Alert archive / Arizona / Cochise County
Weather alerts in Cochise County, Arizona, 2011
223 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cochise County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 223
- Warnings
- 97
- Watches
- 8
- Advisories
- 96
- Busiest month
- July61 alerts
- Busiest day
- September 10, 201112 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Cochise County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 53 | 4 | 92% | 8 | 50% | 14 min |
| Flash flood warnings | 37 | 5 | 86% | 9 | 56% | 49 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tucson, AZ: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS Tucson, AZ: severe thunderstorm warnings | 163 | 24 | 85% | 84 | 75% | 20 min |
| NWS Tucson, AZ: flash flood warnings | 73 | 14 | 81% | 29 | 62% | 42 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 |
|---|---|---|---|
| Feb 1, 2:23 PM MST | Wind Chill Watch | TWC | 13 hr |
| Feb 2, 3:50 AM MST | Wind Chill Warning | TWC | 31 hr |
| Feb 7, 2:05 PM MST | Wind Advisory | TWC | 29 hr |
| Feb 8, 12:15 PM MST | Dust Storm Warning | TWC | 105 min |
| Feb 18, 3:17 PM MST | Wind Advisory | TWC | 27 hr |
| Feb 25, 2:01 AM MST | Winter Storm Watch | TWC | 36 hr |
| Feb 25, 2:03 PM MST | Wind Advisory | TWC | 24 hr |
| Feb 26, 2:28 AM MST | Winter Storm Warning | TWC | 32 hr |
| Feb 26, 1:41 PM MST | Winter Weather Advisory | TWC | 13 hr |
| Feb 26, 9:35 PM MST | Wind Advisory | TWC | 4 hr |
| Mar 7, 3:08 AM MST | Wind Advisory | TWC | 17 hr |
| Mar 7, 12:58 PM MST | Dust Storm Warning | TWC | 2 hr |
| Mar 21, 1:58 AM MST | Wind Advisory | TWC | 17 hr |
| Apr 2, 2:19 PM MST | Wind Advisory | TWC | 29 hr |
| Apr 7, 2:16 PM MST | Wind Advisory | TWC | 30 hr |
| Apr 8, 2:28 AM MST | Winter Storm Watch | TWC | 12 hr |
| Apr 8, 2:44 PM MST | Winter Weather Advisory | TWC | 32 hr |
| Apr 8, 2:47 PM MST | Wind Advisory | TWC | 29 hr |
| Apr 10, 2:36 AM MST | Dense Fog Advisory | TWC | 5 hr |
| Apr 25, 2:05 PM MST | Wind Advisory | TWC | 29 hr |
| Apr 28, 2:28 PM MST | Wind Advisory | TWC | 29 hr |
| May 8, 1:59 PM MST | Wind Advisory | TWC | 30 hr |
| May 10, 2:33 AM MST | Wind Advisory | TWC | 16 hr |
| May 16, 2:09 PM MST | High Wind Watch | TWC | 24 hr |
| May 17, 1:45 PM MST | Wind Advisory | TWC | 29 hr |
| May 28, 1:58 PM MST | Wind Advisory | TWC | 30 hr |
| Jun 18, 1:44 PM MST | Wind Advisory | TWC | 29 hr |
| Jun 21, 11:00 AM MST | Heat Advisory | TWC | 32 hr |
| Jun 21, 11:00 AM MST | Heat Advisory | TWC | 40 hr |
| Jun 26, 10:05 AM MST | Heat Advisory | TWC | 32 hr |
| Jun 26, 11:15 AM MST | Heat Advisory | TWC | 55 hr |
| Jun 28, 4:44 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Jun 29, 1:41 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 5:16 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 29, 5:40 PM MST | Severe Thunderstorm Warning | TWC | 50 min |
| Jun 29, 6:28 PM MST | Severe Thunderstorm Warning | TWC | 47 min |
| Jun 29, 6:58 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 29, 11:34 PM MST | Areal Flood Advisory | TWC | 86 min |
| Jun 30, 2:52 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jun 30, 3:00 PM MST | Heat Advisory | TWC | 28 hr |
| Jun 30, 3:00 PM MST | Heat Advisory | TWC | 52 hr |
| Jun 30, 3:30 PM MST | Severe Thunderstorm Warning | TWC | 29 min |
| Jun 30, 3:37 PM MST | Areal Flood Advisory | TWC | 84 min |
| Jul 4, 12:57 PM MST | Mesoscale Discussion | SPC | 63 min |
| Jul 4, 1:38 PM MST | Areal Flood Advisory | TWC | 112 min |
| Jul 4, 2:46 PM MST | Severe Thunderstorm Warning | TWC | 44 min |
| Jul 5, 1:42 PM MST | Mesoscale Discussion | SPC | 63 min |
| Jul 5, 4:03 PM MST | Severe Thunderstorm Warning | TWC | 42 min |
| Jul 5, 4:46 PM MST | Flash Flood Warning | TWC | 119 min |
| Jul 5, 6:44 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 6, 12:35 PM MST | Areal Flood Advisory | TWC | 85 min |
| Jul 6, 5:07 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 6, 5:19 PM MST | Severe Thunderstorm Warning | TWC | 41 min |
| Jul 7, 2:36 PM MST | Special Weather Statement | TWC | 24 min |
| Jul 7, 2:40 PM MST | Severe Thunderstorm Warning | TWC | 50 min |
| Jul 7, 3:16 PM MST | Flash Flood Warning | TWC | 119 min |
| Jul 7, 3:34 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 7, 3:54 PM MST | Severe Thunderstorm Warning | TWC | 51 min |
| Jul 7, 4:20 PM MST | Severe Thunderstorm Warning | TWC | 40 min |
| Jul 8, 3:02 PM MST | Severe Thunderstorm Warning | TWC | 28 min |
| Jul 8, 3:24 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jul 9, 6:08 AM MST | Areal Flood Advisory | TWC | 112 min |
| Jul 9, 1:32 PM MST | Flash Flood Warning | TWC | 3 hr |
| Jul 9, 2:58 PM MST | Severe Thunderstorm Warning | TWC | 47 min |
| Jul 9, 6:10 PM MST | Areal Flood Advisory | TWC | 110 min |
| Jul 10, 2:03 PM MST | Flash Flood Warning | TWC | 117 min |
| Jul 11, 5:58 PM MST | Severe Thunderstorm Warning | TWC | 47 min |
| Jul 11, 6:06 PM MST | Flash Flood Warning | TWC | 114 min |
| Jul 11, 7:12 PM MST | Severe Thunderstorm Warning | TWC | 33 min |
| Jul 11, 7:46 PM MST | Severe Thunderstorm Warning | TWC | 29 min |
| Jul 18, 1:10 PM MST | Areal Flood Advisory | TWC | 95 min |
| Jul 18, 1:28 PM MST | Special Weather Statement | TWC | 32 min |
| Jul 20, 2:24 PM MST | Areal Flood Advisory | TWC | 81 min |
| Jul 20, 3:58 PM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Jul 20, 4:01 PM MST | Severe Thunderstorm Warning | TWC | 29 min |
| Jul 20, 4:25 PM MST | Flash Flood Warning | TWC | 110 min |
| Jul 20, 5:49 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 21, 12:52 PM MST | Areal Flood Advisory | TWC | 113 min |
| Jul 23, 3:45 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Jul 23, 4:00 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Jul 23, 4:32 PM MST | Flash Flood Warning | TWC | 118 min |
| Jul 23, 4:38 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Jul 23, 9:23 PM MST | Areal Flood Advisory | TWC | 82 min |
| Jul 24, 5:41 AM MST | Areal Flood Advisory | TWC | 111 min |
| Jul 24, 6:36 AM MST | Flash Flood Watch | TWC | 13 hr |
| Jul 24, 1:37 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 24, 4:18 PM MST | Severe Thunderstorm Warning | TWC | 42 min |
| Jul 24, 4:25 PM MST | Flash Flood Warning | TWC | 3 hr |
| Jul 24, 4:38 PM MST | Flash Flood Warning | TWC | 112 min |
| Jul 24, 5:03 PM MST | Areal Flood Advisory | TWC | 87 min |
| Jul 24, 5:40 PM MST | Severe Thunderstorm Warning | TWC | 35 min |
| Jul 24, 6:13 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 24, 7:15 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 25, 11:54 AM MST | Areal Flood Advisory | TWC | 2 hr |
| Jul 25, 3:06 PM MST | Flash Flood Warning | TWC | 114 min |
| Jul 26, 10:10 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 26, 10:20 AM MST | Flash Flood Warning | TWC | 115 min |
| Jul 26, 11:51 AM MST | Flash Flood Warning | TWC | 114 min |
| Jul 26, 1:58 PM MST | Areal Flood Advisory | TWC | 64 min |
| Jul 27, 12:23 PM MST | Flash Flood Warning | TWC | 112 min |
| Jul 28, 5:08 PM MST | Areal Flood Advisory | TWC | 82 min |
| Jul 28, 9:11 PM MST | Areal Flood Advisory | TWC | 109 min |
| Jul 28, 9:36 PM MST | Areal Flood Advisory | TWC | 114 min |
| Jul 29, 7:04 PM MST | Special Weather Statement | TWC | 41 min |
| Jul 31, 5:06 PM MST | Flash Flood Warning | TWC | 114 min |
| Jul 31, 5:47 PM MST | Flash Flood Warning | TWC | 118 min |
| Jul 31, 7:00 PM MST | Flash Flood Warning | TWC | 90 min |
| Jul 31, 7:54 PM MST | Areal Flood Advisory | TWC | 81 min |
| Aug 1, 2:54 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 2, 7:00 PM MST | Severe Thunderstorm Warning | TWC | 14 min |
| Aug 3, 11:49 AM MST | Flash Flood Warning | TWC | 116 min |
| Aug 3, 1:49 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 3, 5:17 PM MST | Areal Flood Advisory | TWC | 91 min |
| Aug 5, 1:11 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 5, 2:52 PM MST | Areal Flood Advisory | TWC | 113 min |
| Aug 5, 4:27 PM MST | Areal Flood Advisory | TWC | 93 min |
| Aug 7, 12:13 PM MST | Severe Thunderstorm Warning | TWC | 47 min |
| Aug 7, 1:06 PM MST | Areal Flood Advisory | TWC | 105 min |
| Aug 8, 2:31 PM MST | Flash Flood Warning | TWC | 119 min |
| Aug 9, 2:01 PM MST | Flash Flood Warning | TWC | 89 min |
| Aug 10, 2:13 PM MST | Special Weather Statement | TWC | 32 min |
| Aug 10, 2:38 PM MST | Areal Flood Advisory | TWC | 82 min |
| Aug 10, 3:28 PM MST | Special Weather Statement | TWC | 32 min |
| Aug 10, 4:07 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Aug 11, 1:07 PM MST | Special Weather Statement | TWC | 23 min |
| Aug 11, 1:24 PM MST | Areal Flood Advisory | TWC | 81 min |
| Aug 11, 6:55 PM MST | Flash Flood Warning | TWC | 110 min |
| Aug 11, 8:49 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 12, 6:58 PM MST | Severe Thunderstorm Warning | TWC | 62 min |
| Aug 12, 7:33 PM MST | Areal Flood Advisory | TWC | 117 min |
| Aug 12, 8:27 PM MST | Special Weather Statement | TWC | 48 min |
| Aug 13, 2:21 PM MST | Flash Flood Warning | TWC | 84 min |
| Aug 13, 3:21 PM MST | Severe Thunderstorm Warning | TWC | 39 min |
| Aug 13, 3:55 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 13, 5:07 PM MST | Flash Flood Warning | TWC | 83 min |
| Aug 14, 1:30 AM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 15, 1:53 PM MST | Areal Flood Advisory | TWC | 112 min |
| Aug 15, 3:57 PM MST | Special Weather Statement | TWC | 33 min |
| Aug 17, 12:22 PM MST | Areal Flood Advisory | TWC | 83 min |
| Aug 17, 2:29 PM MST | Flash Flood Warning | TWC | 91 min |
| Aug 17, 3:44 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 17, 3:53 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Aug 17, 4:27 PM MST | Severe Thunderstorm Warning | TWC | 33 min |
| Aug 17, 4:30 PM MST | Flash Flood Warning | TWC | 90 min |
| Aug 17, 4:57 PM MST | Severe Thunderstorm Warning | TWC | 33 min |
| Aug 17, 5:15 PM MST | Flash Flood Warning | TWC | 90 min |
| Aug 17, 5:28 PM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Aug 18, 11:27 AM MST | Areal Flood Advisory | TWC | 78 min |
| Aug 18, 1:31 PM MST | Severe Thunderstorm Warning | TWC | 44 min |
| Aug 18, 2:14 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Aug 18, 2:15 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Aug 18, 4:39 PM MST | Flash Flood Warning | TWC | 81 min |
| Aug 19, 7:58 PM MST | Special Weather Statement | TWC | 32 min |
| Aug 20, 12:00 PM MST | Flash Flood Warning | TWC | 90 min |
| Aug 21, 6:56 PM MST | Severe Thunderstorm Warning | TWC | 34 min |
| Aug 21, 7:08 PM MST | Areal Flood Advisory | TWC | 82 min |
| Aug 22, 6:18 PM MST | Flash Flood Warning | TWC | 110 min |
| Aug 23, 2:30 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Aug 23, 3:34 PM MST | Flash Flood Warning | TWC | 86 min |
| Aug 23, 4:04 PM MST | Severe Thunderstorm Warning | TWC | 26 min |
| Aug 24, 1:13 PM MST | Special Weather Statement | TWC | 32 min |
| Aug 24, 5:32 PM MST | Special Weather Statement | TWC | 28 min |
| Aug 29, 5:01 PM MST | Special Weather Statement | TWC | 44 min |
| Aug 31, 2:08 PM MST | Areal Flood Advisory | TWC | 101 min |
| Aug 31, 3:48 PM MST | Areal Flood Advisory | TWC | 117 min |
| Aug 31, 5:49 PM MST | Areal Flood Advisory | TWC | 86 min |
| Sep 1, 4:39 PM MST | Areal Flood Advisory | TWC | 51 min |
| Sep 1, 5:12 PM MST | Areal Flood Advisory | TWC | 38 min |
| Sep 7, 4:02 PM MST | Mesoscale Discussion | SPC | 118 min |
| Sep 7, 6:26 PM MST | Areal Flood Advisory | TWC | 85 min |
| Sep 9, 11:35 AM MST | Flash Flood Watch | TWC | 10 hr |
| Sep 9, 1:00 PM MST | Mesoscale Discussion | SPC | 90 min |
| Sep 9, 1:34 PM MST | Areal Flood Advisory | TWC | 86 min |
| Sep 9, 2:41 PM MST | Severe Thunderstorm Warning | TWC | 34 min |
| Sep 9, 4:39 PM MST | Severe Thunderstorm Warning | TWC | 36 min |
| Sep 9, 6:09 PM MST | Severe Thunderstorm Warning | TWC | 66 min |
| Sep 9, 7:52 PM MST | Flash Flood Warning | TWC | 83 min |
| Sep 9, 9:17 PM MST | Flash Flood Warning | TWC | 58 min |
| Sep 10, 2:49 PM MST | Special Weather Statement | TWC | 41 min |
| Sep 10, 3:00 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Sep 10, 3:05 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 3:23 PM MST | Severe Thunderstorm Warning | TWC | 52 min |
| Sep 10, 3:45 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Sep 10, 3:51 PM MST | Areal Flood Advisory | TWC | 84 min |
| Sep 10, 4:06 PM MST | Flash Flood Warning | TWC | 114 min |
| Sep 10, 4:12 PM MST | Severe Thunderstorm Warning | TWC | 48 min |
| Sep 10, 4:46 PM MST | Flash Flood Warning | TWC | 89 min |
| Sep 10, 5:17 PM MST | Areal Flood Advisory | TWC | 88 min |
| Sep 10, 6:08 PM MST | Flash Flood Warning | TWC | 82 min |
| Sep 10, 7:20 PM MST | Areal Flood Advisory | TWC | 85 min |
| Sep 13, 3:36 PM MST | Special Weather Statement | TWC | 39 min |
| Sep 13, 5:14 PM MST | Areal Flood Advisory | TWC | 91 min |
| Sep 13, 6:59 PM MST | Flash Flood Warning | TWC | 91 min |
| Sep 13, 7:34 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 14, 12:16 PM MST | Severe Thunderstorm Warning | TWC | 59 min |
| Sep 14, 1:15 PM MST | Severe Thunderstorm Warning | TWC | 60 min |
| Sep 14, 1:27 PM MST | Severe Thunderstorm Warning | TWC | 48 min |
| Sep 14, 4:36 PM MST | Flash Flood Warning | TWC | 114 min |
| Sep 15, 1:08 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 15, 3:16 PM MST | Severe Thunderstorm Warning | TWC | 44 min |
| Sep 15, 3:53 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Sep 15, 4:14 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Sep 15, 6:09 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 27, 1:07 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Oct 2, 12:40 PM MST | Special Weather Statement | TWC | 50 min |
| Oct 2, 12:50 PM MST | Special Weather Statement | TWC | 40 min |
| Oct 2, 1:22 PM MST | Flash Flood Warning | TWC | 113 min |
| Oct 4, 1:03 PM MST | Blowing Dust Advisory | TWC | 6 hr |
| Oct 4, 1:56 PM MST | Severe Thunderstorm Warning | TWC | 41 min |
| Nov 3, 2:24 AM MST | Wind Advisory | TWC | 51 hr |
| Nov 4, 2:44 PM MST | High Wind Warning | TWC | 14 hr |
| Nov 6, 2:33 PM MST | Freeze Watch | TWC | 22 hr |
| Nov 7, 12:53 PM MST | Freeze Warning | TWC | 20 hr |
| Nov 13, 11:15 PM MST | Dense Fog Advisory | TWC | 10 hr |
| Dec 1, 3:32 AM MST | Winter Weather Advisory | TWC | 40 hr |
| Dec 1, 5:54 AM MST | Wind Advisory | TWC | 14 hr |
| Dec 3, 6:38 AM MST | Winter Weather Advisory | TWC | 23 hr |
| Dec 4, 4:42 AM MST | Dense Fog Advisory | TWC | 4 hr |
| Dec 11, 3:33 AM MST | Winter Storm Watch | TWC | 24 hr |
| Dec 12, 3:48 AM MST | Winter Storm Warning | TWC | 47 hr |
| Dec 15, 3:38 AM MST | Dense Fog Advisory | TWC | 5 hr |
| Dec 17, 2:19 AM MST | Winter Weather Advisory | TWC | 56 hr |
| Dec 22, 3:01 AM MST | Winter Weather Advisory | TWC | 32 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 | 53 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 16 |
| Flooding | |
| Flash Flood Warning | 37 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 61 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Watch | 1 |
| Wind and dust | |
| Dust Storm Warning | 2 |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 18 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.