An upper-level disturbance brought numerous showers and thunderstorms to portions of Berkshire County on June 2, 2023. The overall northerly wind flow pattern combined with upslope assistance from the Green Mountains in southern Vermont produced training thunderstorms which repeatedly crossed the City of North Adams during the afternoon hours, resulting in accumulating hail up to dime size,…
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The episode as NWS ALY wrote it up.
An upper-level disturbance brought numerous showers and thunderstorms to portions of Berkshire County on June 2, 2023. The overall northerly wind flow pattern combined with upslope assistance from the Green Mountains in southern Vermont produced training thunderstorms which repeatedly crossed the City of North Adams during the afternoon hours, resulting in accumulating hail up to dime size, damaging wind gusts downing some trees and flash flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Albany, NY wrote its last area forecast discussion before the first event at Jun 2, 12:51 PM EST, 39 minutes earlier.
AREA FORECAST DISCUSSION National Weather Service Albany NY 151 PM EDT Fri Jun 2 2023 .SYNOPSIS... An upper level disturbance dropping south out of Canada will bring some clouds, along with the chance for some scattered showers and thunderstorms this afternoon and evening. Cooler temperatures are expected for the weekend into early next week, with some additional showers expected during the week as well. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... As of 128 PM EDT...Large upper level ridge has retrograded westward and is now centered over lower Michigan. Meanwhile, a an upper level disturbance is located well northeast of the region over Quebec and Labrador and this will be dropping southward towards the region. Visible satellite and radar imagery shows some scattered thunderstorms have been developing over the last 90 minutes or so. As expected, initial activity has been focused over the high terrain of the southern Adirondacks, eastern Catskills and Berkshires. Activity has been drifting from north to south. These storms have been mainly pulse-like, as they form, strengthen briefly and then dissipate back down. Over the next few hours, the focus of storms will likely be across the Mohawk and Schoharie valleys and eastern Catskills, as well as parts of western New England. Activity may eventually spread towards parts of the Hudson Valley towards the evening, but this is still somewhat uncertain. Surface temps have quickly warmed into the upper 80s to low 90s in many valley areas, with 80s over the high terrain. Temps are getting close to their highs for the day, as cloud cover and precip is now increasing across the area. Surface dewpoints are a little higher than recent days as well, with values reaching the upper 50s to near 60. With the warm and more humid air mass in place, there will be abundant instability in place today. SPC mesoanalysis shows around 2000 J/jg of SBCAPE with mid level lapse rates around 6.5 deg/km. The low level lapse rates are also quite steep due to the strong surface heating. With the upper level disturbance still quite far away, there won't be much shear this afternoon. 0-6 km bulk shear values will generally be under 20 kts. The strong low-level lapse rates and decent mid level lapse rates (around 6 to 6.5 deg C/km), could allow for some updrafts, but storms will be disorganized and pulse-like in nature due to the lack of shear. As a result, they look to develop and fall apart rather quickly. With the inverted v low-level sounding, there could be some gusty winds as storms collapse. Gusts may wind up in the 30-50 mph range, so they will probably be sub-severe, but a few downed tree limbs and other minor issues can't be ruled out today. Can't rule out some small hail, but no large hail looks to occur today. We have already had one report of pea size hail with storms today. While some downpours are possible, heavy rainfall doesn't appear to have a flood threat for today. It has been dry over the region over the last few weeks and rainfall is much needed. PWATs aren't excessive and training convection is not anticipated today. While storms won't move too fast, they should develop/die off fairly quickly, so the threat for flash flooding looks very low today. Some brief ponding on roadways can't be ruled out, but that should be the only minor water- related issue today. Showers and thunderstorms may linger into the evening hours, but should start to wane by later in the evening with the loss of daytime heating. && .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY NIGHT/... Upper cut off low forms in or near eastern New England and low level flow becomes north to northeast as cold advection occurs through Saturday from northern New England. The core of the upper cold pool should be east of our region but some lingering showers are expected through Saturday morning before a gradual break up of the clouds is expected. There should be some sunshine in the afternoon, especially in areas west of the Hudson Valley, with clouds lingering much longer from the Hudson Valley through Western New England. Highs Saturday in the mid 60s to around 70 with some lower 70s in far western areas that will have the most sunshine Saturday. Continued clearing Saturday night and partly to mostly sunny Sunday with the most clouds in western New England, closest to the slowly departing upper low. An isolated shower cannot be ruled out in western New England through Sunday. Highs Sunday in the upper 60s to lower 70s with a few mid 70s in parts of the Hudson Valley along and south of the Capital Region. Partly cloudy to mostly clear Sunday night into early Monday morning. && .LONG TERM /MONDAY THROUGH THURSDAY/... Unsettled weather is expected through the period with below normal temperatures. An upper low that developed along the New England Coast is expected to be moving eastward away from the region Monday. However, short wave energy dropping southward from east of Hudson's Bay is expected to result in the development of another upper level low. This low is expected to be positioned over the Northeast with short waves rotating about it as it lingers over the region. There are some differences in the guidance about how far south and west the broader trough gets. Guidance does indicates this low should shift eastward by the end of the period, however additional short waves maintain a longwave trough over the eastern CONUS. Expecting temperatures to run 5 to 10 degrees below normal with daily highs in the upper 50s to lower 70s and nighttime lows in the 40s to lower 50s. The Climate Prediction Center's 6-10 Day/June 7-11 and 8-14 day/June 9-15 temperatures outlooks favor below normal with the precipitation outlooks near normal. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... Through 18z/Sat...A cold front will push through the area this afternoon into tonight. Scattered showers and thunderstorms will continue through the remainder of the afternoon. Latest thinking is for storms to remain mainly confined to the higher elevations outside of the Hudson Valley, so reduced KALB/KGFL to just VCSH for this evening. Still could have some thunderstorms close to or over KPOU/KPSF so kept the TEMPO for this update. Flight categories will be in the VFR range outside of storms with MVFR/IFR conditions in any showers/storms. This evening, a few showers could occur regionwide along the cold front, so maintained VCSH at this time. Cigs may lower to at least MVFR levels at all sites tonight with some brief IFR possible. Mainly dry weather then returns overnight into Saturday morning with cigs slowly lifting. Some sites may return to VFR conditions by 18z/Sat. Wind will be mainly north to northeasterly through the TAF period at 10 kt or less. Outlook... Saturday Night: Low Operational Impact. NO SIG WX. Sunday: Low Operational Impact. NO SIG WX. Sunday Night: No Operational Impact. NO SIG WX. Monday: Moderate Operational Impact. Chance of SHRA. Monday Night: Moderate Operational Impact. Chance of SHRA. Tuesday: Moderate Operational Impact. Chance of SHRA...TSRA. Tuesday Night: Moderate Operational Impact. Chance of SHRA. Wednesday: Moderate Operational Impact. Chance of SHRA...TSRA. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && SYNOPSIS...Frugis NEAR TERM...Frugis SHORT TERM...NAS LONG TERM...IAA AVIATION...Rathbun
Hazardous Weather Outlook National Weather Service Albany NY 405 AM EDT Fri Jun 2 2023 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-031100- Northern Litchfield-Southern Litchfield-Northern Berkshire- Southern Berkshire-Northern Herkimer-Hamilton-Southern Herkimer- Southern Fulton-Montgomery-Northern Saratoga-Northern Warren- Northern Washington-Schoharie-Western Schenectady- Eastern Schenectady-Southern Saratoga-Western Albany-Eastern Albany- Western Rensselaer-Eastern Rensselaer-Western Greene-Eastern Greene- Western Columbia-Eastern Columbia-Western Ulster-Eastern Ulster- Western Dutchess-Eastern Dutchess-Northern Fulton-Southeast Warren- Southern Washington-Bennington-Western Windham-Eastern Windham- 405 AM EDT Fri Jun 2 2023 This Hazardous Weather Outlook is for northwestern Connecticut, western Massachusetts, east central New York, eastern New York and southern Vermont. .DAY ONE...Today and tonight. There is a chance for thunderstorms this afternoon into tonight. Some thunderstorms could contain frequent lightning, small hail, gusty winds and locally heavy rain. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
Special Weather Statement
National Weather Service Albany NY
151 PM EDT Fri Jun 2 2023
NYZ038-040-047-021815-
Schoharie NY-Southern Herkimer NY-Montgomery NY-
151 PM EDT Fri Jun 2 2023
...Strong thunderstorms will impact portions of northwestern
Schoharie, southeastern Herkimer and southwestern Montgomery Counties
through 215 PM EDT...
At 151 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Jordanville to Canajoharie. Movement was
south at 15 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Canajoharie, Fort Plain, Sharon Springs, Ames, Palatine Bridge,
Nelliston, Marshville, Leesville, Cook Corners, Beekman Corners,
Buel, Hessville, Starkville, Sprakers, Engleville, Willse Four
Corners, Ripple Corners, McKinley, Sprout Brook and Newville.
This includes Interstate 90 near exit 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4298 7485 4295 7450 4273 7454 4275 7467
4279 7467 4283 7465 4290 7487
TIME...MOT...LOC 1751Z 011DEG 15KT 4294 7484 4291 7454
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
PicardSpecial Weather Statement
National Weather Service Albany NY
209 PM EDT Fri Jun 2 2023
NYZ063-021845-
Western Ulster NY-
209 PM EDT Fri Jun 2 2023
...A strong thunderstorm will impact portions of central Ulster
County through 245 PM EDT...
At 209 PM EDT, Doppler radar was tracking a strong thunderstorm over
West Shokan, or 14 miles west of Kingston, moving southwest at 15
mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
West Shokan, Olivebridge, Ashokan, Cherrytown, Samsonville, Mill
Hook, Palentown, Peekamoose, Lyonsville, Winchell, Pacama, Brodhead,
Liebhardt, Accord, Krumville, Kripplebush, Shokan, Whitfield,
Riggsville and Tabasco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4187 7445 4201 7428 4199 7413 4181 7419
4178 7421
TIME...MOT...LOC 1809Z 023DEG 14KT 4196 7427
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
MEMSpecial Weather Statement
National Weather Service Albany NY
213 PM EDT Fri Jun 2 2023
CTZ001-MAZ025-021845-
Northern Litchfield CT-Southern Berkshire MA-
213 PM EDT Fri Jun 2 2023
...A strong thunderstorm will impact portions of northeastern
Litchfield and south central Berkshire Counties through 245 PM EDT...
At 213 PM EDT, Doppler radar was tracking a strong thunderstorm over
Sandisfield, or 12 miles southeast of Great Barrington, moving south
at 15 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Torrington, Norfolk, Sandisfield, Winsted, Colebrook, South Norfolk,
Hitchcock Corners, Mooreville, Konkapot, North Colebrook, Riverton,
New Boston, Kelly Corner, North Corners, Mill Brook, Robertsville,
Southfield, Yelping Hill, Emmons Corners and Turkey Cobble.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4185 7335 4212 7323 4211 7307 4209 7307
4204 7305 4204 7301 4197 7303 4197 7301
4182 7302
TIME...MOT...LOC 1813Z 005DEG 13KT 4208 7317
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
MEMPreliminary Local Storm Report
National Weather Service Albany NY
216 PM EDT Fri Jun 02 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0140 PM Tstm Wnd Dmg 1 WNW Fonda 42.96N 74.39W
06/02/2023 Montgomery NY Emergency Mngr
Downed trees and wires between Veeder Road and State
Hwy 334 in the town of Mohawk.
&&
Event Number ALY2302730
ATESpecial Weather Statement
National Weather Service Albany NY
223 PM EDT Fri Jun 2 2023
MAZ001-021900-
Northern Berkshire MA-
223 PM EDT Fri Jun 2 2023
...A strong thunderstorm will impact portions of northeastern
Berkshire County through 300 PM EDT...
At 223 PM EDT, Doppler radar was tracking a strong thunderstorm over
North Adams, moving south at 10 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
North Adams, Adams, Cheshire, Savoy, Windsor, Hairpin Turn, Soldiers
Memorial Field, Cheshire Harbor, Arnoldville, Town Crest Village,
Maple Grove, Braytonville, Zylonite, Bowens Corners, Whitcomb Summit,
Noel Field, Rusek Whipple Square, Houghtonville, Renfrew and Savoy
Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4250 7301 4251 7318 4274 7312 4273 7302
TIME...MOT...LOC 1823Z 006DEG 10KT 4267 7308
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
PicardSpecial Weather Statement
National Weather Service Albany NY
227 PM EDT Fri Jun 2 2023
NYZ063-021900-
Western Ulster NY-
227 PM EDT Fri Jun 2 2023
...A strong thunderstorm will impact portions of south central Ulster
County through 300 PM EDT...
At 226 PM EDT, Doppler radar was tracking a strong thunderstorm near
Napanoch, or 8 miles northwest of Ellenville, moving south at 25 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Ellenville, Napanoch, Wawarsing, Port Ben, Lackawack, Potterville,
Dairyland, Spring Glen, Sholam, Ulster Heights, Cragsmoor, Walker
Valley, Honk Hill, Greenfield Park and Yagerville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4164 7439 4175 7457 4187 7446 4186 7433
4160 7437 4161 7437
TIME...MOT...LOC 1826Z 007DEG 22KT 4182 7443
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
MEMThe Albany radar (KENX), 79 km away, was scanning. The volume nearest the first event began at 18:29 UTC.
1 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Trees were reported down across the City of North Adams, one of which occurred along Ashland Street near the intersection of Washington Avenue.
The combination of heavy rainfall and mud and debris blocking storm drains resulted in flash flooding across the City of North Adams. Several roadways had to be shut down including Church Street, Mansion Street and River Street. Water and debris also covered portions of Ashland Street, Eagle Street and Elmwood Avenue.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Massachusetts in 2023Every state in 2023This day in weather historyWarnings in Massachusetts, June 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1105541, 1105539.