Environment & Science

Significant Severe Weather Risk in NH, Maine: ‘All Hazards on the Table’ Sunday: National Weather Service

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National Weather Service TwitterX post Sunday morning.

The latest from the National Weather Service at 6:27 a.m. Sunday:

SIGNIFICANT SEVERE WEATHER RISK JUNE 23* Numerous severe storms are expected today across parts of NH and ME. All hazards are on the table for this event with damaging winds the primary hazard. Ensure you have multiple ways of receiving information. #nhwx #mewx

A stationary front lifts northward into New Hampshire today as a warm front. There is a slight to enhanced risk of severe thunderstorms across the area today, especially in New Hampshire, with the risk of a few tornadoes and damaging winds being the primary concerns.

A cold front will then cross Sunday night and Monday with additional unsettled weather before high pressure builds in by Tuesday, bringing drier conditions. Temperatures moderate through the middle of the week, with another cold front bringing showers and storms late Wednesday. High pressure then builds in late in the week, bringing drier and cooler conditions.

More from National Weather Service in Gray, Maine:

This Hazardous Weather Outlook is for Maine, southwest Maine,
western Maine, New Hampshire, central New Hampshire, northern New
Hampshire and southern New Hampshire.

.DAY ONE...Today and tonight.

Severe thunderstorms are possible this afternoon and early evening,
with the best chance being in New Hampshire. Damaging winds will be
the main threat. However, a few tornadoes will be possible as well.

Heavy rainfall rates may also result in a low chance for localized
flash flooding concerns.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is expected later today.

From the NH Department of Safety at 12:03 a.m. Sunday:

CONCORD, N.H. – The National Weather Service (NWS) in Gray, Maine, warns residents and visitors in New Hampshire that there is an enhanced risk for severe storms Sunday.

The New Hampshire Department of Safety’s Division of Homeland Security and Emergency Management (HSEM) urges residents and visitors to prepare now for the possibility of damaging winds, isolated tornadoes, hail, and flash flooding.

“Stay informed to keep you and your family safe,” said HSEM Director Robert Buxton. “Review your family emergency plan now and make sure your emergency kit is stocked. Your kit should include important documents and contact information along with supplies.”

The NWS said there is the potential for winds in excess of 70 mph, and the Storm Prediction Center has issued a 10% risk for tornadoes across New Hampshire for Sunday.

Campers should have a way to be aware of changing conditions and be prepared to evacuate to higher ground immediately if flooding occurs. Campers also should have a plan for alterative shelter if needed.

Director Buxton offers the following safety recommendations:

  • If driving in a vehicle, remember the saying, “turn around, don’t drown.”
  • If floodwaters rise around your car but the water is not moving, abandon the car and move to higher ground. Do not leave the car and enter moving water. Just 6 inches of water can reach the bottom of most passenger cars causing loss of control and possible stalling.
  • Prepare your home: Trim trees that may fall and cause damage.
  • Tie down or bring indoors any objects that might be blown around by winds (outdoor furniture, decorations, garbage cans, and other loose objects that are normally left outside).
  • Follow instructions from local emergency officials and know how to safely evacuate should you be told to do so.
  • Find the latest road conditions at newengland511.org.

Learn more about staying informed, having a plan and making a kit as well as the actions to take for different severe weather events online at ReadyNH.gov.

Stay informed by following New Hampshire Homeland Security and Emergency Management on Facebook, X, formerly Twitter, (@NH_HSEM) and Instagram (@NH_HSEM).

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