Station Name: Trout Run at Avondale, PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 279 feet

Nearest Address:
21 Ellicott Rd
Avondale, PA 19311
Chester County

GPS Coordinates: 39.8217764, -75.7791061

Nearby Water Temperatures

Flash Flood Warning issued July 9 at 3:38PM EDT until July 9 at 7:45PM EDT by NWS Mount Holly NJ

Effective: Thu July 9, 2026, 3:38 PM
Expires: Thu July 9, 2026, 7:45 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southern Chester County in southeastern Pennsylvania... Southwestern Delaware County in southeastern Pennsylvania... * Until 745 PM EDT. * At 338 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... West Chester, Westtown, Downingtown, Kennett Square, Oxford, West Grove, Marshallton, Cochranville, Elam, Homeville, Concordville and Cheyney.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.

Flash Flood Warning issued July 9 at 2:07PM EDT until July 9 at 5:45PM EDT by NWS Mount Holly NJ

Effective: Thu July 9, 2026, 2:07 PM
Expires: Thu July 9, 2026, 5:45 PM

At 207 PM EDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. Some locations that may experience flash flooding include... Philadelphia, Wilmington, Newark, Chester, Deptford, West Deptford, Pennsville, Bellmawr, Yeadon, Woodbury, Carneys Point and Folcroft. This includes the following highways... Interstate 295 in New Jersey between mile markers 0 and 25. Interstate 476 in Pennsylvania near mile marker 0. New Jersey Turnpike between exits 1 and 2. Interstate 95 in Pennsylvania between mile markers 0 and 11. Interstate 95 in Delaware between mile markers 0 and 23.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flash Flood Warning issued July 9 at 1:37PM EDT until July 9 at 5:45PM EDT by NWS Mount Holly NJ

Effective: Thu July 9, 2026, 1:37 PM
Expires: Thu July 9, 2026, 5:45 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northern New Castle County in northern Delaware... Northwestern Gloucester County in southern New Jersey... Northwestern Salem County in southern New Jersey... Southeastern Delaware County in southeastern Pennsylvania... * Until 545 PM EDT. * At 137 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Philadelphia, Wilmington, Newark, Chester, Deptford, West Deptford, Pennsville, Bellmawr, Yeadon, Woodbury, Carneys Point and Folcroft. This includes the following highways... Interstate 295 in New Jersey between mile markers 0 and 25. Interstate 476 in Pennsylvania near mile marker 0. New Jersey Turnpike between exits 1 and 2. Interstate 95 in Pennsylvania between mile markers 0 and 11. Interstate 95 in Delaware between mile markers 0 and 23.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Severe Thunderstorm Watch issued July 9 at 2:30PM EDT until July 9 at 10:00PM EDT by NWS Mount Holly NJ

Effective: Thu July 9, 2026, 2:30 PM
Expires: Thu July 9, 2026, 10:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 474 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE

Flash Flood Warning issued July 9 at 2:49PM EDT until July 9 at 5:30PM EDT by NWS State College PA

Effective: Thu July 9, 2026, 2:49 PM
Expires: Thu July 9, 2026, 5:30 PM

FFWCTP The National Weather Service in State College has issued a * Flash Flood Warning for... East Central Lancaster County in south central Pennsylvania... * Until 530 PM EDT. * At 249 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Lancaster, Millersville, Willow Street, New Holland, Leola, Paradise, Churchtown, Bareville, Lampeter, Intercourse, Blue Ball, Gordonville, Goodville, Bird-In-Hand, Smoketown, White Horse, Dutch Wonderland, Franklin And Marshall College and Millersville University.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.