SKYWARN Self-Activation to Monitor Major Winter Storm 12/05/20

… HEAVY SNOW POSSIBLE THIS WEEKEND…

A low pressure will intensify as it tracks near Cape Cod on Saturday. As it does so, it will spread rain and snow across northern New England. Rain changes to snow as colder air gets pulled into the storm during the day Saturday, with snow making it all the way to the coast. Significant snowfall accumulations are expected for parts of the area. A heavy, wet snow will stick efficiently to trees which could cause downed branches and power outages.

SKYWARN Self-Activation will monitor the major winter storm Saturday while also participating in 2020 SKYWARN Recognition Day.

Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. Please activate local nets as necessary. Nets are expected to commence Saturday afternoon on the KQ1L link system and 147.090 repeater in Maine, as the storm dictates.

As always, please monitor the Hazardous Weather Outlook for updates.

2020 SKYWARN Recognition Day

2020 SKYWARN Recognition Day

December 5, 2020 from 0000z to 2400z

SKYWARN™ Recognition Day was developed in 1999 by the National Weather Service and the American Radio Relay League. It celebrates the contributions that volunteer SKYWARN™ radio operators make to the National Weather Service.

Due to COVID-19 restrictions, this year we will not have access to the NWS Gray facility. Participants are encouraged to operate from their own homes.

If you’d like to use the WX1GYX call sign during the event, please click here to sign up for a time/band slot.

Participants are asked to log contacts in an electronic logging program and submit to kb1hnz@yahoo.com in an ADIF format.

During the periods that you’re not using the WX1GYX call sign, operators are encouraged to use their personal call signs and exchange their name, SRD number, and current weather conditions with other participating stations. The event website provides complete operating guidelines.

Radio amateurs may sign up for a SKYWARN Recognition Day number by completing a participant sign-up form.

73′

Tim Watson

KB1HNZ

---

Microburst Confirmed Near Wolfeboro, NH on 08/22/20

000
NOUS41 KGYX 232145
PNSGYX
MEZ007>009-012>014-018>028-033-NHZ001>015-240145-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
545 PM EDT SUN AUG 23 2020

…MICROBURST CONFIRMED NEAR WOLFEBORO IN CARROLL COUNTY NEW
HAMPSHIRE…

LOCATION…WOLFEBORO IN CARROLL COUNTY NEW HAMPSHIRE
DATE…08/22/2020
ESTIMATED TIME…1250 PM EDT
ESTIMATED MAXIMUM WIND SPEED…80 MPH
MAXIMUM PATH WIDTH…100 YARDS
PATH LENGTH…0.5 MILES
BEGINNING LAT/LON…43.611 / -71.255
ENDING LAT/LON…43.610 / -71.253

• FATALITIES…0
• INJURIES…0
• THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
  CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN
  NWS STORM DATA.

…SUMMARY…
THE NATIONAL WEATHER SERVICE IN GRAY ME HAS CONFIRMED A
MICROBURST NEAR WOLFEBORO IN CARROLL COUNTY NEW HAMPSHIRE ON
08/22/2020.

A SUPERCELL STORM PASSED ALONG THE NORTHERN SHORE OF LAKE
WINNIPESAUKEE ON SATURDAY, PRODUCING AT LEAST ONE WATERSPOUT OVER
THE LAKE AS WELL AS DAMAGING WIND GUSTS OVER LAND. LOCAL EMERGENCY
PERSONNEL NOTED THE VERY ISOLATED NATURE OF DAMAGE WITH THIS STORM
WITH THE SURVEY FINDING NO OTHER DAMAGE ALONG ITS PATH IN THAT
AREA. APPROXIMATELY 14 TREES, MOST OF WHICH WERE LARGE, HEALTHY
PINES, WERE UPROOTED OR OTHERWISE DOWNED WHICH IMPACTED A SEASONAL
LODGE SITE NEAR WINTER HARBOR AND NORTH MAIN STREET. FOUR CAMPS
AND TWO VEHICLES WERE DAMAGED OR DESTROYED AS A RESULT. WITNESSES
DESCRIBE A DELUGE OF HEAVY RAINFALL FOLLOWED BY A RUSH OF STRONG
WINDS WHICH BROUGHT DOWN THE TREES IN ONE DIRECTION, CONSISTENT
WITH A MICROBURST. MEANWHILE, A TRAINED OBSERVER ABOUT 3.5 MILES
TO THE SOUTHEAST OF THE MICROBURST NEVER EXCEEDED 10 MPH OF WIND
DESPITE BEING ALMOST DIRECTLY UNDER THE CORE OF THE STORM.

THIS INFORMATION CAN ALSO BE FOUND ON OUR WEBSITE AT
WWW.WEATHER.GOV/GYX.

FOR REFERENCE:
A MICROBURST IS A CONVECTIVE DOWNDRAFT WITH AN AFFECTED OUTFLOW
AREA OF LESS THAN 2 1/2 MILES WIDE AND PEAK WINDS LASTING LESS
THAN 5 MINUTES. MICROBURSTS MAY INDUCE DANGEROUS HORIZONTAL AND
VERTICAL WIND SHEARS, WHICH CAN ADVERSELY AFFECT AIRCRAFT
PERFORMANCE AND CAUSE PROPERTY DAMAGE. STRAIGHT-LINE WINDS ARE
GENERALLY ANY WIND THAT IS NOT ASSOCIATED WITH ROTATION, USED
MAINLY TO DIFFERENTIATE THEM FROM TORNADIC WINDS.

$$

MEC

Severe Thunderstorm Warning for Central York County, ME 07/14/20

Severe Thunderstorm Warning
MEC031-141400-
/O.NEW.KGYX.SV.W.0086.200714T1312Z-200714T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
912 AM EDT Tue Jul 14 2020

The National Weather Service in Gray Maine has issued a

* Severe Thunderstorm Warning for...
  Central York County in southwestern Maine...

* Until 1000 AM EDT.

* At 912 AM EDT, a severe thunderstorm was located near Alfred,
  moving northeast at 10 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail
           damage to roofs, siding, windows, and vehicles. Expect
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Biddeford, Alfred, Sanford, Saco, Kennebunk, Buxton, Hollis,
  Kennebunkport, Waterboro, Old Orchard Beach, Wells, Lyman, Arundel
  and Dayton.

This includes Interstate 95 between mile markers 24 and 36.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4336 7062 4344 7078 4364 7062 4352 7040
      4343 7049
TIME...MOT...LOC 1312Z 221DEG 9KT 4342 7067

HAIL...1.50IN
WIND...60MPH

$$

Ekster

Flash Flood Warning for Northwestern Grafton County, NH 07/14/20

Flash Flood Warning
NHC009-141345-
/O.NEW.KGYX.FF.W.0016.200714T1046Z-200714T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
646 AM EDT Tue Jul 14 2020

The National Weather Service in Gray Maine has issued a

* Flash Flood Warning for...
  Northwestern Grafton County in northern New Hampshire...

* Until 945 AM EDT.

* At 645 AM EDT, Doppler radar and automated gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to
  three inches of rain has fallen. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Haverhill, Piermont, Lisbon, Bath, Benton, Landaff, Orford, Lyman
  and Monroe.

Additional rainfall amounts of one to two inches are possible in the
warned area.

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.

&&

LAT...LON 4392 7212 4394 7212 4396 7210 4399 7212
      4401 7211 4403 7208 4407 7205 4408 7203
      4409 7205 4410 7203 4410 7205 4411 7206
      4413 7203 4419 7207 4424 7205 4421 7184
      4391 7194 4388 7217

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

ES

Flash Flood Warning for Northern Belknap, Southwestern Carroll, Southwestern Coos, and Central Grafton Counties, NH 07/14/20

Flash Flood Warning
NHC001-003-007-009-141500-
/O.NEW.KGYX.FF.W.0017.200714T1153Z-200714T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
753 AM EDT Tue Jul 14 2020

The National Weather Service in Gray has issued a

* Flash Flood Warning for...
  Northern Belknap County in central New Hampshire...
  Southwestern Carroll County in northern New Hampshire...
  Southwestern Coos County in northern New Hampshire...
  Central Grafton County in northern New Hampshire...

* Until 1100 AM EDT.

* At 753 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Laconia, Littleton, Bethlehem, Lincoln, Plymouth, Meredith,
  Moultonborough, Ossipee, Alton, and Haverhill.

This includes the following Rec locations...
Lake Winnipesaukee, Franconia Notch, Mount Moosilauke, Cannon
Mountain, North Twin Mountain, Franconia Ridge, Squam Lake, Mount
Lafayette, Mount Garfield, Mount Whiteface, AMC Greenleaf Hut, AMC
Lonesome Lake Hut, AMC Galehead Hut, Carr Mountain, Stinson
Mountain, Long Pond Recreation Area, Elbow Pond Recreation Area,
South Kinsman Mountain, Mount Flume, Mount Liberty, Mount Bond,
Mount Osceola, Mount Tecumseh, Welch Mountain, Dickey Mountain, The
Tripyramids, and Greeley Ponds.

This includes the following highways...
Interstate 93 between mile markers 59 and 123.

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 4369 7173 4415 7204 4416 7204 4419 7207
      4421 7206 4435 7166 4360 7115 4347 7160
      4358 7167

FLASH FLOOD...RADAR INDICATED

$$

Cempa

Flash Flood Warning for Central Carroll, Southern Coos, and Northeastern Grafton Counties, NH 07/14/20

Flash Flood Warning
NHC003-007-009-141715-
/O.NEW.KGYX.FF.W.0018.200714T1214Z-200714T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gray ME
814 AM EDT Tue Jul 14 2020

The National Weather Service in Gray has issued a

* Flash Flood Warning for...
  Central Carroll County in northern New Hampshire...
  Southern Coos County in northern New Hampshire...
  Northeastern Grafton County in northern New Hampshire...

* Until 115 PM EDT.

* At 814 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is ongoing or
  expected to begin shortly. Local rainfall rates of 1 to 3 inches
  per hour are expected at times.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Conway, Berlin, Lancaster, Bethlehem, Lincoln, Moultonborough,
  Ossipee, Effingham, Franconia, and Errol.

This includes the following Rec locations...
Crawford Notch State Park, Kilkenny Ridge Trail, North Twin
Mountain, Mount Jefferson, Mount Madison, Mount Eisenhower, Mount
Chocorua, Wildcat Mountain, Carter Notch, Pontook Reservoir, Moose
Brook State Park, Mount Adams, Mount Isolation, AMC Highland Center,
Mount Webster, Mount Moriah, AMC Zealand Falls Hut, AMC Mizpah
Spring Hut, AMC Lake of the Clouds Hut, AMC Madison Spring Hut, AMC
Carter Notch Hut, Percy Peaks, Mount Cabot, South Pond Recreation
Area, Milan Hill, Jericho Mountain, South Twin Mountain, Mount
Carrigan, Mount Willey, Mount Tom, Mount Field, Mount Jackson,
Arethusa Falls, Ripley Falls, Mount Passaconaway, Sabbaday Falls,
Champney Falls, Rocky Gorge Scenic Area, and Lower Falls Recreation
Area.

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 7168 4472 7144 4481 7120 4465 7104
      4434 7112 4403 7114 4388 7102 4371 7101
      4366 7119

FLASH FLOOD...RADAR INDICATED

$$

Ekster

Winter Storm Warning for Western and Central Hillsborough and Cheshire Counties NH

URGENT – WINTER WEATHER MESSAGE
National Weather Service Gray ME
540 AM EST Mon Dec 30 2019

…WINTRY WEATHER EXPECTED THROUGH TUESDAY…

.A slow moving low pressure system will spread a mix of
precipitation types across the region through Tuesday. A mix of
snow, sleet, and freezing rain is expected across southern New
Hampshire, with snow and sleet elsewhere. This will result in
slippery travel today and Tuesday for many areas.

Cheshire-Western And Central Hillsborough-
Including the cities of Gilsum, Keene, Marlow, Sullivan, Surry,
Jaffrey, Amherst, Milford, Mont Vernon, Goffstown, Peterborough,
Sharon, Hollis, and Weare
540 AM EST Mon Dec 30 2019

…WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST
TUESDAY…

• WHAT…Heavy mixed precipitation. Additional snow
  accumulations of 2 to 4 inches and ice accumulations of up to
  three tenths of an inch.
• WHERE…Western and Central Hillsborough and Cheshire Counties.
• WHEN…Until 1 PM EST Tuesday.
• IMPACTS…Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.
• ADDITIONAL DETAILS…Ice may vary significantly by elevation
  with higher terrain up to half an inch of ice possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

For a more precise forecast for your specific location…go to
http://www.weather.gov/gray..

&&

$$

Winter Storm Warning for Sullivan and Merrimack Counties NH

URGENT – WINTER WEATHER MESSAGE
National Weather Service Gray ME
540 AM EST Mon Dec 30 2019

…WINTRY WEATHER EXPECTED THROUGH TUESDAY…

.A slow moving low pressure system will spread a mix of
precipitation types across the region through Tuesday. A mix of
snow, sleet, and freezing rain is expected across southern New
Hampshire, with snow and sleet elsewhere. This will result in
slippery travel today and Tuesday for many areas.

Sullivan-Merrimack-
Including the cities of Claremont, Cornish, Unity, Croydon,
Goshen, Grantham, Lempster, Newport, Charlestown, Boscawen,
Canterbury, Concord, Dunbarton, Loudon, and Hooksett
540 AM EST Mon Dec 30 2019

…WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM EST
TUESDAY…

• WHAT…Heavy mixed precipitation. Additional snow
  accumulations of 3 to 5 inches for a storm total of 4 to 7
  inches and ice accumulations of around one tenth of an inch.
• WHERE…Merrimack and Sullivan Counties.
• WHEN…Until 1 PM EST Tuesday.
• IMPACTS…Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.
• ADDITIONAL DETAILS…Some freezing drizzle is possible this
  evening before additional snow moves in tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

For a more precise forecast for your specific location…go to
http://www.weather.gov/gray..

&&

$$

Winter Storm Warning for Coastal York and Coastal Cumberland Counties

URGENT – WINTER WEATHER MESSAGE
National Weather Service Gray ME
540 AM EST Mon Dec 30 2019

…WINTRY WEATHER EXPECTED THROUGH TUESDAY…

.A slow moving low pressure system will spread a mix of
precipitation types across the region through Tuesday. A mix of
snow, sleet, and freezing rain is expected across southern New
Hampshire, with snow and sleet elsewhere. This will result in
slippery travel today and Tuesday for many areas.

Coastal York-Coastal Cumberland-
Including the cities of Biddeford, Saco, Old Orchard Beach,
Kittery, Portland, Cape Elizabeth, South Portland, Westbrook,
Yarmouth, and Brunswick
540 AM EST Mon Dec 30 2019

…WINTER STORM WARNING IN EFFECT UNTIL 1 PM EST TUESDAY…

• WHAT…Heavy snow. Additional snow accumulations of 5 to 7
  inches for a storm total of 6 to 9 inches. Winds gusting as
  high as 35 mph.
• WHERE…Coastal York and Coastal Cumberland Counties.
• WHEN…Until 1 PM EST Tuesday.
• IMPACTS…Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

For a more precise forecast for your specific location…go to
http://www.weather.gov/gray..

&&

$$