Alert archive / Alabama / Mobile County
Weather alerts in Mobile County, Alabama, 2009
167 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mobile County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 167
- Warnings
- 84
- Watches
- 18
- Advisories
- 26
- Busiest month
- March42 alerts
- Busiest day
- March 28, 200914 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 warnings covering Mobile County in 2009 had a tornado report inside them.
Mobile County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 46 | 8 | 83% | 8 | 75% | 28 min |
| Flash flood warnings | 17 | 10 | 41% | 10 | 80% | 84 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Mobile, AL: tornado warnings | 53 | 2 | 96% | 5 | 60% | 23 min |
| NWS Mobile, AL: severe thunderstorm warnings | 313 | 51 | 84% | 92 | 73% | 24 min |
| NWS Mobile, AL: flash flood warnings | 77 | 28 | 64% | 58 | 78% | 84 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 12:32 PM CST | Mesoscale Discussion | SPC | 88 min |
| Jan 3, 5:32 PM CST | Areal Flood Advisory | MOB | 2 hr |
| Jan 6, 9:43 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 6, 2:03 PM CST | Tornado Watch | SPC | 5 hr |
| Jan 6, 9:07 PM CST | Areal Flood Advisory | MOB | 113 min |
| Jan 6, 9:49 PM CST | Areal Flood Advisory | MOB | 116 min |
| Jan 6, 10:52 PM CST | Areal Flood Advisory | MOB | 113 min |
| Jan 10, 10:25 AM CST | Areal Flood Advisory | MOB | 70 min |
| Feb 11, 9:36 AM CST | Mesoscale Discussion | SPC | 84 min |
| Feb 13, 1:23 PM CST | Severe Thunderstorm Warning | MOB | 37 min |
| Feb 14, 7:54 AM CST | Areal Flood Advisory | MOB | 3 hr |
| Feb 18, 4:58 PM CST | Mesoscale Discussion | SPC | 92 min |
| Feb 18, 7:42 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 16, 12:53 PM CDT | Areal Flood Advisory | MOB | 112 min |
| Mar 26, 1:25 AM CDT | Mesoscale Discussion | SPC | 35 min |
| Mar 26, 1:36 AM CDT | Tornado Watch | SPC | 9 hr |
| Mar 26, 3:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Mar 26, 5:03 AM CDT | Severe Thunderstorm Warning | MOB | 42 min |
| Mar 26, 5:29 AM CDT | Severe Thunderstorm Warning | MOB | 46 min |
| Mar 26, 6:11 AM CDT | Severe Thunderstorm Warning | MOB | 49 min |
| Mar 26, 5:56 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 26, 10:46 PM CDT | Areal Flood Warning | MOB | 6 hr |
| Mar 26, 11:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 27, 12:48 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 27, 1:07 AM CDT | Flash Flood Warning | MOB | 4 hr |
| Mar 27, 2:23 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Mar 27, 2:47 AM CDT | Severe Thunderstorm Warning | MOB | 43 min |
| Mar 27, 3:12 AM CDT | Areal Flood Advisory | MOB | 108 min |
| Mar 27, 3:28 AM CDT | Severe Thunderstorm Warning | MOB | 47 min |
| Mar 27, 10:09 AM CDT | River Flood Warning | MOB | 47 hr |
| Mar 27, 2:44 PM CDT | Areal Flood Warning | MOB | 12 hr |
| Mar 27, 8:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 27, 9:39 PM CDT | Severe Thunderstorm Warning | MOB | 51 min |
| Mar 27, 10:09 PM CDT | Tornado Watch | SPC | 9 hr |
| Mar 27, 11:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 28, 1:01 AM CDT | Flash Flood Warning | MOB | 119 min |
| Mar 28, 2:35 AM CDT | Severe Thunderstorm Warning | MOB | 55 min |
| Mar 28, 2:50 AM CDT | Tornado Warning | MOB | 15 min |
| Mar 28, 3:01 AM CDT | Flash Flood Warning | MOB | 89 min |
| Mar 28, 3:14 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Mar 28, 3:25 AM CDT | Severe Thunderstorm Warning | MOB | 65 min |
| Mar 28, 4:25 AM CDT | Mesoscale Discussion | SPC | 35 min |
| Mar 28, 4:29 AM CDT | Flash Flood Warning | MOB | 3 hr |
| Mar 28, 4:50 AM CDT | Tornado Watch | SPC | 5 hr |
| Mar 28, 12:53 PM CDT | Areal Flood Warning | MOB | 12 hr |
| Mar 28, 11:31 PM CDT | Areal Flood Warning | MOB | 8 hr |
| Mar 31, 8:44 AM CDT | River Flood Warning | MOB | 8 days |
| Mar 31, 11:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 31, 12:52 PM CDT | Severe Thunderstorm Warning | MOB | 38 min |
| Mar 31, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 31, 1:10 PM CDT | Severe Thunderstorm Warning | MOB | 50 min |
| Mar 31, 1:35 PM CDT | Severe Thunderstorm Warning | MOB | 42 min |
| Mar 31, 2:41 PM CDT | Flash Flood Warning | MOB | 6 hr |
| Mar 31, 3:43 PM CDT | River Flood Warning | MOB | 29 hr |
| Mar 31, 5:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Mar 31, 9:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 2, 6:29 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 2, 1:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 2, 1:33 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 2, 2:38 PM CDT | Severe Thunderstorm Warning | MOB | 52 min |
| Apr 2, 2:41 PM CDT | Severe Thunderstorm Warning | MOB | 53 min |
| Apr 2, 2:57 PM CDT | River Flood Warning | MOB | 5 days |
| Apr 2, 3:18 PM CDT | Areal Flood Advisory | MOB | 117 min |
| Apr 2, 3:28 PM CDT | Severe Thunderstorm Warning | MOB | 62 min |
| Apr 5, 5:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 12, 8:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 12, 8:30 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 12, 10:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 13, 1:57 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 13, 2:33 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 13, 2:35 AM CDT | Severe Thunderstorm Warning | MOB | 40 min |
| Apr 13, 3:50 AM CDT | Flash Flood Warning | MOB | 3 hr |
| Apr 13, 4:32 AM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 13, 7:12 AM CDT | Flash Flood Warning | MOB | 3 hr |
| Apr 13, 7:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 8:35 AM CDT | Severe Thunderstorm Warning | MOB | 40 min |
| Apr 13, 11:30 AM CDT | River Flood Warning | MOB | 23 hr |
| Apr 19, 12:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 19, 2:19 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 19, 4:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 3, 11:35 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 4, 2:12 AM CDT | Mesoscale Discussion | SPC | 93 min |
| May 4, 2:34 AM CDT | Tornado Watch | SPC | 5 hr |
| May 4, 3:00 AM CDT | Severe Thunderstorm Warning | MOB | 45 min |
| May 4, 3:40 AM CDT | Severe Thunderstorm Warning | MOB | 65 min |
| May 4, 4:29 AM CDT | Severe Thunderstorm Warning | MOB | 61 min |
| May 4, 4:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 6:34 AM CDT | Severe Thunderstorm Warning | MOB | 41 min |
| May 4, 6:55 AM CDT | Flash Flood Warning | MOB | 3 hr |
| May 4, 7:33 AM CDT | Tornado Watch | SPC | 6 hr |
| May 4, 8:56 AM CDT | Flash Flood Warning | MOB | 4 hr |
| May 4, 10:37 AM CDT | Flash Flood Warning | MOB | 3 hr |
| May 4, 1:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 5, 2:27 PM CDT | Severe Thunderstorm Warning | MOB | 25 min |
| May 12, 3:51 PM CDT | Severe Thunderstorm Warning | MOB | 11 min |
| May 12, 3:54 PM CDT | Severe Thunderstorm Warning | MOB | 51 min |
| May 14, 3:14 PM CDT | Severe Thunderstorm Warning | MOB | 28 min |
| May 15, 1:56 PM CDT | Severe Thunderstorm Warning | MOB | 30 min |
| May 17, 3:43 PM CDT | Areal Flood Advisory | MOB | 3 hr |
| May 23, 2:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| May 23, 7:40 AM CDT | Areal Flood Advisory | MOB | 3 hr |
| May 23, 8:35 AM CDT | Flash Flood Warning | MOB | 5 hr |
| May 23, 8:44 AM CDT | Severe Thunderstorm Warning | MOB | 31 min |
| May 28, 5:13 PM CDT | Severe Thunderstorm Warning | MOB | 32 min |
| Jun 24, 1:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 8, 6:14 PM CDT | Severe Thunderstorm Warning | MOB | 31 min |
| Jul 8, 6:53 PM CDT | Severe Thunderstorm Warning | MOB | 37 min |
| Jul 8, 7:39 PM CDT | Flash Flood Warning | MOB | 96 min |
| Jul 15, 5:37 PM CDT | Severe Thunderstorm Warning | MOB | 38 min |
| Jul 15, 5:53 PM CDT | Areal Flood Advisory | MOB | 3 hr |
| Jul 15, 6:37 PM CDT | Severe Thunderstorm Warning | MOB | 38 min |
| Jul 25, 2:00 PM CDT | Severe Thunderstorm Warning | MOB | 45 min |
| Jul 26, 3:05 PM CDT | Severe Thunderstorm Warning | MOB | 15 min |
| Jul 26, 3:32 PM CDT | Severe Thunderstorm Warning | MOB | 21 min |
| Jul 26, 3:51 PM CDT | Severe Thunderstorm Warning | MOB | 21 min |
| Aug 1, 1:14 PM CDT | Areal Flood Advisory | MOB | 2 hr |
| Aug 3, 2:45 PM CDT | Severe Thunderstorm Warning | MOB | 45 min |
| Aug 4, 3:17 PM CDT | Severe Thunderstorm Warning | MOB | 43 min |
| Aug 4, 4:00 PM CDT | Severe Thunderstorm Warning | MOB | 60 min |
| Aug 4, 4:54 PM CDT | Areal Flood Advisory | MOB | 3 hr |
| Aug 4, 7:03 PM CDT | Severe Thunderstorm Warning | MOB | 27 min |
| Aug 5, 5:01 PM CDT | Areal Flood Advisory | MOB | 119 min |
| Aug 21, 2:49 PM CDT | Areal Flood Advisory | MOB | 116 min |
| Aug 30, 12:14 PM CDT | Areal Flood Advisory | MOB | 2 hr |
| Aug 30, 12:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 12, 5:13 AM CDT | Areal Flood Advisory | MOB | 3 hr |
| Sep 14, 10:45 AM CDT | Areal Flood Advisory | MOB | 2 hr |
| Sep 15, 11:14 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 18, 11:22 AM CDT | Areal Flood Advisory | MOB | 53 min |
| Sep 21, 9:48 AM CDT | Areal Flood Advisory | MOB | 117 min |
| Sep 21, 10:11 AM CDT | Flash Flood Warning | MOB | 87 min |
| Sep 22, 3:51 PM CDT | Areal Flood Advisory | MOB | 54 min |
| Oct 14, 1:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Oct 14, 3:08 AM CDT | Severe Thunderstorm Warning | MOB | 52 min |
| Oct 15, 8:25 PM CDT | Severe Thunderstorm Warning | MOB | 35 min |
| Oct 22, 10:08 AM CDT | River Flood Warning | MOB | 5 hr |
| Oct 23, 10:36 AM CDT | River Flood Warning | MOB | 8 hr |
| Nov 9, 12:43 PM CST | River Flood Warning | MOB | 25 hr |
| Nov 9, 10:36 PM CST | Flash Flood Warning | MOB | 3 hr |
| Nov 30, 12:30 PM CST | Areal Flood Advisory | MOB | 2 hr |
| Dec 2, 3:11 AM CST | Tornado Watch | SPC | 6 hr |
| Dec 2, 5:02 AM CST | Mesoscale Discussion | SPC | 58 min |
| Dec 8, 7:41 AM CST | Areal Flood Advisory | MOB | 2 hr |
| Dec 12, 9:42 AM CST | Areal Flood Advisory | MOB | 6 hr |
| Dec 12, 7:48 PM CST | Areal Flood Advisory | MOB | 4 hr |
| Dec 13, 12:34 AM CST | Areal Flood Warning | MOB | 6 hr |
| Dec 13, 11:05 AM CST | River Flood Warning | MOB | 25 hr |
| Dec 14, 4:53 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 14, 7:09 PM CST | Flash Flood Warning | MOB | 3 hr |
| Dec 14, 7:51 PM CST | Flash Flood Warning | MOB | 3 hr |
| Dec 14, 8:47 PM CST | River Flood Warning | MOB | 25 hr |
| Dec 14, 9:57 PM CST | Flash Flood Warning | MOB | 4 hr |
| Dec 15, 1:18 AM CST | Areal Flood Warning | MOB | 8 hr |
| Dec 15, 3:22 AM CST | Mesoscale Discussion | SPC | 83 min |
| Dec 15, 9:22 AM CST | Areal Flood Warning | MOB | 8 hr |
| Dec 18, 9:35 AM CST | River Flood Warning | MOB | 8 days |
| Dec 19, 6:56 PM CST | River Flood Warning | MOB | 40 hr |
| Dec 23, 10:13 AM CST | River Flood Warning | MOB | 4 days |
| Dec 24, 10:13 AM CST | Mesoscale Discussion | SPC | 62 min |
| Dec 24, 10:37 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 24, 1:14 PM CST | Mesoscale Discussion | SPC | 61 min |
| Dec 24, 3:33 PM CST | Mesoscale Discussion | SPC | 57 min |
| Dec 24, 4:02 PM CST | Severe Thunderstorm Warning | MOB | 58 min |
| Dec 24, 4:25 PM CST | Severe Thunderstorm Warning | MOB | 65 min |
| Dec 24, 4:46 PM CST | Mesoscale Discussion | SPC | 59 min |
| Dec 24, 4:55 PM CST | Severe Thunderstorm Warning | MOB | 65 min |
| Dec 24, 5:16 PM CST | Severe Thunderstorm Warning | MOB | 44 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 | 46 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 15 |
| Mesoscale Discussion | 39 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 17 |
| River Flood Warning | 13 |
| Areal Flood Advisory | 26 |
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.