Flash Flood Warning Issued for Central Chester County, PA
This alert is no longer in effect.
NOAA issued it on August 31, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Mount Holly has issued a Flash Flood Warning for central Chester County in southeastern Pennsylvania until 2:00 AM EDT August 31.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Central Chester County, Pennsylvania
- Issued
- August 31, 2026
- Issuing authority
- NWS Mount Holly NJ
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Central Chester County, Pennsylvania.
Alert Details
A Flash Flood Warning (event code FFW) has been issued by the National Weather Service in Mount Holly NJ. The alert is effective from August 30 at 10:04 PM EDT until August 31 at 2:00 AM EDT.
Affected Areas
Central Chester County in southeastern Pennsylvania, including West Chester, Coatesville, Westtown, Downingtown, Kennett Square, Parkesburg, Marshallton, West Goshen, Atglen, South Coatesville, Modena and Thorndale.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain. Between 0.5 and 1 inch of rain has fallen, with rainfall rates of 1 to 2 inches per hour expected. Additional rainfall amounts of 1 to 2 inches are possible.
Timeline
The warning is in effect from 10:04 PM EDT August 30 until 2:00 AM EDT August 31. Flash flooding is ongoing or expected to begin shortly.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.
Similar body length
Nearest notices by article body length (954 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 31, 2026.
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