Alert archive / Illinois / Cook County / 2020

Weather alerts in Cook County, Illinois, May 2020

43 weather alerts in May 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
43
Warnings
17
Watches
5
Advisories
19
Busiest day
May 15, 202010 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
May 7, 3:33 AM CDTFreeze WatchLOT24 hr
May 7, 3:26 PM CDTLakeshore Flood AdvisoryLOT28 hr
May 8, 3:56 AM CDTFreeze WarningLOT27 hr
May 8, 4:00 AM CDTLakeshore Flood WarningLOT18 hr
May 11, 2:45 PM CDTFrost AdvisoryLOT17 hr
May 14, 10:12 AM CDTRiver Flood AdvisoryLOT51 hr
May 14, 12:06 PM CDTFlash Flood WatchLOT17 hr
May 14, 3:11 PM CDTRiver Flood AdvisoryLOT52 hr
May 14, 6:15 PM CDTSevere Thunderstorm WatchSPC8 hr
May 14, 10:47 PM CDTAreal Flood AdvisoryLOT4 hr
May 14, 11:09 PM CDTFlash Flood WarningLOT5 hr
May 15, 12:11 AM CDTFlash Flood WarningLOT4 hr
May 15, 12:57 AM CDTSpecial Weather StatementLOT48 min
May 15, 4:05 AM CDTAreal Flood WarningLOT6 hr
May 15, 4:43 AM CDTRiver Flood WarningLOT11 days
May 15, 4:43 AM CDTRiver Flood WarningLOT64 hr
May 15, 4:48 AM CDTRiver Flood AdvisoryLOT49 hr
May 15, 10:41 AM CDTAreal Flood AdvisoryLOT6 hr
May 15, 11:07 AM CDTRiver Flood AdvisoryLOT20 hr
May 16, 2:47 PM CDTFlash Flood WatchLOT32 hr
May 16, 3:06 PM CDTLakeshore Flood AdvisoryLOT4 days
May 16, 7:48 PM CDTRiver Flood AdvisoryLOT68 hr
May 16, 8:20 PM CDTRiver Flood WarningLOT6 days
May 17, 5:43 AM CDTRiver Flood WarningLOT4 days
May 17, 2:14 PM CDTAreal Flood AdvisoryLOT3 hr
May 17, 3:29 PM CDTAreal Flood AdvisoryLOT94 min
May 17, 4:32 PM CDTFlash Flood WarningLOT6 hr
May 17, 6:48 PM CDTFlash Flood Warning Considerable damage threatLOT3 hr
May 17, 9:25 PM CDTRiver Flood WarningLOT31 hr
May 17, 9:50 PM CDTRiver Flood AdvisoryLOT15 hr
May 17, 10:10 PM CDTAreal Flood WarningLOT30 hr
May 18, 10:39 PM CDTRiver Flood AdvisoryLOT6 hr
May 23, 11:58 AM CDTRiver Flood AdvisoryLOT70 hr
May 23, 12:33 PM CDTTornado WatchSPC8 hr
May 23, 2:51 PM CDTMesoscale DiscussionSPC84 min
May 23, 3:02 PM CDTTornado WarningLOT43 min
May 23, 3:55 PM CDTSevere Thunderstorm WarningLOT50 min
May 23, 4:37 PM CDTAreal Flood AdvisoryLOT3 hr
May 23, 4:53 PM CDTFlash Flood WarningLOT6 hr
May 23, 6:57 PM CDTSevere Thunderstorm WarningLOT79 min
May 23, 7:37 PM CDTAreal Flood AdvisoryLOT3 hr
May 23, 11:57 PM CDTRiver Flood AdvisoryLOT7 hr
May 24, 12:38 AM CDTRiver Flood AdvisoryLOT16 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 Warning2
Tornado Warning1
Severe Thunderstorm Watch1
Tornado Watch1
Mesoscale Discussion1
Special Weather Statement1
Flooding
Areal Flood Warning2
Flash Flood Warning5
River Flood Warning5
Flash Flood Watch2
Areal Flood Advisory6
River Flood Advisory10
Cold
Freeze Warning1
Freeze Watch1
Frost Advisory1
Coast and beach
Lakeshore Flood Warning1
Lakeshore Flood Advisory2

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20192021

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.