Weather alerts in Mississippi, 2024
2,675 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 2,675
- Warnings
- 904
- Watches
- 106
- Advisories
- 405
- Busiest month
- May414 alerts
- Busiest day
- April 10, 202482 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
28 of 86 tornado warnings covering Mississippi in 2024 had a tornado report inside them; 71 of 98 tornado reports fell inside a warning, on average 21 minutes after it went out.
Mississippi, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 86 | 28 | 67% | 98 | 72% | 21 min |
| Severe thunderstorm warnings | 440 | 240 | 45% | 712 | 77% | 25 min |
| Flash flood warnings | 110 | 59 | 46% | 131 | 86% | 114 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jackson, MS: tornado warnings | 51 | 21 | 59% | 75 | 76% | 22 min |
| NWS Jackson, MS: severe thunderstorm warnings | 300 | 174 | 42% | 631 | 76% | 27 min |
| NWS Jackson, MS: flash flood warnings | 71 | 38 | 46% | 114 | 85% | 127 min |
| NWS Mobile, AL: tornado warnings | 35 | 11 | 69% | 35 | 49% | 12 min |
| NWS Mobile, AL: severe thunderstorm warnings | 131 | 50 | 62% | 137 | 80% | 24 min |
| NWS Mobile, AL: flash flood warnings | 27 | 9 | 67% | 16 | 88% | 67 min |
| NWS New Orleans, LA: tornado warnings | 48 | 15 | 69% | 40 | 63% | 13 min |
| NWS New Orleans, LA: severe thunderstorm warnings | 173 | 73 | 58% | 244 | 85% | 25 min |
| NWS New Orleans, LA: flash flood warnings | 105 | 52 | 50% | 147 | 90% | 85 min |
| 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
2,675 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pearl River County251
- Hancock County246
- Harrison County239
- Jackson County210
- Rankin County202
- Hinds County199
- Madison County197
- Amite County196
- Wilkinson County192
- Simpson County191
- Pike County190
- Greene County185
- Copiah County182
- Walthall County180
- Smith County170
- Jones County169
- George County169
- Claiborne County167
- Warren County164
- Yazoo County164
- Forrest County163
- Lincoln County163
- Lawrence County161
- Covington County160
- Franklin County160
- Jasper County160
- Lamar County160
- Marion County157
- Monroe County157
- DeSoto County156
- Leake County155
- Wayne County155
- Adams County154
- Perry County154
- Jefferson County150
- Jefferson Davis County148
- Scott County143
- Stone County143
- Clarke County141
- Holmes County136
42 more counties
- Neshoba County135
- Lauderdale County131
- Lee County129
- Newton County129
- Washington County128
- Marshall County127
- Kemper County127
- Sharkey County127
- Attala County126
- Issaquena County126
- Noxubee County125
- Itawamba County124
- Tate County123
- Lowndes County122
- Tunica County121
- Humphreys County121
- Sunflower County121
- Bolivar County120
- Chickasaw County119
- Leflore County118
- Winston County117
- Pontotoc County115
- Carroll County114
- Calhoun County113
- Prentiss County112
- Coahoma County110
- Clay County110
- Tippah County109
- Webster County107
- Benton County106
- Montgomery County106
- Oktibbeha County106
- Panola County105
- Quitman County105
- Choctaw County104
- Lafayette County103
- Union County103
- Grenada County103
- Alcorn County102
- Tallahatchie County100
- Tishomingo County98
- Yalobusha County95
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe 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.