Station Name: NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 23 feet / 7 meters

Nearest Address:
5199 Riverdale Rd
Riverdale Park, MD 20737
Prince George's County

GPS Coordinates: 38.96025, -76.9259722

Nearby Water Temperatures

This is only a test for monitoring of vital dissemination systems.

Effective: Tue July 15, 2025, 2:25 PM
Expires: Tue July 15, 2025, 2:35 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.

Flood Watch issued July 15 at 12:58PM EDT until July 16 at 12:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 15, 2025, 12:58 PM
Expires: Tue July 15, 2025, 9:00 PM

...Additional rounds of heavy rain are possible, potentially over regions impacted by recent events the past few days... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southern Maryland, including the following area, St. Marys. * WHEN...Until midnight EDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A tropical air mass over the region combining with a stalled frontal zone will aid in locally heavy rainfall over far southern Maryland. Rainfall rates of up to 1.50 to 2.50 inches per hour are possible in the stronger storms. Any areas recently impacted by heavy rainfall over the past few days will be more susceptible to flash flooding today into the tonight. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flood Watch issued July 15 at 12:58PM EDT until July 16 at 12:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 15, 2025, 12:58 PM
Expires: Tue July 15, 2025, 9:00 PM

...Additional rounds of heavy rain are possible, potentially over regions impacted by recent events the past few days... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southern Maryland, including the following area, St. Marys. * WHEN...Until midnight EDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A tropical air mass over the region combining with a stalled frontal zone will aid in locally heavy rainfall over far southern Maryland. Rainfall rates of up to 1.50 to 2.50 inches per hour are possible in the stronger storms. Any areas recently impacted by heavy rainfall over the past few days will be more susceptible to flash flooding today into the tonight. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flood Watch issued July 15 at 10:37AM EDT until July 16 at 12:00AM EDT by NWS Wakefield VA

Effective: Tue July 15, 2025, 10:37 AM
Expires: Tue July 15, 2025, 6:45 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Maryland, including the following areas, Dorchester and Wicomico and Virginia, including the following areas, Amelia, Brunswick, Caroline, Charles City, Cumberland, Dinwiddie, Eastern Chesterfield (Including Col. Heights), Eastern Essex, Eastern Hanover, Eastern Henrico, Eastern King William, Eastern King and Queen, Eastern Louisa, Fluvanna, Goochland, Greensville, Lancaster, Lunenburg, Mecklenburg, New Kent, Northumberland, Nottoway, Powhatan, Prince Edward, Prince George (including Hopewell and Petersburg), Richmond, Sussex, Western Chesterfield, Western Essex, Western Hanover, Western Henrico (Including the City of Richmond), Western King William, Western King and Queen, Western Louisa and Westmoreland. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - 2 to 4 inches of rainfall with localized higher amounts has fallen across portions of the watch area over the past 24 hours. Additional showers and storms are possible this afternoon and evening, which could produce an additional 2-3" of rain and result in further instances of flash-flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued July 15 at 10:37AM EDT until July 16 at 12:00AM EDT by NWS Wakefield VA

Effective: Tue July 15, 2025, 10:37 AM
Expires: Tue July 15, 2025, 6:45 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Maryland, including the following areas, Dorchester and Wicomico and Virginia, including the following areas, Amelia, Brunswick, Caroline, Charles City, Cumberland, Dinwiddie, Eastern Chesterfield (Including Col. Heights), Eastern Essex, Eastern Hanover, Eastern Henrico, Eastern King William, Eastern King and Queen, Eastern Louisa, Fluvanna, Goochland, Greensville, Lancaster, Lunenburg, Mecklenburg, New Kent, Northumberland, Nottoway, Powhatan, Prince Edward, Prince George (including Hopewell and Petersburg), Richmond, Sussex, Western Chesterfield, Western Essex, Western Hanover, Western Henrico (Including the City of Richmond), Western King William, Western King and Queen, Western Louisa and Westmoreland. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - 2 to 4 inches of rainfall with localized higher amounts has fallen across portions of the watch area over the past 24 hours. Additional showers and storms are possible this afternoon and evening, which could produce an additional 2-3" of rain and result in further instances of flash-flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.