Alert archive / California / Kern County
Weather alerts in Kern County, California, 2019
67 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 67
- Warnings
- 27
- Watches
- 2
- Advisories
- 16
- Busiest month
- May27 alerts
- Busiest day
- May 10, 20198 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 3 tornado reports fell inside a warning.
Kern County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 3 | 0% | |||
| Severe thunderstorm warnings | 12 | 1 | 92% | 1 | 100% | 42 min |
| Flash flood warnings | 11 | 2 | 82% | 25 | 12% | 51 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hanford, CA: tornado warnings | 9 | 2 | 78% | 12 | 8% | 25 min |
| NWS Hanford, CA: severe thunderstorm warnings | 33 | 1 | 97% | 7 | 14% | 42 min |
| NWS Hanford, CA: flash flood warnings | 34 | 6 | 82% | 50 | 14% | 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 17, 6:00 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Jan 31, 9:14 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Feb 2, 8:43 PM PST | Areal Flood Advisory | HNX | 3 hr |
| Feb 14, 10:04 AM PST | Areal Flood Advisory | HNX | 4 hr |
| Feb 15, 1:35 PM PST | Areal Flood Advisory | HNX | 4 hr |
| Feb 17, 4:23 PM PST | Severe Thunderstorm Warning | HNX | 37 min |
| Mar 6, 3:17 AM PST | Flash Flood Warning | HNX | 4 hr |
| Mar 6, 8:00 AM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 6, 4:47 PM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 6, 4:56 PM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 6, 5:35 PM PST | Flash Flood Warning | HNX | 3 hr |
| May 9, 6:31 PM PDT | Areal Flood Advisory | HNX | 119 min |
| May 10, 12:50 AM PDT | Areal Flood Advisory | HNX | 3 hr |
| May 10, 3:00 AM PDT | Areal Flood Advisory | HNX | 6 hr |
| May 10, 8:41 AM PDT | Flash Flood Warning | HNX | 64 min |
| May 10, 9:39 AM PDT | Areal Flood Advisory | HNX | 3 hr |
| May 10, 9:51 AM PDT | Areal Flood Advisory | HNX | 114 min |
| May 10, 11:56 AM PDT | Areal Flood Advisory | HNX | 3 hr |
| May 10, 2:36 PM PDT | Areal Flood Advisory | HNX | 102 min |
| May 11, 2:34 PM PDT | Special Weather Statement | HNX | 41 min |
| May 11, 3:37 PM PDT | Special Weather Statement | HNX | 23 min |
| May 11, 3:49 PM PDT | Special Weather Statement | HNX | 26 min |
| May 11, 4:04 PM PDT | Special Weather Statement | HNX | 26 min |
| May 11, 4:23 PM PDT | Special Weather Statement | HNX | 37 min |
| May 19, 4:53 PM PDT | Severe Thunderstorm Warning | HNX | 22 min |
| May 19, 5:13 PM PDT | Severe Thunderstorm Warning | HNX | 32 min |
| May 19, 5:45 PM PDT | Severe Thunderstorm Warning | HNX | 45 min |
| May 19, 6:23 PM PDT | Severe Thunderstorm Warning | HNX | 37 min |
| May 25, 2:46 PM PDT | Severe Thunderstorm Warning | HNX | 29 min |
| May 25, 3:15 PM PDT | Special Weather Statement | HNX | 45 min |
| May 25, 3:27 PM PDT | Severe Thunderstorm Warning | HNX | 63 min |
| May 25, 4:02 PM PDT | Flash Flood Warning | HNX | 3 hr |
| May 25, 4:04 PM PDT | Severe Thunderstorm Warning | HNX | 26 min |
| May 25, 4:16 PM PDT | Flash Flood Warning | HNX | 77 min |
| May 25, 4:34 PM PDT | Special Weather Statement | HNX | 41 min |
| May 26, 1:44 PM PDT | Special Weather Statement | HNX | 46 min |
| May 26, 4:08 PM PDT | Special Weather Statement | HNX | 52 min |
| May 26, 4:47 PM PDT | Special Weather Statement | HNX | 43 min |
| Jun 1, 12:37 PM PDT | Special Weather Statement | HNX | 38 min |
| Jun 1, 3:54 PM PDT | Special Weather Statement | HNX | 51 min |
| Jun 1, 4:23 PM PDT | Severe Thunderstorm Warning | HNX | 22 min |
| Jun 1, 4:46 PM PDT | Special Weather Statement | HNX | 44 min |
| Jun 1, 5:14 PM PDT | Flash Flood Warning | HNX | 3 hr |
| Jun 1, 5:19 PM PDT | Severe Thunderstorm Warning | HNX | 41 min |
| Jun 1, 6:44 PM PDT | Flash Flood Warning | HNX | 61 min |
| Jun 1, 7:20 PM PDT | Special Weather Statement | HNX | 40 min |
| Jun 2, 2:13 PM PDT | Special Weather Statement | HNX | 47 min |
| Jun 2, 3:19 PM PDT | Special Weather Statement | HNX | 41 min |
| Jun 2, 3:38 PM PDT | Flash Flood Warning | HNX | 97 min |
| Jun 2, 4:50 PM PDT | Special Weather Statement | HNX | 25 min |
| Jun 2, 5:19 PM PDT | Severe Thunderstorm Warning | HNX | 26 min |
| Jun 2, 6:50 PM PDT | Special Weather Statement | HNX | 40 min |
| Jun 5, 2:43 PM PDT | Special Weather Statement | HNX | 62 min |
| Sep 2, 3:36 PM PDT | Special Weather Statement | HNX | 24 min |
| Sep 5, 2:44 PM PDT | Special Weather Statement | HNX | 61 min |
| Oct 9, 11:10 AM PDT | Red Flag Warning | HNX | 61 hr |
| Oct 22, 12:28 PM PDT | Fire Weather Watch | HNX | 14 hr |
| Oct 23, 2:39 AM PDT | Red Flag Warning | HNX | 64 hr |
| Oct 26, 2:05 AM PDT | Fire Weather Watch | HNX | 11 hr |
| Oct 26, 1:22 PM PDT | Red Flag Warning | HNX | 53 hr |
| Oct 28, 5:49 PM PDT | Red Flag Warning | HNX | 54 hr |
| Nov 20, 9:38 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Nov 20, 12:28 PM PST | Areal Flood Advisory | HNX | 2 hr |
| Nov 27, 6:50 AM PST | Areal Flood Advisory | HNX | 115 min |
| Nov 28, 5:53 PM PST | Special Weather Statement | HNX | 37 min |
| Dec 8, 1:45 PM PST | Severe Thunderstorm Warning | HNX | 30 min |
| Dec 8, 4:03 PM PST | Areal Flood Advisory | HNX | 85 min |
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 | 12 |
| Special Weather Statement | 22 |
| Flooding | |
| Flash Flood Warning | 11 |
| Areal Flood Advisory | 16 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.