Alert archive / Arizona / Cochise County
Weather alerts in Cochise County, Arizona, 2009
36 weather alerts in 2009, 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 2009. Tap one for its archive.
- Alerts
- 36
- Warnings
- 8
- Watches
- 1
- Advisories
- 18
- Busiest month
- June11 alerts
- Busiest day
- June 30, 20094 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 1 tornado reports fell inside a warning.
Cochise County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 5 | 1 | 80% | 2 | 0% | |
| Flash flood warnings | 3 | 0 | 100% | 1 | 0% |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tucson, AZ: tornado warnings | 0 | 1 | 0% | |||
| NWS Tucson, AZ: severe thunderstorm warnings | 44 | 12 | 73% | 38 | 55% | 14 min |
| NWS Tucson, AZ: flash flood warnings | 20 | 3 | 85% | 7 | 43% | 15 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 |
|---|---|---|---|
| Jun 25, 1:29 PM MST | Flash Flood Warning | TWC | 91 min |
| Jun 25, 3:54 PM MST | Areal Flood Advisory | TWC | 63 min |
| Jun 26, 4:08 PM MST | Areal Flood Advisory | TWC | 112 min |
| Jun 27, 4:51 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 27, 6:25 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 27, 6:45 PM MST | Flash Flood Warning | TWC | 90 min |
| Jun 28, 3:51 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 29, 5:07 PM MST | Flash Flood Warning | TWC | 83 min |
| Jun 29, 5:08 PM MST | Areal Flood Advisory | TWC | 79 min |
| Jun 29, 5:24 PM MST | Severe Thunderstorm Warning | TWC | 51 min |
| Jun 29, 6:24 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 30, 7:04 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 1, 4:27 PM MST | Areal Flood Advisory | TWC | 8 min |
| Jul 7, 12:52 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jul 7, 1:33 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 8, 3:45 PM MST | Special Weather Statement | TWC | 45 min |
| Jul 8, 4:27 PM MST | Special Weather Statement | TWC | 18 min |
| Jul 8, 5:29 PM MST | Severe Thunderstorm Warning | TWC | 31 min |
| Jul 22, 11:28 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 22, 8:23 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 5, 1:45 PM MST | Special Weather Statement | TWC | 60 min |
| Aug 13, 4:47 PM MST | Areal Flood Advisory | TWC | 88 min |
| Aug 20, 4:56 PM MST | Special Weather Statement | TWC | 49 min |
| Aug 20, 5:11 PM MST | Severe Thunderstorm Warning | TWC | 49 min |
| Aug 21, 3:10 PM MST | Mesoscale Discussion | SPC | 65 min |
| Aug 22, 6:22 PM MST | Special Weather Statement | TWC | 53 min |
| Aug 23, 4:05 PM MST | Areal Flood Advisory | TWC | 85 min |
| Aug 24, 2:13 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Sep 4, 4:57 PM MST | Areal Flood Advisory | TWC | 108 min |
| Sep 5, 4:38 PM MST | Areal Flood Advisory | TWC | 112 min |
| Sep 6, 8:55 AM MST | Areal Flood Advisory | TWC | 80 min |
| Oct 20, 9:30 AM MST | Mesoscale Discussion | SPC | 2 hr |
| Oct 20, 10:30 AM MST | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 20, 1:33 PM MST | Mesoscale Discussion | SPC | 87 min |
| Oct 20, 1:53 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Nov 29, 11:03 AM MST | Special Weather Statement | TWC | 42 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 | 5 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 6 |
| Flooding | |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 18 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.