NWS BinghamtonHeavy Rain/Flood PotentialBriefing #3Issued 10:30 am Wednesday 06/13/2013Dave NicosiaWarning Coordination MeteorologistNational Weather ServiceBinghamton, NY
This Briefing applies to the NWS Binghamton ServiceArea only- This area includes but isnot limited to cities such asSyracuse, Utica, Ithaca,Elmira, Binghamton andOneonta in NY State.- This area includes but isnot limited to cities such asTowanda, Montrose,Scranton, Wilkes-Barre inPA.
Executive Summary- A strong low pressure system will track from northwest Pennsylvania to theNew Jersey coast today.- Rain will continue across north central NY through the day and taper offthis evening. Rain in northeast PA and central NY will taper off thismorning and then more rain will develop later this afternoon and last untilthe late evening.- Rainfall amounts will range between 1 and 3 inches in many areas locallyup to 4 inches.- Lake and Reservoir levels will rise generally less than 1 foot. Spill flows onregional reservoirs will increase.- Flash flood potential remains on smaller river tributaries, streams, urbanand flood prone areas.-North Central NY this morning/early afternoon.-South Central NY/northeast PA later this afternoon and evening.- The timing of highest potential for river flooding would be Tonight throughFriday night.
Rainfall Timing: Model Projected RadarDry SlotNorthwest edge of rain shield will drop southeastthis afternoon.Northwest edge of rainshield at 5 pmWestern edge of rainshield slow downs andlingers until late thisevening
Forecast Rainfall through TonightSearch:National Weather ServiceBinghamtonNWS BinghamtonIssued: 6/13/201310:30 PMFollow Us:@NWS BinghamtonRainfall rangingfrom 1 to 2 inchesextending southfrom the FingerLakes to theSouthern Tier with2 to 3 inches acrossnortheast PA, theCatskills andSusquehannaRegion of NY.
Expecting up to bank full on the rivers, possiblysome minor flooding few spots.Search:National Weather ServiceBinghamtonNWS BinghamtonIssued: 6/13/201310:30 AMFollow Us:@NWS BinghamtonNear Bank full = Yellow DotsMinor flooding = Orange DotsModerate flooding = Red DotsMajor Flooding = Purple DotsHighest threats will be to thetributaries and reservoirs of theDelaware river basin, plus areasof the Upper Susquehanna.
Potential ImpactsSearch:National Weather ServiceBinghamtonNWS BinghamtonIssued: 6/13/201310:30 AMFollow Us:@NWS Binghamton- Between 1 and 3 inches of rain expected, locally up to 4 inches.- Predicted rainfall a little less than what we were forecasting yesterday.- Significant rises of area rivers and lakes likely into Friday.- Rivers will crest ¾ bank full to bank full most areas, some minorflooding possible at a few gauges in the Delaware basin from Tonightinto Friday night. Headwaters most vulnerable.- Still potential for small stream flash flooding and urban flooding.
NWS Binghamton-led audio/webinar will be held forthe Delaware River Basin counties onlyat 11:30 AM.- Another PDF Briefing will be sent this afternoon.For continuous updates:– General Weather Info: http://weather.gov/bgm– Graphical Forecasts: http://www.weather.gov/forecasts/wfo/sectors/bgm.php#tabs– River Forecasts: http://water.weather.gov/ahps2/index.php?wfo=bgm– Probability River Forecasts: http://www.erh.noaa.gov/mmefs/