Alert archive / Illinois / Mercer County

Weather alerts in Mercer County, Illinois, 2009

116 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Mercer County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
116
Warnings
22
Watches
26
Advisories
27
Busiest month
June31 alerts
Busiest day
June 19, 20096 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 3, 3:46 PM CSTDense Fog AdvisoryDVN10 hr
Jan 11, 3:24 PM CSTWinter Storm WatchDVN12 hr
Jan 12, 3:24 AM CSTBlizzard WatchDVN10 hr
Jan 12, 3:24 AM CSTWinter Weather AdvisoryDVN23 hr
Jan 12, 1:06 PM CSTBlizzard WarningDVN11 hr
Jan 12, 6:27 PM CSTMesoscale DiscussionSPC4 hr
Jan 13, 3:15 AM CSTWinter Weather AdvisoryDVN36 hr
Jan 13, 6:12 PM CSTMesoscale DiscussionSPC4 hr
Jan 13, 11:38 PM CSTMesoscale DiscussionSPC4 hr
Jan 14, 3:45 AM CSTWind Chill WarningDVN56 hr
Jan 17, 4:48 PM CSTWinter Weather AdvisoryDVN7 hr
Feb 2, 3:16 PM CSTWind Chill AdvisoryDVN19 hr
Feb 20, 4:17 AM CSTWinter Weather AdvisoryDVN35 hr
Feb 26, 9:26 AM CSTMesoscale DiscussionSPC2 hr
Feb 26, 10:09 AM CSTDense Fog AdvisoryDVN4 hr
Mar 6, 11:21 AM CSTFlash Flood WatchDVN51 hr
Mar 8, 5:38 AM CDTAreal Flood WarningDVN15 hr
Mar 8, 9:32 PM CDTRiver Flood WarningDVN5 days
Mar 9, 4:19 AM CDTFlash Flood WatchDVN32 hr
Mar 9, 11:44 AM CDTRiver Flood WarningDVN4 days
Mar 9, 11:45 PM CDTAreal Flood WarningDVN12 hr
Mar 10, 4:22 AM CDTWind AdvisoryDVN27 hr
Mar 10, 9:25 AM CDTDense Fog AdvisoryDVN4 hr
Mar 27, 11:32 AM CDTWinter Storm WatchDVN16 hr
Mar 28, 3:33 AM CDTWinter Storm WarningDVN24 hr
Mar 29, 3:35 AM CDTWinter Weather AdvisoryDVN5 hr
Apr 23, 11:42 PM CDTDense Fog AdvisoryDVN8 hr
Apr 25, 5:32 PM CDTMesoscale DiscussionSPC73 min
Apr 25, 9:23 PM CDTMesoscale DiscussionSPC67 min
Apr 25, 9:45 PM CDTSpecial Weather StatementDVN90 min
May 8, 5:47 PM CDTMesoscale DiscussionSPC58 min
May 8, 6:10 PM CDTSevere Thunderstorm WatchSPC4 hr
May 8, 7:40 PM CDTSevere Thunderstorm WarningDVN49 min
May 8, 7:57 PM CDTSevere Thunderstorm WarningDVN63 min
May 8, 8:07 PM CDTTornado WarningDVN38 min
May 8, 8:35 PM CDTMesoscale DiscussionSPC85 min
May 13, 2:39 PM CDTTornado WatchSPC7 hr
May 13, 5:47 PM CDTMesoscale DiscussionSPC88 min
May 13, 6:53 PM CDTSpecial Weather StatementDVN52 min
May 13, 7:05 PM CDTMesoscale DiscussionSPC85 min
May 13, 7:51 PM CDTSpecial Weather StatementDVN54 min
May 13, 8:35 PM CDTMesoscale DiscussionSPC85 min
May 14, 3:19 PM CDTFlash Flood WatchDVN31 hr
May 16, 3:53 AM CDTFrost AdvisoryDVN28 hr
Jun 1, 2:37 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 1, 4:30 PM CDTSevere Thunderstorm WarningDVN60 min
Jun 7, 11:09 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 8, 3:25 AM CDTMesoscale DiscussionSPC65 min
Jun 16, 4:19 PM CDTSpecial Weather StatementDVN56 min
Jun 17, 11:53 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 18, 3:20 AM CDTMesoscale DiscussionSPC85 min
Jun 18, 9:42 AM CDTMesoscale DiscussionSPC93 min
Jun 18, 10:11 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 18, 1:17 PM CDTMesoscale DiscussionSPC88 min
Jun 19, 7:14 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 19, 1:54 PM CDTMesoscale DiscussionSPC96 min
Jun 19, 2:24 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 19, 5:03 PM CDTSevere Thunderstorm WarningDVN72 min
Jun 19, 5:12 PM CDTFlash Flood WarningDVN91 min
Jun 19, 5:37 PM CDTMesoscale DiscussionSPC53 min
Jun 22, 12:07 PM CDTHeat AdvisoryDVN7 hr
Jun 22, 3:25 PM CDTHeat AdvisoryDVN29 hr
Jun 23, 5:32 PM CDTMesoscale DiscussionSPC58 min
Jun 23, 5:52 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 24, 3:57 AM CDTHeat AdvisoryDVN11 hr
Jun 25, 10:40 AM CDTHeat AdvisoryDVN9 hr
Jun 25, 12:14 PM CDTMesoscale DiscussionSPC61 min
Jun 25, 12:48 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 25, 2:56 PM CDTMesoscale DiscussionSPC64 min
Jun 25, 5:36 PM CDTMesoscale DiscussionSPC84 min
Jun 27, 1:19 PM CDTMesoscale DiscussionSPC56 min
Jun 27, 2:41 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 27, 4:39 PM CDTSevere Thunderstorm WarningDVN66 min
Jun 27, 5:25 PM CDTSevere Thunderstorm WarningDVN65 min
Jun 27, 6:22 PM CDTMesoscale DiscussionSPC113 min
Jul 24, 3:52 PM CDTMesoscale DiscussionSPC83 min
Jul 24, 5:02 PM CDTTornado WatchSPC6 hr
Jul 24, 7:20 PM CDTMesoscale DiscussionSPC85 min
Jul 24, 9:11 PM CDTSevere Thunderstorm WarningDVN94 min
Jul 24, 9:22 PM CDTMesoscale DiscussionSPC53 min
Jul 24, 9:54 PM CDTSevere Thunderstorm WarningDVN43 min
Aug 7, 2:24 PM CDTSpecial Weather StatementDVN51 min
Aug 8, 2:43 AM CDTHeat AdvisoryDVN40 hr
Aug 9, 9:55 AM CDTMesoscale DiscussionSPC35 min
Aug 9, 5:52 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 9, 8:30 PM CDTMesoscale DiscussionSPC90 min
Aug 9, 8:31 PM CDTSevere Thunderstorm WarningDVN44 min
Aug 9, 8:53 PM CDTSevere Thunderstorm WarningDVN52 min
Aug 9, 8:54 PM CDTFlash Flood WarningDVN3 hr
Aug 17, 1:22 AM CDTMesoscale DiscussionSPC83 min
Aug 19, 11:51 AM CDTMesoscale DiscussionSPC114 min
Aug 19, 12:49 PM CDTTornado WatchSPC6 hr
Aug 19, 4:49 PM CDTTornado WatchSPC5 hr
Aug 19, 7:45 PM CDTMesoscale DiscussionSPC90 min
Aug 26, 9:10 AM CDTFlash Flood WatchDVN42 hr
Sep 9, 9:22 PM CDTDense Fog AdvisoryDVN13 hr
Sep 10, 3:10 PM CDTDense Fog AdvisoryDVN18 hr
Sep 26, 12:59 AM CDTDense Fog AdvisoryDVN6 hr
Sep 26, 7:11 AM CDTDense Fog AdvisoryDVN3 hr
Sep 27, 5:32 PM CDTMesoscale DiscussionSPC88 min
Oct 9, 4:02 AM CDTFrost AdvisoryDVN17 hr
Oct 9, 4:02 AM CDTFreeze WatchDVN18 hr
Oct 9, 4:02 AM CDTFreeze WarningDVN29 hr
Oct 29, 2:46 PM CDTFlash Flood WatchDVN13 hr
Nov 20, 9:28 PM CSTDense Fog AdvisoryDVN13 hr
Dec 6, 3:14 PM CSTWinter Storm WatchDVN25 hr
Dec 7, 3:45 PM CSTWinter Storm WarningDVN50 hr
Dec 8, 11:22 AM CSTMesoscale DiscussionSPC5 hr
Dec 8, 2:31 PM CSTSpecial Weather StatementDVN3 hr
Dec 8, 3:53 PM CSTSpecial Weather StatementDVN2 hr
Dec 9, 10:22 AM CSTMesoscale DiscussionSPC4 hr
Dec 9, 3:41 PM CSTWinter Weather AdvisoryDVN12 hr
Dec 10, 3:16 AM CSTWind Chill AdvisoryDVN9 hr
Dec 12, 2:52 PM CSTFreezing Rain AdvisoryDVN17 hr
Dec 14, 3:32 AM CSTDense Fog AdvisoryDVN8 hr
Dec 22, 3:47 PM CSTFlood WatchDVN62 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 Warning10
Tornado Warning1
Severe Thunderstorm Watch11
Tornado Watch4
Mesoscale Discussion34
Special Weather Statement7
Flooding
Areal Flood Warning2
Flash Flood Warning2
River Flood Warning2
Flash Flood Watch5
Flood Watch1
Winter
Blizzard Warning1
Winter Storm Warning2
Blizzard Watch1
Winter Storm Watch3
Freezing Rain Advisory1
Winter Weather Advisory6
Heat
Heat Advisory5
Cold
Freeze Warning1
Wind Chill Warning1
Freeze Watch1
Frost Advisory2
Wind Chill Advisory2
Wind and dust
Wind Advisory1
Fog and smoke
Dense Fog Advisory10

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 19, 20096alerts
  2. June 18, 20095alerts
  3. June 25, 20095alerts
  4. June 27, 20095alerts
  5. May 9, 20094alerts
  6. May 14, 20094alerts
  7. July 25, 20094alerts
  8. August 10, 20094alerts
  9. January 12, 20093alerts
  10. January 14, 20093alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

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.