urn:oid:2.49.0.1.840.0.2a3ede37f4a5eae9170638d65342204569ce2c65.001.1.IPAWSw-nws.webmaster@noaa.gov2025-07-31T16:12:00-04:00ActualAlertPublicIPAWSv1.0en-USMetFlash Flood WarningAvoidImmediateSevereLikelySAMEFFWNationalWeatherServiceFFW2025-07-31T16:12:00-04:002025-07-31T16:12:00-04:002025-07-31T18:45:00-04:00NWS Baltimore MD/Washington DCFlash Flood Warning issued July 31 at 4:12PM EDT until July 31 at 6:45PM EDT by NWS Baltimore MD/Washington DCAt 412 PM EDT, emergency management reported thunderstorms producing heavy rain across the warned area. Several roads are closed in Potomac due to flooding. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts up to 1.5 inches are possible in the warned area. Flash flooding is ongoing. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Rockville... Bethesda... Reston... Lowes Island... Potomac... North Bethesda... Great Falls... Darnestown... Cabin John... Bradley Farms... Congressional Manor... This includes the following Flood Prone Roads... River Rd at Cabin John Creek west of the Beltway. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.http://www.weather.govAWIPSidentifierFFSLWXWMOidentifierWGUS71 KLWX 312012NWSheadlineFLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT THIS EVENING FOR SOUTH CENTRAL MONTGOMERY AND FAIRFAX COUNTIESflashFloodDetectionOBSERVEDflashFloodDamageThreatCONSIDERABLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.CON.KLWX.FF.W.0131.000000T0000Z-250731T2245Z/eventEndingTime2025-07-31T18:45:00-04:00WEAHandlingImminent ThreatCMAMtextNWS: FLASH FLOOD WARNING this area til 6:45 PM EDT. Avoid flooded areas.CMAMlongtextNational Weather Service: A FLASH FLOOD WARNING is in effect for this area until 6:45 PM EDT. 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.Montgomery, MD; Fairfax, VA39.01,-77.37 39.05,-77.34 39.05,-77.33 39.07,-77.29 39.08,-77.17 39.06,-77.12 39.02,-77.11 38.98,-77.14 38.98,-77.2 38.99,-77.34 39.01,-77.37SAME024031SAME051059UGCMDC031UGCVAC059es-USMetFlash Flood WarningAvoidImmediateSevereLikelySAMEFFWNationalWeatherServiceFFW2025-07-31T16:12:00-04:002025-07-31T16:12:00-04:002025-07-31T18:45:00-04:00NWS Baltimore MD/Washington DCFlash Flood Warning issued July 31 at 4:12PM EDT until July 31 at 6:45PM EDT by NWS Baltimore MD/Washington DCAt 412 PM EDT, emergency management reported thunderstorms producing heavy rain across the warned area. Several roads are closed in Potomac due to flooding. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts up to 1.5 inches are possible in the warned area. Flash flooding is ongoing. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Rockville... Bethesda... Reston... Lowes Island... Potomac... North Bethesda... Great Falls... Darnestown... Cabin John... Bradley Farms... Congressional Manor... This includes the following Flood Prone Roads... River Rd at Cabin John Creek west of the Beltway. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.http://www.weather.govAWIPSidentifierFFSLWXWMOidentifierWGUS71 KLWX 312012NWSheadlineFLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT THIS EVENING FOR SOUTH CENTRAL MONTGOMERY AND FAIRFAX COUNTIESflashFloodDetectionOBSERVEDflashFloodDamageThreatCONSIDERABLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.CON.KLWX.FF.W.0131.000000T0000Z-250731T2245Z/eventEndingTime2025-07-31T18:45:00-04:00WEAHandlingImminent ThreatCMAMtextSNM: AVISO DE INUNDACIONES REPENTINAS hasta 6:45 PM EDT. Evite areas inundadas.CMAMlongtextServicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 6:45 PM EDT. 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.Montgomery, MD; Fairfax, VA39.01,-77.37 39.05,-77.34 39.05,-77.33 39.07,-77.29 39.08,-77.17 39.06,-77.12 39.02,-77.11 38.98,-77.14 38.98,-77.2 38.99,-77.34 39.01,-77.37SAME024031SAME051059UGCMDC031UGCVAC059nwB1HDqi1fPLh5BCPjGlPICP2RurkEeybS8pVo2812Q=d5NN4iQShUlUcxt/YK2Che5wf8hPcLtzhl3ZxHKGv/FL9kbhiF5y0EDi8j0CZcOyvKFO0ngCKAZQ OTmTLYfUppwpe4UH2tlMm17WRK05BDIInuyH71/dhztjkj8HGycxNGAIbBx+b6j+MZoFSyoVWK4S 6+lr8WIuuz42ohAj8hTb8pmgDI31DlD+aTjuHX1/agdzUpxMQ+uqVzAU1wEst49bWU+7bSNR4ozJ mnTvniWHlVUPemrBUBIEBJfkhZl8/mqRV03B1VE3xxYyLg1VWKcP++8671jwRw5E3a8Q+Kc8G4WP Lm+LfL4bCGAwTjvvGqcibRUVfuOgN5fJPZiMPQ==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==