Alert archive / Missouri / Sullivan County

Weather alerts in Sullivan County, Missouri, 2026

184 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sullivan County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
184
Warnings
86
Watches
31
Advisories
38
Busiest month
June57 alerts
Busiest day
June 11, 202620 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

4 of 9 tornado warnings covering Sullivan County in 2026 had a tornado report inside them.

Sullivan County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings9456%0
Severe thunderstorm warnings533436%1486%16 min
Flash flood warnings6517%7100%75 min

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Kansas City, MO: tornado warnings882967%5777%14 min
NWS Kansas City, MO: severe thunderstorm warnings53034036%1,92591%25 min
NWS Kansas City, MO: flash flood warnings655417%30388%100 min

An office's figures cover every county it serves, including across state lines.

The year is still running; reports filed late and damage surveys can still change these figures.

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.

IssuedProductOfficeLasted
Jan 5, 9:10 PM CSTDense Fog AdvisoryEAX12 hr
Jan 6, 9:00 AM CSTDense Fog AdvisoryEAX2 hr
Jan 16, 2:28 PM CSTSnow Squall WarningEAX62 min
Jan 21, 2:24 AM CSTExtreme Cold WatchEAX24 hr
Jan 21, 12:02 PM CSTWind AdvisoryEAX8 hr
Jan 22, 2:23 AM CSTCold Weather AdvisoryEAX58 hr
Jan 22, 2:23 AM CSTExtreme Cold WarningEAX34 hr
Jan 22, 12:21 PM CSTWinter Weather AdvisoryEAX69 hr
Jan 25, 1:41 AM CSTCold Weather AdvisoryEAX31 hr
Feb 17, 11:29 PM CSTRed Flag WarningEAX20 hr
Feb 26, 2:33 PM CSTFire Weather WatchEAX7 hr
Feb 26, 9:50 PM CSTRed Flag WarningEAX20 hr
Feb 28, 12:08 PM CSTWinter Weather AdvisoryEAX42 hr
Mar 4, 9:48 PM CSTDense Fog AdvisoryEAX11 hr
Mar 6, 8:18 PM CSTTornado WatchSPC6 hr
Mar 6, 9:43 PM CSTMesoscale DiscussionSPC2 hr
Mar 10, 5:41 PM CDTMesoscale DiscussionSPC2 hr
Mar 10, 5:57 PM CDTTornado WatchSPC6 hr
Mar 10, 7:49 PM CDTSevere Thunderstorm WarningEAX41 min
Mar 10, 8:11 PM CDTSevere Thunderstorm WarningEAX48 min
Mar 12, 9:52 AM CDTWind AdvisoryEAX18 hr
Mar 13, 1:10 PM CDTHigh Wind WatchEAX22 hr
Mar 14, 11:09 AM CDTHigh Wind WarningEAX41 hr
Mar 14, 11:09 AM CDTWind AdvisoryEAX44 hr
Mar 15, 8:53 AM CDTWinter Weather AdvisoryEAX23 hr
Mar 15, 4:49 PM CDTSnow Squall WarningEAX41 min
Mar 26, 1:32 PM CDTFire Weather WatchEAX20 hr
Mar 26, 1:32 PM CDTRed Flag WarningEAX30 hr
Mar 26, 7:58 PM CDTMesoscale DiscussionSPC2 hr
Mar 27, 9:50 AM CDTRed Flag WarningEAX34 hr
Mar 27, 11:36 AM CDTFreeze WarningEAX21 hr
Apr 2, 3:22 AM CDTWind AdvisoryEAX16 hr
Apr 2, 12:28 PM CDTMesoscale DiscussionSPC3 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 3:41 PM CDTMesoscale DiscussionSPC94 min
Apr 3, 1:26 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 2:20 PM CDTTornado WatchSPC6 hr
Apr 4, 1:53 PM CDTFrost AdvisoryEAX18 hr
Apr 6, 12:55 PM CDTWinter Weather AdvisoryEAX20 hr
Apr 15, 2:14 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 3:40 PM CDTTornado WatchSPC6 hr
Apr 15, 5:15 PM CDTSevere Thunderstorm WarningEAX34 min
Apr 15, 6:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 6:46 PM CDTSevere Thunderstorm WarningEAX44 min
Apr 17, 1:40 PM CDTTornado WatchSPC7 hr
Apr 17, 2:51 PM CDTSevere Thunderstorm WarningEAX39 min
Apr 17, 3:26 PM CDTSevere Thunderstorm WarningEAX49 min
Apr 17, 3:31 PM CDTMesoscale DiscussionSPC89 min
Apr 17, 3:33 PM CDTSevere Thunderstorm WarningEAX27 min
Apr 17, 3:39 PM CDTSevere Thunderstorm WarningEAX36 min
Apr 17, 3:45 PM CDTTornado WarningEAX45 min
Apr 17, 3:56 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX64 min
Apr 17, 4:08 PM CDTSevere Thunderstorm WarningEAX52 min
Apr 17, 4:24 PM CDTTornado WarningEAX37 min
Apr 17, 4:53 PM CDTSevere Thunderstorm WarningEAX52 min
Apr 23, 5:56 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 23, 9:16 PM CDTSevere Thunderstorm WarningEAX44 min
Apr 26, 2:46 AM CDTFlood WatchEAX38 hr
Apr 27, 5:06 AM CDTSevere Thunderstorm WarningEAX24 min
Apr 27, 5:25 AM CDTSevere Thunderstorm WarningEAX50 min
May 1, 2:16 AM CDTFrost AdvisoryEAX30 hr
May 4, 6:34 PM CDTMesoscale DiscussionSPC86 min
May 16, 3:20 PM CDTMesoscale DiscussionSPC85 min
May 16, 4:38 PM CDTSevere Thunderstorm WarningEAX52 min
May 16, 4:40 PM CDTTornado WatchSPC6 hr
May 16, 5:15 PM CDTSevere Thunderstorm WarningEAX45 min
May 16, 5:28 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX47 min
May 16, 5:59 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX46 min
May 16, 6:27 PM CDTTornado WarningEAX28 min
May 16, 6:34 PM CDTTornado WarningEAX26 min
May 16, 6:39 PM CDTAreal Flood AdvisoryEAX5 hr
May 16, 6:46 PM CDTMesoscale DiscussionSPC89 min
May 16, 6:55 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX65 min
May 16, 6:57 PM CDTSevere Thunderstorm WarningEAX48 min
May 16, 7:20 PM CDTFlash Flood WarningEAX6 hr
May 16, 7:58 PM CDTSevere Thunderstorm WarningEAX47 min
May 16, 8:03 PM CDTSevere Thunderstorm WarningEAX27 min
May 16, 8:41 PM CDTSevere Thunderstorm WarningEAX34 min
May 16, 8:58 PM CDTMesoscale DiscussionSPC92 min
May 16, 9:13 PM CDTSevere Thunderstorm WarningEAX32 min
May 16, 9:32 PM CDTSevere Thunderstorm WarningEAX43 min
May 16, 10:14 PM CDTSevere Thunderstorm WarningEAX18 min
May 16, 10:16 PM CDTFlood WatchEAX60 hr
May 16, 10:44 PM CDTSevere Thunderstorm WarningEAX31 min
May 16, 10:57 PM CDTSevere Thunderstorm WatchSPC4 hr
May 16, 11:25 PM CDTSevere Thunderstorm WarningEAX19 min
May 17, 12:33 AM CDTMesoscale DiscussionSPC87 min
May 17, 1:23 AM CDTAreal Flood WarningEAX10 hr
May 18, 6:14 PM CDTTornado WatchSPC7 hr
May 18, 8:54 PM CDTMesoscale DiscussionSPC3 hr
May 18, 9:06 PM CDTSevere Thunderstorm WarningEAX39 min
May 18, 9:43 PM CDTSevere Thunderstorm WarningEAX33 min
May 18, 10:21 PM CDTSevere Thunderstorm WarningEAX39 min
Jun 1, 4:06 AM CDTSevere Thunderstorm WarningEAX26 min
Jun 5, 1:36 PM CDTFlood WatchEAX17 hr
Jun 6, 3:55 PM CDTAreal Flood AdvisoryEAX12 min
Jun 6, 4:07 PM CDTFlash Flood WarningEAX5 hr
Jun 6, 4:53 PM CDTFlash Flood WarningEAX5 hr
Jun 6, 9:20 PM CDTAreal Flood WarningEAX10 hr
Jun 6, 9:26 PM CDTAreal Flood WarningEAX10 hr
Jun 7, 1:19 PM CDTFlood WatchEAX23 hr
Jun 8, 1:57 AM CDTHeat AdvisoryEAX42 hr
Jun 10, 7:43 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 10:08 AM CDTFlood WatchEAX15 hr
Jun 10, 1:35 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 2:12 PM CDTTornado WatchSPC9 hr
Jun 10, 3:39 PM CDTTornado Warning Tornado observedEAX51 min
Jun 10, 3:50 PM CDTMesoscale DiscussionSPC85 min
Jun 10, 3:58 PM CDTSevere Thunderstorm WarningEAX62 min
Jun 10, 4:02 PM CDTSevere Thunderstorm WarningEAX43 min
Jun 10, 4:13 PM CDTTornado WarningEAX35 min
Jun 10, 4:27 PM CDTMesoscale DiscussionSPC63 min
Jun 10, 4:58 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX47 min
Jun 10, 5:05 PM CDTTornado WarningEAX40 min
Jun 10, 5:32 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX43 min
Jun 10, 5:34 PM CDTTornado WarningEAX41 min
Jun 10, 5:40 PM CDTTornado WarningEAX50 min
Jun 10, 6:10 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX50 min
Jun 10, 6:14 PM CDTAreal Flood AdvisoryEAX6 hr
Jun 10, 6:24 PM CDTSevere Thunderstorm WarningEAX51 min
Jun 10, 7:07 PM CDTSevere Thunderstorm WarningEAX53 min
Jun 10, 7:29 PM CDTSevere Thunderstorm Warning Considerable damage threatEAX46 min
Jun 10, 7:44 PM CDTAreal Flood AdvisoryEAX6 hr
Jun 10, 8:01 PM CDTSevere Thunderstorm WarningEAX44 min
Jun 10, 8:10 PM CDTFlash Flood WarningEAX6 hr
Jun 10, 9:22 PM CDTMesoscale DiscussionSPC83 min
Jun 10, 11:00 PM CDTFlash Flood WarningEAX3 hr
Jun 11, 1:49 AM CDTAreal Flood WarningEAX9 hr
Jun 11, 6:57 AM CDTSevere Thunderstorm WarningEAX48 min
Jun 11, 7:31 AM CDTTornado WatchSPC7 hr
Jun 11, 8:28 AM CDTSevere Thunderstorm WarningEAX47 min
Jun 11, 8:45 AM CDTFlash Flood WarningEAX3 hr
Jun 11, 9:06 AM CDTSevere Thunderstorm Warning Considerable damage threatEAX54 min
Jun 11, 9:56 AM CDTSevere Thunderstorm Warning Considerable damage threatEAX64 min
Jun 11, 10:40 AM CDTAreal Flood WarningEAX36 hr
Jun 11, 1:08 PM CDTMesoscale DiscussionSPC3 hr
Jun 11, 1:52 PM CDTSevere Thunderstorm WarningEAX53 min
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 2:42 PM CDTSevere Thunderstorm WarningEAX63 min
Jun 11, 3:07 PM CDTMesoscale DiscussionSPC113 min
Jun 13, 9:07 AM CDTSevere Thunderstorm WatchSPC5 hr
Jun 13, 11:28 AM CDTSevere Thunderstorm WarningEAX47 min
Jun 13, 11:51 AM CDTMesoscale DiscussionSPC84 min
Jun 16, 11:40 AM CDTWind AdvisoryEAX27 hr
Jun 17, 2:36 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 19, 2:24 AM CDTFlood WatchEAX62 hr
Jun 21, 6:11 AM CDTAreal Flood AdvisoryEAX3 hr
Jun 27, 1:17 AM CDTExtreme Heat WatchEAX11 hr
Jun 27, 7:40 AM CDTDense Fog AdvisoryEAX2 hr
Jun 27, 12:13 PM CDTExtreme Heat WarningEAX7 days
Jul 2, 12:04 PM CDTHeat AdvisoryEAX47 hr
Jul 10, 2:17 PM CDTMesoscale DiscussionSPC118 min
Jul 10, 2:50 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 10, 3:50 PM CDTAreal Flood AdvisoryEAX3 hr
Jul 19, 12:34 AM CDTHeat AdvisoryEAX49 hr
Jul 20, 10:56 PM CDTSevere Thunderstorm WarningEAX49 min
Jul 21, 12:16 AM CDTSpecial Weather StatementEAX29 min
Jul 24, 12:44 AM CDTExtreme Heat WatchEAX11 hr
Jul 24, 12:06 PM CDTHeat AdvisoryEAX39 hr
Jul 26, 3:32 AM CDTExtreme Heat WarningEAX47 hr
Aug 4, 7:18 PM CDTAreal Flood AdvisoryEAX3 hr
Aug 5, 1:50 AM CDTFlood WatchEAX32 hr
Aug 5, 6:20 AM CDTSevere Thunderstorm WarningEAX40 min
Aug 5, 6:55 AM CDTSevere Thunderstorm WarningEAX65 min
Aug 7, 3:42 AM CDTDense Fog AdvisoryEAX5 hr
Aug 9, 12:59 AM CDTHeat AdvisoryEAX19 hr
Aug 11, 1:49 AM CDTHeat AdvisoryEAX4 days
Aug 12, 8:42 AM CDTSevere Thunderstorm WarningEAX22 min
Aug 14, 9:51 PM CDTFlood WatchEAX12 hr
Aug 14, 11:14 PM CDTSevere Thunderstorm WarningEAX46 min
Aug 14, 11:42 PM CDTMesoscale DiscussionSPC2 hr
Aug 15, 12:12 AM CDTAreal Flood AdvisoryEAX6 hr
Aug 19, 2:30 PM CDTMesoscale DiscussionSPC90 min
Aug 20, 2:18 AM CDTDense Fog AdvisoryEAX7 hr
Aug 26, 1:49 AM CDTDense Fog AdvisoryEAX7 hr
Aug 30, 12:55 PM CDTHeat AdvisoryEAX4 days
Sep 3, 11:30 AM CDTExtreme Heat WarningEAX57 hr
Sep 10, 10:48 PM CDTDense Fog AdvisoryEAX11 hr
Sep 15, 2:35 PM CDTMesoscale DiscussionSPC115 min
Sep 15, 9:04 PM CDTAreal Flood AdvisoryEAX5 hr
Sep 16, 1:15 AM CDTAreal Flood AdvisoryEAX8 hr
Sep 16, 9:14 AM CDTAreal Flood WarningEAX6 hr
Sep 19, 8:12 PM CDTSevere Thunderstorm WatchSPC3 hr
Sep 19, 10:43 PM CDTMesoscale DiscussionSPC62 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 archive2025

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.