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Merrimack Police Department
Sunday May 11th, 2025 :: 12:54 p.m. EDT

Advisory

Flood Warning until 10:00AM Monday

...The Flood Warning is extended for the following rivers in Connecticut...Massachusetts...New Hampshire... Connecticut River At Thompsonville affecting Hartford and Hampden Counties. Connecticut River At Northampton affecting Hampden and Hampshire Counties. Merrimack River At Lowell affecting Middlesex and Essex Counties. Nashua River At East Pepperell affecting Middlesex, Worcester and Hillsborough Counties. ...The Flood Warning continues for the following rivers in Connecticut... Connecticut River At Hartford affecting Middlesex and Hartford Counties. Connecticut River At Middle Haddam affecting Middlesex County. For the Connecticut River...including Montague, Northampton, Holyoke Dam, Holyoke, Springfield, Thompsonville, Hartford, Middle Haddam... Minor flooding is forecast. For the Merrimack River...including Lowell, Lawrence, Groveland... Minor flooding is forecast. For the Nashua River...including East Pepperell...Minor flooding is forecast.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Nashua River at East Pepperell.

* WHEN...Until late tomorrow morning.

* IMPACTS...At 8.0 feet, Minor lowland flooding is likely along the river from East Pepperell downstream through Hollis.

* ADDITIONAL DETAILS... - At 11:45 AM EDT Sunday the stage was 8.5 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:45 AM EDT Sunday was 8.5 feet. - Forecast...The river is expected to rise to a crest of 8.5 feet this afternoon. It will then fall below flood stage late tonight. - Flood stage is 8.0 feet. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: MIDDLESEX, MA ... WORCESTER, MA ... HILLSBOROUGH, NH

Instructions:

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 930 PM EDT.

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:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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