Alert archive / Wisconsin / Oconto County

Weather alerts in Oconto County, Wisconsin, 2017

129 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Oconto County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Alerts
129
Warnings
28
Watches
11
Advisories
33
Busiest month
June33 alerts
Busiest day
June 12, 20176 alerts

Over time

By month

Warning verification

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

1 of 1 tornado warnings covering Oconto County in 2017 had a tornado report inside them.

Oconto County, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings110%0
Severe thunderstorm warnings21957%7100%30 min
Flash flood warnings00

Each office's whole area, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Green Bay, WI: tornado warnings6267%1540%6 min
NWS Green Bay, WI: severe thunderstorm warnings1406057%17880%26 min
NWS Green Bay, WI: flash flood warnings10100%0

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 1, 2:56 PM CSTWinter Weather AdvisoryGRB39 hr
Jan 4, 2:44 PM CSTWind Chill AdvisoryGRB45 hr
Jan 5, 11:59 AM CSTWind Chill AdvisoryGRB22 hr
Jan 6, 2:18 PM CSTWind Chill AdvisoryGRB20 hr
Jan 9, 3:44 AM CSTWinter Weather AdvisoryGRB42 hr
Jan 9, 3:47 PM CSTWinter Storm WarningGRB27 hr
Jan 11, 3:39 AM CSTWinter Weather AdvisoryGRB11 hr
Jan 15, 2:56 PM CSTWinter Storm WatchGRB13 hr
Jan 16, 4:25 AM CSTWinter Weather AdvisoryGRB32 hr
Jan 18, 2:10 AM CSTDense Fog AdvisoryGRB4 hr
Jan 19, 3:33 PM CSTFreezing Rain AdvisoryGRB20 hr
Jan 19, 7:13 PM CSTDense Fog AdvisoryGRB17 hr
Jan 20, 3:33 PM CSTDense Fog AdvisoryGRB47 hr
Jan 24, 3:54 AM CSTWinter Weather AdvisoryGRB44 hr
Jan 29, 2:33 PM CSTWinter Weather AdvisoryGRB37 hr
Feb 6, 2:50 PM CSTFreezing Rain AdvisoryGRB27 hr
Feb 8, 12:19 AM CSTSpecial Weather StatementGRB26 min
Feb 8, 12:50 AM CSTSpecial Weather StatementGRB55 min
Feb 23, 4:36 AM CSTWinter Weather AdvisoryGRB49 hr
Feb 23, 11:54 PM CSTMesoscale DiscussionSPC6 hr
Feb 28, 2:39 PM CSTWinter Weather AdvisoryGRB27 hr
Mar 6, 3:28 PM CSTWind AdvisoryGRB52 hr
Mar 6, 11:48 PM CSTSevere Thunderstorm WarningGRB27 min
Mar 16, 9:46 PM CDTWinter Weather AdvisoryGRB11 hr
Mar 19, 7:37 PM CDTSpecial Weather StatementGRB38 min
Apr 9, 11:32 PM CDTMesoscale DiscussionSPC58 min
Apr 10, 2:16 AM CDTMesoscale DiscussionSPC119 min
Apr 10, 3:13 PM CDTWinter Weather AdvisoryGRB18 hr
May 2, 3:19 PM CDTFrost AdvisoryGRB17 hr
May 6, 3:35 AM CDTFrost AdvisoryGRB28 hr
May 7, 3:36 AM CDTFreeze WarningGRB28 hr
May 8, 3:17 PM CDTFreeze WarningGRB17 hr
May 16, 9:11 AM CDTSpecial Weather StatementGRB34 min
May 16, 12:57 PM CDTMesoscale DiscussionSPC2 hr
May 16, 3:32 PM CDTMesoscale DiscussionSPC88 min
May 16, 6:25 PM CDTMesoscale DiscussionSPC65 min
May 16, 9:14 PM CDTMesoscale DiscussionSPC61 min
May 16, 9:47 PM CDTSevere Thunderstorm WatchSPC5 hr
May 16, 11:48 PM CDTMesoscale DiscussionSPC117 min
May 17, 3:13 PM CDTTornado WatchSPC9 hr
May 17, 9:03 PM CDTSevere Thunderstorm WarningGRB16 min
May 17, 10:14 PM CDTSevere Thunderstorm WarningGRB61 min
May 17, 10:29 PM CDTSevere Thunderstorm WarningGRB28 min
May 18, 2:50 PM CDTFrost AdvisoryGRB17 hr
May 18, 2:50 PM CDTFreeze WarningGRB17 hr
May 21, 5:54 AM CDTSpecial Weather StatementGRB36 min
Jun 3, 2:48 PM CDTMesoscale DiscussionSPC57 min
Jun 3, 3:15 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 3, 5:58 PM CDTMesoscale DiscussionSPC92 min
Jun 3, 6:42 PM CDTSpecial Weather StatementGRB48 min
Jun 3, 6:47 PM CDTSevere Thunderstorm WarningGRB58 min
Jun 3, 7:13 PM CDTSevere Thunderstorm WarningGRB62 min
Jun 4, 11:06 PM CDTSevere Thunderstorm WarningGRB39 min
Jun 4, 11:43 PM CDTSpecial Weather StatementGRB92 min
Jun 8, 6:50 PM CDTSpecial Weather StatementGRB40 min
Jun 11, 9:30 AM CDTMesoscale DiscussionSPC60 min
Jun 11, 10:39 AM CDTSevere Thunderstorm WatchSPC5 hr
Jun 11, 12:00 PM CDTMesoscale DiscussionSPC2 hr
Jun 11, 12:48 PM CDTSevere Thunderstorm WarningGRB57 min
Jun 11, 8:01 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 11, 9:18 PM CDTSevere Thunderstorm WarningGRB42 min
Jun 11, 9:39 PM CDTMesoscale DiscussionSPC2 hr
Jun 11, 11:59 PM CDTMesoscale DiscussionSPC91 min
Jun 12, 4:37 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 12, 6:38 PM CDTMesoscale DiscussionSPC2 hr
Jun 14, 12:40 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 14, 2:20 PM CDTSevere Thunderstorm WarningGRB40 min
Jun 14, 3:25 PM CDTSevere Thunderstorm WarningGRB50 min
Jun 14, 3:45 PM CDTTornado WarningGRB34 min
Jun 14, 4:09 PM CDTSevere Thunderstorm WarningGRB57 min
Jun 15, 2:05 AM CDTRiver Flood WarningGRB32 hr
Jun 16, 2:25 PM CDTMesoscale DiscussionSPC2 hr
Jun 16, 2:40 PM CDTSevere Thunderstorm WarningGRB50 min
Jun 16, 3:03 PM CDTSevere Thunderstorm WarningGRB41 min
Jun 16, 9:07 PM CDTSpecial Weather StatementGRB38 min
Jun 16, 9:17 PM CDTSevere Thunderstorm WarningGRB39 min
Jun 20, 12:54 PM CDTSpecial Weather StatementGRB66 min
Jun 20, 1:42 PM CDTSpecial Weather StatementGRB48 min
Jun 20, 2:55 PM CDTSpecial Weather StatementGRB35 min
Jul 6, 5:04 PM CDTMesoscale DiscussionSPC116 min
Jul 6, 5:54 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 6, 9:43 PM CDTMesoscale DiscussionSPC92 min
Jul 10, 7:19 PM CDTSpecial Weather StatementGRB41 min
Jul 10, 8:48 PM CDTSpecial Weather StatementGRB42 min
Jul 11, 7:26 PM CDTAreal Flood AdvisoryGRB2 hr
Jul 12, 6:33 AM CDTSpecial Weather StatementGRB87 min
Jul 12, 2:53 PM CDTMesoscale DiscussionSPC97 min
Jul 12, 3:33 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 12, 6:19 PM CDTMesoscale DiscussionSPC86 min
Jul 12, 9:36 PM CDTMesoscale DiscussionSPC84 min
Jul 15, 4:54 PM CDTMesoscale DiscussionSPC2 hr
Jul 15, 5:53 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 15, 6:26 PM CDTSevere Thunderstorm WarningGRB49 min
Jul 15, 7:04 PM CDTSevere Thunderstorm WarningGRB41 min
Jul 18, 1:35 PM CDTSpecial Weather StatementGRB40 min
Jul 18, 2:19 PM CDTMesoscale DiscussionSPC116 min
Jul 18, 5:00 PM CDTSpecial Weather StatementGRB90 min
Jul 18, 5:32 PM CDTSevere Thunderstorm WarningGRB43 min
Jul 22, 6:11 PM CDTSpecial Weather StatementGRB34 min
Jul 22, 6:19 PM CDTSevere Thunderstorm WarningGRB41 min
Jul 22, 7:00 PM CDTSevere Thunderstorm WarningGRB25 min
Jul 22, 8:30 PM CDTSpecial Weather StatementGRB45 min
Jul 30, 5:38 PM CDTSpecial Weather StatementGRB52 min
Aug 1, 12:39 PM CDTSpecial Weather StatementGRB36 min
Aug 1, 1:16 PM CDTSpecial Weather StatementGRB59 min
Aug 1, 2:48 PM CDTSpecial Weather StatementGRB42 min
Aug 1, 4:14 PM CDTSpecial Weather StatementGRB46 min
Aug 1, 4:34 PM CDTSpecial Weather StatementGRB41 min
Aug 1, 5:19 PM CDTSpecial Weather StatementGRB26 min
Aug 3, 10:58 AM CDTSpecial Weather StatementGRB62 min
Aug 5, 4:32 PM CDTSpecial Weather StatementGRB58 min
Aug 5, 5:29 PM CDTSpecial Weather StatementGRB46 min
Aug 10, 2:05 PM CDTSevere Thunderstorm WarningGRB40 min
Aug 30, 1:30 PM CDTSpecial Weather StatementGRB60 min
Sep 8, 2:29 PM CDTFrost AdvisoryGRB18 hr
Sep 17, 5:38 AM CDTSpecial Weather StatementGRB52 min
Sep 20, 9:53 AM CDTSpecial Weather StatementGRB67 min
Sep 28, 5:32 PM CDTSpecial Weather StatementGRB43 min
Sep 29, 3:42 AM CDTFrost AdvisoryGRB29 hr
Oct 3, 9:46 PM CDTSpecial Weather StatementGRB29 min
Oct 22, 11:12 PM CDTDense Fog AdvisoryGRB11 hr
Oct 23, 2:33 PM CDTWind AdvisoryGRB24 hr
Nov 3, 4:08 AM CDTWinter Weather AdvisoryGRB30 hr
Dec 4, 3:53 AM CSTWind AdvisoryGRB38 hr
Dec 8, 10:51 AM CSTWinter Weather AdvisoryGRB17 hr
Dec 12, 1:45 PM CSTWinter Weather AdvisoryGRB31 hr
Dec 13, 10:45 AM CSTWinter Storm WarningGRB10 hr
Dec 24, 2:09 PM CSTWind Chill AdvisoryGRB70 hr
Dec 29, 1:26 PM CSTWind Chill AdvisoryGRB4 days

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 archive20162018

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.