Alert archive / Mississippi / Calhoun County
Weather alerts in Calhoun County, Mississippi, 2024
113 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Calhoun County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 113
- Warnings
- 21
- Watches
- 16
- Advisories
- 40
- Busiest month
- May19 alerts
- Busiest day
- December 29, 20246 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 2 tornado warnings covering Calhoun County in 2024 had a tornado report inside them.
Calhoun County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 9 | 4 | 56% | 4 | 100% | 22 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 0% |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 20 | 1 | 95% | 7 | 14% | 18 min |
| NWS Memphis, TN: severe thunderstorm warnings | 210 | 127 | 40% | 258 | 91% | 20 min |
| NWS Memphis, TN: flash flood warnings | 32 | 17 | 47% | 36 | 78% | 49 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 7, 2:16 PM CST | Wind Advisory | MEG | 57 hr |
| Jan 11, 2:26 AM CST | Wind Advisory | MEG | 45 hr |
| Jan 12, 3:33 AM CST | Mesoscale Discussion | SPC | 87 min |
| Jan 12, 3:57 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 12, 7:55 AM CST | Mesoscale Discussion | SPC | 95 min |
| Jan 12, 2:54 PM CST | Winter Storm Watch | MEG | 36 hr |
| Jan 13, 2:48 PM CST | Winter Storm Warning | MEG | 54 hr |
| Jan 14, 3:05 AM CST | Wind Chill Advisory | MEG | 3 days |
| Jan 14, 6:48 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 15, 7:45 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 15, 11:17 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 18, 3:02 PM CST | Wind Chill Advisory | MEG | 66 hr |
| Jan 18, 5:49 PM CST | Freezing Fog Advisory | MEG | 13 hr |
| Jan 23, 3:08 AM CST | Flood Watch | MEG | 59 hr |
| Jan 24, 3:06 PM CST | Dense Fog Advisory | MEG | 20 hr |
| Jan 25, 9:04 PM CST | Dense Fog Advisory | MEG | 13 hr |
| Feb 11, 3:14 PM CST | Areal Flood Advisory | MEG | 3 hr |
| Feb 26, 1:13 PM CST | Wind Advisory | MEG | 44 hr |
| Feb 28, 8:03 AM CST | Special Weather Statement | MEG | 27 min |
| Mar 4, 5:49 AM CST | Dense Fog Advisory | MEG | 2 hr |
| Mar 14, 3:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 17, 3:25 AM CDT | Freeze Watch | MEG | 18 hr |
| Mar 17, 9:15 PM CDT | Freeze Warning | MEG | 36 hr |
| Mar 24, 2:44 AM CDT | High Wind Watch | MEG | 12 hr |
| Mar 24, 2:55 PM CDT | Wind Advisory | MEG | 33 hr |
| Mar 27, 1:58 PM CDT | Frost Advisory | MEG | 19 hr |
| Apr 2, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 2, 3:08 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 2, 3:14 PM CDT | Severe Thunderstorm Warning | MEG | 31 min |
| Apr 8, 1:03 PM CDT | Special Weather Statement | MEG | 27 min |
| Apr 8, 1:32 PM CDT | Special Weather Statement | MEG | 28 min |
| Apr 8, 3:00 PM CDT | Flood Watch | MEG | 64 hr |
| Apr 9, 10:39 PM CDT | River Flood Warning | MEG | 44 hr |
| Apr 10, 7:35 AM CDT | Areal Flood Advisory | MEG | 9 hr |
| Apr 10, 7:42 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Apr 10, 2:45 PM CDT | Wind Advisory | MEG | 26 hr |
| Apr 17, 8:27 AM CDT | Special Weather Statement | MEG | 33 min |
| Apr 29, 11:31 PM CDT | Dense Fog Advisory | MEG | 8 hr |
| May 3, 9:13 PM CDT | Dense Fog Advisory | MEG | 11 hr |
| May 5, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 5, 10:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 9, 3:02 AM CDT | Tornado Watch | SPC | 7 hr |
| May 9, 4:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 9, 4:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 23, 12:58 PM CDT | Special Weather Statement | MEG | 32 min |
| May 23, 1:13 PM CDT | Severe Thunderstorm Warning | MEG | 18 min |
| May 24, 11:03 AM CDT | Flood Watch | MEG | 64 hr |
| May 24, 12:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 24, 3:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 24, 6:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 24, 6:55 PM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| May 24, 7:24 PM CDT | Tornado Warning | MEG | 51 min |
| May 24, 8:07 PM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| May 27, 12:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| May 27, 1:10 AM CDT | Tornado Watch | SPC | 5 hr |
| May 27, 2:47 AM CDT | Mesoscale Discussion | SPC | 118 min |
| May 27, 3:45 AM CDT | Special Weather Statement | MEG | 30 min |
| Jun 5, 5:22 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 9, 3:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 9, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 7:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 9, 9:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 22, 1:58 PM CDT | Heat Advisory | MEG | 30 hr |
| Jun 23, 2:22 PM CDT | Heat Advisory | MEG | 36 hr |
| Jun 24, 2:54 AM CDT | Heat Advisory | MEG | 41 hr |
| Jun 26, 12:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 3:16 PM CDT | Special Weather Statement | MEG | 44 min |
| Jun 28, 2:55 PM CDT | Heat Advisory | MEG | 30 hr |
| Jun 29, 2:56 PM CDT | Excessive Heat Warning | MEG | 29 hr |
| Jul 2, 6:28 AM CDT | Excessive Heat Watch | MEG | 6 hr |
| Jul 2, 12:27 PM CDT | Excessive Heat Warning | MEG | 32 hr |
| Jul 3, 3:58 AM CDT | Excessive Heat Warning | MEG | 40 hr |
| Jul 3, 3:58 AM CDT | Heat Advisory | MEG | 22 hr |
| Jul 5, 2:04 AM CDT | Heat Advisory | MEG | 17 hr |
| Jul 8, 3:46 AM CDT | Heat Advisory | MEG | 15 hr |
| Jul 15, 1:56 PM CDT | Heat Advisory | MEG | 31 hr |
| Jul 17, 3:09 AM CDT | Heat Advisory | MEG | 15 hr |
| Jul 17, 11:52 PM CDT | Special Weather Statement | MEG | 23 min |
| Jul 18, 12:11 AM CDT | Special Weather Statement | MEG | 34 min |
| Jul 28, 3:13 AM CDT | Heat Advisory | MEG | 42 hr |
| Jul 28, 4:47 PM CDT | Areal Flood Advisory | MEG | 118 min |
| Jul 29, 3:27 AM CDT | Heat Advisory | MEG | 41 hr |
| Jul 30, 3:05 AM CDT | Excessive Heat Warning | MEG | 41 hr |
| Jul 30, 3:05 AM CDT | Heat Advisory | MEG | 32 hr |
| Jul 31, 2:27 AM CDT | Excessive Heat Warning | MEG | 42 hr |
| Jul 31, 2:27 AM CDT | Heat Advisory | MEG | 31 hr |
| Aug 1, 2:37 PM CDT | Excessive Heat Warning | MEG | 28 hr |
| Aug 2, 4:59 PM CDT | Special Weather Statement | MEG | 31 min |
| Aug 4, 1:45 PM CDT | Heat Advisory | MEG | 30 hr |
| Aug 6, 2:45 PM CDT | Heat Advisory | MEG | 24 hr |
| Aug 14, 2:30 PM CDT | Heat Advisory | MEG | 55 hr |
| Aug 16, 2:29 PM CDT | Heat Advisory | MEG | 29 hr |
| Aug 17, 2:05 PM CDT | Heat Advisory | MEG | 30 hr |
| Aug 18, 2:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 29, 2:52 AM CDT | Heat Advisory | MEG | 17 hr |
| Aug 29, 4:47 PM CDT | Special Weather Statement | MEG | 28 min |
| Aug 29, 5:17 PM CDT | Special Weather Statement | MEG | 28 min |
| Aug 29, 5:48 PM CDT | Special Weather Statement | MEG | 27 min |
| Sep 11, 3:25 AM CDT | Flood Watch | MEG | 3 days |
| Sep 11, 2:56 PM CDT | Wind Advisory | MEG | 33 hr |
| Sep 17, 2:28 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Sep 24, 1:37 PM CDT | Severe Thunderstorm Warning | MEG | 53 min |
| Sep 24, 2:23 PM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| Sep 24, 3:12 PM CDT | Special Weather Statement | MEG | 33 min |
| Sep 24, 3:45 PM CDT | Special Weather Statement | MEG | 30 min |
| Sep 24, 6:19 PM CDT | Severe Thunderstorm Warning | MEG | 21 min |
| Sep 30, 1:19 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Dec 28, 6:04 PM CST | Mesoscale Discussion | SPC | 86 min |
| Dec 28, 7:54 PM CST | Special Weather Statement | MEG | 36 min |
| Dec 28, 8:08 PM CST | Severe Thunderstorm Warning | MEG | 37 min |
| Dec 28, 8:09 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 28, 8:13 PM CST | Tornado Warning | MEG | 17 min |
| Dec 28, 8:39 PM CST | Severe Thunderstorm Warning | MEG | 12 min |
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 archive20232025
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.