Alert archive / Illinois / Mason County

Weather alerts in Mason County, Illinois, 2021

116 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Mason County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
116
Warnings
37
Watches
16
Advisories
30
Busiest month
June30 alerts
Busiest day
June 26, 202110 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 1, 1:08 AM CSTMesoscale DiscussionSPC5 hr
Jan 1, 6:35 AM CSTMesoscale DiscussionSPC4 hr
Jan 1, 6:01 PM CSTWinter Weather AdvisoryILX6 hr
Jan 2, 3:49 PM CSTDense Fog AdvisoryILX18 hr
Jan 3, 2:38 PM CSTDense Fog AdvisoryILX32 hr
Jan 5, 3:27 PM CSTDense Fog AdvisoryILX17 hr
Jan 24, 3:58 AM CSTWinter Storm WatchILX11 hr
Jan 24, 3:06 PM CSTWinter Weather AdvisoryILX21 hr
Jan 25, 11:47 AM CSTWinter Weather AdvisoryILX24 hr
Feb 5, 2:01 PM CSTWind Chill AdvisoryILX45 hr
Feb 5, 2:01 PM CSTWinter Weather AdvisoryILX33 hr
Feb 12, 3:03 PM CSTWind Chill AdvisoryILX21 hr
Feb 13, 3:15 AM CSTWind Chill AdvisoryILX57 hr
Feb 13, 3:10 PM CSTWinter Weather AdvisoryILX60 hr
Feb 13, 8:35 PM CSTWind Chill WarningILX39 hr
Feb 15, 2:52 PM CSTMesoscale DiscussionSPC6 hr
Mar 10, 3:08 AM CSTWind AdvisoryILX21 hr
Mar 16, 12:22 AM CDTDense Fog AdvisoryILX10 hr
Mar 17, 3:16 PM CDTWind AdvisoryILX28 hr
Mar 18, 2:43 PM CDTRiver Flood WarningILX14 days
Apr 14, 2:36 PM CDTFrost AdvisoryILX17 hr
Apr 19, 2:27 AM CDTFreeze WatchILX12 hr
Apr 19, 2:27 PM CDTFreeze WarningILX43 hr
Apr 21, 2:58 AM CDTFreeze WarningILX29 hr
May 3, 2:08 PM CDTMesoscale DiscussionSPC67 min
May 3, 2:47 PM CDTSevere Thunderstorm WatchSPC6 hr
May 3, 5:00 PM CDTSpecial Weather StatementILX30 min
May 3, 5:15 PM CDTMesoscale DiscussionSPC90 min
May 3, 5:17 PM CDTSevere Thunderstorm WarningILX43 min
May 9, 2:48 PM CDTFrost AdvisoryILX16 hr
May 11, 2:34 PM CDTFrost AdvisoryILX16 hr
May 12, 9:22 AM CDTRiver Flood WarningILX18 days
Jun 12, 1:26 PM CDTMesoscale DiscussionSPC3 hr
Jun 18, 8:53 PM CDTMesoscale DiscussionSPC97 min
Jun 18, 9:20 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 19, 12:13 AM CDTSevere Thunderstorm WarningILX47 min
Jun 19, 12:52 AM CDTSevere Thunderstorm WarningILX38 min
Jun 19, 2:10 AM CDTMesoscale DiscussionSPC2 hr
Jun 20, 10:57 AM CDTMesoscale DiscussionSPC2 hr
Jun 20, 8:10 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 20, 9:54 PM CDTMesoscale DiscussionSPC66 min
Jun 24, 2:28 PM CDTFlash Flood WatchILX54 hr
Jun 24, 11:23 PM CDTMesoscale DiscussionSPC2 hr
Jun 24, 11:47 PM CDTTornado WatchSPC4 hr
Jun 25, 1:21 AM CDTSevere Thunderstorm WarningILX42 min
Jun 25, 4:46 PM CDTMesoscale DiscussionSPC59 min
Jun 25, 5:06 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 25, 7:21 PM CDTSevere Thunderstorm WarningILX39 min
Jun 25, 8:34 PM CDTMesoscale DiscussionSPC86 min
Jun 25, 8:54 PM CDTFlash Flood WarningILX6 hr
Jun 25, 9:05 PM CDTSevere Thunderstorm WarningILX25 min
Jun 25, 10:31 PM CDTMesoscale DiscussionSPC59 min
Jun 26, 2:34 AM CDTAreal Flood WarningILX61 hr
Jun 26, 9:44 AM CDTRiver Flood WarningILX4 days
Jun 26, 11:45 AM CDTMesoscale DiscussionSPC2 hr
Jun 26, 12:05 PM CDTTornado WatchSPC9 hr
Jun 26, 3:25 PM CDTFlash Flood WarningILX4 hr
Jun 26, 9:54 PM CDTRiver Flood WarningILX9 days
Jun 26, 9:54 PM CDTRiver Flood WarningILX30 days
Jun 26, 9:54 PM CDTRiver Flood WarningILX5 days
Jun 28, 3:13 AM CDTFlash Flood WatchILX40 hr
Jun 28, 12:08 PM CDTMesoscale DiscussionSPC2 hr
Jul 9, 2:49 AM CDTFlash Flood WatchILX43 hr
Jul 10, 2:08 PM CDTTornado WarningILX52 min
Jul 10, 2:45 PM CDTTornado WarningILX60 min
Jul 10, 2:53 PM CDTTornado WarningILX52 min
Jul 10, 3:09 PM CDTMesoscale DiscussionSPC96 min
Jul 10, 3:38 PM CDTTornado WarningILX37 min
Jul 11, 5:07 PM CDTFlash Flood WarningILX6 hr
Jul 15, 1:39 PM CDTMesoscale DiscussionSPC2 hr
Jul 15, 3:39 PM CDTSevere Thunderstorm WarningILX66 min
Jul 16, 11:37 AM CDTAreal Flood AdvisoryILX3 hr
Jul 16, 8:43 PM CDTRiver Flood WarningILX60 hr
Jul 27, 2:06 AM CDTHeat AdvisoryILX66 hr
Jul 29, 2:19 PM CDTMesoscale DiscussionSPC116 min
Aug 1, 1:03 AM CDTDense Fog AdvisoryILX7 hr
Aug 8, 11:40 AM CDTMesoscale DiscussionSPC3 hr
Aug 8, 3:00 PM CDTMesoscale DiscussionSPC2 hr
Aug 8, 5:05 PM CDTSevere Thunderstorm WarningILX25 min
Aug 9, 1:54 PM CDTHeat AdvisoryILX29 hr
Aug 10, 3:49 PM CDTHeat AdvisoryILX27 hr
Aug 11, 6:26 AM CDTMesoscale DiscussionSPC2 hr
Aug 12, 2:45 AM CDTHeat AdvisoryILX15 hr
Aug 12, 3:16 AM CDTMesoscale DiscussionSPC119 min
Aug 12, 2:22 PM CDTMesoscale DiscussionSPC83 min
Aug 23, 2:53 PM CDTHeat AdvisoryILX5 days
Aug 24, 8:43 PM CDTSevere Thunderstorm WarningILX47 min
Aug 25, 4:02 PM CDTMesoscale DiscussionSPC88 min
Sep 7, 1:12 PM CDTSevere Thunderstorm WatchSPC8 hr
Sep 20, 10:39 PM CDTSpecial Weather StatementILX51 min
Sep 20, 11:30 PM CDTSpecial Weather StatementILX45 min
Oct 7, 8:41 PM CDTDense Fog AdvisoryILX13 hr
Oct 11, 9:06 AM CDTMesoscale DiscussionSPC2 hr
Oct 11, 3:10 PM CDTTornado WatchSPC6 hr
Oct 11, 3:37 PM CDTMesoscale DiscussionSPC83 min
Oct 11, 3:50 PM CDTTornado Warning Tornado observedILX25 min
Oct 11, 4:21 PM CDTTornado WarningILX24 min
Oct 23, 12:50 PM CDTFlash Flood WatchILX56 hr
Oct 24, 5:11 PM CDTMesoscale DiscussionSPC3 hr
Oct 24, 5:39 PM CDTSevere Thunderstorm WarningILX51 min
Oct 24, 5:44 PM CDTTornado WatchSPC7 hr
Oct 24, 6:28 PM CDTSevere Thunderstorm Warning Considerable damage threatILX62 min
Oct 24, 10:33 PM CDTMesoscale DiscussionSPC2 hr
Oct 25, 11:52 AM CDTRiver Flood WarningILX21 days
Nov 1, 2:41 PM CDTFreeze WarningILX18 hr
Dec 10, 12:19 AM CSTDense Fog AdvisoryILX11 hr
Dec 10, 2:57 AM CSTWind AdvisoryILX36 hr
Dec 10, 5:17 PM CSTTornado WatchSPC6 hr
Dec 10, 7:54 PM CSTTornado Warning Tornado observedILX40 min
Dec 10, 8:05 PM CSTTornado WarningILX40 min
Dec 10, 8:28 PM CSTTornado WarningILX32 min
Dec 14, 2:47 PM CSTWind AdvisoryILX37 hr
Dec 15, 8:27 PM CSTHigh Wind WarningILX7 hr
Dec 15, 9:48 PM CSTMesoscale DiscussionSPC87 min
Dec 26, 1:13 AM CSTDense Fog AdvisoryILX11 hr
Dec 30, 9:28 PM CSTDense Fog AdvisoryILX13 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning11
Tornado Warning9
Severe Thunderstorm Watch5
Tornado Watch5
Mesoscale Discussion30
Special Weather Statement3
Flooding
Areal Flood Warning1
Flash Flood Warning3
River Flood Warning8
Flash Flood Watch4
Areal Flood Advisory1
Winter
Winter Storm Watch1
Winter Weather Advisory5
Heat
Heat Advisory5
Cold
Freeze Warning3
Wind Chill Warning1
Freeze Watch1
Frost Advisory3
Wind Chill Advisory3
Wind and dust
High Wind Warning1
Wind Advisory4
Fog and smoke
Dense Fog Advisory9

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 26, 202110alerts
  2. May 3, 20215alerts
  3. June 19, 20215alerts
  4. June 25, 20215alerts
  5. July 10, 20215alerts
  6. October 11, 20215alerts
  7. October 24, 20214alerts
  8. June 27, 20213alerts
  9. August 8, 20213alerts
  10. August 12, 20213alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

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.