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Home Return to list Severe Thunderstorm Warning 0009 Issued by the Gray / Portland Forecast Office
Action: New Issued At: 2025-06-06 14:12:40 367 WUUS51 KGYX 061912 SVRGYX NHC013-062000- /O.NEW.KGYX.SV.W.0009.250606T1912Z-250606T2000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Gray ME 312 PM EDT Fri Jun 6 2025 The National Weather Service in Gray Maine has issued a * Severe Thunderstorm Warning for... Southeastern Merrimack County in central New Hampshire... * Until 400 PM EDT. * At 311 PM EDT, a severe thunderstorm was located over Hopkinton, or near Henniker, moving east at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hopkinton, Henniker, Concord, Bow, Pembroke, Webster, Boscawen, Warner, Canterbury, Dunbarton, Allenstown, and Loudon. This includes the following highways... Interstate 89 between mile markers 0 and 16. Interstate 93 between mile markers 32 and 46. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4313 7166 4315 7167 4314 7174 4314 7184 4325 7187 4334 7150 4312 7142 TIME...MOT...LOC 1911Z 261DEG 16KT 4321 7174 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Palmer Action: Continued Issued At: 2025-06-06 14:40:12 121 WWUS51 KGYX 061940 SVSGYX Severe Weather Statement National Weather Service Gray ME 340 PM EDT Fri Jun 6 2025 NHC013-062000- /O.CON.KGYX.SV.W.0009.000000T0000Z-250606T2000Z/ Merrimack NH- 340 PM EDT Fri Jun 6 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR SOUTHEASTERN MERRIMACK COUNTY... At 339 PM EDT, a severe thunderstorm was located over Concord, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Hopkinton, Concord, Pembroke, Bow, Webster, Allenstown, Boscawen, Dunbarton, Canterbury, and Loudon. This includes the following highways... Interstate 89 between mile markers 0 and 12. Interstate 93 between mile markers 32 and 45. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4318 7172 4327 7174 4332 7150 4312 7142 4315 7167 TIME...MOT...LOC 1939Z 261DEG 16KT 4323 7157 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Palmer Action: Expired Issued At: 2025-06-06 14:56:12 646 WWUS51 KGYX 061955 SVSGYX Severe Weather Statement National Weather Service Gray ME 355 PM EDT Fri Jun 6 2025 NHC013-062005- /O.EXP.KGYX.SV.W.0009.000000T0000Z-250606T2000Z/ Merrimack NH- 355 PM EDT Fri Jun 6 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERRIMACK COUNTY WILL EXPIRE AT 400 PM EDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, heavy rain is still possible with this thunderstorm. && LAT...LON 4318 7172 4327 7174 4332 7150 4312 7142 4315 7167 TIME...MOT...LOC 1955Z 261DEG 16KT 4324 7147 $$ Palmer |