urn:oid:2.49.0.1.840.0.b6d2a50abd88ebe1c92db1404bf7fef5a4fb4be9.001.1.IPAWSw-nws.webmaster@noaa.gov2025-08-18T20:26:00-05:00ActualAlertPublicIPAWSv1.0en-USMetFlash Flood WarningAvoidImmediateSevereLikelySAMEFFWNationalWeatherServiceFFW2025-08-18T20:26:00-05:002025-08-18T20:26:00-05:002025-08-18T23:30:00-05:00NWS Chicago ILFlash Flood Warning issued August 18 at 8:26PM CDT until August 18 at 11:30PM CDT by NWS Chicago ILFFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Southeastern Cook County in northeastern Illinois... Northwestern Lake IN County in northwestern Indiana... * Until 1130 PM CDT. * At 826 PM CDT, Doppler radar and automated rain gauges indicated slow-moving thunderstorms producing heavy rain across the warned area. Up to 4 inches have been reported thus far near Whiting. Additional thunderstorms with rainfall rates of 3 to 4 inches per hour will move into the area over the next hour, with additional rainfall amounts up to 2 inches are possible in the warned area. Worsening of flood severity is imminent. HAZARD...Significant flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset, significant flooding of creeks, streams, drainage ditches, low-lying areas, and poor drainage areas. Widespread street and underpass flooding. Possible flooding of structures. Possible flooding of highways. * Some locations that will experience flash flooding include... Chicago, Hammond, Gary, Calumet City, East Chicago, Lansing, Munster, Dolton, South Holland, South Deering, Whiting, East Side, Hegewisch, Riverdale and Burnham. A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.http://www.weather.govAWIPSidentifierFFWLOTWMOidentifierWGUS53 KLOT 190126flashFloodDetectionRADAR AND GAUGE INDICATEDflashFloodDamageThreatCONSIDERABLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KLOT.FF.W.0031.250819T0126Z-250819T0430Z/eventEndingTime2025-08-18T23:30:00-05:00WEAHandlingImminent ThreatCMAMtextNWS: FLASH FLOOD WARNING this area til 11:30 PM CDT. Avoid flooded areas.CMAMlongtextNational Weather Service: A FLASH FLOOD WARNING is in effect for this area until 11:30 PM CDT. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.Cook, IL; Lake, IN41.7,-87.59 41.71,-87.51 41.71,-87.49 41.7,-87.49 41.69,-87.46 41.69,-87.45 41.67,-87.39 41.66,-87.4 41.65,-87.37 41.64,-87.34 41.57,-87.49 41.56,-87.59 41.7,-87.59SAME017031SAME018089UGCILC031UGCINC089es-USMetFlash Flood WarningAvoidImmediateSevereLikelySAMEFFWNationalWeatherServiceFFW2025-08-18T20:26:00-05:002025-08-18T20:26:00-05:002025-08-18T23:30:00-05:00NWS Chicago ILFlash Flood Warning issued August 18 at 8:26PM CDT until August 18 at 11:30PM CDT by NWS Chicago ILFFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Southeastern Cook County in northeastern Illinois... Northwestern Lake IN County in northwestern Indiana... * Until 1130 PM CDT. * At 826 PM CDT, Doppler radar and automated rain gauges indicated slow-moving thunderstorms producing heavy rain across the warned area. Up to 4 inches have been reported thus far near Whiting. Additional thunderstorms with rainfall rates of 3 to 4 inches per hour will move into the area over the next hour, with additional rainfall amounts up to 2 inches are possible in the warned area. Worsening of flood severity is imminent. HAZARD...Significant flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset, significant flooding of creeks, streams, drainage ditches, low-lying areas, and poor drainage areas. Widespread street and underpass flooding. Possible flooding of structures. Possible flooding of highways. * Some locations that will experience flash flooding include... Chicago, Hammond, Gary, Calumet City, East Chicago, Lansing, Munster, Dolton, South Holland, South Deering, Whiting, East Side, Hegewisch, Riverdale and Burnham. A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.http://www.weather.govAWIPSidentifierFFWLOTWMOidentifierWGUS53 KLOT 190126flashFloodDetectionRADAR AND GAUGE INDICATEDflashFloodDamageThreatCONSIDERABLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KLOT.FF.W.0031.250819T0126Z-250819T0430Z/eventEndingTime2025-08-18T23:30:00-05:00WEAHandlingImminent ThreatCMAMtextSNM: AVISO DE INUNDACIONES REPENTINAS hasta 11:30 PM CDT. Evite areas inundadas.CMAMlongtextServicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 11:30 PM CDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.Cook, IL; Lake, IN41.7,-87.59 41.71,-87.51 41.71,-87.49 41.7,-87.49 41.69,-87.46 41.69,-87.45 41.67,-87.39 41.66,-87.4 41.65,-87.37 41.64,-87.34 41.57,-87.49 41.56,-87.59 41.7,-87.59SAME017031SAME018089UGCILC031UGCINC089ejvMUEZwtitL/xp4FOSZEAtwUDFTDGfT204CsDJwTg4=maV2ISFy0t9qd2OruEg7ter2RMzfPLk/nQSzhhmlMKkaXzQeiNrPsdvryJmBxdsLI4/Lbf6GfTdf KHELYOKvPK5VY2PRY7P++LbyHNFbQoWY2UWyrNhV/oxjpyLwK3N7OBgzP/fMtwRel7DcKUA+g2mM wyJK6NA4syBX7rM/Dns7gtwTJa/IS1SsrKJDCsqzxfxDPbOBkrZa0PKZ8OIe6iSAQmi2yp6nOw+2 LVxRw0OgdvpCZbcAfTnhuj6KCgxJeun7j9BGzPl6lXOSSYGHDBN14bhad1/pGHaPMRAWO/1mceYf 8kvVLM50kG8SG8q1fesAdzNHhFjI4vHnSzsKAw==CN=IPAWSOPEN200032,OU=A01410C0000018539A5624B000AC0FD,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=USMIIGMDCCBRigAwIBAgIQQAGFOaViYZG0rHv9rMr0cTANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAxMB4XDTIyMTIyMjExNDMzOFoXDTI1MTIyMTExNDIz OFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B MDE0MTBDMDAwMDAxODUzOUE1NjI0QjAwMEFDMEZEMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+0Z9bPXM1EZnsw0GsQ+3/COeZmlzV/C6Q W3YkTMcIidrYxkEi+us3riEuSiYSf234GMsxnWVY84ESfuH+GwTy7K59FfFxAVQ0iWZ/yz8X7W+v RKjTmygNTgrFOTGs4oj7W4cIXTDjrMjEaDvRk6toqa8cvMR3uZo1hzeZnSYPdnP+ufyXqRPmpmLe cizt3u4U0jKYwepxhJGp6mw4iXVnQ12kYgIMpP9Z8gIgcmO019+D05gdj6fIYWrhdDyZkw3FMHpz wf4tu/Btn6bxDfUjiFLGrDaU5MRqYQr9SJYThOHnqH6eQi/g49ImbAoC0ce47VZhzbdnHgAgEwai HdJRAgMBAAGjggKhMIICnTAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTEucDdjMB8GA1UdIwQYMBaA FJNyQZr/34qKK85jvM2qbXqZjqLnMIIBNAYDVR0gBIIBKzCCAScwggEjBgtghkgBhvkvAGQlAjCC ARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5jb20vY2VydGlmaWNhdGVz L3BvbGljeS9pZ2MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJDZXJ0aWZpY2F0ZSB1c2Ug cmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFuY2Ugd2l0aCBJR0MtQ1Ag KHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmljYXRlcy9wb2xpY3kvaWdj L2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZlcmVuY2UuMEUGA1UdHwQ+ MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20vY3JsL2lnY2RldmljZWNh MS5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQWBBSddXzFwBiiZdAIITyR 6l6lQX/2OjAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsGAQUFBwMGBggrBgEFBQcD BzANBgkqhkiG9w0BAQsFAAOCAQEAVMvpSc0ZW3reZfJiBzCgWuyJ3ggYhX/EVTRxWPe2zYtxR3NW d8LyFzfjNxcH95Fl1BmTpUNEfTDSJS3XkYqlBdYZztqk/FlYtOrYna8ClYxPamgbgkxm4RklVWPt zbZU59wHFSMCZXG8UdIv7ogsYxQB0gxIc0RMX3aDWrJHGdi4sXMrsRhAgMVXJmXnR/CSo0i555l6 M8r9fLsNWGV0ZTkJHig506oZXaBqtexgmPtRPn2VmczTUESKCQx04X0TzHrt5lGslpc2TrGUHClt iQu4YWJrGlDKJcSKponKaC4PEwZlv4X5dlr9mBHkwLJavrwOwXnftkQSw9oHFoOV/Q==