SKYWARN Activation Requested for this Afternoon – 8:00PM – 08/04/23

Good Afternoon,

SKYWARN Activation is requested this afternoon due to the potential for severe thunderstorms and flash flooding beginning now and continuing through 8pm.

A remote weather net operator is requested. Any method possible to send in reports is acceptable, with the preferred method being population of the SKYWARN NET Reporting Google Sheet.

For coordination, please access NWSChat “state-me-nh-skywarn” channel.

Thank you,
NWS Gray

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

Severe Thunderstorm Warning for West Central Grafton County, NH – 08/04/23

Severe Thunderstorm Warning
NHC009-041830-
/O.NEW.KGYX.SV.W.0029.230804T1750Z-230804T1830Z/

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
150 PM EDT Fri Aug 4 2023

The National Weather Service in Gray Maine has issued a

• Severe Thunderstorm Warning for…
  West central Grafton County in northern New Hampshire…
• Until 230 PM EDT.
• At 148 PM EDT, a severe thunderstorm was located near Hanover, or
  12 miles north of Lebanon, moving northeast at 35 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…
  Hanover, Haverhill, Piermont, Lyme, Benton, Dorchester, Ellsworth,
  Warren, Wentworth, Rumney, Orford, and Landaff.

This also includes…
Rumney Rocks, Carr Mountain, Stinson Mountain, and Long Pond
Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4377 7220 4379 7220 4381 7218 4386 7219
4387 7217 4389 7217 4392 7212 4394 7212
4397 7209 4397 7211 4399 7212 4401 7211
4413 7189 4383 7173 4373 7226
TIME…MOT…LOC 1748Z 243DEG 32KT 4381 7219

HAIL THREAT…RADAR INDICATED
MAX HAIL SIZE…1.00 IN
WIND THREAT…RADAR INDICATED
MAX WIND GUST…60 MPH

$$

ARNOTT

Flood Watch – 08/04/23

Flood Watch
National Weather Service Gray ME
952 AM EDT Fri Aug 4 2023

MEZ007-012-033-NHZ001>013-015-050400-
/O.CON.KGYX.FA.A.0019.000000T0000Z-230805T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Oxford-Southern Oxford-Interior Cumberland Highlands-
Northern Coos-Southern Coos-Northern Grafton-Northern Carroll-
Southern Grafton-Southern Carroll-Sullivan-Merrimack-Belknap-
Strafford-Cheshire-Eastern Hillsborough-Interior Rockingham-
Western And Central Hillsborough-
Including the cities of Upton, Wilsons Mills, Andover, Byron,
Middle Dam, Roxbury, South Arm, Bethel, Bryant Pond, Hanover,
Locke Mills, Milton, Newry, Rumford, Norway, Fryeburg, Oxford,
Bridgton, Harrison, Naples, Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, Lancaster, Bethlehem, Lincoln,
Littleton, Sugar Hill, Thornton, Waterville Valley, Woodstock,
Jackson, North Conway, Albany, Conway, Chatham, Crawford Notch,
Lebanon, Lyme, Ashland, Ellsworth, Holderness, Plymouth, Rumney,
Wakefield, Bridgewater, Brookfield, Ossipee, Tuftonboro,
Wolfeboro, Moultonborough, Claremont, Cornish, Unity, Croydon,
Goshen, Grantham, Lempster, Newport, Charlestown, Boscawen,
Canterbury, Concord, Dunbarton, Loudon, Hooksett, Laconia,
Gilford, Meredith, Barrington, Rochester, Dover, Rollinsford,
Somersworth, Durham, Madbury, Gilsum, Keene, Marlow, Sullivan,
Surry, Jaffrey, Manchester, Pelham, Nashua, Salem, Atkinson,
Newton, Plaistow, Chester, Derry, Hampstead, Exeter, Amherst,
Milford, Mont Vernon, Goffstown, Peterborough, Sharon, Hollis,
and Weare
952 AM EDT Fri Aug 4 2023

…FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING…

• WHAT…Flash flooding caused by excessive rainfall continues to be
  possible.
• WHERE…Portions of western Maine, including the following areas,
  Interior Cumberland Highlands, Northern Oxford and Southern
  Oxford. Portions of New Hampshire, including the following areas,
  Belknap, Cheshire, Eastern Hillsborough, Interior Rockingham,
  Merrimack, Northern Carroll, Northern Coos, Northern Grafton,
  Southern Carroll, Southern Coos, Southern Grafton, Strafford,
  Sullivan and Western And Central Hillsborough.
• WHEN…Through this evening.
• IMPACTS…Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Flooding may occur in poor drainage and urban areas.
• ADDITIONAL DETAILS…
• A slow moving frontal system will move across Maine and New
  Hampshire today. Numerous showers and thunderstorms are
  expected in the watch area today, with localized amounts of
  up to 3 inches possible where showers and storms move over
  the same areas. Rainfall rates in the heaviest storms may
  exceed 2 inches per hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

You should monitor the latest forecast and be prepared to take
action should Flash Flood Warnings be issued.

&&

$$

ARNOTT

Severe Thunderstorm Watch for York, Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimac, Rockingham, Strafford, and Sullivan Counties – 08/04/23

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 584
NWS STORM PREDICTION CENTER NORMAN OK
1205 PM EDT FRI AUG 4 2023

SEVERE THUNDERSTORM WATCH 584 IS IN EFFECT UNTIL 800 PM EDT
FOR THE FOLLOWING LOCATIONS

MEC031-050000-
/O.NEW.KWNS.SV.A.0584.230804T1605Z-230805T0000Z/

ME
. MAINE COUNTIES INCLUDED ARE

YORK
$$
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 584
NWS STORM PREDICTION CENTER NORMAN OK
1205 PM EDT FRI AUG 4 2023

SEVERE THUNDERSTORM WATCH 584 IS IN EFFECT UNTIL 800 PM EDT
FOR THE FOLLOWING LOCATIONS

NHC001-003-005-009-011-013-015-017-019-050000-
/O.NEW.KWNS.SV.A.0584.230804T1605Z-230805T0000Z/

NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE

BELKNAP CARROLL CHESHIRE
GRAFTON HILLSBOROUGH MERRIMACK
ROCKINGHAM STRAFFORD SULLIVAN
$$