Alert archive / California / Santa Barbara County
Weather alerts in Santa Barbara County, California, 2011
61 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Santa Barbara County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 61
- Warnings
- 14
- Watches
- 10
- Advisories
- 34
- Busiest month
- February15 alerts
- Busiest day
- March 20, 20116 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Santa Barbara County in 2011 had a tornado report inside them.
Santa Barbara County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 3 | 0 | 100% | 0 | ||
| Flash flood warnings | 4 | 2 | 50% | 1 | 100% | 16 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Los Angeles, CA: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS Los Angeles, CA: severe thunderstorm warnings | 17 | 2 | 88% | 2 | 100% | 17 min |
| NWS Los Angeles, CA: flash flood warnings | 24 | 6 | 75% | 11 | 55% | 51 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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, 6:25 PM PST | Wind Advisory | LOX | 21 hr |
| Jan 2, 5:34 AM PST | Areal Flood Advisory | LOX | 103 min |
| Jan 2, 7:24 AM PST | Areal Flood Advisory | LOX | 3 hr |
| Jan 2, 10:02 AM PST | Areal Flood Advisory | LOX | 13 hr |
| Feb 17, 3:47 AM PST | High Wind Watch | LOX | 11 hr |
| Feb 17, 3:47 AM PST | Wind Advisory | LOX | 47 hr |
| Feb 17, 7:31 PM PST | Flash Flood Watch | LOX | 55 hr |
| Feb 18, 1:51 PM PST | Areal Flood Advisory | LOX | 60 min |
| Feb 18, 2:51 PM PST | Areal Flood Advisory | LOX | 114 min |
| Feb 18, 3:16 PM PST | Special Weather Statement | LOX | 59 min |
| Feb 18, 4:32 PM PST | Areal Flood Advisory | LOX | 4 hr |
| Feb 18, 8:35 PM PST | Areal Flood Advisory | LOX | 4 hr |
| Feb 18, 10:05 PM PST | Severe Thunderstorm Warning | LOX | 55 min |
| Feb 19, 9:17 AM PST | Winter Weather Advisory | LOX | 18 hr |
| Feb 19, 6:06 PM PST | Tornado Warning | LOX | 39 min |
| Feb 24, 3:16 AM PST | Winter Storm Watch | LOX | 24 hr |
| Feb 25, 3:05 AM PST | Winter Weather Advisory | LOX | 32 hr |
| Feb 25, 3:08 AM PST | Wind Advisory | LOX | 23 hr |
| Feb 25, 6:40 PM PST | Areal Flood Advisory | LOX | 2 hr |
| Mar 6, 2:27 PM PST | Wind Advisory | LOX | 43 hr |
| Mar 18, 3:07 PM PDT | High Wind Watch | LOX | 31 hr |
| Mar 19, 6:18 AM PDT | Flash Flood Watch | LOX | 48 hr |
| Mar 19, 11:27 AM PDT | High Wind Warning | LOX | 35 hr |
| Mar 19, 3:36 PM PDT | Wind Advisory | LOX | 31 hr |
| Mar 19, 10:26 PM PDT | Areal Flood Advisory | LOX | 23 hr |
| Mar 20, 10:03 AM PDT | Areal Flood Advisory | LOX | 117 min |
| Mar 20, 10:03 AM PDT | Flash Flood Warning | LOX | 3 hr |
| Mar 20, 11:46 AM PDT | River Flood Warning | LOX | 46 hr |
| Mar 20, 12:01 PM PDT | Areal Flood Advisory | LOX | 3 hr |
| Mar 20, 3:07 PM PDT | Areal Flood Advisory | LOX | 3 hr |
| Mar 20, 5:51 PM PDT | Areal Flood Advisory | LOX | 3 hr |
| Mar 20, 6:05 PM PDT | Areal Flood Advisory | LOX | 3 hr |
| Mar 23, 4:02 AM PDT | Wind Advisory | LOX | 10 hr |
| Mar 24, 3:20 AM PDT | Wind Advisory | LOX | 24 hr |
| Apr 8, 2:19 PM PDT | Frost Advisory | LOX | 19 hr |
| Apr 9, 1:38 PM PDT | Frost Advisory | LOX | 19 hr |
| May 25, 6:34 PM PDT | Wind Advisory | LOX | 4 days |
| Jun 4, 4:59 AM PDT | Wind Advisory | LOX | 10 hr |
| Jul 6, 3:31 AM PDT | Flash Flood Watch | LOX | 17 hr |
| Sep 9, 2:24 PM PDT | Fire Weather Watch | LOX | 14 hr |
| Sep 10, 3:49 AM PDT | Flood Watch | LOX | 36 hr |
| Sep 10, 6:57 AM PDT | Special Weather Statement | LOX | 33 min |
| Sep 10, 11:52 AM PDT | Severe Thunderstorm Warning | LOX | 23 min |
| Sep 10, 12:20 PM PDT | Severe Thunderstorm Warning | LOX | 25 min |
| Sep 10, 8:21 PM PDT | Special Weather Statement | LOX | 54 min |
| Sep 13, 4:08 PM PDT | Flash Flood Warning | LOX | 3 hr |
| Sep 13, 4:40 PM PDT | Flash Flood Warning | LOX | 3 hr |
| Sep 13, 5:45 PM PDT | Flash Flood Warning | LOX | 3 hr |
| Sep 23, 3:29 AM PDT | Red Flag Warning | LOX | 26 hr |
| Oct 5, 8:16 AM PDT | Areal Flood Advisory | LOX | 4 hr |
| Oct 26, 3:45 AM PDT | Frost Advisory | LOX | 29 hr |
| Oct 27, 3:04 AM PDT | Frost Advisory | LOX | 30 hr |
| Nov 4, 2:01 PM PDT | Frost Advisory | LOX | 19 hr |
| Nov 7, 3:45 AM PST | Frost Advisory | LOX | 29 hr |
| Nov 8, 3:54 AM PST | Freeze Warning | LOX | 29 hr |
| Nov 9, 1:56 PM PST | Frost Advisory | LOX | 19 hr |
| Nov 20, 5:06 AM PST | Areal Flood Advisory | LOX | 8 hr |
| Dec 2, 4:09 AM PST | Freeze Watch | LOX | 10 hr |
| Dec 2, 2:24 PM PST | Freeze Watch | LOX | 19 hr |
| Dec 2, 5:27 PM PST | Freeze Warning | LOX | 16 hr |
| Dec 3, 9:07 AM PST | Freeze Warning | LOX | 24 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 | |
| Severe Thunderstorm Warning | 3 |
| Tornado Warning | 1 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 4 |
| River Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 16 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Frost Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 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.