Alert archive / Minnesota / Lake County

Weather alerts in Lake County, Minnesota, 2013

188 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Lake County and its neighbors

Each county as a circle sized by its count in 2013. Tap one for its archive.

Alerts
188
Warnings
34
Watches
13
Advisories
63
Busiest month
July43 alerts
Busiest day
July 18, 201314 alerts

Over time

By month

Warning verification

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

Lake County, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings16194%10%
Flash flood warnings00

Each office's whole area, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Duluth, MN: tornado warnings8188%2100%6 min
NWS Duluth, MN: severe thunderstorm warnings1283275%6668%22 min
NWS Duluth, MN: flash flood warnings20100%40%

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 10, 3:56 AM CSTFreezing Rain AdvisoryDLH32 hr
Jan 10, 7:29 PM CSTMesoscale DiscussionSPC5 hr
Jan 11, 3:49 PM CSTDense Fog AdvisoryDLH12 hr
Jan 16, 2:57 PM CSTWind Chill AdvisoryDLH21 hr
Jan 19, 3:54 AM CSTWind Chill AdvisoryDLH44 hr
Jan 19, 9:47 AM CSTWind AdvisoryDLH9 hr
Jan 19, 6:20 PM CSTWind AdvisoryDLH9 hr
Jan 20, 3:59 AM CSTWind Chill WarningDLH55 hr
Jan 22, 3:31 AM CSTWind Chill AdvisoryDLH27 hr
Jan 23, 3:08 AM CSTWind Chill AdvisoryDLH30 hr
Jan 24, 12:54 PM CSTWinter Storm WatchDLH3 hr
Jan 24, 3:38 PM CSTWinter Storm WarningDLH11 hr
Jan 28, 4:11 AM CSTWinter Storm WatchDLH11 hr
Jan 28, 2:52 PM CSTWinter Weather AdvisoryDLH19 hr
Jan 28, 2:52 PM CSTFreezing Rain AdvisoryDLH19 hr
Jan 31, 4:25 AM CSTWind Chill AdvisoryDLH53 hr
Feb 2, 3:02 PM CSTWind Chill AdvisoryDLH13 hr
Feb 6, 11:03 AM CSTLake Effect Snow AdvisoryDLH26 hr
Feb 8, 4:44 AM CSTWinter Storm WatchDLH30 hr
Feb 9, 11:10 AM CSTWinter Storm WarningDLH52 hr
Feb 10, 12:57 PM CSTMesoscale DiscussionSPC5 hr
Feb 17, 4:03 AM CSTWinter Weather AdvisoryDLH68 hr
Feb 18, 4:08 PM CSTWind Chill AdvisoryDLH20 hr
Feb 19, 3:32 PM CSTWind Chill AdvisoryDLH18 hr
Feb 21, 3:38 PM CSTWinter Weather AdvisoryDLH38 hr
Mar 3, 3:27 AM CSTWinter Storm WatchDLH24 hr
Mar 4, 3:45 AM CSTWinter Weather AdvisoryDLH38 hr
Mar 8, 4:16 AM CSTWinter Weather AdvisoryDLH43 hr
Mar 17, 4:10 AM CDTWinter Weather AdvisoryDLH59 hr
Apr 5, 4:17 AM CDTWinter Weather AdvisoryDLH42 hr
Apr 7, 3:27 PM CDTWinter Weather AdvisoryDLH18 hr
Apr 10, 3:36 AM CDTWinter Storm WarningDLH3 days
Apr 10, 12:37 PM CDTWinter Weather AdvisoryDLH71 hr
Apr 12, 4:58 PM CDTWinter Storm WatchDLH23 hr
Apr 13, 3:38 PM CDTWinter Storm WarningDLH42 hr
Apr 16, 3:54 PM CDTWinter Storm WatchDLH23 hr
Apr 17, 2:52 PM CDTWinter Storm WarningDLH57 hr
Apr 18, 7:13 PM CDTMesoscale DiscussionSPC5 hr
Apr 19, 10:10 AM CDTWinter Storm WarningDLH10 hr
Apr 22, 3:55 AM CDTWinter Storm WarningDLH32 hr
Apr 22, 3:55 AM CDTWinter Weather AdvisoryDLH25 hr
Apr 30, 5:52 AM CDTSpecial Weather StatementDLH23 min
Apr 30, 6:36 AM CDTSpecial Weather StatementDLH39 min
Apr 30, 7:10 AM CDTSpecial Weather StatementDLH50 min
Apr 30, 7:38 AM CDTSevere Thunderstorm WarningDLH52 min
May 1, 4:11 AM CDTWinter Weather AdvisoryDLH31 hr
May 1, 10:31 PM CDTWinter Weather AdvisoryDLH60 hr
May 5, 3:13 AM CDTDense Fog AdvisoryDLH8 hr
May 15, 3:35 AM CDTRed Flag WarningDLH17 hr
May 18, 3:05 PM CDTFlash Flood WatchDLH67 hr
May 18, 4:54 PM CDTDense Fog AdvisoryDLH17 hr
May 31, 2:35 PM CDTSevere Thunderstorm WatchSPC9 hr
May 31, 4:54 PM CDTSpecial Weather StatementDLH36 min
Jun 1, 3:35 PM CDTFrost AdvisoryDLH16 hr
Jun 2, 3:22 PM CDTFrost AdvisoryDLH16 hr
Jun 2, 3:22 PM CDTFreeze WarningDLH16 hr
Jun 15, 2:13 AM CDTSpecial Weather StatementDLH32 min
Jun 15, 2:21 AM CDTSpecial Weather StatementDLH39 min
Jun 16, 2:45 PM CDTSpecial Weather StatementDLH15 min
Jun 16, 3:00 PM CDTSpecial Weather StatementDLH15 min
Jun 16, 6:01 PM CDTSpecial Weather StatementDLH29 min
Jun 20, 5:07 AM CDTSpecial Weather StatementDLH38 min
Jun 20, 10:31 AM CDTSpecial Weather StatementDLH14 min
Jun 21, 2:15 AM CDTDense Fog AdvisoryDLH4 hr
Jun 22, 5:18 AM CDTDense Fog AdvisoryDLH43 hr
Jun 26, 10:56 AM CDTSpecial Weather StatementDLH49 min
Jun 26, 11:35 AM CDTSpecial Weather StatementDLH55 min
Jun 26, 12:49 PM CDTSpecial Weather StatementDLH41 min
Jun 27, 4:50 AM CDTSpecial Weather StatementDLH25 min
Jun 27, 5:10 AM CDTSpecial Weather StatementDLH20 min
Jun 27, 12:19 PM CDTSpecial Weather StatementDLH41 min
Jun 27, 1:09 PM CDTSpecial Weather StatementDLH36 min
Jun 27, 1:46 PM CDTSpecial Weather StatementDLH59 min
Jun 27, 3:23 PM CDTSpecial Weather StatementDLH52 min
Jun 27, 5:56 PM CDTSpecial Weather StatementDLH19 min
Jul 5, 11:47 PM CDTSpecial Weather StatementDLH13 min
Jul 6, 1:21 PM CDTSpecial Weather StatementDLH39 min
Jul 6, 2:24 PM CDTSevere Thunderstorm WarningDLH36 min
Jul 6, 2:53 PM CDTSpecial Weather StatementDLH37 min
Jul 6, 8:12 PM CDTSpecial Weather StatementDLH18 min
Jul 6, 11:32 PM CDTSpecial Weather StatementDLH43 min
Jul 7, 3:26 PM CDTDense Fog AdvisoryDLH19 hr
Jul 8, 3:37 PM CDTDense Fog AdvisoryDLH20 hr
Jul 13, 2:12 AM CDTSpecial Weather StatementDLH48 min
Jul 17, 12:51 PM CDTSpecial Weather StatementDLH39 min
Jul 17, 6:35 PM CDTSpecial Weather StatementDLH25 min
Jul 17, 7:15 PM CDTSpecial Weather StatementDLH30 min
Jul 17, 8:46 PM CDTSpecial Weather StatementDLH29 min
Jul 18, 9:54 AM CDTSevere Thunderstorm WarningDLH21 min
Jul 18, 1:09 PM CDTSpecial Weather StatementDLH21 min
Jul 18, 1:21 PM CDTSpecial Weather StatementDLH24 min
Jul 18, 1:26 PM CDTSevere Thunderstorm WarningDLH49 min
Jul 18, 2:00 PM CDTSpecial Weather StatementDLH15 min
Jul 18, 2:16 PM CDTMesoscale DiscussionSPC89 min
Jul 18, 2:36 PM CDTSevere Thunderstorm WarningDLH24 min
Jul 18, 3:06 PM CDTSpecial Weather StatementDLH24 min
Jul 18, 4:26 PM CDTSpecial Weather StatementDLH4 min
Jul 18, 4:55 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 18, 5:34 PM CDTSevere Thunderstorm WarningDLH41 min
Jul 18, 6:24 PM CDTSevere Thunderstorm WarningDLH51 min
Jul 18, 7:09 PM CDTSpecial Weather StatementDLH21 min
Jul 18, 7:54 PM CDTFlash Flood WatchDLH8 hr
Jul 18, 8:20 PM CDTMesoscale DiscussionSPC115 min
Jul 18, 8:28 PM CDTSevere Thunderstorm WarningDLH32 min
Jul 18, 9:03 PM CDTSpecial Weather StatementDLH12 min
Jul 18, 9:23 PM CDTSpecial Weather StatementDLH27 min
Jul 18, 9:32 PM CDTAreal Flood AdvisoryDLH12 hr
Jul 18, 11:36 PM CDTSevere Thunderstorm WarningDLH24 min
Jul 18, 11:51 PM CDTMesoscale DiscussionSPC54 min
Jul 18, 11:53 PM CDTSevere Thunderstorm WarningDLH22 min
Jul 19, 12:24 AM CDTAreal Flood AdvisoryDLH12 hr
Jul 25, 3:57 PM CDTSevere Thunderstorm WarningDLH33 min
Jul 25, 4:02 PM CDTSevere Thunderstorm WarningDLH28 min
Jul 25, 4:35 PM CDTSpecial Weather StatementDLH25 min
Jul 25, 4:51 PM CDTMesoscale DiscussionSPC2 hr
Jul 25, 5:07 PM CDTSpecial Weather StatementDLH23 min
Jul 26, 3:32 AM CDTDense Fog AdvisoryDLH7 hr
Jul 28, 3:27 PM CDTFrost AdvisoryDLH16 hr
Aug 1, 8:58 PM CDTSpecial Weather StatementDLH32 min
Aug 1, 9:08 PM CDTSevere Thunderstorm WarningDLH22 min
Aug 1, 9:33 PM CDTSpecial Weather StatementDLH27 min
Aug 19, 4:46 AM CDTSpecial Weather StatementDLH14 min
Aug 19, 5:12 AM CDTSpecial Weather StatementDLH18 min
Aug 19, 5:47 AM CDTSpecial Weather StatementDLH13 min
Aug 19, 6:18 AM CDTSpecial Weather StatementDLH12 min
Aug 19, 6:47 AM CDTSpecial Weather StatementDLH13 min
Aug 19, 7:23 AM CDTSpecial Weather StatementDLH22 min
Aug 19, 3:47 PM CDTHeat AdvisoryDLH28 hr
Aug 21, 4:16 AM CDTSpecial Weather StatementDLH29 min
Aug 25, 3:53 AM CDTSpecial Weather StatementDLH37 min
Aug 25, 8:20 AM CDTSpecial Weather StatementDLH25 min
Aug 25, 8:11 PM CDTSpecial Weather StatementDLH49 min
Aug 25, 9:30 PM CDTSpecial Weather StatementDLH45 min
Aug 25, 10:09 PM CDTSpecial Weather StatementDLH36 min
Aug 25, 10:40 PM CDTAreal Flood AdvisoryDLH12 hr
Aug 26, 5:41 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 26, 6:23 PM CDTSevere Thunderstorm WarningDLH52 min
Aug 26, 7:28 PM CDTSpecial Weather StatementDLH17 min
Aug 26, 7:47 PM CDTSpecial Weather StatementDLH43 min
Aug 27, 10:03 PM CDTDense Fog AdvisoryDLH10 hr
Aug 29, 9:29 AM CDTMesoscale DiscussionSPC91 min
Aug 29, 12:02 PM CDTSpecial Weather StatementDLH28 min
Aug 29, 12:32 PM CDTSpecial Weather StatementDLH28 min
Aug 29, 12:33 PM CDTSpecial Weather StatementDLH17 min
Aug 31, 2:10 PM CDTMesoscale DiscussionSPC2 hr
Aug 31, 2:49 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 31, 4:56 PM CDTSpecial Weather StatementDLH34 min
Aug 31, 5:45 PM CDTSpecial Weather StatementDLH30 min
Aug 31, 11:22 PM CDTSpecial Weather StatementDLH38 min
Sep 4, 1:19 PM CDTFrost AdvisoryDLH18 hr
Sep 9, 4:22 PM CDTSpecial Weather StatementDLH23 min
Sep 9, 4:48 PM CDTSpecial Weather StatementDLH12 min
Sep 11, 3:22 PM CDTFreeze WatchDLH12 hr
Sep 11, 6:59 PM CDTSpecial Weather StatementDLH31 min
Sep 12, 3:12 AM CDTFreeze WarningDLH29 hr
Sep 15, 3:40 AM CDTFrost AdvisoryDLH28 hr
Sep 15, 2:52 PM CDTFreeze WarningDLH17 hr
Sep 16, 3:31 PM CDTFrost AdvisoryDLH15 hr
Sep 19, 9:16 AM CDTSevere Thunderstorm WarningDLH29 min
Sep 19, 9:16 AM CDTSevere Thunderstorm WarningDLH44 min
Sep 19, 9:35 AM CDTSpecial Weather StatementDLH25 min
Sep 19, 10:05 AM CDTSpecial Weather StatementDLH40 min
Sep 19, 11:09 AM CDTSpecial Weather StatementDLH36 min
Sep 21, 3:26 AM CDTFrost AdvisoryDLH28 hr
Sep 25, 3:59 PM CDTDense Fog AdvisoryDLH15 hr
Oct 4, 10:21 AM CDTWind AdvisoryDLH36 hr
Oct 30, 6:45 PM CDTDense Fog AdvisoryDLH17 hr
Nov 8, 10:40 AM CSTWinter Weather AdvisoryDLH17 hr
Nov 27, 4:11 AM CSTWinter Weather AdvisoryDLH20 hr
Nov 28, 12:01 AM CSTWinter Storm WarningDLH12 hr
Dec 1, 3:36 PM CSTWinter Weather AdvisoryDLH37 hr
Dec 2, 4:06 PM CSTWinter Storm WarningDLH59 hr
Dec 5, 3:32 AM CSTWind Chill AdvisoryDLH29 hr
Dec 6, 10:08 AM CSTWind Chill AdvisoryDLH26 hr
Dec 7, 12:14 PM CSTWind Chill AdvisoryDLH22 hr
Dec 7, 3:33 PM CSTWinter Weather AdvisoryDLH36 hr
Dec 9, 3:53 AM CSTWind Chill AdvisoryDLH23 hr
Dec 10, 4:18 AM CSTWind Chill WarningDLH30 hr
Dec 11, 4:22 AM CSTWind Chill AdvisoryDLH30 hr
Dec 12, 11:34 AM CSTWind Chill AdvisoryDLH24 hr
Dec 13, 3:27 PM CSTLake Effect Snow AdvisoryDLH27 hr
Dec 14, 10:12 AM CSTLake Effect Snow WarningDLH8 hr
Dec 14, 3:32 PM CSTWind Chill AdvisoryDLH19 hr
Dec 15, 9:59 PM CSTWind Chill AdvisoryDLH6 hr
Dec 23, 4:05 PM CSTWind Chill AdvisoryDLH17 hr
Dec 23, 4:05 PM CSTWinter Weather AdvisoryDLH35 hr
Dec 28, 4:34 AM CSTWind Chill WarningDLH55 hr
Dec 30, 3:06 PM CSTWind Chill WarningDLH45 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 archive20122014

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.