A low pressure system moved across the region on April 1, 2023. A band of rain and embedded thunderstorms accompanied the system's cold front as it tracked from west to east.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ALY wrote it up.
A low pressure system moved across the region on April 1, 2023. A band of rain and embedded thunderstorms accompanied the system's cold front as it tracked from west to east. This brought widespread wind gusts between 40 and 55 mph along with a downed tree in the Town of Lee.
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 Apr 1, 2:43 PM EST, 3 hours 2 minutes earlier.
AREA FORECAST DISCUSSION National Weather Service Albany NY 343 PM EDT Sat Apr 1 2023 .SYNOPSIS... There is a chance for showers and thunderstorms this evening, with the potential for some strong gusty winds. Much cooler weather returns later tonight and tomorrow behind a cold front, with dry conditions expected Sunday. Above normal temperatures expected for at least the first half of the week, with chances for some rain showers Monday and a better chance for Wednesday. && .NEAR TERM /UNTIL 6 AM SUNDAY MORNING/... As of 340 PM EDT, skies are mostly sunny skies with rapidly warming temps. Still expect peak temperatures to reach the upper 60s to lower/mid 70s within the Hudson and Mohawk River Valleys, and 60-65 across most higher terrain over the next 1-2 hours. Portions of SE VT adjacent to the CT River currently remains cooler, but should warm up into the upper 50s to lower 60s by late afternoon. Meanwhile, potent shortwave continues to track through Ohio, with an arcing line of low topped convection on its east/northeast periphery. Wind gusts of 60-70 mph have been observed with this convection, even in the presence of limited lightning. The northern portions of this low topped line is expected to cross eastern NY/western New England between roughly 6 and 9 PM. There is some uncertainty regarding how much of this line remains organized, especially with northward extent as instability may be more limited due to lower dewpoints (currently falling into the 30s across central NYS). There could be some rebound in low level moisture just ahead of the line as low level winds back, with best moisture/greatest instability expected across the mid Hudson Valley and NW CT. Nevertheless, given the presence of such dry air beneath the cloud bases, even shallow convection could be capable of bringing strong to damaging wind gusts to the surface. Therefore, most of the region remains within the marginal to slight risk for severe thunderstorms, with the greatest threat being damaging straight line wind gusts in excess of 58 mph. Decent mid-level lapse rates and unidirectional shear profile may also support some small hail as well. Line of storms and damaging wind threat departs into New England by 9-11 PM. Some additional lingering showers are expected across the region tonight. First area is across the western Mohawk Valley and Adirondacks under the upper deformation zone. Some upslope showers are also expected in the southern Greens and Berkshires. Some snow flakes may mix in as temperatures fall behind the strong cold front. Winds will be gusty out of the west to northwest later tonight behind the cold front due to a strong pressure gradient between the departing low and high pressure to the west, with some gusts of 35-45 mph possible, especially within the Mohawk Valley, Capital Region and Berkshires, and also across the SE Catskills and mid Hudson Valley. Lows may not occur until daybreak due to clouds and wind, with lows ranging from upper 10s in the Adirondacks, to lower/mid 30s in the Capital Region south and east into the mid Hudson Valley. && .SHORT TERM /6 AM SUNDAY MORNING THROUGH TUESDAY/... Sunday, any lingering rain/snow showers should come to and end by 12z with drier air working into the region. Skies become mostly sunny by late morning with rising heights aloft and subsidence in the wake of Saturday's system. It will remain breezy, especially in the morning, although winds begin to diminish in the afternoon and especially in the evening as the surface high builds in from the west. Highs will be in the 30s (terrain) and 40s (valleys). Sunday night, the surface high will be overhead to start. Clear skies and calm winds lead to very favorable radiational cooling conditions the first half of the night, so went below guidance with overnight lows with lows in the teens for northern areas, and lower/mid 20s elsewhere. Mid and high clouds increase after midnight as a mid-level warm front approaches from the south. Monday...mid-level warm front tracks north of our region as an area of low pressure tracks across southern Canada, but how far north the surface warm front makes it remain a point of forecast uncertainty. At this time, think that it should stall somewhere north of I-90. This may keep temperatures in the Adirondacks and southern VT in the 40s, while valley areas south of I-90 top out near 60. Considerable temperature ranges will be possible depending on where the front ends up stalling. Some showers are possible along this front in the afternoon and evening, especially across the Adirondacks and upper Hudson Valley. It will also be breezy south of the warm front as increasing pressure gradient leads to strengthening LLJ. Winds could gust to 25-35 mph Monday afternoon. Monday night into Tuesday, the surface low tracks into southeastern Canada, and the warm front drops back south as a cold front. The cold front likely stalls somewhere over our region, but exactly where this happens remains to be seen. Showers are expected in the vicinity of the front, with lows in the 30s north of the front and in the 40s south of the front. Highs Tuesday in the 40s and 50s north of the front, and 50s and 60s to its south (most likely the mid Hudson Valley region). && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... Strong low pressure tracks into the western Great Lakes region and southeast Canada Wednesday into Thursday, with a cold front approaching from the west. This looks to bring showers Wednesday into Thursday, although there will be periods of relatively dry weather, especially for areas south of I-90. Still uncertainty on temps, as the front may remain stalled near or south of I-90 Wednesday before lifting back north late Wednesday or early Thursday. Highs will be in the 50s and 60s south of the front, and 40s/50s to its north both days. Overnight lows mainly in the 40s. Fair weather may return by Friday-Saturday as high pressure builds in from the west. Temperatures may cool closer to, or even below normal, with highs mainly in the 40s/50s, and lows in the 20s/30s, perhaps even colder across northern areas. && .AVIATION /20Z SATURDAY THROUGH THURSDAY/... Through 18Z Sunday...GOES-16 visible satellite imagery shows clouds rapidly exiting the forecast area along a progressive cold front, yielding clearing skies within the dry slot behind it. With the exception of KPSF, whose ceiling is varying between VFR/MVFR as dry air tries to overcome it, all terminals are VFR and will remain as such through this evening when a disturbance looks to move through, bringing back rain and some potential thunderstorms. Though it is a bit uncertain whether shower activity later on this evening will become convective, included TEMPO groups with -TSRA to keep consistency with SPC's slight risk that encompasses most TAF sites. Regardless of thunder, showers are likely to impact visibility and ceiling at all terminals, causing conditions to drop into the lower-end MVFR and possibly even IFR categories between 23-02z. Ceilings are then expected to remain MVFR for several hours before full VFR conditions are returned to and maintained throughout the remainder of the TAF period. Expect gusty winds throughout this period especially with the showers this evening through 18z tomorrow as a strong pressure gradient is left in the wake of the passing disturbance. Gusts upwards of 30 kt can be expected especially at KALB/KPSF/KPOU. Sustained winds will range from 15-20 kt and will turn from the southwest this afternoon to the northwest upon the passing of tonight's disturbance. Outlook... Sunday Night: No Operational Impact. NO SIG WX. Monday: Moderate Operational Impact. Breezy. Chance of SHRA. Monday Night: Moderate Operational Impact. Chance of SHRA. Tuesday: Moderate Operational Impact. Chance of SHRA. Tuesday Night: Moderate Operational Impact. Chance of SHRA. Wednesday: High Operational Impact. Breezy. Likely SHRA. Wednesday Night: Moderate Operational Impact. Chance of SHRA. Thursday: Moderate Operational Impact. Breezy. Chance of SHRA. && .HYDROLOGY... Periods of rain last night into this morning led to minor rises on rivers and streams. With temperatures remaining cool last night, limited snow melt occurred across the high terrain, which kept additional runoff very small. However, temperatures rising through the day today, along with gusty southwesterly winds, will be allowing for snow melt to pick up through the rest of the day and into the evening hours. There continues to be abundant snow across the Adirondacks and southern Greens, with some measured snow water equivalent (SWE) amounts exceeding 5 inches (especially in the highest terrain). There is less snow to melt across the Catskills, Berkshires, Taconics and NW CT, where SWE amounts are lower for these areas, compared to further north. Some additional showers and thunderstorms are expected this evening, although the fast and shallow nature of the precipitation will lead to precipitation amounts being less than a third of an inch in most locations. However, this additional precip and runoff from the snow melt that is occurring today may lead to some additional small rises. At this point, rivers and streams should all stay within their banks, although a few spots (such as the West Canada Creek) could come close to minor flood stage. Behind the cold front later this evening, much colder air will return to the region, ending the threat for snow melt. Cooler temperatures will be in place for Sunday, which should let rivers and streams start to recede. During the upcoming week, temperatures will be moderating and daytime temperatures may reach into the 50s and 60s once again. This will continue to allow for some runoff due to snow melt. Some additional rainfall is also expected towards the middle of the week, but amounts are uncertain at this time. While some rises certainly look to occur, it's still too far out to tell if there will be a flood threat, but this will be monitored over the next few days. For details on specific area rivers and lakes, including observed and forecast river stages and lake elevations, please visit the Advanced Hydrologic Prediction Service /AHPS/ graphs on our website. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && SYNOPSIS...KL/Main NEAR TERM...KL/Main SHORT TERM...KL/Main LONG TERM...IAA/KL AVIATION...Gant HYDROLOGY...BJF
Hazardous Weather Outlook National Weather Service Albany NY 350 PM EDT Sat Apr 1 2023 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-021100- 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- 350 PM EDT Sat Apr 1 2023 This Hazardous Weather Outlook is for northwestern Connecticut, western Massachusetts, eastern New York and southern Vermont. .DAY ONE...Tonight. There is a marginal to slight risk of strong to severe thunderstorms through early this evening. Damaging wind gusts in excess of 58 mph will be the primary threat. .DAYS TWO THROUGH SEVEN...Sunday through Friday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed through early this evening.
Special Weather Statement
National Weather Service Albany NY
527 PM EDT Sat Apr 1 2023
NYZ040-047>049-051-052-058-059-063-064-012215-
Eastern Albany NY-Western Ulster NY-Eastern Schenectady NY-
Eastern Greene NY-Western Greene NY-Schoharie NY-
Western Schenectady NY-Montgomery NY-Western Albany NY-
Eastern Ulster NY-
527 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of northern Ulster,
western Schenectady, western Albany, Greene, Schoharie and
southeastern Montgomery Counties through 615 PM EDT...
At 527 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Bowerstown to near East Meredith to near
Andes. Movement was east at 55 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Cobleskill, Hunter, Jefferson, Duanesburg, Woodstock, Westerlo,
Berne, Altamont, Windham, Middleburgh, Gilboa, Summit, Schoharie,
Richmondville, Prattsville, Sharon Springs, Delanson, Breakabeen,
Livingstonville and Preston-Potter Hollow.
This includes Interstate 88 between exits 20 and 25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
eastern and east central New York.
&&
LAT...LON 4212 7456 4215 7453 4217 7445 4220 7454
4235 7443 4242 7462 4252 7471 4262 7463
4274 7467 4282 7465 4294 7408 4247 7392
4205 7399 4203 7474
TIME...MOT...LOC 2127Z 261DEG 48KT 4264 7490 4239 7478 4211 7478
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTSpecial Weather Statement
National Weather Service Albany NY
553 PM EDT Sat Apr 1 2023
NYZ060-061-063>066-012245-
Eastern Dutchess NY-Western Ulster NY-Eastern Columbia NY-
Western Columbia NY-Western Dutchess NY-Eastern Ulster NY-
553 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of Ulster, Dutchess and
southwestern Columbia Counties through 645 PM EDT...
At 553 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Mount Tremper to near Kerhonkson to near
Bloomingburg. Movement was east at 55 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Poughkeepsie, Kingston, Beacon, New Paltz, Ellenville, Saugerties,
Rhinebeck, Pawling, Wallkill, Hyde Park, Milton, Plattekill, Pleasant
Valley, Hurley, Woodstock, Wappingers Falls, Amenia, Copake, Highland
and Pine Plains.
This includes Interstate 87 between exits 18 and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
east central New York.
&&
LAT...LON 4144 7398 4152 7400 4159 7396 4158 7405
4160 7407 4160 7409 4162 7413 4158 7413
4159 7419 4163 7426 4160 7437 4164 7439
4168 7446 4181 7443 4208 7450 4214 7349
4209 7351 4202 7349 4153 7353 4149 7393
TIME...MOT...LOC 2153Z 254DEG 49KT 4203 7428 4184 7424 4156 7439
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTSpecial Weather Statement
National Weather Service Albany NY
604 PM EDT Sat Apr 1 2023
MAZ001-025-NYZ039>041-047>054-058>061-063>065-084-VTZ013-012245-
Northern Berkshire MA-Southern Berkshire MA-Eastern Columbia NY-
Western Rensselaer NY-Western Columbia NY-Eastern Rensselaer NY-
Western Schenectady NY-Montgomery NY-Southern Washington NY-
Southern Saratoga NY-Western Albany NY-Eastern Ulster NY-
Northern Saratoga NY-Southern Fulton NY-Eastern Albany NY-
Western Ulster NY-Eastern Schenectady NY-Eastern Greene NY-
Western Greene NY-Western Dutchess NY-Schoharie NY-Bennington VT-
604 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of Berkshire,
Schenectady, Columbia, southeastern Fulton, Rensselaer, northern
Ulster, north central Dutchess, Albany, Greene, southern Saratoga,
eastern Schoharie, southwestern Washington, Montgomery and
southwestern Bennington Counties through 645 PM EDT...
At 604 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Broadalbin to Feura Bush to near
Woodstock. Movement was east at 65 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Albany, Schenectady, Troy, Pittsfield, Clifton Park, Rotterdam,
Saratoga Springs, Amsterdam, East Greenbush, Cohoes, North Adams,
Watervliet, Rensselaer, Colonie, Scotia, Great Barrington, Hudson,
Mechanicville, Cobleskill and Catskill.
This includes the following highways...
Interstate 88 between exits 22 and 25.
Interstate 90 between exits 10 and 29.
Interstate 890 between exits 1a and 9.
Interstate 87 between exits 20 and 7, and between exits 8A and 15.
Interstate 787 between exits 1 and 9.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
western Massachusetts...and eastern and east central New York.
&&
LAT...LON 4238 7301 4238 7307 4233 7306 4231 7303
4206 7309 4205 7352 4204 7352 4197 7459
4215 7453 4217 7445 4219 7451 4235 7443
4236 7446 4256 7439 4290 7466 4316 7365
4262 7295
TIME...MOT...LOC 2204Z 267DEG 56KT 4302 7422 4260 7388 4208 7406
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTSpecial Weather Statement
National Weather Service Albany NY
635 PM EDT Sat Apr 1 2023
CTZ001-013-MAZ025-NYZ061-064>066-012315-
Northern Litchfield CT-Southern Litchfield CT-Southern Berkshire MA-
Eastern Dutchess NY-Eastern Columbia NY-Western Dutchess NY-
Eastern Ulster NY-
635 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of Litchfield, southern
Berkshire, Dutchess and south central Columbia Counties through 715
PM EDT...
At 635 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Philmont to near Amenia to near Pawling.
Movement was east at 60 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Torrington, Poughkeepsie, New Milford, Southbury, Beacon, Great
Barrington, Sherman, Rhinebeck, Pawling, Hyde Park, Brookfield,
Canton, Pleasant Valley, Thomaston, New Hartford, Wappingers Falls,
Amenia, Copake, Sheffield and Kent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern Connecticut...western Massachusetts...and east central New
York.
&&
LAT...LON 4193 7394 4200 7370 4205 7369 4233 7306
4231 7300 4209 7307 4204 7301 4197 7303
4197 7289 4181 7295 4180 7302 4164 7298
4156 7316 4151 7316 4147 7333 4149 7344
4167 7352 4153 7353 4149 7393 4144 7398
TIME...MOT...LOC 2235Z 262DEG 52KT 4225 7357 4182 7352 4153 7357
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTSpecial Weather Statement
National Weather Service Albany NY
639 PM EDT Sat Apr 1 2023
MAZ001-NYZ041-053-054-084-VTZ013>015-012330-
Northern Berkshire MA-Western Rensselaer NY-Eastern Rensselaer NY-
Southern Washington NY-Northern Saratoga NY-Eastern Windham VT-
Western Windham VT-Bennington VT-
639 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of northeastern
Berkshire, east central Saratoga, southern Washington, northeastern
Rensselaer, Bennington and Windham Counties through 730 PM EDT...
At 639 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Salem to 6 miles southwest of Stratton to
near Heath. Movement was east at 45 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Bennington, Saratoga Springs, North Adams, Brattleboro, Hoosick
Falls, Bellows Falls, Arlington, Londonderry, Townshend, Salem,
Manchester, Stratton, Adams, Williamstown, Shaftsbury, Pownal,
Putney, Vernon, Grafton and Dorset.
This includes Interstate 87 between exits 13N and 16.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
western Massachusetts...and east central New York.
&&
LAT...LON 4300 7244 4295 7253 4288 7255 4273 7246
4274 7302 4270 7302 4270 7295 4267 7300
4263 7295 4262 7327 4294 7365 4294 7364
4310 7394 4332 7326 4330 7282 4325 7282
4322 7269 4323 7243
TIME...MOT...LOC 2239Z 251DEG 41KT 4321 7339 4298 7300 4272 7279
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTSpecial Weather Statement
National Weather Service Albany NY
642 PM EDT Sat Apr 1 2023
MAZ001-025-NYZ053-054-060-061-012330-
Northern Berkshire MA-Southern Berkshire MA-Eastern Columbia NY-
Western Rensselaer NY-Western Columbia NY-Eastern Rensselaer NY-
642 PM EDT Sat Apr 1 2023
...Strong thunderstorms will impact portions of Berkshire, eastern
Columbia and southeastern Rensselaer Counties through 730 PM EDT...
At 642 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Grafton to Hancock to near Copake.
Movement was northeast at 55 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Pittsfield, Great Barrington, Adams, Lee, Lenox, Copake, Sheffield,
Cheshire, Stephentown, New Lebanon, Becket, Austerlitz, Otis, Ancram,
Sandisfield, Hancock, Savoy, New Ashford, Ashley Falls and
Housatonic.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern Connecticut...western Massachusetts...and east central New
York.
&&
LAT...LON 4239 7301 4239 7306 4238 7307 4233 7306
4231 7303 4231 7300 4225 7300 4215 7303
4215 7307 4212 7306 4209 7307 4204 7305
4205 7346 4205 7352 4204 7352 4204 7371
4243 7356 4261 7363 4264 7295
TIME...MOT...LOC 2242Z 237DEG 49KT 4284 7347 4252 7334 4214 7349
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DBTThe Albany radar (KENX), 74 km away, was scanning. The volume nearest the first event began at 22:49 UTC.
1 strong wind, 1 thunderstorm wind. Local standard time, as filed.
A 56 mph wind gust was reported at the Pittsfield Municipal Airport.
A tree was downed on Lake Road in the Town of Lee.
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, April 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: 1095004, 1092472.