Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 143, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Aug 12, 2021, 3:29 PM EDT for Bennington County, Vermont; Columbia County, Rensselaer County, New York; Berkshire County, Massachusetts. It was in force for 61 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 12, 2021, 3:29 PM EDT (19:29 UTC)
- Expired
- Aug 12, 2021, 4:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Berkshire County, MA, Columbia County, NY, Rensselaer County, NY, Bennington County, VT
The radar
The Albany radar (KENX), 80 km from the middle of the area, began a volume at 19:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 3:35 PM EDT | TSTM WND DMG | 1 Wnw Schodack, NY | TREE DOWN ACROSS THE ROAD ON SOUTH OLD POST ROAD |
| Aug 12, 3:35 PM EDT | TSTM WND DMG | Schodack, NY | LARGE TREE DOWN ALONG ROUTE 9 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 12, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.5 hours before the alert went out and 59 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 58 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
017
WUUS51 KALY 121929
SVRALY
MAC003-NYC021-083-VTC003-122030-
/O.NEW.KALY.SV.W.0143.210812T1929Z-210812T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
329 PM EDT Thu Aug 12 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Northeastern Berkshire County in western Massachusetts...
Northeastern Columbia County in east central New York...
Rensselaer County in east central New York...
Southwestern Bennington County in southern Vermont...
* Until 430 PM EDT.
* At 328 PM EDT, severe thunderstorms were located along a line
extending from near Hoosick Falls to near Averill Park to near
Castleton-On-Hudson, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Law enforcement.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Pittsfield, Bennington, East Greenbush, North Adams, Hoosick Falls,
Nassau, Adams, Williamstown, Pownal, Cheshire, Stephentown, New
Lebanon, Grafton, Berlin, Stamford, Readsboro, Florida, Hancock,
Savoy and New Ashford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany
LAT...LON 4274 7293 4274 7302 4270 7302 4270 7295
4267 7300 4266 7298 4266 7296 4264 7295
4247 7299 4243 7377 4262 7372 4294 7337
4294 7328 4297 7327 4299 7304 4292 7303
4292 7295 4281 7292
TIME...MOT...LOC 1928Z 263DEG 25KT 4294 7336 4263 7347 4253 7371
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NAS2 follow-up statements
643
WWUS51 KALY 121958
SVSALY
Severe Weather Statement
National Weather Service Albany NY
358 PM EDT Thu Aug 12 2021
MAC003-NYC021-083-VTC003-122030-
/O.CON.KALY.SV.W.0143.000000T0000Z-210812T2030Z/
Berkshire MA-Columbia NY-Rensselaer NY-Bennington VT-
358 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN BERKSHIRE...NORTHEASTERN COLUMBIA...SOUTHERN
RENSSELAER AND SOUTHWESTERN BENNINGTON COUNTIES...
At 358 PM EDT, severe thunderstorms were located along a line
extending from near Shaftsbury to near New Ashford to Stephentown,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Law enforcement.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pittsfield, Bennington, East Greenbush, North Adams, Nassau, Adams,
Williamstown, Pownal, Cheshire, Stephentown, New Lebanon, Berlin,
Stamford, Readsboro, Florida, Hancock, Savoy, New Ashford, West Sand
Lake and Averill Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4274 7293 4274 7302 4270 7302 4270 7295
4267 7300 4266 7298 4266 7296 4264 7295
4247 7299 4243 7377 4260 7372 4277 7328
4290 7325 4296 7325 4299 7304 4292 7303
4292 7295 4281 7292
TIME...MOT...LOC 1958Z 263DEG 25KT 4296 7310 4265 7321 4255 7345
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NAS253
WWUS51 KALY 122020
SVSALY
Severe Weather Statement
National Weather Service Albany NY
420 PM EDT Thu Aug 12 2021
VTC003-122030-
/O.CAN.KALY.SV.W.0143.000000T0000Z-210812T2030Z/
Bennington VT-
420 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BENNINGTON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western Massachusetts...east central New York...and southern Vermont.
LAT...LON 4255 7298 4254 7297 4247 7299 4243 7377
4260 7372 4275 7328 4274 7323 4274 7303
4270 7302 4270 7295 4267 7300 4266 7298
4266 7296 4264 7295
TIME...MOT...LOC 2020Z 263DEG 25KT 4298 7291 4267 7302 4257 7326
$$
MAC003-NYC021-083-122030-
/O.CON.KALY.SV.W.0143.000000T0000Z-210812T2030Z/
Berkshire MA-Columbia NY-Rensselaer NY-
420 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN BERKSHIRE...NORTHEASTERN COLUMBIA AND SOUTHERN
RENSSELAER COUNTIES...
At 420 PM EDT, severe thunderstorms were located along a line
extending from near Stratton to Florida to near New Ashford, moving
east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Law enforcement.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pittsfield, East Greenbush, North Adams, Nassau, Adams, Williamstown,
Cheshire, Stephentown, New Lebanon, Berlin, Florida, Hancock, Savoy,
New Ashford, Averill Park, West Sand Lake, Berkshire, Sand Lake,
Dalton and Lanesborough.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4255 7298 4254 7297 4247 7299 4243 7377
4260 7372 4275 7328 4274 7323 4274 7303
4270 7302 4270 7295 4267 7300 4266 7298
4266 7296 4264 7295
TIME...MOT...LOC 2020Z 263DEG 25KT 4298 7291 4267 7302 4257 7326
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NASThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:00 PM EDT | Heat Advisory | ALY | Bennington, Windham | 28 hr |
| Aug 12, 4:01 PM EDT | Severe Thunderstorm Warning | ALY | Bennington, Windham | 59 min |
| Aug 11, 9:02 PM EDT | Special Weather Statement | ALY | Herkimer | 43 min |
| Aug 12, 1:44 PM EDT | Special Weather Statement | ALY | Schenectady | 46 min |
| Aug 12, 1:51 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Saratoga, Schenectady, Schoharie | 54 min |
| Aug 12, 2:42 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Saratoga, Schenectady | 48 min |
| Aug 12, 2:48 PM EDT | Special Weather Statement | ALY | Albany | 42 min |
| Aug 12, 3:12 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Rensselaer | 18 min |
| Aug 12, 3:44 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene | 46 min |
| Aug 12, 4:03 PM EDT | Special Weather Statement | ALY | Albany | 42 min |
| Aug 12, 4:05 PM EDT | Areal Flood Advisory | ALY | Rensselaer | 2 hr |
| Aug 12, 4:19 PM EDT | Special Weather Statement | ALY | Dutchess | 41 min |
| Aug 12, 4:29 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 61 min |
Nearby
Severe Thunderstorm Warnings in New York, 2021Severe Thunderstorm Warnings in Vermont, 2021Severe Thunderstorm Warnings in Massachusetts, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.