Alert archive / Wisconsin / Sheboygan County

Weather alerts in Sheboygan County, Wisconsin, 2024

101 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sheboygan County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
101
Warnings
20
Watches
12
Advisories
37
Busiest month
June19 alerts
Busiest day
June 25, 202410 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 Sheboygan County in 2024 had a tornado report inside them.

Sheboygan County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings9633%6100%35 min
Flash flood warnings110%1100%9 min

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Milwaukee, WI: tornado warnings551180%2479%13 min
NWS Milwaukee, WI: severe thunderstorm warnings1748452%28378%25 min
NWS Milwaukee, WI: flash flood warnings16475%2124%22 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.

IssuedProductOfficeLasted
Jan 7, 2:02 PM CSTWinter Storm WatchMKX24 hr
Jan 8, 2:41 AM CSTWinter Storm WarningMKX48 hr
Jan 8, 2:41 AM CSTWinter Weather AdvisoryMKX27 hr
Jan 9, 1:09 PM CSTMesoscale DiscussionSPC3 hr
Jan 10, 2:49 PM CSTWinter Storm WatchMKX23 hr
Jan 11, 1:36 PM CSTWinter Storm WarningMKX37 hr
Jan 12, 10:24 AM CSTMesoscale DiscussionSPC4 hr
Jan 12, 2:10 PM CSTBlizzard WarningMKX13 hr
Jan 12, 2:10 PM CSTWinter Storm WarningMKX13 hr
Jan 12, 5:47 PM CSTMesoscale DiscussionSPC4 hr
Jan 13, 2:55 AM CSTWind Chill AdvisoryMKX4 days
Jan 13, 2:55 AM CSTWinter Weather AdvisoryMKX12 hr
Jan 20, 2:01 AM CSTWind Chill AdvisoryMKX31 hr
Jan 23, 2:14 PM CSTDense Fog AdvisoryMKX22 hr
Jan 24, 2:17 PM CSTDense Fog AdvisoryMKX40 hr
Jan 26, 1:21 PM CSTDense Fog AdvisoryMKX23 hr
Jan 27, 1:27 PM CSTDense Fog AdvisoryMKX10 hr
Feb 1, 7:07 AM CSTDense Fog AdvisoryMKX4 hr
Feb 4, 1:25 AM CSTDense Fog AdvisoryMKX9 hr
Feb 4, 5:52 PM CSTFreezing Fog AdvisoryMKX14 hr
Feb 5, 9:36 PM CSTDense Fog AdvisoryMKX14 hr
Feb 6, 5:40 PM CSTDense Fog AdvisoryMKX16 hr
Feb 8, 7:04 PM CSTSpecial Weather StatementMKX26 min
Feb 14, 3:17 AM CSTWinter Weather AdvisoryMKX29 hr
Feb 19, 11:39 PM CSTDense Fog AdvisoryMKX8 hr
Mar 21, 2:25 AM CDTWinter Weather AdvisoryMKX37 hr
Apr 2, 3:41 AM CDTWinter Weather AdvisoryMKX31 hr
Apr 16, 9:00 PM CDTSpecial Weather StatementMKX45 min
Apr 24, 3:15 AM CDTFreeze WatchMKX11 hr
Apr 24, 2:01 PM CDTFreeze WarningMKX18 hr
Apr 27, 12:28 PM CDTWind AdvisoryMKX4 hr
Apr 27, 6:15 PM CDTSpecial Weather StatementMKX45 min
Apr 27, 6:47 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 27, 7:06 PM CDTSpecial Weather StatementMKX39 min
May 7, 2:41 PM CDTSevere Thunderstorm WarningMKX37 min
May 10, 8:57 PM CDTSpecial Weather StatementMKX63 min
May 17, 4:10 AM CDTDense Fog AdvisoryMKX4 hr
May 20, 11:44 PM CDTDense Fog AdvisoryMKX10 hr
May 21, 3:58 PM CDTTornado WatchSPC9 hr
May 21, 8:59 PM CDTSevere Thunderstorm WarningMKX46 min
May 21, 9:00 PM CDTTornado WarningMKX30 min
May 21, 9:22 PM CDTSevere Thunderstorm Warning Considerable damage threatMKX38 min
May 21, 11:45 PM CDTMesoscale DiscussionSPC2 hr
May 24, 11:42 AM CDTSpecial Weather StatementMKX63 min
May 28, 2:46 PM CDTSpecial Weather StatementMKX44 min
May 28, 3:31 PM CDTAreal Flood AdvisoryMKX4 hr
Jun 1, 9:01 PM CDTDense Fog AdvisoryMKX12 hr
Jun 15, 2:22 PM CDTBeach Hazards StatementMKX29 hr
Jun 17, 3:00 PM CDTMesoscale DiscussionSPC2 hr
Jun 18, 12:00 AM CDTSevere Thunderstorm WarningMKX30 min
Jun 18, 3:38 AM CDTBeach Hazards StatementMKX24 hr
Jun 19, 3:26 PM CDTSevere Thunderstorm WarningMKX34 min
Jun 21, 3:21 AM CDTFlood WatchMKX43 hr
Jun 23, 7:59 AM CDTRiver Flood WarningMKX44 hr
Jun 25, 12:55 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 25, 2:16 AM CDTMesoscale DiscussionSPC89 min
Jun 25, 3:25 AM CDTSevere Thunderstorm WarningMKX65 min
Jun 25, 4:09 AM CDTMesoscale DiscussionSPC96 min
Jun 25, 4:19 AM CDTAreal Flood AdvisoryMKX3 hr
Jun 25, 4:29 AM CDTSpecial Weather StatementMKX31 min
Jun 25, 5:02 AM CDTSpecial Weather StatementMKX28 min
Jun 25, 5:32 AM CDTSpecial Weather StatementMKX43 min
Jun 25, 5:43 AM CDTSevere Thunderstorm WarningMKX32 min
Jun 25, 8:54 AM CDTRiver Flood WarningMKX37 hr
Jun 27, 3:10 PM CDTBeach Hazards StatementMKX34 hr
Jul 1, 2:28 PM CDTBeach Hazards StatementMKX35 hr
Jul 5, 2:46 PM CDTAreal Flood AdvisoryMKX3 hr
Jul 13, 3:38 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 13, 8:03 PM CDTSpecial Weather StatementMKX57 min
Jul 13, 8:12 PM CDTSevere Thunderstorm Warning Considerable damage threatMKX63 min
Aug 5, 2:48 AM CDTFlood WatchMKX25 hr
Aug 5, 9:57 AM CDTBeach Hazards StatementMKX48 hr
Aug 14, 3:00 AM CDTBeach Hazards StatementMKX50 hr
Aug 14, 3:51 AM CDTDense Fog AdvisoryMKX5 hr
Aug 16, 3:02 PM CDTAreal Flood AdvisoryMKX3 hr
Aug 16, 3:37 PM CDTFlash Flood WarningMKX113 min
Aug 16, 5:51 PM CDTAreal Flood WarningMKX3 hr
Aug 25, 2:45 PM CDTExcessive Heat WatchMKX24 hr
Aug 26, 2:31 PM CDTHeat AdvisoryMKX24 hr
Aug 26, 8:41 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 27, 1:13 AM CDTSpecial Weather StatementMKX47 min
Aug 27, 11:25 AM CDTMesoscale DiscussionSPC3 hr
Aug 27, 11:41 AM CDTSevere Thunderstorm WarningMKX19 min
Aug 28, 3:06 AM CDTBeach Hazards StatementMKX19 hr
Sep 5, 3:01 PM CDTBeach Hazards StatementMKX52 hr
Sep 21, 9:09 PM CDTBeach Hazards StatementMKX42 hr
Sep 26, 2:48 PM CDTBeach Hazards StatementMKX3 days
Oct 15, 1:18 AM CDTFreeze WarningMKX32 hr
Oct 30, 2:22 PM CDTWind AdvisoryMKX32 hr
Nov 20, 3:17 AM CSTWinter Weather AdvisoryMKX33 hr
Nov 21, 2:43 AM CSTWind AdvisoryMKX11 hr
Nov 21, 4:09 AM CSTMesoscale DiscussionSPC4 hr
Dec 4, 2:08 AM CSTWind AdvisoryMKX22 hr
Dec 4, 3:40 PM CSTMesoscale DiscussionSPC3 hr
Dec 11, 3:14 PM CSTCold Weather AdvisoryMKX19 hr
Dec 15, 4:11 AM CSTDense Fog AdvisoryMKX30 hr
Dec 18, 2:37 AM CSTWinter Storm WatchMKX11 hr
Dec 18, 1:22 PM CSTWinter Weather AdvisoryMKX44 hr
Dec 22, 2:36 PM CSTWinter Weather AdvisoryMKX28 hr
Dec 26, 9:08 AM CSTDense Fog AdvisoryMKX27 hr
Dec 28, 9:30 PM CSTDense Fog AdvisoryMKX15 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 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.