Alert archive / California / Kern County
Weather alerts in Kern County, California, 2015
63 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Kern County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 63
- Warnings
- 23
- Watches
- 0
- Advisories
- 19
- Busiest month
- October24 alerts
- Busiest day
- October 15, 201518 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 reports fell inside a warning.
Kern County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 5 | 1 | 80% | 7 | 29% | 23 min |
| Flash flood warnings | 16 | 4 | 75% | 13 | 31% | 53 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hanford, CA: tornado warnings | 0 | 1 | 0% | |||
| NWS Hanford, CA: severe thunderstorm warnings | 12 | 1 | 92% | 10 | 20% | 23 min |
| NWS Hanford, CA: flash flood warnings | 24 | 5 | 79% | 15 | 33% | 50 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 11, 7:37 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Jan 11, 10:15 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Feb 22, 5:26 PM PST | Areal Flood Advisory | HNX | 6 hr |
| Feb 22, 6:59 PM PST | Areal Flood Advisory | HNX | 5 hr |
| Feb 23, 3:42 PM PST | Special Weather Statement | HNX | 48 min |
| Feb 23, 4:22 PM PST | Special Weather Statement | HNX | 53 min |
| Feb 23, 5:17 PM PST | Special Weather Statement | HNX | 58 min |
| Mar 2, 7:32 AM PST | Areal Flood Advisory | HNX | 3 hr |
| May 14, 7:32 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| May 14, 10:15 PM PDT | Areal Flood Advisory | HNX | 7 hr |
| Jun 10, 5:07 PM PDT | Severe Thunderstorm Warning | HNX | 38 min |
| Jun 10, 5:24 PM PDT | Flash Flood Warning | HNX | 2 hr |
| Jun 10, 5:46 PM PDT | Special Weather Statement | HNX | 44 min |
| Jun 10, 6:06 PM PDT | Special Weather Statement | HNX | 39 min |
| Jun 10, 6:19 PM PDT | Special Weather Statement | HNX | 41 min |
| Jun 10, 7:09 PM PDT | Special Weather Statement | HNX | 51 min |
| Jun 12, 4:20 PM PDT | Flash Flood Warning | HNX | 2 hr |
| Jun 13, 4:58 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 1, 5:14 AM PDT | Areal Flood Advisory | HNX | 6 hr |
| Jul 18, 2:22 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Jul 18, 5:18 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 18, 5:32 PM PDT | Special Weather Statement | HNX | 58 min |
| Jul 18, 6:56 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Jul 19, 1:49 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 19, 2:45 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 19, 5:58 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Jul 19, 6:03 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 19, 6:15 PM PDT | Special Weather Statement | HNX | 45 min |
| Jul 19, 7:08 PM PDT | Flash Flood Warning | HNX | 6 hr |
| Jul 19, 8:19 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jul 19, 8:59 PM PDT | Flash Flood Warning | HNX | 2 hr |
| Jul 19, 9:33 PM PDT | Special Weather Statement | HNX | 42 min |
| Jul 20, 5:20 AM PDT | Areal Flood Advisory | HNX | 4 hr |
| Jul 20, 8:53 PM PDT | Special Weather Statement | HNX | 37 min |
| Jul 30, 1:44 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Sep 9, 2:42 PM PDT | Flash Flood Warning | HNX | 6 hr |
| Sep 9, 2:55 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Oct 4, 12:29 PM PDT | Areal Flood Advisory | HNX | 8 hr |
| Oct 5, 3:05 AM PDT | Areal Flood Advisory | HNX | 3 hr |
| Oct 5, 5:16 PM PDT | Areal Flood Warning | HNX | 3 hr |
| Oct 14, 5:14 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Oct 14, 9:46 PM PDT | Special Weather Statement | HNX | 59 min |
| Oct 14, 10:11 PM PDT | Special Weather Statement | HNX | 49 min |
| Oct 14, 11:15 PM PDT | Special Weather Statement | HNX | 45 min |
| Oct 15, 12:50 AM PDT | Special Weather Statement | HNX | 40 min |
| Oct 15, 1:36 AM PDT | Special Weather Statement | HNX | 39 min |
| Oct 15, 4:22 AM PDT | Special Weather Statement | HNX | 38 min |
| Oct 15, 1:11 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Oct 15, 2:55 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Oct 15, 3:00 PM PDT | Severe Thunderstorm Warning | HNX | 30 min |
| Oct 15, 3:26 PM PDT | Special Weather Statement | HNX | 49 min |
| Oct 15, 3:30 PM PDT | Severe Thunderstorm Warning | HNX | 30 min |
| Oct 15, 3:35 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Oct 15, 3:39 PM PDT | Severe Thunderstorm Warning | HNX | 36 min |
| Oct 15, 3:54 PM PDT | Special Weather Statement | HNX | 36 min |
| Oct 15, 4:00 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Oct 15, 4:06 PM PDT | Special Weather Statement | HNX | 39 min |
| Oct 15, 4:10 PM PDT | Areal Flood Warning | HNX | 3 hr |
| Oct 15, 5:08 PM PDT | Special Weather Statement | HNX | 52 min |
| Oct 15, 6:11 PM PDT | Severe Thunderstorm Warning | HNX | 34 min |
| Oct 16, 11:17 AM PDT | Flash Flood Warning | HNX | 4 hr |
| Nov 2, 9:13 PM PST | Areal Flood Advisory | HNX | 3 hr |
| Dec 22, 12:35 PM PST | Flash Flood Warning | HNX | 5 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 | 5 |
| Special Weather Statement | 21 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 16 |
| Areal Flood Advisory | 19 |
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.