Alert archive / Wisconsin / 2020

Weather alerts in Wisconsin, September 2020

154 weather alerts in September 2020, 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 September 2020. Tap one for its archive.

Alerts
154
Warnings
31
Watches
4
Advisories
54
Busiest day
September 26, 202038 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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.

IssuedProductOfficeCountiesLasted
Sep 1, 10:30 PM CDTSpecial Weather StatementDLHDouglas30 min
Sep 1, 11:08 PM CDTSpecial Weather StatementDLHBayfield52 min
Sep 2, 2:56 AM CDTGale WatchMKX12 hr
Sep 2, 3:57 AM CDTSmall Craft AdvisoryGRB14 hr
Sep 2, 3:16 PM CDTGale WarningMKX28 hr
Sep 2, 3:16 PM CDTSmall Craft AdvisoryMKX31 hr
Sep 2, 8:57 PM CDTSmall Craft AdvisoryGRB45 hr
Sep 3, 5:59 AM CDTWind AdvisoryDLHAshland, Bayfield, Douglas, Iron7 hr
Sep 4, 3:05 AM CDTSmall Craft AdvisoryMKX15 hr
Sep 5, 2:47 AM CDTGale WatchMKX12 hr
Sep 5, 2:47 PM CDTGale WarningMKX37 hr
Sep 5, 2:53 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc37 hr
Sep 5, 2:53 PM CDTLakeshore Flood AdvisoryGRBDoor, Kewaunee, Manitowoc, Marinette, Oconto30 hr
Sep 5, 3:00 PM CDTGale WarningGRB30 hr
Sep 5, 3:53 PM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan35 hr
Sep 5, 3:53 PM CDTLakeshore Flood AdvisoryMKXOzaukee, Sheboygan33 hr
Sep 6, 1:15 AM CDTSpecial Weather StatementARXCrawford, Grant60 min
Sep 6, 2:32 AM CDTMesoscale DiscussionSPCCrawford, Grant, Lafayette88 min
Sep 6, 4:37 AM CDTSpecial Weather StatementARXBuffalo53 min
Sep 6, 2:49 PM CDTSmall Craft AdvisoryMKX18 hr
Sep 6, 3:38 PM CDTSmall Craft AdvisoryGRB22 hr
Sep 6, 6:47 PM CDTMesoscale DiscussionSPCCalumet, Manitowoc, Milwaukee, Ozaukee, Sheboygan118 min
Sep 6, 9:32 PM CDTMesoscale DiscussionSPCKenosha, Racine118 min
Sep 7, 2:32 PM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan3 days
Sep 7, 2:32 PM CDTLakeshore Flood AdvisoryMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan66 hr
Sep 7, 2:49 PM CDTSmall Craft AdvisoryMKX3 days
Sep 7, 3:08 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc48 hr
Sep 7, 3:08 PM CDTLakeshore Flood AdvisoryGRBBrown, Oconto48 hr
Sep 7, 3:31 PM CDTSmall Craft AdvisoryGRB54 hr
Sep 8, 9:09 AM CDTFrost AdvisoryDLHAshland, Bayfield, Burnett, Douglas, Iron, Price and 2 more23 hr
Sep 9, 2:45 AM CDTFrost AdvisoryMPXBarron, Chippewa, Dunn, Pierce, Polk, Rusk and 1 more28 hr
Sep 9, 3:10 AM CDTFrost AdvisoryARXTaylor29 hr
Sep 9, 3:30 AM CDTFrost AdvisoryGRBFlorence, Forest, Langlade, Lincoln, Oneida, Vilas29 hr
Sep 9, 8:47 AM CDTFrost AdvisoryDLHAshland, Bayfield, Iron, Price, Sawyer, Washburn23 hr
Sep 9, 8:47 AM CDTFreeze WarningDLHBurnett, Douglas23 hr
Sep 10, 11:15 AM CDTFreeze WarningDLHAshland, Bayfield, Burnett, Douglas, Iron, Price and 2 more22 hr
Sep 10, 2:24 PM CDTFrost AdvisoryARXAdams, Clark, Jackson, Juneau, Monroe, Taylor19 hr
Sep 10, 2:29 PM CDTFrost AdvisoryGRBFlorence, Forest, Langlade, Lincoln, Marathon, Marinette and 9 more18 hr
Sep 10, 2:44 PM CDTFrost AdvisoryMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more18 hr
Sep 11, 3:12 AM CDTSmall Craft AdvisoryMKX41 hr
Sep 11, 3:18 AM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan41 hr
Sep 11, 3:21 AM CDTSmall Craft AdvisoryGRB42 hr
Sep 11, 3:10 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc29 hr
Sep 13, 2:34 PM CDTFrost AdvisoryGRBFlorence, Forest, Oneida, Vilas17 hr
Sep 13, 3:13 PM CDTFrost AdvisoryDLHIron18 hr
Sep 14, 2:59 AM CDTGale WatchMKX11 hr
Sep 14, 1:54 PM CDTGale WarningMKX31 hr
Sep 14, 3:09 PM CDTSmall Craft AdvisoryGRB40 hr
Sep 14, 3:32 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc32 hr
Sep 14, 9:03 PM CDTSmall Craft AdvisoryMKX22 hr
Sep 16, 2:48 AM CDTFrost AdvisoryDLHAshland, Bayfield, Burnett, Douglas, Iron, Price and 2 more29 hr
Sep 16, 2:48 AM CDTFreeze WarningDLHDouglas29 hr
Sep 16, 2:58 AM CDTSmall Craft AdvisoryMKX37 hr
Sep 16, 3:01 AM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan37 hr
Sep 16, 3:09 AM CDTFrost AdvisoryARXTaylor29 hr
Sep 16, 3:43 AM CDTFrost AdvisoryMPXBarron, Polk, Rusk28 hr
Sep 16, 3:55 AM CDTFrost AdvisoryGRBFlorence, Forest, Langlade, Lincoln, Oneida, Vilas28 hr
Sep 17, 11:03 AM CDTFrost AdvisoryMPXBarron, Chippewa, Eau Claire, Pepin, Polk, Rusk21 hr
Sep 17, 11:15 AM CDTFrost AdvisoryARXAdams, Clark, Jackson, Juneau, Monroe, Taylor21 hr
Sep 17, 11:33 AM CDTFrost AdvisoryDLHBayfield, Burnett, Douglas, Sawyer, Washburn21 hr
Sep 17, 11:33 AM CDTFreeze WarningDLHAshland, Iron, Price21 hr
Sep 17, 11:38 AM CDTFrost AdvisoryGRBMarathon, Marinette, Menominee, Oconto, Portage, Shawano and 2 more20 hr
Sep 17, 11:38 AM CDTFreeze WarningGRBFlorence, Forest, Langlade, Lincoln, Oneida, Vilas21 hr
Sep 17, 7:37 PM CDTSmall Craft AdvisoryMKX20 hr
Sep 17, 7:49 PM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan20 hr
Sep 18, 4:07 AM CDTFreeze WarningMPXBarron, Chippewa, Dunn, Eau Claire, Pierce, Polk and 2 more4 hr
Sep 18, 1:37 PM CDTFrost AdvisoryARXAdams, Clark, Jackson, Juneau, Monroe18 hr
Sep 18, 1:43 PM CDTFrost AdvisoryGRBBrown, Calumet, Kewaunee, Manitowoc, Marathon, Marinette and 9 more18 hr
Sep 19, 2:10 PM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan53 hr
Sep 19, 2:15 PM CDTSmall Craft AdvisoryMKX53 hr
Sep 19, 2:39 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc52 hr
Sep 19, 2:48 PM CDTSmall Craft AdvisoryGRB61 hr
Sep 21, 2:52 PM CDTSpecial Weather StatementDLHDouglas23 min
Sep 21, 3:22 PM CDTSpecial Weather StatementDLHDouglas23 min
Sep 21, 3:43 PM CDTSpecial Weather StatementDLHSawyer32 min
Sep 21, 3:46 PM CDTSpecial Weather StatementDLHBayfield29 min
Sep 23, 7:58 PM CDTSpecial Weather StatementGRBFlorence, Vilas62 min
Sep 23, 8:38 PM CDTSpecial Weather StatementDLHDouglas22 min
Sep 23, 9:00 PM CDTSpecial Weather StatementGRBFlorence60 min
Sep 23, 9:27 PM CDTSpecial Weather StatementDLHDouglas18 min
Sep 23, 9:37 PM CDTSpecial Weather StatementGRBVilas53 min
Sep 23, 9:46 PM CDTSpecial Weather StatementGRBVilas59 min
Sep 23, 10:01 PM CDTSevere Thunderstorm WarningGRBVilas44 min
Sep 23, 10:59 PM CDTSpecial Weather StatementDLHAshland31 min
Sep 23, 11:29 PM CDTSpecial Weather StatementDLHIron31 min
Sep 23, 11:34 PM CDTAreal Flood AdvisoryGRBFlorence, Forest, Marinette, Vilas5 hr
Sep 23, 11:37 PM CDTSpecial Weather StatementGRBVilas53 min
Sep 24, 12:26 AM CDTSpecial Weather StatementGRBOneida, Vilas64 min
Sep 24, 1:27 AM CDTSpecial Weather StatementDLHBurnett33 min
Sep 24, 1:27 AM CDTSpecial Weather StatementGRBForest63 min
Sep 24, 4:29 AM CDTBeach Hazards StatementDLHDouglas15 hr
Sep 24, 10:15 AM CDTSpecial Weather StatementARXLa Crosse75 min
Sep 24, 2:12 PM CDTSpecial Weather StatementARXCrawford48 min
Sep 24, 4:29 PM CDTSpecial Weather StatementARXRichland31 min
Sep 24, 4:41 PM CDTSpecial Weather StatementGRBShawano, Waupaca49 min
Sep 24, 5:22 PM CDTSpecial Weather StatementGRBOutagamie, Shawano53 min
Sep 24, 9:05 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc29 hr
Sep 24, 9:06 PM CDTSmall Craft AdvisoryGRB29 hr
Sep 25, 12:25 AM CDTDense Fog AdvisoryMKXSauk4 hr
Sep 25, 12:25 AM CDTDense Fog AdvisoryMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more8 hr
Sep 25, 12:32 AM CDTDense Fog AdvisoryARXAdams, Buffalo, Clark, Crawford, Jackson, Juneau and 6 more7 hr
Sep 25, 12:58 AM CDTDense Fog AdvisoryDLHAshland, Bayfield, Burnett, Douglas, Price, Sawyer and 1 more12 hr
Sep 25, 2:00 AM CDTDense Fog AdvisoryGRBBrown, Calumet, Marathon, Outagamie, Portage, Shawano and 4 more5 hr
Sep 25, 2:44 AM CDTBeach Hazards StatementMKXOzaukee, Sheboygan18 hr
Sep 25, 2:56 AM CDTSmall Craft AdvisoryMKX18 hr
Sep 25, 5:31 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Iron, Sawyer119 min
Sep 25, 6:47 PM CDTSpecial Weather StatementDLHAshland13 min
Sep 25, 6:53 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield, Iron52 min
Sep 25, 7:26 PM CDTTornado WarningDLHAshland, Iron22 min
Sep 25, 7:48 PM CDTSevere Thunderstorm WarningDLHAshland, Iron42 min
Sep 25, 8:25 PM CDTSevere Thunderstorm WarningDLHAshland, Iron50 min
Sep 25, 8:29 PM CDTSmall Craft AdvisoryMKX35 hr
Sep 25, 8:36 PM CDTSpecial Weather StatementGRBVilas24 min
Sep 25, 8:47 PM CDTMesoscale DiscussionSPCVilas118 min
Sep 25, 8:53 PM CDTSevere Thunderstorm WarningGRBVilas67 min
Sep 25, 9:14 PM CDTSevere Thunderstorm WarningDLHIron36 min
Sep 25, 9:16 PM CDTSpecial Weather StatementMQTVilas44 min
Sep 25, 9:53 PM CDTSevere Thunderstorm WarningGRBForest, Vilas52 min
Sep 25, 10:44 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest28 min
Sep 26, 12:52 AM CDTDense Fog AdvisoryDLHAshland, Bayfield, Burnett, Douglas, Sawyer, Washburn11 hr
Sep 26, 3:52 AM CDTSmall Craft AdvisoryGRB39 hr
Sep 26, 11:12 AM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc23 hr
Sep 26, 12:54 PM CDTBeach Hazards StatementMKXOzaukee, Sheboygan9 hr
Sep 26, 2:34 PM CDTSpecial Weather StatementGRBLanglade, Marathon56 min
Sep 26, 2:41 PM CDTSpecial Weather StatementARXTaylor49 min
Sep 26, 3:00 PM CDTSevere Thunderstorm WarningGRBLanglade, Marathon, Menominee, Oconto, Shawano45 min
Sep 26, 3:07 PM CDTMesoscale DiscussionSPCBrown, Clark, Door, Florence, Forest, Kewaunee and 15 more83 min
Sep 26, 3:09 PM CDTSevere Thunderstorm WarningGRBLanglade, Lincoln, Marathon51 min
Sep 26, 3:45 PM CDTSpecial Weather StatementGRBOconto45 min
Sep 26, 4:04 PM CDTSpecial Marine WarningGRB86 min
Sep 26, 4:09 PM CDTSevere Thunderstorm WarningGRBMarinette, Oconto21 min
Sep 26, 4:13 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Marinette, Oconto32 min
Sep 26, 4:35 PM CDTSpecial Weather StatementGRBDoor25 min
Sep 26, 4:49 PM CDTSpecial Weather StatementGRBMarinette41 min
Sep 26, 4:57 PM CDTSpecial Weather StatementMPXPolk33 min
Sep 26, 5:06 PM CDTSpecial Marine WarningGRB24 min
Sep 26, 5:15 PM CDTSevere Thunderstorm WarningMPXBarron, Polk30 min
Sep 26, 5:17 PM CDTMesoscale DiscussionSPCBarron, Burnett, Chippewa, Dunn, Florence, Forest and 11 more118 min
Sep 26, 5:24 PM CDTSpecial Marine WarningGRB51 min
Sep 26, 5:30 PM CDTSpecial Weather StatementDLHWashburn30 min
Sep 26, 5:33 PM CDTSevere Thunderstorm WarningGRBDoor42 min
Sep 26, 5:35 PM CDTSpecial Marine WarningGRB26 min
Sep 26, 5:50 PM CDTSevere Thunderstorm WatchSPCAshland, Barron, Bayfield, Florence, Forest, Iron and 7 more3 hr
Sep 26, 5:55 PM CDTSpecial Weather StatementDLHSawyer35 min
Sep 26, 6:33 PM CDTSpecial Weather StatementGRBVilas42 min
Sep 26, 6:59 PM CDTSpecial Weather StatementDLHPrice31 min
Sep 26, 7:12 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest, Vilas33 min
Sep 26, 7:21 PM CDTSpecial Weather StatementGRBOneida39 min
Sep 26, 7:57 PM CDTSpecial Weather StatementGRBVilas63 min
Sep 26, 9:37 PM CDTGale WarningMKX6 hr
Sep 29, 2:57 PM CDTSmall Craft AdvisoryGRB31 hr
Sep 29, 3:09 PM CDTSmall Craft AdvisoryMKX29 hr
Sep 30, 5:15 PM CDTSpecial Weather StatementMPXPierce45 min
Sep 30, 6:46 PM CDTSpecial Weather StatementMPXPierce44 min

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.

19 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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. Rebuilt daily.