Alert archive / Illinois / McHenry County

Weather alerts in McHenry County, Illinois, 2016

92 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

McHenry County and its neighbors

Each county as a circle sized by its count in 2016. Tap one for its archive.

Alerts
92
Warnings
20
Watches
13
Advisories
35
Busiest month
July26 alerts
Busiest day
July 23, 201610 alerts

Over time

By month

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 8, 2:16 PM CSTDense Fog AdvisoryLOT13 hr
Jan 16, 2:39 PM CSTWind Chill AdvisoryLOT45 hr
Feb 1, 5:50 PM CSTDense Fog AdvisoryLOT8 hr
Feb 2, 9:55 PM CSTDense Fog AdvisoryLOT7 hr
Feb 12, 3:53 AM CSTWind Chill AdvisoryLOT29 hr
Feb 18, 2:46 PM CSTWind AdvisoryLOT27 hr
Feb 19, 9:41 AM CSTHigh Wind WarningLOT8 hr
Feb 29, 3:47 AM CSTWinter Storm WarningLOT24 hr
Feb 29, 3:47 AM CSTWinter Weather AdvisoryLOT29 hr
Feb 29, 8:49 PM CSTMesoscale DiscussionSPC6 hr
Mar 15, 3:50 AM CDTHigh Wind WatchLOT24 hr
Mar 15, 3:06 PM CDTWind AdvisoryLOT29 hr
Mar 15, 8:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Mar 16, 3:58 AM CDTHigh Wind WarningLOT7 hr
Mar 31, 10:46 AM CDTMesoscale DiscussionSPC89 min
Mar 31, 1:07 PM CDTSpecial Weather StatementLOT23 min
Apr 1, 2:29 PM CDTWind AdvisoryLOT29 hr
Apr 22, 3:26 AM CDTFrost AdvisoryLOT29 hr
Apr 25, 1:40 PM CDTMesoscale DiscussionSPC2 hr
Apr 25, 2:17 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 25, 4:14 PM CDTSevere Thunderstorm WarningLOT35 min
Apr 25, 6:04 PM CDTMesoscale DiscussionSPC86 min
Apr 25, 7:12 PM CDTSevere Thunderstorm WarningLOT33 min
May 10, 10:45 PM CDTDense Fog AdvisoryLOT11 hr
May 14, 3:05 AM CDTFrost AdvisoryLOT29 hr
May 17, 7:07 PM CDTFrost AdvisoryLOT13 hr
May 28, 1:37 PM CDTSevere Thunderstorm WatchSPC7 hr
May 28, 8:30 PM CDTMesoscale DiscussionSPC60 min
Jun 9, 7:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 1:00 AM CDTAreal Flood AdvisoryLOT5 hr
Jun 14, 8:54 PM CDTFlash Flood WatchLOT8 hr
Jun 15, 12:12 AM CDTSevere Thunderstorm WarningLOT48 min
Jun 21, 3:35 PM CDTFlash Flood WatchLOT33 hr
Jun 22, 3:38 PM CDTMesoscale DiscussionSPC97 min
Jun 23, 5:05 AM CDTDense Fog AdvisoryLOT4 hr
Jul 6, 1:20 AM CDTSevere Thunderstorm WarningLOT55 min
Jul 6, 1:27 AM CDTMesoscale DiscussionSPC2 hr
Jul 6, 1:50 AM CDTSevere Thunderstorm WarningLOT70 min
Jul 6, 1:55 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 8, 4:20 AM CDTDense Fog AdvisoryLOT4 hr
Jul 17, 7:00 AM CDTMesoscale DiscussionSPC2 hr
Jul 18, 3:19 PM CDTExcessive Heat WatchLOT61 hr
Jul 20, 12:47 PM CDTExcessive Heat WarningLOT3 days
Jul 20, 12:47 PM CDTHeat AdvisoryLOT3 days
Jul 21, 6:18 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 21, 6:58 PM CDTSevere Thunderstorm WarningLOT62 min
Jul 21, 7:42 PM CDTSevere Thunderstorm WarningLOT63 min
Jul 21, 8:17 PM CDTMesoscale DiscussionSPC58 min
Jul 23, 1:06 PM CDTMesoscale DiscussionSPC2 hr
Jul 23, 2:50 PM CDTMesoscale DiscussionSPC25 min
Jul 23, 3:23 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 23, 3:55 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 23, 4:13 PM CDTSevere Thunderstorm WarningLOT47 min
Jul 23, 4:58 PM CDTSevere Thunderstorm WarningLOT47 min
Jul 23, 5:00 PM CDTFlash Flood WarningLOT6 hr
Jul 23, 5:25 PM CDTMesoscale DiscussionSPC2 hr
Jul 23, 5:28 PM CDTSevere Thunderstorm WarningLOT47 min
Jul 23, 5:44 PM CDTAreal Flood AdvisoryLOT5 hr
Jul 23, 10:59 PM CDTAreal Flood WarningLOT12 hr
Jul 24, 2:25 PM CDTMesoscale DiscussionSPC3 hr
Jul 28, 11:16 AM CDTMesoscale DiscussionSPC2 hr
Aug 4, 8:41 PM CDTMesoscale DiscussionSPC64 min
Aug 4, 8:59 PM CDTSevere Thunderstorm WatchSPC3 hr
Aug 4, 9:46 PM CDTSevere Thunderstorm WarningLOT44 min
Aug 11, 8:06 PM CDTFlash Flood WatchLOT28 hr
Aug 29, 4:35 PM CDTAreal Flood AdvisoryLOT3 hr
Aug 29, 5:08 PM CDTFlash Flood WarningLOT6 hr
Aug 29, 10:00 PM CDTAreal Flood WarningLOT12 hr
Sep 7, 1:00 PM CDTMesoscale DiscussionSPC3 hr
Sep 7, 3:36 PM CDTMesoscale DiscussionSPC2 hr
Sep 20, 4:52 AM CDTDense Fog AdvisoryLOT4 hr
Sep 21, 9:53 AM CDTSpecial Weather StatementLOT22 min
Sep 25, 2:38 PM CDTMesoscale DiscussionSPC2 hr
Oct 6, 8:05 PM CDTSpecial Weather StatementLOT25 min
Oct 13, 2:34 PM CDTFrost AdvisoryLOT17 hr
Oct 20, 2:09 PM CDTFrost AdvisoryLOT13 hr
Nov 3, 5:45 AM CDTDense Fog AdvisoryLOT4 hr
Nov 4, 3:38 AM CDTDense Fog AdvisoryLOT7 hr
Nov 18, 10:29 AM CSTWind AdvisoryLOT29 hr
Nov 18, 10:55 AM CSTSpecial Weather StatementLOT20 min
Nov 27, 9:21 AM CSTDense Fog AdvisoryLOT4 hr
Dec 3, 3:07 PM CSTWinter Weather AdvisoryLOT27 hr
Dec 5, 9:10 AM CSTDense Fog AdvisoryLOT4 hr
Dec 6, 5:46 AM CSTDense Fog AdvisoryLOT5 hr
Dec 9, 10:28 AM CSTWinter Storm WatchLOT17 hr
Dec 10, 3:50 AM CSTWinter Weather AdvisoryLOT7 hr
Dec 10, 10:55 AM CSTWinter Storm WarningLOT37 hr
Dec 10, 6:59 PM CSTMesoscale DiscussionSPC6 hr
Dec 14, 3:24 AM CSTWind Chill AdvisoryLOT31 hr
Dec 14, 4:08 PM CSTWinter Weather AdvisoryLOT6 hr
Dec 15, 3:17 PM CSTWinter Weather AdvisoryLOT63 hr
Dec 16, 8:27 PM CSTWind Chill AdvisoryLOT62 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 archive20152017

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.