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Merrimack Police Department
Wednesday August 13th, 2025 :: 05:48 p.m. EDT

Advisory

Severe Thunderstorm Warning until 06:30PM

SVRGYX The National Weather Service in Gray Maine has issued a

* Severe Thunderstorm Warning for... Western Rockingham County in southern New Hampshire... Central Hillsborough County in southern New Hampshire... Southeastern Merrimack County in central New Hampshire...

* Until 630 PM EDT.

* At 545 PM EDT, a severe thunderstorm was located near New Boston, or 8 miles west of Manchester, moving east at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

* Locations impacted include... Allenstown, Hampstead, Sandown, Goffstown, Candia, Derry, Merrimack, Auburn, Chester, Londonderry, Amherst, Manchester, Bedford, Hooksett, Deerfield, Litchfield, Mount Vernon, Mont Vernon, Raymond, and Epsom. This includes the following highways... Interstate 293 between mile markers 1 and 11. Interstate 93 between mile markers 11 and 32.

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

Instructions:

For your protection move to an interior room on the lowest floor of a building.

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

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

TEXT-A-TIP -  Text TIP MERRIMACKPD followed by your message, to 888777

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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:
Severe Thunderstorm Warning

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