alert archive / California / Napa County
Weather alerts in Napa County, California, 2011
35 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Napa County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 35
- Warnings
- 9
- Watches
- 2
- Advisories
- 24
- Busiest month
- November8 alerts
- Busiest day
- January 16, 20112 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 14, 2:01 PM PST | Dense Fog Advisory | MTR | 19 hr |
| Jan 16, 5:21 AM PST | Dense Fog Advisory | MTR | 6 hr |
| Jan 16, 3:00 PM PST | Dense Fog Advisory | MTR | 20 hr |
| Jan 17, 2:24 PM PST | Dense Fog Advisory | MTR | 21 hr |
| Jan 26, 2:59 AM PST | Dense Fog Advisory | MTR | 7 hr |
| Jan 27, 2:31 AM PST | Dense Fog Advisory | MTR | 7 hr |
| Jan 27, 2:14 PM PST | Dense Fog Advisory | MTR | 20 hr |
| Feb 1, 2:19 AM PST | Dense Fog Advisory | MTR | 8 hr |
| Feb 15, 5:22 PM PST | Wind Advisory | MTR | 8 hr |
| Feb 17, 9:03 AM PST | Areal Flood Advisory | MTR | 31 days |
| Feb 23, 1:29 PM PST | Freeze Watch | MTR | 38 hr |
| Feb 25, 3:10 AM PST | Freeze Warning | MTR | 29 hr |
| Feb 26, 5:40 AM PST | Freeze Warning | MTR | 26 hr |
| Mar 11, 2:57 PM PST | Tsunami Advisory | AAQ | 17 hr |
| Mar 18, 9:49 AM PDT | High Wind Watch | MTR | 28 hr |
| Mar 19, 1:54 PM PDT | High Wind Warning | MTR | 16 hr |
| Mar 23, 2:42 PM PDT | Areal Flood Advisory | MTR | 24 hr |
| Jun 21, 10:28 AM PDT | Heat Advisory | MTR | 10 hr |
| Jul 2, 3:18 AM PDT | Heat Advisory | MTR | 8 hr |
| Jul 2, 3:18 AM PDT | Heat Advisory | MTR | 41 hr |
| Nov 4, 12:34 PM PDT | Frost Advisory | MTR | 20 hr |
| Nov 7, 9:51 AM PST | Frost Advisory | MTR | 23 hr |
| Nov 14, 5:07 AM PST | Dense Fog Advisory | MTR | 4 hr |
| Nov 26, 2:54 PM PST | Dense Fog Advisory | MTR | 14 hr |
| Nov 27, 7:19 PM PST | Dense Fog Advisory | MTR | 16 hr |
| Nov 28, 9:55 PM PST | Dense Fog Advisory | MTR | 14 hr |
| Nov 29, 3:24 AM PST | Wind Advisory | MTR | 3 days |
| Nov 29, 8:30 PM PST | Dense Fog Advisory | MTR | 13 hr |
| Dec 5, 2:56 AM PST | Freeze Warning | MTR | 30 hr |
| Dec 14, 3:02 AM PST | Freeze Warning | MTR | 6 hr |
| Dec 21, 2:03 PM PST | Freeze Warning | MTR | 9 hr |
| Dec 22, 1:51 PM PST | Freeze Warning | MTR | 19 hr |
| Dec 23, 1:33 PM PST | Freeze Warning | MTR | 19 hr |
| Dec 24, 1:13 PM PST | Freeze Warning | MTR | 20 hr |
| Dec 29, 3:18 AM PST | Dense Fog Advisory | MTR | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Advisory | 2 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 14 |
| Coast and beach | |
| Tsunami Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.