Alert archive / Mississippi / Yalobusha County
Weather alerts in Yalobusha County, Mississippi, 2021
148 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Yalobusha County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 148
- Warnings
- 36
- Watches
- 17
- Advisories
- 49
- Busiest month
- March26 alerts
- Busiest day
- March 17, 20219 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 Yalobusha County in 2021 had a tornado report inside them.
Yalobusha County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 7 | 4 | 43% | 1 | 100% | 33 min |
| Flash flood warnings | 16 | 13 | 19% | 6 | 100% | 172 min |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 83 | 35 | 58% | 62 | 89% | 22 min |
| NWS Memphis, TN: severe thunderstorm warnings | 223 | 111 | 50% | 326 | 72% | 22 min |
| NWS Memphis, TN: flash flood warnings | 92 | 56 | 39% | 111 | 86% | 108 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 10, 9:06 AM CST | Winter Weather Advisory | MEG | 31 hr |
| Jan 24, 6:14 PM CST | Dense Fog Advisory | MEG | 12 hr |
| Jan 25, 4:49 PM CST | Mesoscale Discussion | SPC | 86 min |
| Jan 30, 2:46 PM CST | Wind Advisory | MEG | 8 hr |
| Feb 12, 12:40 AM CST | Winter Weather Advisory | MEG | 5 hr |
| Feb 12, 3:17 PM CST | Winter Storm Watch | MEG | 24 hr |
| Feb 13, 2:53 PM CST | Winter Storm Warning | MEG | 54 hr |
| Feb 15, 3:02 PM CST | Wind Chill Advisory | MEG | 21 hr |
| Feb 15, 8:48 PM CST | Winter Storm Watch | MEG | 19 hr |
| Feb 16, 4:15 AM CST | Winter Storm Warning | MEG | 53 hr |
| Feb 17, 10:53 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 18, 9:07 AM CST | Winter Weather Advisory | MEG | 6 hr |
| Feb 18, 2:54 PM CST | Winter Weather Advisory | MEG | 3 hr |
| Feb 27, 2:55 AM CST | Flood Watch | MEG | 56 hr |
| Feb 27, 9:03 PM CST | Dense Fog Advisory | MEG | 7 hr |
| Mar 3, 3:19 AM CST | Freezing Fog Advisory | MEG | 6 hr |
| Mar 17, 3:38 AM CDT | Severe Thunderstorm Warning | MEG | 37 min |
| Mar 17, 5:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 17, 5:53 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 17, 7:12 AM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Mar 17, 12:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 17, 12:57 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 17, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 17, 6:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 17, 6:33 PM CDT | Special Weather Statement | MEG | 42 min |
| Mar 22, 8:52 PM CDT | Wind Advisory | MEG | 19 hr |
| Mar 25, 10:58 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 27, 8:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Mar 27, 9:01 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 27, 10:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 28, 12:27 AM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Mar 28, 12:59 AM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Mar 28, 1:10 AM CDT | Tornado Warning | MEG | 28 min |
| Mar 30, 9:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 12:27 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Mar 31, 4:12 AM CDT | Special Weather Statement | MEG | 33 min |
| Mar 31, 5:20 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Mar 31, 5:31 AM CDT | Freeze Watch | MEG | 9 hr |
| Mar 31, 8:54 AM CDT | Areal Flood Warning | MEG | 3 hr |
| Mar 31, 2:34 PM CDT | Frost Advisory | MEG | 18 hr |
| Mar 31, 2:34 PM CDT | Freeze Warning | MEG | 42 hr |
| Apr 1, 2:06 PM CDT | Freeze Warning | MEG | 43 hr |
| Apr 7, 5:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 8:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 3:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 9, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 6:14 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 9, 6:59 PM CDT | Special Weather Statement | MEG | 46 min |
| Apr 9, 7:38 PM CDT | Special Weather Statement | MEG | 52 min |
| Apr 21, 3:02 AM CDT | Frost Advisory | MEG | 30 hr |
| May 2, 4:46 PM CDT | Tornado Watch | SPC | 5 hr |
| May 2, 6:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| May 2, 11:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 9:48 AM CDT | Special Weather Statement | MEG | 57 min |
| May 4, 11:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 12:18 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 4, 1:53 PM CDT | Special Weather Statement | MEG | 37 min |
| May 4, 2:23 PM CDT | Special Weather Statement | MEG | 22 min |
| May 4, 2:25 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| May 6, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 6, 5:24 PM CDT | Severe Thunderstorm Warning | MEG | 66 min |
| May 9, 12:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 9, 2:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 9, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 9, 7:18 PM CDT | Severe Thunderstorm Warning | MEG | 27 min |
| Jun 2, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 7, 7:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 8, 4:25 AM CDT | Flash Flood Watch | MEG | 4 days |
| Jun 8, 6:50 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 8, 9:59 AM CDT | Flash Flood Warning | MEG | 4 hr |
| Jun 8, 1:53 PM CDT | Flash Flood Warning | MEG | 4 hr |
| Jun 8, 6:03 PM CDT | Areal Flood Warning | MEG | 5 hr |
| Jun 8, 11:00 PM CDT | Flash Flood Warning | MEG | 11 hr |
| Jun 9, 12:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 12:12 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 9, 2:03 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 9, 3:10 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 10, 1:15 AM CDT | Areal Flood Advisory | MEG | 55 min |
| Jun 10, 1:36 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 10, 2:10 AM CDT | Flash Flood Warning | MEG | 7 hr |
| Jun 10, 4:36 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 10, 8:47 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 10, 11:44 AM CDT | Flash Flood Warning | MEG | 11 hr |
| Jun 10, 10:51 PM CDT | Areal Flood Warning | MEG | 10 hr |
| Jun 11, 2:47 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jun 13, 10:45 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 13, 12:22 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 24, 2:24 PM CDT | Heat Advisory | MEG | 29 hr |
| Jul 25, 1:58 PM CDT | Heat Advisory | MEG | 29 hr |
| Jul 26, 2:36 PM CDT | Heat Advisory | MEG | 28 hr |
| Jul 27, 2:49 PM CDT | Heat Advisory | MEG | 28 hr |
| Jul 28, 2:38 PM CDT | Heat Advisory | MEG | 29 hr |
| Jul 29, 10:17 AM CDT | Excessive Heat Warning | MEG | 10 hr |
| Jul 29, 2:51 PM CDT | Excessive Heat Warning | MEG | 29 hr |
| Jul 30, 2:41 AM CDT | Heat Advisory | MEG | 41 hr |
| Jul 31, 9:48 AM CDT | Excessive Heat Warning | MEG | 10 hr |
| Jul 31, 3:10 PM CDT | Heat Advisory | MEG | 27 hr |
| Aug 8, 2:21 PM CDT | Heat Advisory | MEG | 4 days |
| Aug 13, 5:08 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Aug 14, 7:23 PM CDT | Flash Flood Warning | MEG | 5 hr |
| Aug 14, 7:54 PM CDT | Flash Flood Warning | MEG | 4 hr |
| Aug 18, 1:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 8:52 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Aug 22, 3:08 PM CDT | Heat Advisory | MEG | 29 hr |
| Aug 23, 3:09 AM CDT | Heat Advisory | MEG | 41 hr |
| Aug 24, 3:07 PM CDT | Heat Advisory | MEG | 29 hr |
| Aug 26, 4:15 AM CDT | Heat Advisory | MEG | 16 hr |
| Aug 28, 2:42 PM CDT | Flash Flood Watch | MEG | 66 hr |
| Aug 29, 2:32 PM CDT | Wind Advisory | MEG | 36 hr |
| Aug 30, 12:02 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 12:03 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Sep 18, 6:24 AM CDT | Flash Flood Watch | MEG | 56 hr |
| Sep 18, 7:13 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Sep 18, 7:56 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 19, 6:06 AM CDT | Areal Flood Advisory | MEG | 4 hr |
| Sep 21, 11:51 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 2:47 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 4, 1:08 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Oct 5, 12:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 5, 2:56 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Oct 6, 10:39 PM CDT | Dense Fog Advisory | MEG | 10 hr |
| Nov 4, 3:14 AM CDT | Frost Advisory | MEG | 30 hr |
| Nov 7, 2:23 AM CST | Dense Fog Advisory | MEG | 5 hr |
| Nov 10, 6:12 AM CST | Dense Fog Advisory | MEG | 2 hr |
| Nov 11, 9:24 PM CST | Dense Fog Advisory | MEG | 11 hr |
| Nov 12, 3:57 AM CST | Frost Advisory | MEG | 24 hr |
| Nov 13, 4:20 AM CST | Freeze Warning | MEG | 27 hr |
| Dec 4, 10:00 PM CST | Dense Fog Advisory | MEG | 11 hr |
| Dec 6, 5:06 AM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 6, 5:15 AM CST | Special Weather Statement | MEG | 30 min |
| Dec 6, 7:04 AM CST | Areal Flood Advisory | MEG | 3 hr |
| Dec 10, 5:17 PM CST | Mesoscale Discussion | SPC | 88 min |
| Dec 10, 10:09 PM CST | Mesoscale Discussion | SPC | 96 min |
| Dec 10, 10:44 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 11, 2:00 AM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 11, 2:55 AM CST | Severe Thunderstorm Warning | MEG | 50 min |
| Dec 11, 3:15 AM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 11, 4:03 AM CST | Flash Flood Warning | MEG | 2 hr |
| Dec 25, 9:40 PM CST | Dense Fog Advisory | MEG | 14 hr |
| Dec 29, 9:00 AM CST | Areal Flood Advisory | MEG | 3 hr |
| Dec 29, 9:17 AM CST | Flash Flood Warning | MEG | 3 hr |
| Dec 29, 10:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 29, 12:05 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 29, 12:14 PM CST | Areal Flood Warning | MEG | 3 hr |
| Dec 29, 1:18 PM CST | Mesoscale Discussion | SPC | 87 min |
| Dec 29, 3:41 PM CST | Mesoscale Discussion | SPC | 64 min |
| Dec 29, 9:47 PM CST | Dense Fog Advisory | MEG | 14 hr |
| Dec 30, 7:57 PM CST | Dense Fog Advisory | MEG | 13 hr |
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 archive20202022
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.