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5/23/2024

WT Staff





HAPPENING NOW
Thursday, May 23, 2024
NWS: Risk of severe thunderstorms, damaging wind, hail

May 23, 2024 944 am EDT

Hazardous Weather statement issued by NWS for Albany NY 409 am Thursday, May 23, 24
An area of showers and thunderstorms are expected to cross areas south and east of Albany later this morning into the early afternoon hours. A marginal risk for severe thunderstorms remains across these areas with damaging winds and hail being the primary threats.

There is a chance for thunderstorms during the late afternoon or evening hours on Saturday and again on Monday.

Weather spotters are encouraged to relay wind damage or hail reports to the National Weather Service in Albany New York.

Impacting Northern Herkimer-Hamilton-Southern Herkimer-Southern Fulton-Montgomery-Northern Saratoga-Northern Warren-Northern Washington-Schoharie-Western Schenectady-Eastern Schenectady-Southern Saratoga-Western Albany-Eastern Albany-Western Rensselaer-Eastern Rensselaer-Western Greene-Eastern Greene-Western Columbia-Eastern Columbia-Western Ulster-Eastern Ulster-Western Dutchess-Eastern Dutchess-Northern Fulton-Southeast Warren- Southern Washington Counties Counties.

Current Streamflow Situation - NYS Drought Map
Flow values recorded across the state have slowed overnight. An increase in the number of stations rated 5th percentile shows up through the west and north interior Thursday. Much below normal flow ratings show up in south flowing Ramapo River with one extreme low recorded on Long Island. Severe drought hangs on the Raquette River channel while Oswegatchie River channel remains at moderate drought in St. Lawrence River watershed. St. Lawrence River watershed areas apart from the above are rated below normal, along with adjacent landscape of the Black River, Lake Ontario minor tributaries east section and Upper Hudson River watersheds. A large area of west interior Finger Lakes watershed is rated below normal, from south Wayne County, Cayuga, Onondaga, Yates, Schuyler and north Steuben Counties. The only part of west NY on the drought map Wednesday is the west third of Chautauqua County in the Niagara River - Lake Erie watershed.

The highest streamflow rating is above normal, 80th percentile observed in the south-facing Delaware River watershed. There are no active flood events or extreme high flows in the network Thursday.

WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors

As of this report, sixty sites record flooding on the USGS network through the USA with fifteen occurring in WT coverage area. The nation's most common disaster is recorded through south Georgia, presenting a sample of nine stations recording flooding. Louisiana has dropped two active river flooding sites overnight, currently recording seven flood events in the network.

Louisiana has retired a river flood event in watershed Region 4 on the west border Sabine River, back in the channel near Bon Wier, TX as of 615 am CDT this morning. Sabine River flooding is down to one station in the lower channel near Ruliff, two feet four inches over flood stage. To the east in the Calcasieu River, the station near Oberlin records flooding ended around 145 am CDT this morning. The stations upstream and downstream of Oberlin on the Calcasieu River are still flooding, running more than a foot over near Glenmora and downstream runs four inches over flood stage near Kinder. Region 5 watershed has one river flood event Thursday, Mermentau River runs five inches over at Mermentau. Region 1 watershed's Bayou Bodcau continues the steady decline curve, running a foot and five inches above the basin, even after a night of rain in the region. NWS forecast locally heavy downpours last night that Bayou Bodcau could have picked up over 668 square miles of east Bossier Parish and southwest Arkansas. In Region 7, Pearl River is up again overnight, running a foot and ten inches above flood stage near Bogalusa. Flow downstream at the Town of Pearl River runs less than a foot over flood stage at the Town of Pearl River. See black tags indicating flow volume and gauge height, flows updated daily here.

River flooding has shifted overnight on both sides of the state divide. In the Atlantic basin, Satilla River tributary Alabaha River rested down into the channel around 1130 pm last night at GA203 near Blackshear leaving Satilla River flooding at three locations, at GA 158 near Waycross, downstream at another location near Waycross and downstream at Atkinson. Tributary Little Satilla runs a foot over the channel near Offerman. Savannah River held a level flow overnight, still a foot and three inches above the channel. In the Gulf Basin, flooding has expanded in the Suwannee River watershed. Withlachoochee River is recorded flooding at three monitors Thursday, running more than a foot over flood stage at Skipper Bridge Rd. near Bemiss, close to four feet above the channel at US84 near Quitman and downstream near Pinetta, FL. Flood stage was breached near Pinetta, FL around 10 pm last night, currently registering a provisional reading one foot above flood stage and rising. Ochlockonee River is still flooding a foot over near Concord, FL. See black tags indicating flow volume and gauge height, updated daily here.

As many drinking water facilities are supplied from surface water reservoirs, the streamflow situation is pertinent to both drinking water supply and quality. High flows can stir up sediment and cause turbidity in the reservoirs, requiring additional treatments to render the water potable. Low flow volume is linked to warmer temperatures in the reservoir and can be an issue for water quality where HABs are present. WT tracks streamflow trends with an eye to the impacts on drinking water supply and quality in each of the state's watersheds. Check the watershed layer on the map to see the direction of flow and streamflows that may be impacting drinking water today.

USGS Provisional Data Statement
Data are provisional and subject to revision until they have been thoroughly reviewed and received final approval. Current condition data relayed by satellite or other telemetry are automatically screened to not display improbable values until they can be verified.
Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site. Subsequent review based on field inspections and measurements may result in significant revisions to the data.
Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Information concerning the accuracy and appropriate uses of these data or concerning other hydrologic data may be obtained from the USGS.









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