Winter storm warnings: Lead time (hours)2004-09-30T00:00:0015Winter storm warnings: Lead time (hours)2005-09-30T00:00:0017Winter storm warnings: Lead time (hours)2006-09-30T00:00:0017Winter storm warnings: Lead time (hours)2007-09-30T00:00:0018151.2ExceededWinter storm warnings: Lead time (hours)2008-09-30T00:00:0017151.13333ExceededWinter storm warnings: Lead time (hours)2009-09-30T00:00:0018151.2ExceededWinter storm warnings: Lead time (hours)2010-09-30T00:00:0021151.4ExceededWinter storm warnings: Lead time (hours)2011-09-30T00:00:0020151.33333ExceededWinter storm warnings: Lead time (hours)2012-09-30T00:00:0018190.947368MetWinter storm warnings: Lead time (hours)2013-09-30T00:00:0022201.1ExceededWinter storm warnings: Lead time (hours)2014-09-30T00:00:0022201.1ExceededWinter storm warnings: Lead time (hours)2015-09-30T00:00:0021201.05ExceededWinter storm warnings: Lead time (hours)2016-09-30T00:00:0021201.05ExceededWinter storm warnings: Lead time (hours)2017-09-30T00:00:0022201.1ExceededWinter storm warnings: Lead time (hours)2018-09-30T00:00:0018200.9MetWinter storm warnings: Lead time (hours)2019-09-30T00:00:0021201.05ExceededWinter storm warnings: Lead time (hours)2020-09-30T00:00:0023201.15ExceededWinter storm warnings: Lead time (hours)2021-09-30T00:00:0022201.1ExceededWinter storm warnings: Lead time (hours)2022-09-30T00:00:0024201.2ExceededWinter storm warnings: Lead time (hours)2023-09-30T00:00:0024201.2ExceededWinter storm warnings: Lead time (hours)2024-09-30T00:00:0020Winter storm warnings: Lead time (hours)2025-09-30T00:00:0020