Flash Flood Warning Issued for Southern New Jersey Counties

Source: NOAA · Southern New Jersey

This alert is no longer in effect.

NOAA issued it on September 2, 2026, 2 days 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 northwestern Atlantic, southeastern Camden, and southeastern Gloucester counties in New Jersey until 1:30 AM EDT September 2.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Southern New Jersey
Issued
September 2, 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 days ago; use the issuing agency's live warning service for current conditions in Southern New Jersey.

Alert Details

Flash Flood Warning issued by NWS Mount Holly NJ. Effective from 9:26 PM EDT on September 1, 2026, until 1:30 AM EDT on September 2, 2026. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Northwestern Atlantic County, southeastern Camden County, and southeastern Gloucester County in southern New Jersey. Specific locations include Glassboro, Clayton, Berlin, Buena, Chesilhurst, Newfield, Williamstown, Monroe Township, and Sicklerville.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Report observed flooding to local emergency services or law enforcement.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen, with rainfall rates of 1 to 2 inches per hour expected. Additional rainfall amounts of 1 to 2 inches are possible. Flash flooding is already occurring.

Timeline

The warning is in effect from September 1 at 9:26 PM EDT until September 2 at 1:30 AM EDT.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Mount Holly has issued a Flash Flood Warning for northwestern Atlantic, southeastern Camden, and southeastern Gloucester counties in New Jersey until 1:30 AM EDT September 2.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southern New Jersey. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.