Severe Thunderstorm Warning Update

Severe Weather Statement
National Weather Service Gray ME
752 PM EDT Wed May 26 2021

MEC031-NHC015-017-270001-
/O.EXP.KGYX.SV.W.0012.000000T0000Z-210527T0000Z/
York ME-Rockingham NH-Strafford NH-
752 PM EDT Wed May 26 2021

…THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YORK…
SOUTHEASTERN ROCKINGHAM AND SOUTHEASTERN STRAFFORD COUNTIES WILL
EXPIRE AT 800 PM EDT…

The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southwestern Maine…and southern and central New Hampshire.

LAT…LON 4303 7095 4358 7045 4353 7031 4356 7020
4361 7021 4362 7006 4358 7016 4351 7020
4349 7033 4342 7030 4333 7039 4329 7052
4315 7055 4298 7071 4285 7078 4289 7092
4285 7105
TIME…MOT…LOC 2351Z 276DEG 51KT 4343 7007 4306 7033 4262 7055

$$

Clair

Severe Thunderstorm Warning for Northern York, Southwestern Oxford, Western Cumberland, Northwestern Strafford, and Southeastern Carroll Counties

Severe Thunderstorm Warning
MEC005-017-031-NHC003-017-262330-
/O.NEW.KGYX.SV.W.0011.210526T2230Z-210526T2330Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
630 PM EDT Wed May 26 2021

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  Northern York County in southwestern Maine…
  Southwestern Oxford County in western Maine…
  Western Cumberland County in southwestern Maine…
  Northwestern Strafford County in central New Hampshire…
  Southeastern Carroll County in northern New Hampshire…
• Until 730 PM EDT.
• At 629 PM EDT, severe thunderstorms were located along a line
  extending from 8 miles south of Fryeburg to near Alton, moving
  east at 50 mph. These storms will move into southern Maine shortly
  along with damaging winds. Damging winds have been reported with
  this line of storms. HAZARD…60 mph wind gusts. SOURCE…Radar indicated. IMPACT…Expect damage to roofs, siding, and trees.
• Locations impacted include…
  Biddeford, Conway, Bridgton, Alfred, Ossipee, Naples, Sanford,
  Saco, Gorham, Falmouth, Buxton, Gray, Lebanon, Hollis, Hiram,
  Effingham, Cornish, Standish, Raymond and Waterboro.

This includes Interstate 95 between mile markers 60 and 73.

This also includes…
Sebago Lake, Burnt Meadow Mountains, Peary Mountain, Douglas
Mountain, and Mount Cutler.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4351 7119 4354 7116 4356 7122 4396 7101
4403 7047 4399 7041 4400 7039 4399 7036
4404 7032 4399 7025 4376 7036 4346 7053
4344 7118
TIME…MOT…LOC 2229Z 259DEG 36KT 4389 7099 4346 7129

HAIL…<.75IN
WIND…60MPH

$$

Ekster

Severe Thunderstorm Warning for Northwestern Strafford, Southeastern Grafton, Belknap, Northern Merrimack, and Southern Carroll Counties, NH

Severe Thunderstorm Warning
NHC001-003-009-013-017-262245-
/O.NEW.KGYX.SV.W.0009.210526T2152Z-210526T2245Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
552 PM EDT Wed May 26 2021

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  Northwestern Strafford County in central New Hampshire…
  Southeastern Grafton County in northern New Hampshire…
  Belknap County in central New Hampshire…
  Northern Merrimack County in central New Hampshire…
  Southern Carroll County in northern New Hampshire…
• Until 645 PM EDT.
• At 550 PM EDT, severe thunderstorms were located along a line
  extending from near Sandwich to near Danbury to near New London to
  near Bradford, moving east at 55 mph. HAZARD…60 mph wind gusts. This storm has already produced
  damaging winds in several towns. SOURCE…Radar indicated. IMPACT…Expect damage to roofs, siding, and trees.
• Locations impacted include…
  Laconia, Franklin, Moultonborough, Plymouth, Ossipee, Meredith, New
  London, Farmington, Loudon, Alton, Barnstead, Gilmanton,
  Canterbury, Holderness, Ashland, Effingham, Danbury, Groton,
  Wolfeboro and Tamworth.

This includes the following highways…
Interstate 89 between mile markers 26 and 31.
Interstate 93 between mile markers 51 and 83.

This also includes…
Lake Winnipesaukee, Squam Lake, and Mount Kearsage.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4343 7197 4354 7187 4379 7176 4391 7100
4357 7097 4355 7095 4349 7097 4344 7096
4341 7099 4333 7201
TIME…MOT…LOC 2150Z 257DEG 47KT 4378 7147 4353 7179 4343 7194 4335
7198

HAIL…<.75IN
WIND…60MPH

$$

Ekster

Severe Thunderstorm Warning for Southern Sullivan, Cheshire, Northwestern Hillsborough, and Southwestern Merrimack Counties, NH

Severe Thunderstorm Warning
NHC005-011-013-019-262200-
/O.NEW.KGYX.SV.W.0008.210526T2114Z-210526T2200Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
514 PM EDT Wed May 26 2021

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  Southern Sullivan County in central New Hampshire…
  Cheshire County in southern New Hampshire…
  Northwestern Hillsborough County in southern New Hampshire…
  Southwestern Merrimack County in central New Hampshire…
• Until 600 PM EDT.
• At 514 PM EDT, severe thunderstorms were located along a line
  extending from 11 miles west of Charlestown to 12 miles west of
  Chesterfield to 20 miles southwest of Hinsdale, moving east at 45
  mph. HAZARD…60 mph wind gusts. SOURCE…Radar indicated. IMPACT…Expect damage to roofs, siding, and trees.
• Locations impacted include…
  Keene, Jaffrey, Henniker, Peterborough, Rindge, Charlestown,
  Winchester, Antrim, Greenfield, Bradford, Dublin, Bennington,
  Richmond, Harrisville, Nelson, Walpole, Alstead, Westmoreland,
  Swanzey and Marlow.

This includes Interstate 89 between mile markers 17 and 25.

This also includes…
Mount Monadnock and Mount Sunapee.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4292 7252 4295 7253 4297 7248 4300 7244
4305 7247 4308 7244 4312 7243 4315 7246
4323 7243 4325 7244 4328 7241 4336 7174
4292 7193 4271 7207 4273 7246 4277 7249
4277 7252 4278 7251 4281 7254 4287 7256
TIME…MOT…LOC 2114Z 268DEG 38KT 4318 7264 4293 7269 4267 7287

HAIL…<.75IN
WIND…60MPH

$$

Ekster

Severe Thunderstorm Warning for Northern Sullivan, Southwestern Grafton, and Northwestern Merrimack Counties, NH

Severe Weather Statement
National Weather Service Gray ME
536 PM EDT Wed May 26 2021

NHC009-013-019-262200-
/O.CON.KGYX.SV.W.0007.000000T0000Z-210526T2200Z/
Sullivan NH-Grafton NH-Merrimack NH-
536 PM EDT Wed May 26 2021

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHERN SULLIVAN…SOUTHWESTERN GRAFTON AND NORTHWESTERN
MERRIMACK COUNTIES…

At 536 PM EDT, a severe thunderstorm was located near Grafton, or 8
miles north of New London, moving east at 45 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

Locations impacted include…
Claremont, Lebanon, Franklin, New London, Plymouth, Grafton, Hanover,
Charlestown, Enfield, Canaan, Holderness, Ashland, Danbury, Groton,
Newport, Warner, Bristol, Grantham, Andover and Cornish.

This also includes…
Mount Kearsage.

This includes the following highways…
Interstate 89 between mile markers 26 and 59.
Interstate 93 between mile markers 73 and 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4328 7241 4368 7228 4382 7159 4362 7166
4360 7169 4359 7173 4356 7173 4353 7169
4336 7174
TIME…MOT…LOC 2136Z 260DEG 39KT 4354 7203

HAIL…<.75IN
WIND…60MPH

$$

Severe Thunderstorm Watch Update 05/26/2021

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 208
NWS STORM PREDICTION CENTER NORMAN OK
355 PM EDT WED MAY 26 2021

SEVERE THUNDERSTORM WATCH 208 IS IN EFFECT UNTIL 1100 PM EDT
FOR THE FOLLOWING LOCATIONS

NHC001-003-005-007-009-011-013-015-017-019-270300-
/O.NEW.KWNS.SV.A.0208.210526T1955Z-210527T0300Z/

NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE

BELKNAP CARROLL CHESHIRE
COOS GRAFTON HILLSBOROUGH
MERRIMACK ROCKINGHAM STRAFFORD
SULLIVAN
$$

ATTN…WFO…BOX…GYX…
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 208
NWS STORM PREDICTION CENTER NORMAN OK
355 PM EDT WED MAY 26 2021

SEVERE THUNDERSTORM WATCH 208 IS IN EFFECT UNTIL 1100 PM EDT
FOR THE FOLLOWING LOCATIONS

MEC005-017-031-270300-
/O.NEW.KWNS.SV.A.0208.210526T1955Z-210527T0300Z/

ME
. MAINE COUNTIES INCLUDED ARE

CUMBERLAND OXFORD YORK

SKYWARN Activation Requested 05/26/2021

GYX SKYWARN Team,

With severe thunderstorms expected this afternoon, we are requesting SKYWARN Activation for reports of wind / wind damage, hail, tornadoes, and flooding during the period 3PM-9PM.

Thank you for your help!
NWS Gray, ME

National Weather Service Gray
207-688-4081 – Operations
http://www.weather.gov/gyx

---

As mentioned last evening, showers and thunderstorms will enter the region during the mid to late afternoon hours in New Hampshire before spreading east. A few of the storms could produce damaging winds and hail. An isolated tornado is possible. Isolated power outages are also possible.

SKYWARN Amateur Radio ops will begin this afternoon on the DMR SKYWARN Talk Group to capture reports from New Hampshire, and will move to the W1QUI 147.090 (+ /100 Hz) and KQ1L 146.880 (- / 100 Hz) repeaters later in the afternoon / evening as the severe weather progresses eastward. Please activate local and county level SKYWARN nets as needed.

Below are links to the NWS Gray Hazardous Weather Outlook and Area Forecast Discussion:

Hazardous Weather Outlook
Area Forecast Discussion
Net Control Scripts for severe weather events are available here.

Be alert and stay safe.

73′

Tim Watson
KB1HNZ

Strong Thunderstorms Possible Wednesday – Spotter Activation Likely

Hazardous Weather Outlook
National Weather Service Gray ME
414 PM EDT Tue May 25 2021

ANZ150>154-262015-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
Penobscot Bay-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
Casco Bay-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
414 PM EDT Tue May 25 2021

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE…Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN…Wednesday through Monday.

Strong thunderstorms producing strong gusty winds and hail are
possible Wednesday evening.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will likely be needed.

$$
Hazardous Weather Outlook
National Weather Service Gray ME
414 PM EDT Tue May 25 2021

MEZ007>009-012>014-018>028-033-NHZ001>015-262015-
Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford-
Southern Franklin-Southern Somerset-Interior York-
Central Interior Cumberland-Androscoggin-Kennebec-Interior Waldo-
Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-Coastal Waldo-
Interior Cumberland Highlands-Northern Coos-Southern Coos-
Northern Grafton-Northern Carroll-Southern Grafton-Southern Carroll-
Sullivan-Merrimack-Belknap-Strafford-Cheshire-Eastern Hillsborough-
Interior Rockingham-Coastal Rockingham-
Western And Central Hillsborough-
414 PM EDT Tue May 25 2021

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

.DAY ONE…Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN…Wednesday through Monday.

Showers and thunderstorms will enter the region during the mid to
late afternoon hours in New Hampshire before spreading east. A few
of the storms could produce damaging winds and hail. An isolated
tornado is possible. Isolated power outages possible.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will likely be needed.

$$