10/22/2024
WT Staff
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October 22, 2024 updated 116 pm EDT
Lake Champlain watershed in moderate drought
Streamflow Situation from the USGS network of streamflow gauges
Sunny and clear across New York State today, high 78 upstate, 76 in the city with the same streamflow dashboard as yesterday, an even mix of normal and below seasonal normal volumes and water levels. Seneca River is flowing at a record low at Baldwinsville, see the brown tag on the map to the left.
West NY maintains one watershed at below normal, Lake Ontario west section impacting Niagara, Orleans and west Monroe. Lake Champlain watershed has spiked upward overnight into moderate drought impacting north Washington and east Essex Counties. St.Lawrence River watershed remains below normal along the Raquette River channel. Mohawk River watershed on the west side of the Catskills is below normal, impacting Schoharie and Green Counties. Delaware River watershed has increased the amount of area rated below normal, Ramapo River watershed remains below normal, along with Long Island Sound watershed below normal through south Westchester and Richmond Counties.
As of this report, there are no flood events registering in the network, no extreme high (99th percentile) flows.
WT HAB Tracker from the satellite monitoring program of the NOAA National Centers for Coastal Ocean Science(NCCOS) and NYS DEC
New York
Active bluegreen blooms are down to thirty-seven Tuesday, down from forty-one yesterday. Reports made prior to Oct 7 have moved into the archive file for the season, that set of records numbering 1960. Bradley Brook Reservoir, Song Lake and Summitt Lake have new HABs confirmed late season, back on the active list after many weeks clear of HAB. Our impacted water body list is in the process to roll over to the archive report for the season, here.
The latest satellite image of Lake Champlain was captured Oct 21, a mostly clear view, again no HAB activity noted in Lake Champlain. Lake Carmi maintains widespread HAB around 600 thousand cells per ml. See the NCCOS color image of Lake Champlain here.
National Hurricane Center Bulletin 14 Tropical Storm Oscar issued 1100 am Tues Oct 22
OSCAR CONTINUES MOVING THROUGH THE CENTRAL AND SOUTHEASTERN BAHAMAS
At 1100 AM EDT (1500 UTC), the center of Tropical Storm Oscar was
located near latitude 22.9 North, longitude 74.1 West. Oscar is
moving toward the northeast near 12 mph (19 km/h), and a faster
northeastward motion is expected during the next day or two. On
the forecast track, the center of Oscar will be moving away from
the Bahamas later today or tonight.
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Oscar could dissipate later today, or merge with an extratropical
low pressure system within the next couple of days.
Tropical-storm-force winds extend outward up to 105 miles (165 km) east and northeast of the center.
NWS News: Comprehensive Event Review of Destructive Connecticut and Long Island Flash Flooding
A destructive flash flooding event occurred across portions of southwest Connecticut on August 18, 2024 and across portions of Long Island during the early morning of August 19, 2024. Significant flash flooding also occurred across portions of northeast New Jersey during the evening of August 18, 2024. A widespread 1 to 3 inches of rain fell across the region, but the areas hardest hit in southwest Connecticut received 5-9 inches of rain with isolated amounts 10-13 inches in Oxford, Monroe, Sandy Hook, and Newtown. In northwest Suffolk County, up to 10 inches of rain fell, with the New York State Mesonet site at Stony Brook measuring 9.40 inches of rain. Flash Flood Emergencies were issued across portions southwest Connecticut and northwest Suffolk County on Long Island.
The following are some of the major impacts that occurred in Long Island, but may not cover the full scope of the flooding impacts:
- All of the water from Mill Pond in Stony Brook was pushed out into Long island sound and surrounding waterways. Fire crews evacuated several homes nearby out of precaution.
- One home partially collapsed on the corner of Harbor Road and Main Street, but the home was vacant.
- The Nissequoque River dam broke around 9:30 am EDT August 19, 2024 causing the entire Stump Pond at Blydenburgh Park in Smithtown to empty into the river. Homes and nearby streets were flooded.
- Two people were trapped on the second floor of their home near the head of the Nissequoque River and had to be rescued by the Smithtown Fire Department.
- The Smithtown Library on Main Street in Smithtown suffered significant damage from flooding with damage to many historic books.
- The Port Jefferson firehouse was flooded and had to be evacuated.
- A small mudslide occurred at the Bell Harbour Mews Apartments in Port Jefferson.
- Several water rescues had to be performed in Huntington, Commack, Smithtown, Nesconset, Saint James, Lake Ronkonkoma, Coram, Port Jefferson, Stony Brook, Setauket, and Miller Place.
- Multiple homes had basement flooding within Commack, Smithtown, Saint James Centereach, Setauket, Selden, Coram, Port Jefferson, and Rocky Point.
- The Nissequoque River flooding impacted service on the Long Island Rail Road Port Jefferson Branch.
- The Long Island Expressway (I-495) westbound had to be closed between Exit 51 and Exit 52 near Dix Hills due to flooding. NY State had to be called to assist with pumping water.
There were also flash flooding impacts across several major roads in highly urbanized northeast New Jersey with multiple rescues having to be performed. See the Storm Reports Section for a map of some of the impacts received from the event.
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