Hydrology

Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >


Saddle River	Mahwah River	Yantic River	Wallkill River	Quinebaug River

Dundee Dam	Quinnipiac River	Molly Ann Brook	Bronx River	Peckman River

National Water Prediction Service (NWPS)	Meteorological Model Ensemble River Forecasts (MMEFS)	Precipitation Analysis

Quanitative Precipitation Forecasts	Excessive Rainfall Forecasts	National Operational Hydrologic Remote Sensing Center

6 Hour Precipitation and Snowfall Graphics
Winter/Spring Flood Potential Outlook

Statements, Watches, and Warnings Hover Over Product Type for Description
Flood Watch (FFA)	Latest Flood Watch
Flood Warning (FLW)	Latest Flood Warning
Flood Statement (FLS)	Latest Flood Statement
Flash Flood Warning (FFW)	Latest Flash Flood Warning
Flash Flood Statement (FFS)	Latest Flash Flood Statement
Other Current Hydrologic Products, Conditions, and Outlooks
Polygon-Based River Flood Warnings
Daily River and Lake Summary
Daily Hydrometeorological Observations
Current Streamflow Conditions
Flash Flood and Headwater Guidance

Northeast River Forecast Center
Graphical Forecast Guidance	Flash Flood Guidance	Headwater Guidance
Middle Atlantic River Forecast Center
Graphical Forecast Guidance	Flash Flood Guidance	Headwater Guidance

Flood Preparedness	Drought & Water Supply Information
Flood Safety	United States Drought Monitor
American Red Cross	Northeast Drought Comparisons
National Flood Insurance Program	Drought Termination & Amelioration
Hydrologic Glossary	Seasonal Temp/Precipitation Outlook
Hydrologic Cycle	New Jersey's Water Supply System
Precipitation Forecasting	New York City's Water Supply System
Stream & Flood Forecasting	Rivers Alliance of Connecticut
Hurricane Flooding: A Deadly Inland Danger	Significant River Flood Outlook
Natural Hazards/Weather Safety	Hudson River Ice Reports
NWS Low-Water Crossing Video
Turn Around Don't Drown (TADD)