Station Name: East Branch White Clay Creek at Avondale, PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 282 feet / 86 meters

Nearest Address:
401 New St
Avondale, PA 19311
Chester County

GPS Coordinates: 39.8284429, -75.780773

Nearby Water Temperatures

Extreme Heat Warning issued June 24 at 2:40PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Tue June 24, 2025, 2:40 PM
Expires: Wed June 25, 2025, 3:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The hottest temperatures and heat indices will occur this afternoon. Low temperatures between 75 to 80 degrees and high humidity will not offer much relief from the heat tonight. Heat index values up to 106 can be expected on Wednesday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.

Extreme Heat Warning issued June 24 at 2:40PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Tue June 24, 2025, 2:40 PM
Expires: Wed June 25, 2025, 3:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The hottest temperatures and heat indices will occur this afternoon. Low temperatures between 75 to 80 degrees and high humidity will not offer much relief from the heat tonight. Heat index values up to 106 can be expected on Wednesday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.

Air Quality Alert issued June 24 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 24, 2025, 4:40 PM
Expires: Thu June 26, 2025, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Wednesday for Northeast Maryland. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx.

Heat Advisory issued June 24 at 8:43PM EDT until June 25 at 9:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Tue June 24, 2025, 8:43 PM
Expires: Wed June 25, 2025, 4:45 AM

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, central, northern, and northwest Virginia, and panhandle West Virginia. * WHEN...From 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.