Special Marine Warning – 07/31/23

Special Marine Warning
ANZ150>152-312000-
/O.NEW.KGYX.MA.W.0002.230731T1900Z-230731T2000Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Gray ME
300 PM EDT Mon Jul 31 2023

The National Weather Service in Gray Maine has issued a

• Special Marine Warning for…
  Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25
  NM…
  Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM…
  Penobscot Bay…
• Until 400 PM EDT.
• At 300 PM EDT, strong thunderstorms were located along a line
  extending from 16 nm northeast of Islesboro to 13 nm southwest of
  Rockland, moving east at 35 knots. HAZARD…Wind gusts 34 knots or greater and small hail. SOURCE…Radar. IMPACT…Small craft could be damaged in briefly higher winds and
  suddenly higher waves.
• Locations impacted include…
  Islesboro, North Haven, Vinalhaven, Isle Au Haut, Saint George,
  Rockland, Camden and Rockport.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Move to safe harbor immediately as gusty winds and high waves are
expected.

Report severe weather to the Coast Guard or the National Weather
Service.

&&

LAT…LON 4438 6882 4446 6871 4441 6871 4431 6883
4434 6879 4435 6877 4428 6868 4417 6872
4418 6870 4399 6860 4399 6947 4411 6937
4402 6926 4407 6912 4433 6899 4444 6903
4459 6873
TIME…MOT…LOC 1900Z 261DEG 34KT 4457 6876 4400 6940

HAIL…<.75IN WIND…>34KTS

$$

Legro

Severe Thunderstorm Warning for West Central Rockingham and East Central Hillsborough Counties, NH – 07/27/23

Severe Thunderstorm Warning
NHC011-015-272030-
/O.NEW.KGYX.SV.W.0026.230727T2002Z-230727T2030Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
402 PM EDT Thu Jul 27 2023

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  West central Rockingham County in southern New Hampshire…
  East central Hillsborough County in southern New Hampshire…
• Until 430 PM EDT.
• At 402 PM EDT, a severe thunderstorm was located near Manchester,
  moving east at 35 mph. HAZARD…60 mph wind gusts. SOURCE…Radar indicated. IMPACT…Expect damage to roofs, siding, and trees.
• Locations impacted include…
  Manchester, Derry, Merrimack, Bedford, Hooksett, Litchfield,
  Raymond, Goffstown, Londonderry, Hampstead, Auburn, Chester,
  Danville, Fremont, Candia, Sandown and Nottingham.

This includes the following highways…
Interstate 293 between mile markers 1 and 7.
Interstate 93 between mile markers 14 and 23.

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 4299 7153 4302 7142 4301 7140 4302 7140
4308 7116 4290 7113 4289 7151
TIME…MOT…LOC 2002Z 263DEG 29KT 4294 7146

HAIL THREAT…RADAR INDICATED
MAX HAIL SIZE…<.75 IN
WIND THREAT…RADAR INDICATED
MAX WIND GUST…60 MPH

$$
mle

Severe Thunderstorm Warning for Central Cheshire and Northwestern Hillsborough Counties, NH – 07/27/23

Severe Thunderstorm Warning
NHC005-011-271930-
/O.NEW.KGYX.SV.W.0024.230727T1845Z-230727T1930Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
245 PM EDT Thu Jul 27 2023

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  Central Cheshire County in southern New Hampshire…
  Northwestern Hillsborough County in southern New Hampshire…
• Until 330 PM EDT.
• At 245 PM EDT, a severe thunderstorm was located over Keene, moving
  east at 30 mph. HAZARD…60 mph wind gusts and nickel size hail. SOURCE…Radar indicated. IMPACT…Expect damage to roofs, siding, and trees.
• Locations impacted include…
  Keene, Jaffrey, Antrim, Dublin, Harrisville, Nelson, Marlborough,
  Roxbury, Swanzey, Sullivan, Troy, Hancock, Surry, Chesterfield,
  Westmoreland, Gilsum and Stoddard.

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 4287 7242 4299 7238 4304 7204 4289 7200
4281 7204
TIME…MOT…LOC 1845Z 271DEG 24KT 4294 7229

TORNADO…POSSIBLE
HAIL THREAT…RADAR INDICATED
MAX HAIL SIZE…0.88 IN
WIND THREAT…RADAR INDICATED
MAX WIND GUST…60 MPH

$$
MLE

Tornado Warning for Central Cheshire and Western Hillsborough Counties, NH – 07/27/23

Severe Weather Statement
National Weather Service Gray ME
259 PM EDT Thu Jul 27 2023

NHC005-011-271915-
/O.CON.KGYX.TO.W.0005.000000T0000Z-230727T1915Z/
Cheshire NH-Hillsborough NH-
259 PM EDT Thu Jul 27 2023

…A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR EAST
CENTRAL CHESHIRE AND WESTERN HILLSBOROUGH COUNTIES…

At 258 PM EDT, a confirmed tornado was located over Roxbury, or near
Keene, moving east at 30 mph.

HAZARD…Damaging tornado and quarter size hail.

SOURCE…Weather spotters confirmed tornado.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.

This tornado will be near…
Jaffrey and Harrisville around 305 PM EDT.
Dublin around 310 PM EDT.
Hancock around 320 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT…LON 4288 7223 4298 7223 4301 7201 4285 7202
TIME…MOT…LOC 1858Z 271DEG 26KT 4293 7217

TORNADO…OBSERVED
MAX HAIL SIZE…1.00 IN

$$

MLE

Flash Flood Warning for Northeastern Carroll and East Central Grafton Counties, NH – 07/27/23

Flash Flood Warning
NHC003-009-272145-
/O.NEW.KGYX.FF.W.0066.230727T1841Z-230727T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
241 PM EDT Thu Jul 27 2023

The National Weather Service in Gray has issued a

• Flash Flood Warning for…
  Northeastern Carroll County in northern New Hampshire…
  East Central Grafton County in northern New Hampshire…
• Until 545 PM EDT.
• At 241 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. The expected rainfall rate is 1
  to 2 inches in 1 hour. Flash flooding is ongoing or expected to
  begin shortly. HAZARD…Flash flooding caused by thunderstorms. SOURCE…Radar. IMPACT…Flash flooding of small creeks and streams, urban
  areas, highways, streets and underpasses as well as
  other poor drainage and low-lying areas.
• Some locations that will experience flash flooding include…
  Conway, Bethlehem, Lincoln, Franconia, Tamworth, Woodstock,
  Bartlett, Madison, Jackson and Albany.

This includes the following Rec locations…
Crawford Notch State Park, Mount Webster, Elbow Pond Recreation
Area, and Ripley Falls.

Heavy rainfall on already wet ground could lead to rapid runoff and
flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT…LON 4389 7179 4405 7179 4421 7142 4421 7139
4418 7138 4417 7136 4409 7134 4409 7131
4414 7130 4424 7125 4424 7116 4394 7104

FLASH FLOOD…RADAR INDICATED
EXPECTED RAINFALL RATE…1-2 INCHES IN 1 HOUR

$$

SJ

SKYWARN Activation Requested – 07/27/23

Good Morning,

SKYWARN Activation is requested today due to the potential for strong to severe thunderstorms and flash flooding across New Hampshire and Western Maine. The primary time period of impacts would be from 12 to 8pm. A remote weather net operator is requested. Any method possible to send in severe weather and flooding reports is acceptable, with the preferred method being population of the SKYWARN NET Reporting Google Sheet.

---

SKYWARN Activation is requested for this afternoon and evening (12pm – 8pm) to monitor the potential for strong thunderstorms and flash flooding across New Hampshire and Western Maine.

Please activate local nets as needed and help out as you can. This can include monitoring public service channels in effected areas as well as collecting reports via Amateur Radio.

Amateur Radio call ups will be made on the DMR SKYWARN Talk Group (759) throughout the afternoon and evening.

Possible SKYWARN Activation Tomorrow, Thursday, July 27th, to Monitor Severe Thunderstorm Potential

Good Afternoon,

There is a potential for severe thunderstorms and flash flooding tomorrow (Thursday, July 27th) in our region and there may be a SKYWARN activation requested tomorrow. Please monitor our Hazardous Weather Outlook and our Forecast Discussion for the most updated information. If activation is requested, we will send out an email as soon as possible.

Hazardous Weather Outlook

Area Forecast Discussion

Flash Flood Warning for Central Grafton County, NH – 07/18/23

Flash Flood Warning
NHC009-182015-
/O.NEW.KGYX.FF.W.0056.230718T1709Z-230718T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
109 PM EDT Tue Jul 18 2023

The National Weather Service in Gray has issued a

• Flash Flood Warning for…
  Central Grafton County in northern New Hampshire…
• Until 415 PM EDT.
• At 109 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 2 inches of rain
  have fallen. The expected rainfall rate is 1 to 3 inches in 1
  hour. Flash flooding is ongoing or expected to begin shortly. HAZARD…Flash flooding caused by thunderstorms. SOURCE…Radar. IMPACT…Flash flooding of small creeks and streams, urban
  areas, highways, streets and underpasses as well as
  other poor drainage and low-lying areas.
• Some locations that will experience flash flooding include…
  Lebanon, Littleton, Bethlehem, Lincoln, Hanover, Haverhill,
  Enfield, Canaan, Franconia and Groton.

This includes the following highways…
Interstate 93 between mile markers 93 and 129.

This includes the following Rec locations…
Franconia Notch, Mount Moosilauke, Cannon Mountain, North Twin
Mountain, Franconia Ridge, Mount Lafayette, Mount Garfield, AMC
Greenleaf Hut, AMC Lonesome Lake Hut, AMC Galehead Hut, AMC Zealand
Falls Hut, Carr Mountain, Long Pond Recreation Area, Elbow Pond
Recreation Area, South Kinsman Mountain, Mount Flume, Mount Liberty,
South Twin Mountain, Mount Bond, Mount Carrigan and Mount Tom.

This includes the following streams and drainages…
Ammonoosuc River UPPER CONNECTICUT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT…LON 4437 7181 4429 7162 4425 7157 4425 7147
4411 7139 4365 7215 4366 7231 4370 7230
4377 7220 4381 7218 4386 7218 4397 7209
4397 7211 4400 7212 4408 7205 4408 7203
4412 7205

FLASH FLOOD…RADAR INDICATED
EXPECTED RAINFALL RATE…1-3 INCHES IN 1 HOUR

$$

MLE

Tornado Watch for Cumberland, York, Belknap, Merrimack, Strafford, Carroll, Hillsborough, and Rockingham Counties – 07/16/23

WATCH COUNTY NOTIFICATION FOR WATCH 497
NATIONAL WEATHER SERVICE GRAY ME
1258 PM EDT SUN JUL 16 2023

MEC005-031-NHC001-003-011-013-015-017-161900-
/O.CON.KGYX.TO.A.0497.000000T0000Z-230716T1900Z/

TORNADO WATCH 497 REMAINS VALID UNTIL 3 PM EDT THIS AFTERNOON FOR
THE FOLLOWING AREAS

IN MAINE THIS WATCH INCLUDES 2 COUNTIES

IN SOUTHWEST MAINE

CUMBERLAND YORK

IN NEW HAMPSHIRE THIS WATCH INCLUDES 6 COUNTIES

IN CENTRAL NEW HAMPSHIRE

BELKNAP MERRIMACK STRAFFORD

IN NORTHERN NEW HAMPSHIRE

CARROLL

IN SOUTHERN NEW HAMPSHIRE

HILLSBOROUGH ROCKINGHAM

THIS INCLUDES THE CITIES OF ALFRED, ATKINSON, BARRINGTON,
BIDDEFORD, BOSCAWEN, BRIDGEWATER, BROOKFIELD, CANTERBURY,
CAPE ELIZABETH, CHESTER, CONCORD, DERRY, DOVER, DUNBARTON,
DURHAM, GILFORD, HAMPSTEAD, HOLLIS, JACKSON, LACONIA, LEBANON,
LOUDON, MADBURY, MANCHESTER, NASHUA, NEW GLOUCESTER, NEWTON,
OLD ORCHARD BEACH, OSSIPEE, PELHAM, PLAISTOW, PORTLAND,
ROCHESTER, ROLLINSFORD, SACO, SALEM, SANFORD, SOMERSWORTH,
SOUTH PORTLAND, TUFTONBORO, WAKEFIELD, WESTBROOK, AND WOLFEBORO.

$$

Flash Flood Warning for Northern Belknap, North Central Merrimack, North Central Strafford, Carroll, Southern Coos, and Eastern Grafton Counties – 07/16/23

Flash Flood Warning
NHC001-003-007-009-013-017-162030-
/O.NEW.KGYX.FF.W.0048.230716T1432Z-230716T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
1032 AM EDT Sun Jul 16 2023

The National Weather Service in Gray has issued a

• Flash Flood Warning for…
  Northern Belknap County in central New Hampshire…
  North Central Merrimack County in central New Hampshire…
  North Central Strafford County in central New Hampshire…
  Carroll County in northern New Hampshire…
  Southern Coos County in northern New Hampshire…
  Eastern Grafton County in northern New Hampshire…
• Until 430 PM EDT.
• At 1032 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. The expected rainfall rate is 2
  to 3 inches in 1 hour. This rain is falling on areas with
  saturated ground cover. Additional rainfall is expected through
  the afternoon. Flash flooding is expected to begin shortly. HAZARD…Flash flooding caused by thunderstorms. SOURCE…Radar. IMPACT…Flash flooding of small creeks and streams, urban
  areas, highways, streets and underpasses as well as
  other poor drainage and low-lying areas.
• Some locations that will experience flash flooding include…
  Conway, Berlin, Fryeburg, Bethlehem, Lincoln, Moultonborough,
  Ossipee, Plymouth, Grafton and Alton.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT…LON 4355 7204 4434 7161 4458 7103 4354 7096
4348 7102 4352 7119 4373 7148 4355 7171
4357 7176 4354 7182 4361 7185 4355 7192

FLASH FLOOD…RADAR INDICATED
EXPECTED RAINFALL RATE…2-3 INCHES IN 1 HOUR

$$

SJ