Alert archive / California / Inyo County
Weather alerts in Inyo County, California, 2015
101 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Inyo County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 101
- Warnings
- 51
- Watches
- 16
- Advisories
- 34
- Busiest month
- October28 alerts
- Busiest day
- October 18, 20158 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Inyo County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 4 | 0 | 100% | 1 | 0% | |
| Flash flood warnings | 33 | 21 | 36% | 44 | 73% | 96 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Las Vegas, NV: tornado warnings | 0 | 1 | 0% | |||
| NWS Las Vegas, NV: severe thunderstorm warnings | 66 | 16 | 76% | 81 | 43% | 22 min |
| NWS Las Vegas, NV: flash flood warnings | 167 | 91 | 46% | 257 | 72% | 78 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 |
|---|---|---|---|
| Feb 4, 2:27 PM PST | High Wind Watch | VEF | 24 hr |
| Feb 5, 2:38 PM PST | High Wind Warning | VEF | 36 hr |
| Feb 5, 2:38 PM PST | Wind Advisory | VEF | 36 hr |
| Feb 20, 1:41 PM PST | Winter Storm Watch | VEF | 25 hr |
| Feb 21, 2:25 PM PST | Winter Weather Advisory | VEF | 43 hr |
| Feb 22, 8:45 PM PST | Areal Flood Advisory | VEF | 3 hr |
| Feb 26, 2:28 AM PST | Wind Advisory | VEF | 65 hr |
| Apr 1, 3:00 AM PDT | Wind Advisory | VEF | 32 hr |
| Apr 1, 10:01 AM PDT | Red Flag Warning | VEF | 18 hr |
| Apr 3, 2:14 PM PDT | Red Flag Warning | VEF | 58 hr |
| Apr 4, 2:15 PM PDT | Wind Advisory | VEF | 39 hr |
| Apr 6, 2:19 PM PDT | Wind Advisory | VEF | 39 hr |
| Apr 12, 2:40 AM PDT | High Wind Watch | VEF | 25 hr |
| Apr 12, 2:51 AM PDT | Fire Weather Watch | VEF | 23 hr |
| Apr 13, 2:16 AM PDT | Red Flag Warning | VEF | 45 hr |
| Apr 13, 3:21 AM PDT | High Wind Warning | VEF | 56 hr |
| Apr 13, 3:21 AM PDT | Wind Advisory | VEF | 63 hr |
| Apr 14, 1:50 PM PDT | Dust Storm Warning | VEF | 6 hr |
| Apr 25, 4:18 PM PDT | Flash Flood Warning | VEF | 3 hr |
| May 6, 2:33 PM PDT | Winter Weather Advisory | VEF | 48 hr |
| May 13, 7:02 PM PDT | Winter Weather Advisory | VEF | 35 hr |
| Jun 10, 9:25 AM PDT | Flash Flood Watch | VEF | 14 hr |
| Jun 10, 3:02 PM PDT | Flash Flood Warning | VEF | 118 min |
| Jun 10, 8:10 PM PDT | Flash Flood Warning | VEF | 95 min |
| Jun 10, 9:38 PM PDT | Flash Flood Warning | VEF | 82 min |
| Jun 11, 8:42 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jun 12, 4:55 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jun 15, 2:33 PM PDT | Excessive Heat Watch | VEF | 48 hr |
| Jun 17, 2:44 PM PDT | Excessive Heat Warning | VEF | 4 days |
| Jun 25, 9:02 AM PDT | Excessive Heat Warning | VEF | 60 hr |
| Jul 2, 5:15 PM PDT | Areal Flood Advisory | VEF | 2 hr |
| Jul 5, 2:49 PM PDT | Flash Flood Warning | VEF | 116 min |
| Jul 5, 5:33 PM PDT | Flash Flood Warning | VEF | 117 min |
| Jul 5, 6:12 PM PDT | Flash Flood Warning | VEF | 2 hr |
| Jul 6, 4:02 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 6:09 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 6:21 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 7:37 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 8:54 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 7, 2:52 AM PDT | Flash Flood Watch | VEF | 17 hr |
| Jul 7, 1:11 PM PDT | Areal Flood Advisory | VEF | 4 hr |
| Jul 9, 11:02 AM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 9, 11:56 AM PDT | Flash Flood Warning | VEF | 2 hr |
| Jul 9, 1:29 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 9, 1:52 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 9, 2:44 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 9, 4:50 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 16, 2:29 PM PDT | Flash Flood Watch | VEF | 4 days |
| Jul 18, 1:46 PM PDT | Dust Storm Warning | VEF | 109 min |
| Jul 29, 8:30 PM PDT | Flash Flood Watch | VEF | 24 hr |
| Jul 31, 2:50 AM PDT | Flash Flood Watch | VEF | 44 hr |
| Aug 1, 3:53 PM PDT | Flash Flood Warning | VEF | 5 hr |
| Aug 6, 1:35 PM PDT | Red Flag Warning | VEF | 8 hr |
| Aug 13, 3:13 AM PDT | Excessive Heat Watch | VEF | 24 hr |
| Aug 13, 1:13 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Aug 13, 2:03 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Aug 14, 3:13 AM PDT | Excessive Heat Warning | VEF | 6 days |
| Oct 2, 2:34 PM PDT | Winter Storm Watch | VEF | 23 hr |
| Oct 3, 1:28 PM PDT | Winter Weather Advisory | VEF | 57 hr |
| Oct 4, 11:51 AM PDT | Areal Flood Advisory | VEF | 3 hr |
| Oct 4, 12:20 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 4, 1:19 PM PDT | Flash Flood Warning | VEF | 5 hr |
| Oct 4, 2:09 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Oct 4, 3:02 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 4, 3:24 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 4, 4:52 PM PDT | Severe Thunderstorm Warning | VEF | 27 min |
| Oct 4, 6:00 PM PDT | Areal Flood Advisory | VEF | 2 hr |
| Oct 4, 6:30 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Oct 5, 3:56 AM PDT | Severe Thunderstorm Warning | VEF | 20 min |
| Oct 15, 7:19 AM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 15, 9:24 PM PDT | Flash Flood Watch | VEF | 3 days |
| Oct 16, 8:18 AM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 1:23 AM PDT | Severe Thunderstorm Warning | VEF | 37 min |
| Oct 18, 1:26 AM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 1:53 AM PDT | Severe Thunderstorm Warning | VEF | 37 min |
| Oct 18, 2:48 AM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 8:06 AM PDT | Flash Flood Warning | VEF | 4 hr |
| Oct 18, 11:50 AM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 12:25 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 3:07 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 7:18 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 10:11 PM PDT | Flash Flood Warning | VEF | 4 hr |
| Oct 29, 2:51 AM PDT | Wind Advisory | VEF | 12 hr |
| Oct 31, 1:58 PM PDT | Wind Advisory | VEF | 65 hr |
| Oct 31, 1:58 PM PDT | Winter Weather Advisory | VEF | 4 days |
| Nov 8, 2:46 AM PST | Wind Advisory | VEF | 43 hr |
| Nov 8, 2:46 AM PST | Winter Weather Advisory | VEF | 61 hr |
| Nov 14, 3:15 AM PST | Wind Advisory | VEF | 67 hr |
| Nov 23, 2:46 PM PST | Wind Advisory | VEF | 40 hr |
| Dec 2, 2:29 PM PST | Wind Advisory | VEF | 36 hr |
| Dec 8, 4:03 AM PST | Winter Storm Watch | VEF | 10 hr |
| Dec 8, 2:07 PM PST | Winter Storm Warning | VEF | 54 hr |
| Dec 9, 2:59 AM PST | Wind Advisory | VEF | 64 hr |
| Dec 10, 8:21 PM PST | Winter Weather Advisory | VEF | 16 hr |
| Dec 12, 2:50 AM PST | Winter Storm Watch | VEF | 11 hr |
| Dec 12, 2:16 PM PST | Winter Storm Warning | VEF | 32 hr |
| Dec 12, 2:28 PM PST | Wind Advisory | VEF | 49 hr |
| Dec 20, 11:58 PM PST | Winter Weather Advisory | VEF | 34 hr |
| Dec 23, 3:16 AM PST | High Wind Watch | VEF | 24 hr |
| Dec 24, 2:51 AM PST | High Wind Warning | VEF | 24 hr |
| Dec 24, 2:51 AM PST | Wind Advisory | VEF | 31 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 | 4 |
| Flooding | |
| Flash Flood Warning | 33 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 8 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 2 |
| Wind and dust | |
| Dust Storm Warning | 2 |
| High Wind Warning | 3 |
| High Wind Watch | 3 |
| Wind Advisory | 15 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 1 |
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.