Rainfall and River Reports

• River Statements and Warnings (including previous versions)
• Delaware River Basin and Delmarva
• Passaic and Raritan Basins and Coastal New Jersey
• Cocorahs Precipitation Summary

Streamflow

• New Jersey
• Pennsylvania
• Maryland and Delaware

HADS (alternate site for Streamflow)

• New Jersey
• Pennsylvania
• Maryland
• Delaware
• PF Data Server Home - HDSC/OHD/NWS/NOAA

IFLOWS/ALERT Rainfall Data

• New Jersey
• Pennsylvania
• Maryland

Daily Snowfall

• U.S. Snow Monitoring; Recent Snowfall and Snowdepth Maps

Ice

• Ice Buildup on Rivers
• National Ice Center
• Satellite Imagery - MODIS 1km resolution
• Satellite Imagery - MODIS 250m resolution

River Ice Reports

• Submit a report
• View River Ice Reports
• Current RIVER ICE STATEMENT

Miscellaneous Charts and Maps

• Snow Water Equivalent Map for Middle Atlantic Area
• Water Temperature Map for Delaware/Lehigh/Schuylkill Rivers and NJ

Forecasts and Statements

• Daily River and Lake Summary
• Daily Quantitative Precipitation Forecast 
• Flood Potential Statement
• U.S. Significant River Flood Outlook

Flash Flood Guidance

• New Jersey
• Central and Eastern Pennsylvania
• Maryland
• Delaware

Headwater Guidance

• New Jersey Streams 
• Delaware and Susquehanna Basins

SHEF

• Standard Hydrometeor0logical Exchange Format (SHEF) Manual

• NWS Mt. Holly, NJ Drought Information page

• Middle Atlantic River Forecast Center
• Delaware River Basin Commission 
• Susquehanna River Basin Commission 
• Philadelphia Army Corp of Engineers (Lehigh/Lackawaxen/Schuylkill)
• What Exactly is a 100-Year Flood?
• Precipitation Analysis
• Interactive Snow Analysis - from the National Operational Hydrologic Remote Sensing Center (NOHRSC)