Alert archive / California / Del Norte County
Weather alerts in Del Norte County, California, 2016
71 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Del Norte County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 71
- Warnings
- 10
- Watches
- 9
- Advisories
- 34
- Busiest month
- December22 alerts
- Busiest day
- October 14, 20166 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Del Norte County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 1 | 0 | 100% | 0 | ||
| Flash flood warnings | 0 | 2 | 0% |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Eureka, CA: severe thunderstorm warnings | 5 | 0 | 100% | 0 | ||
| NWS Eureka, CA: flash flood warnings | 0 | 20 | 0% |
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 13, 9:27 AM PST | Special Weather Statement | EKA | 48 min |
| Jan 17, 5:18 AM PST | Areal Flood Advisory | EKA | 3 hr |
| Jan 17, 8:11 AM PST | Areal Flood Advisory | EKA | 13 hr |
| Jan 19, 9:05 AM PST | Special Weather Statement | EKA | 55 min |
| Jan 19, 9:33 AM PST | Severe Thunderstorm Warning | EKA | 42 min |
| Jan 19, 10:06 AM PST | Special Weather Statement | EKA | 24 min |
| Jan 22, 1:06 AM PST | Areal Flood Advisory | EKA | 3 hr |
| Jan 29, 9:01 AM PST | Areal Flood Advisory | EKA | 3 hr |
| Feb 17, 1:47 PM PST | Special Weather Statement | EKA | 43 min |
| Feb 19, 8:04 AM PST | Special Weather Statement | EKA | 26 min |
| Mar 5, 4:13 PM PST | Areal Flood Advisory | EKA | 6 hr |
| Mar 6, 5:41 PM PST | Special Weather Statement | EKA | 49 min |
| Mar 12, 3:55 AM PST | Special Weather Statement | EKA | 65 min |
| Apr 13, 6:21 PM PDT | Special Weather Statement | EKA | 39 min |
| Oct 2, 9:21 AM PDT | Special Weather Statement | EKA | 39 min |
| Oct 11, 1:31 PM PDT | High Wind Watch | EKA | 15 hr |
| Oct 12, 4:44 AM PDT | High Wind Warning | EKA | 42 hr |
| Oct 12, 4:44 AM PDT | Wind Advisory | EKA | 41 hr |
| Oct 12, 2:06 PM PDT | High Surf Advisory | EKA | 46 hr |
| Oct 13, 2:30 PM PDT | Coastal Flood Advisory | EKA | 22 hr |
| Oct 13, 5:14 PM PDT | Areal Flood Advisory | EKA | 4 hr |
| Oct 13, 9:21 PM PDT | Areal Flood Advisory | EKA | 114 min |
| Oct 13, 11:11 PM PDT | Areal Flood Advisory | EKA | 3 hr |
| Oct 13, 11:56 PM PDT | High Wind Watch | EKA | 16 hr |
| Oct 14, 1:24 PM PDT | Special Weather Statement | EKA | 36 min |
| Oct 14, 3:31 PM PDT | High Wind Warning | EKA | 24 hr |
| Oct 15, 3:26 AM PDT | Flood Watch | EKA | 12 hr |
| Oct 16, 2:48 AM PDT | Coastal Flood Advisory | EKA | 11 hr |
| Oct 16, 2:28 PM PDT | Areal Flood Advisory | EKA | 62 min |
| Oct 16, 5:48 PM PDT | Special Weather Statement | EKA | 27 min |
| Oct 16, 6:25 PM PDT | Special Weather Statement | EKA | 35 min |
| Oct 16, 6:53 PM PDT | Special Weather Statement | EKA | 22 min |
| Oct 16, 7:12 PM PDT | Special Weather Statement | EKA | 18 min |
| Oct 16, 8:21 PM PDT | Special Weather Statement | EKA | 24 min |
| Nov 2, 10:45 AM PDT | Beach Hazards Statement | EKA | 24 hr |
| Nov 3, 11:16 AM PDT | Beach Hazards Statement | EKA | 8 hr |
| Nov 4, 8:57 PM PDT | High Surf Advisory | EKA | 35 hr |
| Nov 15, 3:22 PM PST | Freeze Watch | EKA | 23 hr |
| Nov 16, 2:36 PM PST | Freeze Warning | EKA | 18 hr |
| Nov 16, 9:50 PM PST | Frost Advisory | EKA | 11 hr |
| Nov 17, 3:23 PM PST | Wind Advisory | EKA | 36 hr |
| Nov 24, 3:09 AM PST | Wind Advisory | EKA | 30 hr |
| Nov 24, 3:26 AM PST | Flood Watch | EKA | 29 hr |
| Nov 25, 8:51 AM PST | Wind Advisory | EKA | 16 hr |
| Nov 25, 8:52 AM PST | Flood Watch | EKA | 6 hr |
| Nov 25, 3:07 PM PST | Winter Weather Advisory | EKA | 41 hr |
| Nov 26, 7:35 AM PST | Wind Advisory | EKA | 5 hr |
| Nov 28, 5:22 AM PST | High Surf Advisory | EKA | 36 hr |
| Nov 30, 2:45 PM PST | Frost Advisory | EKA | 18 hr |
| Dec 1, 2:10 PM PST | Frost Advisory | EKA | 19 hr |
| Dec 3, 3:12 AM PST | High Surf Advisory | EKA | 19 hr |
| Dec 5, 2:32 PM PST | Winter Weather Advisory | EKA | 16 hr |
| Dec 6, 4:26 AM PST | Frost Advisory | EKA | 30 hr |
| Dec 6, 4:26 AM PST | Freeze Warning | EKA | 30 hr |
| Dec 6, 3:01 PM PST | Winter Weather Advisory | EKA | 42 hr |
| Dec 7, 10:49 PM PST | Wind Advisory | EKA | 12 hr |
| Dec 12, 5:35 PM PST | Flood Watch | EKA | 70 hr |
| Dec 13, 3:13 PM PST | Coastal Flood Advisory | EKA | 20 hr |
| Dec 13, 7:21 PM PST | Wind Advisory | EKA | 24 hr |
| Dec 14, 11:42 AM PST | Coastal Flood Warning | EKA | 78 min |
| Dec 14, 1:43 PM PST | Areal Flood Warning | EKA | 3 hr |
| Dec 14, 1:57 PM PST | Areal Flood Advisory | EKA | 4 hr |
| Dec 14, 8:12 PM PST | Areal Flood Advisory | EKA | 3 hr |
| Dec 14, 9:42 PM PST | Areal Flood Warning | EKA | 6 hr |
| Dec 16, 1:58 AM PST | Freeze Watch | EKA | 13 hr |
| Dec 16, 2:55 PM PST | Freeze Warning | EKA | 10 hr |
| Dec 16, 2:55 PM PST | Hard Freeze Warning | EKA | 18 hr |
| Dec 18, 5:18 AM PST | Beach Hazards Statement | EKA | 43 hr |
| Dec 20, 9:28 PM PST | High Surf Advisory | EKA | 15 hr |
| Dec 21, 3:50 PM PST | Winter Storm Watch | EKA | 13 hr |
| Dec 22, 4:33 AM PST | Winter Weather Advisory | EKA | 53 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 | 1 |
| Special Weather Statement | 15 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flood Watch | 4 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Cold | |
| Freeze Warning | 3 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 2 |
| Frost Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 7 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Advisory | 3 |
| High Surf Advisory | 5 |
| Beach Hazards Statement | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.