Alert archive / Alabama / DeKalb County
Weather alerts in DeKalb County, Alabama, 2019
159 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
DeKalb County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 159
- Warnings
- 40
- Watches
- 12
- Advisories
- 27
- Busiest month
- June26 alerts
- Busiest day
- April 14, 20197 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 4 tornado warnings covering DeKalb County in 2019 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 18 minutes after it went out.
DeKalb County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 1 | 100% | 18 min |
| Severe thunderstorm warnings | 18 | 7 | 61% | 23 | 65% | 20 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Huntsville, AL: tornado warnings | 36 | 8 | 78% | 20 | 85% | 20 min |
| NWS Huntsville, AL: severe thunderstorm warnings | 134 | 56 | 58% | 359 | 64% | 26 min |
| NWS Huntsville, AL: flash flood warnings | 27 | 8 | 70% | 60 | 47% | 72 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 18, 4:54 AM CST | Dense Fog Advisory | HUN | 5 hr |
| Jan 19, 3:15 AM CST | Wind Advisory | HUN | 28 hr |
| Jan 22, 9:45 PM CST | Wind Advisory | HUN | 17 hr |
| Jan 23, 5:27 PM CST | Areal Flood Warning | HUN | 6 hr |
| Jan 23, 11:31 PM CST | Areal Flood Warning | HUN | 10 hr |
| Jan 27, 2:33 PM CST | Winter Storm Watch | HUN | 13 hr |
| Jan 28, 3:40 AM CST | Winter Storm Warning | HUN | 22 hr |
| Feb 7, 11:25 AM CST | Wind Advisory | HUN | 9 hr |
| Feb 18, 2:51 PM CST | Flood Watch | HUN | 3 days |
| Feb 19, 2:09 PM CST | Special Weather Statement | HUN | 51 min |
| Feb 19, 4:00 PM CST | Special Weather Statement | HUN | 30 min |
| Feb 19, 6:48 PM CST | Special Weather Statement | HUN | 42 min |
| Feb 20, 2:36 PM CST | Special Weather Statement | HUN | 24 min |
| Feb 21, 1:36 PM CST | Flash Flood Watch | HUN | 58 hr |
| Feb 22, 8:33 AM CST | Areal Flood Warning | HUN | 4 hr |
| Feb 22, 2:11 PM CST | Areal Flood Warning | HUN | 2 hr |
| Feb 22, 11:05 PM CST | Areal Flood Warning | HUN | 12 hr |
| Feb 23, 11:50 PM CST | Areal Flood Warning | HUN | 12 hr |
| Feb 24, 12:36 AM CST | Special Weather Statement | HUN | 24 min |
| Mar 4, 4:03 AM CST | Freeze Warning | HUN | 30 hr |
| Mar 5, 4:31 AM CST | Freeze Warning | HUN | 29 hr |
| Mar 6, 5:25 AM CST | Freeze Warning | HUN | 27 hr |
| Mar 9, 4:59 PM CST | Special Weather Statement | HUN | 46 min |
| Mar 13, 9:33 PM CDT | Wind Advisory | HUN | 20 hr |
| Mar 14, 12:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 14, 4:52 PM CDT | Severe Thunderstorm Warning | HUN | 23 min |
| Mar 14, 5:09 PM CDT | Special Weather Statement | HUN | 51 min |
| Mar 14, 5:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 14, 9:39 PM CDT | Special Weather Statement | HUN | 36 min |
| Mar 14, 9:52 PM CDT | Special Weather Statement | HUN | 38 min |
| Mar 14, 10:04 PM CDT | Severe Thunderstorm Warning | HUN | 26 min |
| Mar 14, 10:28 PM CDT | Special Weather Statement | HUN | 32 min |
| Mar 14, 11:03 PM CDT | Special Weather Statement | HUN | 27 min |
| Mar 18, 2:15 PM CDT | Freeze Warning | HUN | 19 hr |
| Mar 19, 2:29 PM CDT | Freeze Warning | HUN | 19 hr |
| Mar 22, 3:35 PM CDT | Frost Advisory | HUN | 12 hr |
| Mar 25, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 25, 6:13 PM CDT | Special Weather Statement | HUN | 32 min |
| Mar 25, 6:43 PM CDT | Special Weather Statement | HUN | 32 min |
| Mar 30, 10:21 PM CDT | Special Weather Statement | HUN | 39 min |
| Mar 31, 4:09 AM CDT | Freeze Warning | HUN | 28 hr |
| Apr 7, 5:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 8, 6:22 AM CDT | Tornado Warning | HUN | 23 min |
| Apr 8, 6:42 AM CDT | Severe Thunderstorm Warning | HUN | 33 min |
| Apr 11, 4:56 AM CDT | Wind Advisory | HUN | 15 hr |
| Apr 14, 12:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 14, 1:04 AM CDT | Tornado Watch | SPC | 9 hr |
| Apr 14, 4:20 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 14, 5:36 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 14, 5:53 AM CDT | Special Weather Statement | HUN | 37 min |
| Apr 14, 6:37 AM CDT | Severe Thunderstorm Warning | HUN | 38 min |
| Apr 14, 8:54 AM CDT | Wind Advisory | HUN | 12 hr |
| Apr 18, 7:22 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 18, 8:39 PM CDT | Special Weather Statement | HUN | 51 min |
| Apr 21, 2:09 AM CDT | Dense Fog Advisory | HUN | 7 hr |
| Apr 26, 2:28 AM CDT | Wind Advisory | HUN | 13 hr |
| May 1, 6:16 PM CDT | Special Weather Statement | HUN | 44 min |
| May 1, 7:54 PM CDT | Special Weather Statement | HUN | 51 min |
| May 4, 7:39 AM CDT | Special Weather Statement | HUN | 51 min |
| May 4, 8:30 AM CDT | Special Weather Statement | HUN | 45 min |
| May 6, 5:34 AM CDT | Dense Fog Advisory | HUN | 4 hr |
| May 9, 12:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 9, 1:08 PM CDT | Severe Thunderstorm Warning | HUN | 52 min |
| May 9, 1:18 PM CDT | Tornado Warning | HUN | 27 min |
| May 9, 1:37 PM CDT | Tornado Warning | HUN | 38 min |
| May 9, 1:45 PM CDT | Tornado Warning | HUN | 45 min |
| May 9, 1:46 PM CDT | Severe Thunderstorm Warning | HUN | 59 min |
| May 9, 1:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 10, 3:57 AM CDT | Dense Fog Advisory | HUN | 5 hr |
| May 11, 12:13 AM CDT | Special Weather Statement | HUN | 47 min |
| May 11, 1:29 AM CDT | Special Weather Statement | HUN | 46 min |
| May 11, 9:07 AM CDT | Special Weather Statement | HUN | 38 min |
| May 11, 9:44 AM CDT | Special Weather Statement | HUN | 46 min |
| May 11, 3:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 11, 7:20 PM CDT | Special Weather Statement | HUN | 40 min |
| Jun 2, 3:19 PM CDT | Special Weather Statement | HUN | 26 min |
| Jun 12, 2:48 PM CDT | Severe Thunderstorm Warning | HUN | 27 min |
| Jun 12, 4:29 PM CDT | Severe Thunderstorm Warning | HUN | 31 min |
| Jun 12, 4:35 PM CDT | Severe Thunderstorm Warning | HUN | 25 min |
| Jun 12, 4:59 PM CDT | Severe Thunderstorm Warning | HUN | 31 min |
| Jun 12, 5:29 PM CDT | Special Weather Statement | HUN | 31 min |
| Jun 12, 5:49 PM CDT | Special Weather Statement | HUN | 26 min |
| Jun 18, 12:13 AM CDT | Special Weather Statement | HUN | 47 min |
| Jun 20, 2:34 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 20, 3:21 AM CDT | Severe Thunderstorm Warning | HUN | 54 min |
| Jun 20, 4:08 AM CDT | Severe Thunderstorm Warning | HUN | 45 min |
| Jun 21, 5:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 21, 9:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 21, 10:19 PM CDT | Severe Thunderstorm Warning | HUN | 41 min |
| Jun 21, 10:53 PM CDT | Severe Thunderstorm Warning | HUN | 29 min |
| Jun 22, 12:33 PM CDT | Special Weather Statement | HUN | 42 min |
| Jun 22, 1:25 PM CDT | Special Weather Statement | HUN | 50 min |
| Jun 22, 1:27 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 24, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 26, 4:59 PM CDT | Special Weather Statement | HUN | 31 min |
| Jun 27, 4:50 PM CDT | Severe Thunderstorm Warning | HUN | 25 min |
| Jun 27, 5:18 PM CDT | Special Weather Statement | HUN | 42 min |
| Jun 27, 5:55 PM CDT | Special Weather Statement | HUN | 35 min |
| Jun 27, 6:31 PM CDT | Special Weather Statement | HUN | 29 min |
| Jun 30, 2:27 PM CDT | Special Weather Statement | HUN | 48 min |
| Jul 5, 4:19 PM CDT | Special Weather Statement | HUN | 26 min |
| Jul 9, 7:02 PM CDT | Special Weather Statement | HUN | 28 min |
| Jul 9, 8:55 PM CDT | Special Weather Statement | HUN | 35 min |
| Jul 11, 3:15 PM CDT | Special Weather Statement | HUN | 30 min |
| Jul 13, 2:10 PM CDT | Special Weather Statement | HUN | 35 min |
| Jul 13, 2:38 PM CDT | Special Weather Statement | HUN | 37 min |
| Jul 13, 3:08 PM CDT | Severe Thunderstorm Warning | HUN | 37 min |
| Jul 14, 12:35 PM CDT | Special Weather Statement | HUN | 25 min |
| Jul 14, 1:04 PM CDT | Special Weather Statement | HUN | 41 min |
| Jul 15, 7:10 PM CDT | Special Weather Statement | HUN | 35 min |
| Jul 31, 3:02 PM CDT | Special Weather Statement | HUN | 43 min |
| Aug 1, 3:57 PM CDT | Special Weather Statement | HUN | 33 min |
| Aug 1, 5:15 PM CDT | Special Weather Statement | HUN | 30 min |
| Aug 1, 5:45 PM CDT | Special Weather Statement | HUN | 30 min |
| Aug 4, 4:17 PM CDT | Special Weather Statement | HUN | 43 min |
| Aug 4, 4:58 PM CDT | Special Weather Statement | HUN | 32 min |
| Aug 4, 5:46 PM CDT | Flash Flood Warning | HUN | 109 min |
| Aug 5, 2:53 AM CDT | Dense Fog Advisory | HUN | 6 hr |
| Aug 7, 3:32 PM CDT | Special Weather Statement | HUN | 43 min |
| Aug 8, 3:56 AM CDT | Dense Fog Advisory | HUN | 5 hr |
| Aug 11, 2:45 PM CDT | Heat Advisory | HUN | 54 hr |
| Aug 13, 6:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 13, 8:27 PM CDT | Special Weather Statement | HUN | 48 min |
| Aug 13, 8:37 PM CDT | Special Weather Statement | BMX | 23 min |
| Aug 19, 12:58 PM CDT | Special Weather Statement | HUN | 32 min |
| Aug 19, 1:14 PM CDT | Severe Thunderstorm Warning | HUN | 31 min |
| Aug 20, 2:44 PM CDT | Special Weather Statement | HUN | 46 min |
| Aug 20, 9:18 PM CDT | Special Weather Statement | HUN | 27 min |
| Aug 20, 10:00 PM CDT | Areal Flood Warning | HUN | 2 hr |
| Aug 23, 2:23 PM CDT | Special Weather Statement | HUN | 52 min |
| Aug 28, 1:49 AM CDT | Dense Fog Advisory | HUN | 6 hr |
| Oct 14, 6:08 AM CDT | Dense Fog Advisory | HUN | 4 hr |
| Oct 26, 6:15 AM CDT | Wind Advisory | HUN | 11 hr |
| Oct 26, 6:38 PM CDT | Special Weather Statement | HUN | 52 min |
| Oct 27, 10:03 PM CDT | Dense Fog Advisory | HUN | 13 hr |
| Oct 28, 9:57 PM CDT | Dense Fog Advisory | HUN | 13 hr |
| Oct 30, 2:01 PM CDT | Freeze Watch | HUN | 14 hr |
| Oct 31, 3:42 AM CDT | Freeze Warning | HUN | 29 hr |
| Nov 1, 4:30 AM CDT | Freeze Warning | HUN | 29 hr |
| Nov 2, 4:20 AM CDT | Freeze Watch | HUN | 10 hr |
| Nov 2, 2:22 PM CDT | Frost Advisory | HUN | 19 hr |
| Nov 3, 9:06 PM CST | Frost Advisory | HUN | 10 hr |
| Nov 7, 1:37 PM CST | Freeze Watch | HUN | 13 hr |
| Nov 8, 2:30 AM CST | Freeze Warning | HUN | 30 hr |
| Nov 11, 9:39 PM CST | Wind Advisory | HUN | 14 hr |
| Nov 12, 2:25 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 1, 12:38 AM CST | Special Weather Statement | HUN | 37 min |
| Dec 9, 4:21 AM CST | Wind Advisory | HUN | 13 hr |
| Dec 10, 7:00 PM CST | Winter Weather Advisory | HUN | 4 hr |
| Dec 16, 3:47 PM CST | Tornado Watch | SPC | 10 hr |
| Dec 16, 6:05 PM CST | Mesoscale Discussion | SPC | 55 min |
| Dec 16, 7:08 PM CST | Special Weather Statement | HUN | 37 min |
| Dec 16, 9:34 PM CST | Severe Thunderstorm Warning | HUN | 13 min |
| Dec 16, 10:14 PM CST | Special Weather Statement | HUN | 31 min |
| Dec 22, 2:59 AM CST | Wind Advisory | HUN | 15 hr |
| Dec 25, 2:01 AM CST | Dense Fog Advisory | HUN | 7 hr |
| Dec 29, 6:05 PM CST | Mesoscale Discussion | SPC | 85 min |
| Dec 29, 9:15 PM CST | Special Weather Statement | HUN | 45 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 | 18 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 63 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 3 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.