NWS Mount Holly NJFF.W 0149September 1, 2026
Flash Flood Warning: Morris, NJ
The National Weather Service office in Mount Holly issued a flash flood warning for Morris in New Jersey, which was in force until 11:15 p.m. local time on September 1. It was the 149th flash flood warning the NWS office in Mount Holly issued in 2026. New Jersey had 11 flash flood warnings in September 2026, against 5 in an average September of 2008-2025 (New Jersey's flash flood warnings by year).
ExpiredWarning
In force for 4 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Mount Holly NJ
- Area
- Morris
- State
- New Jersey
- Level
- Warning
- Issued
- 7:13 p.m. EDT, September 1, 2026
- Expires
- 11:15 p.m. EDT, September 1, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KPHI FF.W 0149
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in New Jersey since 2008Every warning type in New Jersey
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Eastern Morris County in northern New Jersey... * Until 1115 PM EDT. * At 713 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Morristown, Madison, Florham Park, East Hanover, Lincoln Park, Kinnelon, Boonton, Butler, Rockaway, Morris Plains, Mountain Lakes and Riverdale.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Flash Flood Warnings in New Jersey since 200846 a year
- Every warning type in New Jersey
- Flash Flood Warning: what it means, and the states that get the most3,924 a year
- NWS notices, September 20262,824 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels