Severe weather warnings for flash floods: Lead time (minutes)2004-09-30T00:00:0047Severe weather warnings for flash floods: Lead time (minutes)2005-09-30T00:00:0054Severe weather warnings for flash floods: Lead time (minutes)2006-09-30T00:00:0050Severe weather warnings for flash floods: Lead time (minutes)2007-09-30T00:00:0060481.25ExceededSevere weather warnings for flash floods: Lead time (minutes)2008-09-30T00:00:0077481.60417ExceededSevere weather warnings for flash floods: Lead time (minutes)2009-09-30T00:00:0066491.34694ExceededSevere weather warnings for flash floods: Lead time (minutes)2010-09-30T00:00:0072381.89474ExceededSevere weather warnings for flash floods: Lead time (minutes)2011-09-30T00:00:0073381.92105ExceededSevere weather warnings for flash floods: Lead time (minutes)2012-09-30T00:00:0053421.2619ExceededSevere weather warnings for flash floods: Lead time (minutes)2013-09-30T00:00:0063581.08621ExceededSevere weather warnings for flash floods: Lead time (minutes)2014-09-30T00:00:0054600.9MetSevere weather warnings for flash floods: Lead time (minutes)2015-09-30T00:00:0064611.04918ExceededSevere weather warnings for flash floods: Lead time (minutes)2016-09-30T00:00:0072611.18033ExceededSevere weather warnings for flash floods: Lead time (minutes)2017-09-30T00:00:0073631.15873ExceededSevere weather warnings for flash floods: Lead time (minutes)2018-09-30T00:00:0062630.984127MetSevere weather warnings for flash floods: Lead time (minutes)2019-09-30T00:00:0065651MetSevere weather warnings for flash floods: Lead time (minutes)2020-09-30T00:00:0066651.01538ExceededSevere weather warnings for flash floods: Lead time (minutes)2021-09-30T00:00:0062650.953846MetSevere weather warnings for flash floods: Lead time (minutes)2022-09-30T00:00:0051650.78Not MetSevere weather warnings for flash floods: Lead time (minutes)2023-09-30T00:00:0056650.86Not MetSevere weather warnings for flash floods: Lead time (minutes)2024-09-30T00:00:0065Severe weather warnings for flash floods: Lead time (minutes)2025-09-30T00:00:0065