Alert archive / Arizona / Mohave County
Weather alerts in Mohave County, Arizona, 2015
180 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mohave County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 180
- Warnings
- 97
- Watches
- 13
- Advisories
- 65
- Busiest month
- July50 alerts
- Busiest day
- July 18, 201520 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Mohave County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 31 | 9 | 71% | 25 | 64% | 21 min |
| Flash flood warnings | 54 | 26 | 52% | 40 | 80% | 84 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 20, 3:48 AM MST | Lake Wind Advisory | VEF | 39 hr |
| Jan 23, 3:52 PM MST | Lake Wind Advisory | VEF | 28 hr |
| Feb 20, 2:41 PM MST | Winter Storm Watch | VEF | 25 hr |
| Feb 21, 3:25 PM MST | Winter Storm Warning | VEF | 50 hr |
| Feb 23, 3:53 PM MST | Lake Wind Advisory | VEF | 26 hr |
| Mar 1, 4:11 AM MST | Winter Weather Advisory | VEF | 37 hr |
| Mar 24, 9:54 AM MST | Wind Advisory | VEF | 33 hr |
| Apr 4, 2:15 PM MST | Wind Advisory | VEF | 39 hr |
| Apr 13, 2:16 AM MST | Red Flag Warning | VEF | 45 hr |
| Apr 13, 3:21 AM MST | Wind Advisory | VEF | 63 hr |
| Apr 23, 2:33 PM MST | Wind Advisory | VEF | 3 days |
| Apr 25, 3:01 PM MST | Lake Wind Advisory | VEF | 28 hr |
| May 4, 11:04 AM MST | Areal Flood Advisory | VEF | 116 min |
| May 4, 11:47 AM MST | Areal Flood Advisory | VEF | 118 min |
| May 11, 2:38 AM MST | Wind Advisory | VEF | 41 hr |
| Jun 10, 11:27 PM MST | Flash Flood Warning | VEF | 93 min |
| Jun 11, 12:11 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Jun 12, 4:21 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Jun 13, 12:55 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jun 13, 1:23 PM MST | Areal Flood Advisory | VEF | 112 min |
| Jun 13, 2:29 PM MST | Areal Flood Advisory | VEF | 2 hr |
| Jun 13, 2:38 PM MST | Flash Flood Warning | VEF | 112 min |
| Jun 13, 9:45 PM MST | Severe Thunderstorm Warning | VEF | 45 min |
| Jun 15, 2:33 PM MST | Excessive Heat Watch | VEF | 48 hr |
| Jun 17, 2:44 PM MST | Excessive Heat Warning | VEF | 4 days |
| Jun 25, 9:02 AM MST | Excessive Heat Warning | VEF | 60 hr |
| Jun 28, 3:10 PM MST | Severe Thunderstorm Warning | VEF | 35 min |
| Jun 28, 5:47 PM MST | Areal Flood Advisory | VEF | 118 min |
| Jun 29, 7:04 PM MST | Severe Thunderstorm Warning | VEF | 41 min |
| Jun 30, 12:16 AM MST | Areal Flood Advisory | VEF | 119 min |
| Jun 30, 11:56 PM MST | Areal Flood Advisory | VEF | 109 min |
| Jul 1, 12:01 AM MST | Severe Thunderstorm Warning | VEF | 59 min |
| Jul 1, 5:24 PM MST | Severe Thunderstorm Warning | VEF | 36 min |
| Jul 1, 5:59 PM MST | Severe Thunderstorm Warning | VEF | 31 min |
| Jul 2, 4:25 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 5, 11:47 AM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 5, 5:25 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Jul 5, 11:44 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 1:53 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 6, 3:56 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Jul 6, 6:28 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 7, 2:52 AM MST | Flash Flood Watch | VEF | 17 hr |
| Jul 7, 1:38 PM MST | Special Weather Statement | FGZ | 22 min |
| Jul 7, 2:01 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 7, 3:07 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 8, 1:50 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Jul 16, 2:29 PM MST | Flash Flood Watch | VEF | 4 days |
| Jul 17, 5:54 PM MST | Severe Thunderstorm Warning | VEF | 36 min |
| Jul 17, 7:19 PM MST | Areal Flood Advisory | VEF | 4 hr |
| Jul 17, 9:45 PM MST | Areal Flood Warning | VEF | 12 hr |
| Jul 17, 10:27 PM MST | Severe Thunderstorm Warning | VEF | 48 min |
| Jul 17, 10:35 PM MST | Flash Flood Warning | VEF | 115 min |
| Jul 18, 12:27 AM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 18, 11:53 AM MST | Mesoscale Discussion | SPC | 67 min |
| Jul 18, 12:45 PM MST | Severe Thunderstorm Warning | VEF | 44 min |
| Jul 18, 12:57 PM MST | Severe Thunderstorm Warning | VEF | 33 min |
| Jul 18, 1:07 PM MST | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 18, 1:07 PM MST | Flash Flood Warning | VEF | 6 hr |
| Jul 18, 1:23 PM MST | Flash Flood Warning | VEF | 6 hr |
| Jul 18, 1:27 PM MST | Severe Thunderstorm Warning | VEF | 58 min |
| Jul 18, 1:36 PM MST | Severe Thunderstorm Warning | VEF | 39 min |
| Jul 18, 1:44 PM MST | Severe Thunderstorm Warning | VEF | 61 min |
| Jul 18, 1:50 PM MST | Flash Flood Warning | VEF | 5 hr |
| Jul 18, 2:11 PM MST | Severe Thunderstorm Warning | VEF | 49 min |
| Jul 18, 2:20 PM MST | Flash Flood Warning | VEF | 6 hr |
| Jul 18, 3:19 PM MST | Severe Thunderstorm Warning | VEF | 26 min |
| Jul 18, 3:53 PM MST | Mesoscale Discussion | SPC | 67 min |
| Jul 18, 6:09 PM MST | Areal Flood Warning | VEF | 12 hr |
| Jul 20, 1:46 AM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 20, 4:58 AM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 20, 6:01 AM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 29, 8:30 PM MST | Flash Flood Watch | VEF | 24 hr |
| Jul 30, 1:46 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 30, 2:29 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 30, 3:02 PM MST | Severe Thunderstorm Warning | VEF | 58 min |
| Jul 30, 3:20 PM MST | Severe Thunderstorm Warning | VEF | 55 min |
| Jul 30, 3:28 PM MST | Flash Flood Warning | VEF | 3 hr |
| Jul 30, 5:18 PM MST | Areal Flood Warning | VEF | 12 hr |
| Jul 31, 2:50 AM MST | Flash Flood Watch | VEF | 44 hr |
| Jul 31, 3:36 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 2, 2:26 AM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 5, 2:31 PM MST | Flash Flood Watch | VEF | 53 hr |
| Aug 6, 6:00 PM MST | Flash Flood Warning | VEF | 5 hr |
| Aug 6, 7:38 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 6, 11:31 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 7, 12:27 AM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 7, 12:48 AM MST | Flash Flood Warning | VEF | 117 min |
| Aug 7, 2:31 AM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 7, 7:23 AM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 7, 7:30 AM MST | Severe Thunderstorm Warning | VEF | 30 min |
| Aug 7, 7:55 AM MST | Severe Thunderstorm Warning | VEF | 35 min |
| Aug 7, 12:30 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 7, 1:34 PM MST | Severe Thunderstorm Warning | VEF | 26 min |
| Aug 7, 1:59 PM MST | Severe Thunderstorm Warning | VEF | 31 min |
| Aug 7, 2:47 PM MST | Severe Thunderstorm Warning | VEF | 28 min |
| Aug 7, 3:30 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 9, 12:19 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 9, 2:09 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 9, 3:12 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 11, 10:28 AM MST | Mesoscale Discussion | SPC | 92 min |
| Aug 11, 1:41 PM MST | Areal Flood Advisory | VEF | 109 min |
| Aug 13, 3:13 AM MST | Excessive Heat Watch | VEF | 24 hr |
| Aug 13, 12:28 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 13, 1:20 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 13, 3:16 PM MST | Severe Thunderstorm Warning | VEF | 44 min |
| Aug 13, 3:34 PM MST | Areal Flood Advisory | VEF | 116 min |
| Aug 13, 4:03 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 13, 4:33 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 14, 3:13 AM MST | Excessive Heat Warning | VEF | 6 days |
| Aug 14, 3:13 PM MST | Areal Flood Advisory | VEF | 2 hr |
| Aug 14, 5:34 PM MST | Areal Flood Advisory | VEF | 116 min |
| Aug 22, 2:57 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 23, 12:40 PM MST | Flash Flood Warning | VEF | 3 hr |
| Aug 23, 12:53 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 25, 1:42 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 26, 11:05 AM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 26, 3:08 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Aug 28, 2:08 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 3, 2:34 PM MST | Wind Advisory | VEF | 52 hr |
| Sep 6, 5:15 PM MST | Areal Flood Advisory | VEF | 2 hr |
| Sep 7, 12:46 PM MST | Areal Flood Advisory | VEF | 119 min |
| Sep 8, 3:28 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 9, 2:51 PM MST | Flash Flood Warning | VEF | 114 min |
| Sep 10, 3:21 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 10, 4:18 PM MST | Flash Flood Warning | VEF | 117 min |
| Sep 12, 4:49 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 12, 7:53 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 14, 3:13 PM MST | Flash Flood Warning | VEF | 4 hr |
| Sep 15, 2:26 PM MST | Flash Flood Warning | VEF | 5 hr |
| Sep 20, 2:19 PM MST | Flash Flood Watch | VEF | 21 hr |
| Sep 21, 4:46 PM MST | Blowing Dust Advisory | VEF | 2 hr |
| Sep 22, 2:25 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Sep 22, 3:28 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 4, 6:08 PM MST | Severe Thunderstorm Warning | VEF | 37 min |
| Oct 5, 4:14 AM MST | Areal Flood Advisory | VEF | 2 hr |
| Oct 5, 8:19 AM MST | Areal Flood Advisory | VEF | 3 hr |
| Oct 5, 9:44 AM MST | Areal Flood Advisory | VEF | 4 hr |
| Oct 5, 9:50 AM MST | Areal Flood Advisory | VEF | 115 min |
| Oct 5, 11:36 AM MST | Areal Flood Advisory | VEF | 4 hr |
| Oct 5, 12:55 PM MST | Mesoscale Discussion | SPC | 3 hr |
| Oct 5, 6:43 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 6, 2:05 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 6, 2:40 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 6, 4:35 PM MST | Flash Flood Warning | VEF | 115 min |
| Oct 15, 9:24 PM MST | Flash Flood Watch | VEF | 3 days |
| Oct 16, 10:52 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Oct 17, 3:51 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 4:52 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 6:44 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 6:58 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 7:28 PM MST | Severe Thunderstorm Warning | VEF | 47 min |
| Oct 18, 7:45 PM MST | Severe Thunderstorm Warning | VEF | 30 min |
| Oct 18, 7:56 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 18, 8:13 PM MST | Severe Thunderstorm Warning | VEF | 47 min |
| Oct 18, 8:33 PM MST | Areal Flood Warning | VEF | 24 hr |
| Oct 18, 8:59 PM MST | Severe Thunderstorm Warning | VEF | 46 min |
| Oct 18, 9:45 PM MST | Severe Thunderstorm Warning | VEF | 60 min |
| Oct 19, 11:20 PM MST | Severe Thunderstorm Warning | VEF | 55 min |
| Oct 20, 7:22 AM MST | Severe Thunderstorm Warning | VEF | 23 min |
| Oct 20, 8:08 AM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 20, 1:46 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 20, 2:15 PM MST | Flash Flood Warning | VEF | 3 hr |
| Oct 20, 2:43 PM MST | Areal Flood Advisory | VEF | 3 hr |
| Oct 20, 5:56 PM MST | Areal Flood Advisory | VEF | 2 hr |
| Oct 29, 2:51 AM MST | Wind Advisory | VEF | 38 hr |
| Oct 31, 1:58 PM MST | Wind Advisory | VEF | 65 hr |
| Nov 4, 4:43 AM MST | Freeze Warning | VEF | 28 hr |
| Nov 6, 3:35 AM MST | Lake Wind Advisory | VEF | 36 hr |
| Nov 12, 3:29 AM MST | Lake Wind Advisory | VEF | 16 hr |
| Nov 14, 4:15 AM MST | Wind Advisory | VEF | 67 hr |
| Nov 15, 3:45 AM MST | Winter Weather Advisory | VEF | 33 hr |
| Dec 12, 3:16 PM MST | Winter Weather Advisory | VEF | 44 hr |
| Dec 12, 3:28 PM MST | Wind Advisory | VEF | 49 hr |
| Dec 14, 4:13 PM MST | Freeze Watch | VEF | 10 hr |
| Dec 15, 2:40 AM MST | Freeze Warning | VEF | 54 hr |
| Dec 15, 2:35 PM MST | Freeze Warning | VEF | 18 hr |
| Dec 23, 4:11 AM MST | Winter Weather Advisory | VEF | 55 hr |
| Dec 24, 2:58 PM MST | High Wind Watch | VEF | 13 hr |
| Dec 25, 3:42 AM MST | Wind Advisory | VEF | 51 hr |
| Dec 30, 1:14 PM MST | Lake Wind Advisory | VEF | 46 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.