CURRENT BRIEFING
What Has Changed?
Slight increase in winds for Friday
Increasing concern for possible tornadoes Friday
Gale Watch converted to Gale Warning
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PREVIOUS BRIEFINGS
Heavy Rain/Flash Flooding and Impacts from Debby August 7 10, 2024
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EVENT SUMMARY
Heavy Rain/Flash Flooding potential continues daily into the weekend with the
highest risk Friday into Friday night.
Main stem rivers will be on the rise by the end of this week , potentially leading to
some river flooding over the weekend and into early next week if rain amounts are
high enough.
Tropical Storm Debby will move inland tonight into Thursday, potentially bringing
impacts to our region Friday into Friday night. While there is still uncertainty regarding
the magnitude of impacts for our region, there is a risk for heavy rain/flooding and severe storms.
PREVIOUS BRIEFINGS
What Has Changed?
Increased severe thunderstorm risk
across eastern PA through Tuesday
Night.
Severe Thunderstorm Watch issued
through Tuesday Night.
Heavy Rain/Flash Flooding concerns
continue into Friday.
River flooding concerns increasing for
the weekend and into early next week
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PREVIOUS BRIEFINGS
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Some thunderstorms this afternoon into tonight could be severe (Slight Risk, Level 2 out of 5 for much of NJ and eastern PA) with locally damaging downburst wind gusts the main threat. Small hail is
possible.
Showers and thunderstorms producing very heavy rain this afternoon through Wednesday morning.
Total rainfall amounts will generally range from 1.5 to 2.5 inches with locally higher amounts exceeding 5 inches. Areas of flash flooding are probable mainly for the urbanized portions of New Jersey and eastern Pennsylvania. Hourly rainfall rates with the stronger showers and storms will exceed 2 inches, and where this sets up will result in an increased risk for flash flooding.
A Flood Watch is in effect from 2PM Today through Wednesday morning. This includes all of eastern PA and much of NJ.
Heavy Rain/Flash Flooding potential continues into Thursday.
Tropical Storm Debby will meander across parts of the Southeastern U.S. most of this week. While there is high uncertainty regarding the details for our region, areas of very heavy rain and flooding are
likely late this week.
More information on potential impacts and the timing of potential impacts in our region will be available in the coming days.
Please see www.hurricanes.gov for the latest information on this system.