Alert archive / Illinois / Grundy County

Weather alerts in Grundy County, Illinois, 2004

120 weather alerts in 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Grundy County and its neighbors

Each county as a circle sized by its count in 2004. Tap one for its archive.

Alerts
120
Warnings
25
Watches
30
Advisories
0
Busiest month
May43 alerts
Busiest day
May 22, 20049 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 4, 9:27 AM CSTMesoscale DiscussionSPC4 hr
Mar 1, 11:30 AM CSTSevere Thunderstorm WatchSPC6 hr
Mar 1, 1:30 PM CSTMesoscale DiscussionSPC60 min
Mar 28, 2:43 PM CSTMesoscale DiscussionSPC2 hr
Apr 20, 5:40 PM CDTTornado WatchSPC5 hr
Apr 20, 6:00 PM CDTMesoscale DiscussionSPC2 hr
Apr 20, 6:26 PM CDTTornado WarningLOT34 min
Apr 20, 7:01 PM CDTTornado WarningLOT29 min
Apr 20, 7:34 PM CDTTornado WarningLOT41 min
Apr 20, 8:55 PM CDTMesoscale DiscussionSPC65 min
May 7, 4:24 AM CDTMesoscale DiscussionSPC96 min
May 7, 5:00 AM CDTSevere Thunderstorm WatchSPC4 hr
May 7, 6:12 AM CDTSevere Thunderstorm WarningLOT48 min
May 7, 6:38 AM CDTMesoscale DiscussionSPC97 min
May 7, 11:44 AM CDTMesoscale DiscussionSPC2 hr
May 9, 4:46 PM CDTMesoscale DiscussionSPC59 min
May 9, 6:36 PM CDTSevere Thunderstorm WarningLOT39 min
May 9, 6:50 PM CDTSevere Thunderstorm WatchSPC4 hr
May 10, 11:05 AM CDTMesoscale DiscussionSPC115 min
May 10, 6:05 PM CDTMesoscale DiscussionSPC115 min
May 13, 5:44 PM CDTSevere Thunderstorm WarningLOT31 min
May 17, 11:37 PM CDTMesoscale DiscussionSPC23 min
May 18, 12:41 AM CDTMesoscale DiscussionSPC2 hr
May 18, 10:26 AM CDTMesoscale DiscussionSPC3 hr
May 20, 3:35 PM CDTSevere Thunderstorm WatchSPC6 hr
May 20, 7:32 PM CDTMesoscale DiscussionSPC88 min
May 20, 9:05 PM CDTSevere Thunderstorm WatchSPC5 hr
May 20, 10:42 PM CDTSevere Thunderstorm WarningLOT48 min
May 21, 5:35 PM CDTTornado WatchSPC5 hr
May 21, 7:37 PM CDTMesoscale DiscussionSPC83 min
May 22, 12:05 AM CDTSevere Thunderstorm WatchSPC6 hr
May 22, 2:41 AM CDTMesoscale DiscussionSPC94 min
May 22, 11:03 AM CDTMesoscale DiscussionSPC57 min
May 22, 11:35 AM CDTSevere Thunderstorm WatchSPC6 hr
May 22, 12:36 PM CDTSevere Thunderstorm WarningLOT39 min
May 22, 5:52 PM CDTMesoscale DiscussionSPC113 min
May 22, 6:15 PM CDTTornado WatchSPC6 hr
May 22, 6:23 PM CDTSevere Thunderstorm WarningLOT37 min
May 22, 8:58 PM CDTMesoscale DiscussionSPC92 min
May 23, 12:24 AM CDTMesoscale DiscussionSPC66 min
May 23, 12:40 AM CDTSevere Thunderstorm WatchSPC5 hr
May 23, 4:30 AM CDTMesoscale DiscussionSPC60 min
May 23, 2:05 PM CDTTornado WatchSPC8 hr
May 23, 5:10 PM CDTMesoscale DiscussionSPC95 min
May 23, 7:33 PM CDTTornado WarningLOT42 min
May 23, 8:15 PM CDTSevere Thunderstorm WarningLOT30 min
May 30, 10:00 AM CDTSevere Thunderstorm WarningLOT60 min
May 30, 11:02 AM CDTSevere Thunderstorm WarningLOT58 min
May 30, 3:16 PM CDTMesoscale DiscussionSPC119 min
May 30, 4:25 PM CDTTornado WatchSPC6 hr
May 30, 5:36 PM CDTMesoscale DiscussionSPC54 min
May 30, 6:24 PM CDTTornado WarningLOT66 min
May 30, 7:16 PM CDTFlash Flood WarningLOT119 min
Jun 10, 5:30 PM CDTMesoscale DiscussionSPC90 min
Jun 10, 5:55 PM CDTTornado WatchSPC4 hr
Jun 10, 7:58 PM CDTMesoscale DiscussionSPC92 min
Jun 11, 5:56 PM CDTMesoscale DiscussionSPC94 min
Jun 11, 6:20 PM CDTTornado WatchSPC5 hr
Jun 11, 10:04 PM CDTMesoscale DiscussionSPC56 min
Jun 11, 10:37 PM CDTSevere Thunderstorm WarningLOT23 min
Jun 11, 11:00 PM CDTTornado WatchSPC5 hr
Jun 11, 11:09 PM CDTSevere Thunderstorm WarningLOT41 min
Jun 11, 11:25 PM CDTFlash Flood WarningLOT4 hr
Jun 12, 1:48 AM CDTMesoscale DiscussionSPC87 min
Jun 12, 3:08 AM CDTMesoscale DiscussionSPC97 min
Jun 14, 5:25 AM CDTMesoscale DiscussionSPC3 hr
Jun 14, 6:50 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 14, 7:42 AM CDTMesoscale DiscussionSPC2 hr
Jun 14, 10:03 AM CDTMesoscale DiscussionSPC57 min
Jun 23, 11:23 AM CDTMesoscale DiscussionSPC2 hr
Jul 3, 11:38 AM CDTMesoscale DiscussionSPC2 hr
Jul 3, 12:45 PM CDTTornado WatchSPC6 hr
Jul 3, 2:44 PM CDTMesoscale DiscussionSPC2 hr
Jul 6, 2:53 PM CDTMesoscale DiscussionSPC37 min
Jul 6, 3:25 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 9, 2:15 PM CDTMesoscale DiscussionSPC2 hr
Jul 11, 10:14 AM CDTMesoscale DiscussionSPC91 min
Jul 11, 11:40 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 13, 10:32 AM CDTMesoscale DiscussionSPC118 min
Jul 13, 10:55 AM CDTTornado WatchSPC6 hr
Jul 13, 1:39 PM CDTMesoscale DiscussionSPC66 min
Jul 16, 10:51 AM CDTMesoscale DiscussionSPC2 hr
Jul 16, 12:10 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 16, 2:45 PM CDTMesoscale DiscussionSPC90 min
Jul 20, 6:00 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 21, 9:03 AM CDTMesoscale DiscussionSPC117 min
Jul 21, 9:35 AM CDTSevere Thunderstorm WatchSPC5 hr
Jul 21, 10:18 AM CDTMesoscale DiscussionSPC87 min
Jul 21, 1:01 PM CDTMesoscale DiscussionSPC89 min
Jul 21, 2:35 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 21, 5:09 PM CDTMesoscale DiscussionSPC36 min
Jul 22, 11:59 AM CDTMesoscale DiscussionSPC2 hr
Jul 22, 12:20 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 22, 1:23 PM CDTSevere Thunderstorm WarningLOT37 min
Aug 2, 11:11 AM CDTMesoscale DiscussionSPC2 hr
Aug 3, 7:38 PM CDTMesoscale DiscussionSPC67 min
Aug 3, 7:55 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 3, 9:52 PM CDTMesoscale DiscussionSPC53 min
Aug 3, 9:53 PM CDTSevere Thunderstorm WarningLOT52 min
Aug 17, 12:57 PM CDTMesoscale DiscussionSPC63 min
Aug 17, 1:20 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 17, 3:59 PM CDTMesoscale DiscussionSPC61 min
Aug 17, 6:09 PM CDTSevere Thunderstorm WarningLOT66 min
Aug 17, 7:48 PM CDTMesoscale DiscussionSPC117 min
Aug 24, 12:35 PM CDTSevere Thunderstorm WarningLOT40 min
Aug 24, 1:13 PM CDTMesoscale DiscussionSPC2 hr
Aug 25, 1:22 PM CDTMesoscale DiscussionSPC113 min
Aug 26, 11:53 PM CDTMesoscale DiscussionSPC97 min
Aug 27, 1:25 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 27, 4:36 AM CDTMesoscale DiscussionSPC84 min
Aug 28, 1:40 AM CDTSevere Thunderstorm WarningLOT50 min
Aug 28, 2:31 AM CDTSevere Thunderstorm WarningLOT44 min
Aug 28, 2:38 AM CDTFlash Flood WarningLOT3 hr
Oct 29, 6:16 PM CDTMesoscale DiscussionSPC119 min
Oct 29, 10:45 PM CDTMesoscale DiscussionSPC60 min
Oct 29, 10:55 PM CDTSevere Thunderstorm WatchSPC4 hr
Oct 30, 1:02 AM CDTMesoscale DiscussionSPC88 min
Nov 24, 6:50 AM CSTMesoscale DiscussionSPC5 hr
Nov 24, 12:31 PM CSTMesoscale DiscussionSPC5 hr
Nov 30, 5:50 PM CSTMesoscale DiscussionSPC6 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 Warning17
Tornado Warning5
Severe Thunderstorm Watch20
Tornado Watch10
Mesoscale Discussion65
Flooding
Flash Flood Warning3

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 22, 20049alerts
  2. June 12, 20047alerts
  3. May 23, 20046alerts
  4. May 30, 20046alerts
  5. July 21, 20046alerts
  6. May 7, 20045alerts
  7. May 21, 20044alerts
  8. June 14, 20044alerts
  9. August 4, 20044alerts
  10. August 17, 20044alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20032005

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.