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Home Return to list Severe Thunderstorm Warning 0014 Issued by the Gray / Portland Forecast Office
Action: New Issued At: 2026-06-18 15:21:29
525
WUUS51 KGYX 182021
SVRGYX
MEC001-005-017-031-NHC001-003-013-015-017-182115-
/O.NEW.KGYX.SV.W.0014.260618T2021Z-260618T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
421 PM EDT Thu Jun 18 2026
The National Weather Service in Gray Maine has issued a
* Severe Thunderstorm Warning for...
York County in southwestern Maine...
Southern Oxford County in western Maine...
Androscoggin County in southwestern Maine...
Cumberland County in southwestern Maine...
Northwestern Rockingham County in southern New Hampshire...
Strafford County in central New Hampshire...
Southeastern Belknap County in central New Hampshire...
East central Merrimack County in central New Hampshire...
Southeastern Carroll County in northern New Hampshire...
* Until 515 PM EDT.
* At 420 PM EDT, severe thunderstorms were located along a line
extending from 12 miles north of Fryeburg to near Wolfeboro to near
Concord, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Lewiston, Rochester, Auburn, Biddeford, Westbrook, Durham, Conway,
Bridgton, Fryeburg, Mechanic Falls, Alfred, Bethel, Sanford,
Naples, Ossipee, Northwood, Turner, Dover, Cumberland, and Saco.
This includes Interstate 95 between mile markers 58 and 82.
This also includes...
Sebago Lake, Pleasant Mountain, Burnt Meadow Mountains, Long Lake,
and Albany Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
A Tornado Watch remains in effect until 700 PM EDT for western and
southwestern Maine...and central, northern and southern New
Hampshire.
&&
LAT...LON 4315 7144 4439 7090 4436 7012 4434 7010
4432 7010 4430 7008 4421 7008 4420 7006
4315 7075
TIME...MOT...LOC 2020Z 275DEG 37KT 4423 7097 4355 7114 4317 7160
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLE
Action: Continued Issued At: 2026-06-18 16:01:31
728
WWUS51 KGYX 182101
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
501 PM EDT Thu Jun 18 2026
MEC001-017-NHC001-003-013-182110-
/O.CAN.KGYX.SV.W.0014.000000T0000Z-260618T2115Z/
Oxford ME-Androscoggin ME-Belknap NH-Merrimack NH-Carroll NH-
501 PM EDT Thu Jun 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OXFORD...
ANDROSCOGGIN...SOUTHEASTERN BELKNAP...EAST CENTRAL MERRIMACK AND
SOUTHEASTERN CARROLL COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for southwestern
Maine...and southern and central New Hampshire.
&&
LAT...LON 4317 7074 4316 7114 4353 7076 4393 7059
4393 7024
TIME...MOT...LOC 2100Z 275DEG 37KT 4420 7049 4352 7066 4314 7112
$$
MEC005-031-NHC015-017-182115-
/O.CON.KGYX.SV.W.0014.000000T0000Z-260618T2115Z/
York ME-Cumberland ME-Rockingham NH-Strafford NH-
501 PM EDT Thu Jun 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR CENTRAL YORK...CENTRAL CUMBERLAND...NORTHERN ROCKINGHAM AND
SOUTHEASTERN STRAFFORD COUNTIES...
At 500 PM EDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Mechanic Falls to near Alfred to
6 miles southwest of Barrington, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rochester, Biddeford, Alfred, Sanford, Naples, Dover, Cumberland,
Saco, Gorham, Somersworth, Falmouth, Kennebunk, Barrington, Buxton,
Gray, Berwick, Lebanon, Hollis, South Berwick, and Raymond.
This also includes...
Sebago Lake.
This includes Interstate 95 between mile markers 59 and 66.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM EDT for southwestern
Maine...and southern and central New Hampshire.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4317 7074 4316 7114 4353 7076 4393 7059
4393 7024
TIME...MOT...LOC 2100Z 275DEG 37KT 4420 7049 4352 7066 4314 7112
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Action: Cancelled Issued At: 2026-06-18 16:01:31
728
WWUS51 KGYX 182101
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
501 PM EDT Thu Jun 18 2026
MEC001-017-NHC001-003-013-182110-
/O.CAN.KGYX.SV.W.0014.000000T0000Z-260618T2115Z/
Oxford ME-Androscoggin ME-Belknap NH-Merrimack NH-Carroll NH-
501 PM EDT Thu Jun 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OXFORD...
ANDROSCOGGIN...SOUTHEASTERN BELKNAP...EAST CENTRAL MERRIMACK AND
SOUTHEASTERN CARROLL COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for southwestern
Maine...and southern and central New Hampshire.
&&
LAT...LON 4317 7074 4316 7114 4353 7076 4393 7059
4393 7024
TIME...MOT...LOC 2100Z 275DEG 37KT 4420 7049 4352 7066 4314 7112
$$
MEC005-031-NHC015-017-182115-
/O.CON.KGYX.SV.W.0014.000000T0000Z-260618T2115Z/
York ME-Cumberland ME-Rockingham NH-Strafford NH-
501 PM EDT Thu Jun 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR CENTRAL YORK...CENTRAL CUMBERLAND...NORTHERN ROCKINGHAM AND
SOUTHEASTERN STRAFFORD COUNTIES...
At 500 PM EDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Mechanic Falls to near Alfred to
6 miles southwest of Barrington, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rochester, Biddeford, Alfred, Sanford, Naples, Dover, Cumberland,
Saco, Gorham, Somersworth, Falmouth, Kennebunk, Barrington, Buxton,
Gray, Berwick, Lebanon, Hollis, South Berwick, and Raymond.
This also includes...
Sebago Lake.
This includes Interstate 95 between mile markers 59 and 66.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM EDT for southwestern
Maine...and southern and central New Hampshire.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4317 7074 4316 7114 4353 7076 4393 7059
4393 7024
TIME...MOT...LOC 2100Z 275DEG 37KT 4420 7049 4352 7066 4314 7112
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Action: Expired Issued At: 2026-06-18 16:07:46
854
WWUS51 KGYX 182107
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
507 PM EDT Thu Jun 18 2026
MEC005-031-NHC015-017-182117-
/O.EXP.KGYX.SV.W.0014.000000T0000Z-260618T2115Z/
York ME-Cumberland ME-Rockingham NH-Strafford NH-
507 PM EDT Thu Jun 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL YORK...CENTRAL
CUMBERLAND...NORTHERN ROCKINGHAM AND SOUTHEASTERN STRAFFORD COUNTIES
WILL EXPIRE AT 515 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 700 PM EDT for southwestern
Maine...and southern and central New Hampshire.
&&
LAT...LON 4317 7074 4316 7114 4353 7076 4393 7059
4393 7024
TIME...MOT...LOC 2107Z 275DEG 37KT 4419 7040 4351 7058 4313 7104
$$
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