Flash Flood Warning Issued for Sussex County, Delaware
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
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 eastern Sussex County in southern Delaware until 5:15 PM EDT on August 28.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Eastern Sussex County, Delaware
- Issued
- August 28, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flash Flood Warning issued by NWS Mount Holly NJ. Effective from August 28 at 1:11 PM EDT until August 28 at 5:15 PM EDT. Alert type code: FFW.
Affected Areas
Eastern Sussex County in southern Delaware, including Georgetown, Millsboro, Lewes, Milton, Dagsboro, Millville, Henlopen Acres, Cape Henlopen State Park, Long Neck, Ocean View, Frankford and South Bethany.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
At 1:11 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen. Expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible.
Timeline
Warning in effect from 1:11 PM EDT to 5:15 PM EDT on August 28, 2026. 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
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (923 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 28, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.