Station Name: Middle Branch White Clay Creek near West Grove,PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 410 feet

Nearest Address:
219 W Woodview Rd
West Grove, PA 19390
Chester County

GPS Coordinates: 39.8325833, -75.8450833

Nearby Water Temperatures

Tornado Watch issued July 18 at 1:55PM EDT until July 18 at 9:00PM EDT by NWS Mount Holly NJ

Effective: Sat July 18, 2026, 1:55 PM
Expires: Sat July 18, 2026, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 495 IN EFFECT UNTIL 9 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 COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM

Small Craft Advisory issued July 18 at 7:48AM EDT until July 18 at 11:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Sat July 18, 2026, 7:48 AM
Expires: Sat July 18, 2026, 11:00 PM

* WHAT...Southwest winds 10 to 15 kt with gusts up to 20 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...From 11 AM this morning to 11 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Tornado Watch issued July 18 at 4:33PM EDT until July 18 at 9:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Sat July 18, 2026, 4:33 PM
Expires: Sat July 18, 2026, 9:00 PM

TORNADO WATCH 495 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD

Tornado Watch issued July 18 at 2:19PM EDT until July 18 at 9:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Sat July 18, 2026, 2:19 PM
Expires: Sat July 18, 2026, 9:00 PM

TORNADO WATCH 495 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD

Tornado Watch issued July 18 at 2:15PM EDT until July 18 at 9:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Sat July 18, 2026, 2:15 PM
Expires: Sat July 18, 2026, 9:00 PM

TORNADO WATCH 495 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD