Weather Alert Detail

Event: Flash Flood Watch

Flash Flood Watch issued August 13 at 2:45AM EDT until August 13 at 4:00PM EDT by NWS Philadelphia - Mount Holly

...LOCALLY MODERATE TO HEAVY RAIN THIS MORNING AND EARLY THIS AFTERNOON... .A WEAK AREA OF LOW PRESSURE APPROACHING FROM THE SOUTHWEST IS FORECAST TO PASS OVER OUR REGION TODAY. A COLD FRONT FROM THE NORTHWEST IS EXPECTED TO ARRIVE TONIGHT. ABUNDANT MOISTURE WITH THE LOW AND AHEAD OF THE COLD FRONT WILL RESULT IN THE DEVELOPMENT OF RAIN SHOWERS AND SCATTERED THUNDERSTORMS FOR TODAY. LOCALLY MODERATE TO HEAVY RAINFALL IS LIKELY. ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH FOR CECIL COUNTY IN MARYLAND AND NEW CASTLE COUNTY IN DELAWARE. THE FLASH FLOOD WATCH ALSO INCLUDES THE PENNSYLVANIA COUNTIES OF CARBON...MONROE...NORTHAMPTON... LEHIGH...BERKS...CHESTER...MONTGOMERY...BUCKS...PHILADELPHIA AND DELAWARE...AND THE NEW JERSEY COUNTIES OF SUSSEX...WARREN... MORRIS...HUNTERDON...SOMSERSET...MIDDLESEX...MERCER...WESTERN MONMOUTH...NORTHWESTERN BURLINGTON...CAMDEN...GLOUCESTER AND SALEM.

* THROUGH THIS AFTERNOON

* WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE ANTICIPATED FROM THIS MORNING INTO EARLY THIS AFTERNOON WITH LOCAL AMOUNTS UP TO THREE OR FOUR INCHES EXPECTED. MUCH OF THE RAIN WILL FALL IN A TWO OR THREE HOUR TIME FRAME.

* THE HEAVY RAINFALL MAY CAUSE SMALL STREAMS AND CREEKS TO LEAVE THEIR BANKS. ROADWAY FLOODING IS POSSIBLE ALONG WITH FLOODING IN AREAS OF POOR DRAINAGE.