Alert archive / California / Inyo County
Weather alerts in Inyo County, California, 2018
113 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 113
- Warnings
- 39
- Watches
- 17
- Advisories
- 57
- Busiest month
- July29 alerts
- Busiest day
- July 20, 20186 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, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 0 | 100% | 0 | ||
| Flash flood warnings | 18 | 9 | 50% | 17 | 59% | 71 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Las Vegas, NV: severe thunderstorm warnings | 73 | 15 | 79% | 151 | 66% | 24 min |
| NWS Las Vegas, NV: flash flood warnings | 159 | 59 | 63% | 195 | 63% | 75 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 6, 2:48 PM PST | Winter Storm Watch | VEF | 24 hr |
| Jan 7, 2:18 PM PST | Winter Storm Warning | VEF | 50 hr |
| Jan 8, 1:11 PM PST | Flash Flood Watch | VEF | 27 hr |
| Jan 9, 10:23 AM PST | Areal Flood Advisory | VEF | 6 hr |
| Jan 9, 1:17 PM PST | Areal Flood Advisory | VEF | 4 hr |
| Jan 18, 3:41 AM PST | Wind Advisory | VEF | 26 hr |
| Feb 9, 2:37 AM PST | Wind Advisory | VEF | 55 hr |
| Feb 17, 3:30 AM PST | High Wind Warning | VEF | 61 hr |
| Feb 17, 3:30 AM PST | Wind Advisory | VEF | 67 hr |
| Feb 21, 3:01 AM PST | Wind Advisory | VEF | 43 hr |
| Feb 28, 3:33 AM PST | Winter Storm Watch | VEF | 11 hr |
| Feb 28, 2:20 PM PST | Winter Storm Warning | VEF | 68 hr |
| Mar 1, 3:58 AM PST | Wind Advisory | VEF | 65 hr |
| Mar 1, 7:59 PM PST | Winter Weather Advisory | VEF | 14 hr |
| Mar 12, 3:10 AM PDT | Winter Weather Advisory | VEF | 56 hr |
| Mar 13, 2:33 AM PDT | Wind Advisory | VEF | 44 hr |
| Mar 16, 2:56 AM PDT | Winter Weather Advisory | VEF | 26 hr |
| Mar 16, 2:57 AM PDT | Wind Advisory | VEF | 26 hr |
| Mar 20, 2:18 PM PDT | Flood Watch | VEF | 52 hr |
| Mar 20, 2:26 PM PDT | Winter Weather Advisory | VEF | 63 hr |
| Mar 21, 2:02 PM PDT | Wind Advisory | VEF | 39 hr |
| Mar 23, 4:49 AM PDT | Wind Advisory | VEF | 46 hr |
| Mar 26, 2:18 AM PDT | Wind Advisory | VEF | 33 hr |
| Apr 5, 3:20 AM PDT | Wind Advisory | VEF | 72 hr |
| Apr 9, 2:22 PM PDT | High Wind Watch | VEF | 26 hr |
| Apr 10, 10:35 AM PDT | Wind Advisory | VEF | 18 hr |
| Apr 10, 4:10 PM PDT | High Wind Warning | VEF | 49 hr |
| Apr 10, 4:10 PM PDT | Wind Advisory | VEF | 55 hr |
| Apr 15, 3:22 AM PDT | Wind Advisory | VEF | 48 hr |
| Apr 15, 2:14 PM PDT | Winter Weather Advisory | VEF | 37 hr |
| Apr 18, 2:28 PM PDT | Wind Advisory | VEF | 33 hr |
| Apr 27, 3:09 AM PDT | Wind Advisory | VEF | 3 days |
| Apr 30, 2:49 AM PDT | Winter Weather Advisory | VEF | 59 hr |
| May 1, 8:59 PM PDT | Areal Flood Advisory | VEF | 7 hr |
| May 9, 2:39 PM PDT | Red Flag Warning | VEF | 56 hr |
| May 10, 4:14 AM PDT | Wind Advisory | VEF | 46 hr |
| May 30, 1:57 PM PDT | Wind Advisory | VEF | 33 hr |
| Jun 8, 2:24 PM PDT | Wind Advisory | VEF | 39 hr |
| Jun 11, 3:09 AM PDT | Excessive Heat Watch | VEF | 11 hr |
| Jun 11, 1:39 PM PDT | Excessive Heat Warning | VEF | 54 hr |
| Jun 16, 3:47 AM PDT | Fire Weather Watch | VEF | 11 hr |
| Jun 17, 2:32 AM PDT | Wind Advisory | VEF | 16 hr |
| Jun 18, 1:57 PM PDT | Excessive Heat Watch | VEF | 22 hr |
| Jun 19, 11:51 AM PDT | Excessive Heat Warning | VEF | 4 days |
| Jun 20, 1:59 PM PDT | Heat Advisory | VEF | 3 days |
| Jul 2, 1:40 PM PDT | Excessive Heat Watch | VEF | 38 hr |
| Jul 3, 9:58 AM PDT | Red Flag Warning | VEF | 34 hr |
| Jul 4, 3:22 AM PDT | Excessive Heat Warning | VEF | 66 hr |
| Jul 7, 2:46 AM PDT | Excessive Heat Warning | VEF | 42 hr |
| Jul 7, 12:24 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 11, 11:45 AM PDT | Flash Flood Watch | VEF | 10 hr |
| Jul 11, 1:06 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 11, 3:40 PM PDT | Flash Flood Warning | VEF | 2 hr |
| Jul 12, 2:51 AM PDT | Flash Flood Watch | VEF | 21 hr |
| Jul 12, 2:04 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 12, 4:51 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 12, 5:44 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 14, 3:18 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 17, 3:41 AM PDT | Heat Advisory | VEF | 41 hr |
| Jul 19, 3:46 AM PDT | Excessive Heat Watch | VEF | 23 hr |
| Jul 19, 3:41 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 19, 4:33 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 19, 6:39 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 19, 8:45 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 19, 11:26 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 20, 3:05 AM PDT | Excessive Heat Warning | VEF | 9 days |
| Jul 20, 2:04 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 20, 3:35 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 21, 4:02 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 22, 5:11 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 22, 6:39 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 23, 4:33 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Jul 24, 4:21 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Jul 31, 2:43 PM PDT | Areal Flood Advisory | VEF | 76 min |
| Jul 31, 5:51 PM PDT | Flash Flood Warning | VEF | 114 min |
| Aug 1, 1:41 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Aug 1, 2:37 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Aug 2, 3:42 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Aug 3, 2:19 PM PDT | Excessive Heat Watch | VEF | 36 hr |
| Aug 5, 2:23 AM PDT | Excessive Heat Warning | VEF | 5 days |
| Aug 8, 5:29 PM PDT | Severe Thunderstorm Warning | VEF | 46 min |
| Aug 11, 9:25 PM PDT | Severe Thunderstorm Warning | VEF | 65 min |
| Aug 11, 9:40 PM PDT | Dust Storm Warning | VEF | 65 min |
| Aug 11, 10:06 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Aug 11, 11:43 PM PDT | Dust Storm Warning | VEF | 32 min |
| Aug 12, 12:01 AM PDT | Dust Storm Warning | VEF | 96 min |
| Aug 16, 1:27 PM PDT | Areal Flood Advisory | VEF | 4 hr |
| Aug 16, 3:21 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Aug 16, 6:12 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Aug 16, 6:30 PM PDT | Flash Flood Warning | VEF | 3 hr |
| Sep 4, 5:09 PM PDT | Areal Flood Advisory | VEF | 2 hr |
| Sep 4, 5:27 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Sep 4, 7:15 PM PDT | Areal Flood Advisory | VEF | 3 hr |
| Sep 11, 2:27 PM PDT | Red Flag Warning | VEF | 4 days |
| Sep 28, 2:20 PM PDT | Flash Flood Watch | VEF | 4 days |
| Oct 2, 7:14 PM PDT | Flash Flood Warning | VEF | 100 min |
| Oct 3, 4:16 PM PDT | Flash Flood Warning | VEF | 4 hr |
| Oct 3, 5:46 PM PDT | Flash Flood Warning | VEF | 119 min |
| Oct 3, 6:18 PM PDT | Severe Thunderstorm Warning | VEF | 42 min |
| Oct 3, 10:20 PM PDT | Areal Flood Advisory | VEF | 79 min |
| Oct 6, 4:03 PM PDT | Areal Flood Advisory | VEF | 2 hr |
| Oct 6, 5:14 PM PDT | Areal Flood Advisory | VEF | 109 min |
| Oct 22, 12:42 AM PDT | Areal Flood Advisory | VEF | 3 hr |
| Nov 20, 2:57 AM PST | Winter Storm Watch | VEF | 24 hr |
| Nov 21, 2:55 AM PST | Winter Weather Advisory | VEF | 29 hr |
| Nov 26, 2:24 PM PST | Winter Storm Watch | VEF | 24 hr |
| Nov 27, 2:00 PM PST | Winter Storm Warning | VEF | 62 hr |
| Nov 27, 2:00 PM PST | Winter Weather Advisory | VEF | 62 hr |
| Dec 24, 4:19 AM PST | Winter Weather Advisory | VEF | 24 hr |
| Dec 24, 2:46 PM PST | Wind Advisory | VEF | 29 hr |
| Dec 26, 2:52 PM PST | Wind Advisory | VEF | 33 hr |
| Dec 27, 2:34 PM PST | Freeze Watch | VEF | 24 hr |
| Dec 28, 3:44 AM PST | Freeze Warning | VEF | 50 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 |
| Flooding | |
| Flash Flood Warning | 18 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 24 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 9 |
| Heat | |
| Excessive Heat Warning | 6 |
| Excessive Heat Watch | 5 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Dust Storm Warning | 3 |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 22 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.