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Merrimack Police Department
Sunday July 16th, 2023 :: 11:24 a.m. EDT

Advisory

Flash Flood Warning until 06:00PM

The National Weather Service in Gray has issued a

* Flash Flood Warning for... West Central Belknap County in central New Hampshire... Merrimack County in central New Hampshire... Northeastern Cheshire County in southern New Hampshire... Hillsborough County in southern New Hampshire... Western Rockingham County in southern New Hampshire...

* Until 600 PM EDT Sunday.

* At 1124 AM EDT, Doppler radar and automated rain gauges indicated heavy rain falling across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional heavy rainfall is expected through the afternoon. This torrential rain is falling on already saturated ground and will result in rapid rises on small streams along with urban flooding. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include... Manchester, Nashua, Loudon, Concord, Derry, Merrimack, Franklin, Henniker, Northwood and Salem.

* AFFECTED AREAS: BELKNAP, NH ... CHESHIRE, NH ... HILLSBOROUGH, NH ... MERRIMACK, NH ... ROCKINGHAM, NH

Instructions:

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Address/Location
Merrimack Police Department
31 Baboosic Lake Rd
Merrimack, NH 03054

Contact
Emergency: 9-1-1
Non-emergencies: 603-424-3774

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flash Flood Warning

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