Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 178, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Sep 15, 2021, 4:31 PM EDT for Columbia County, Greene County, Rensselaer County, New York; Berkshire County, Massachusetts. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 15, 2021, 4:31 PM EDT (20:31 UTC)
- Expired
- Sep 15, 2021, 5:30 PM EDT
- In force
- 59 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Berkshire County, MA, Columbia County, NY, Greene County, NY, Rensselaer County, NY
The radar
The Albany radar (KENX), 49 km from the middle of the area, began a volume at 20:30 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 15, 11:55 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.5 hours before the alert went out and 43 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
- 856 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.3
The text
As transmitted.
591
WUUS51 KALY 152031
SVRALY
MAC003-NYC021-039-083-152130-
/O.NEW.KALY.SV.W.0178.210915T2031Z-210915T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
431 PM EDT Wed Sep 15 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Central Berkshire County in western Massachusetts...
Northern Columbia County in east central New York...
East central Greene County in east central New York...
Southeastern Rensselaer County in east central New York...
* Until 530 PM EDT.
* At 431 PM EDT, a severe thunderstorm was located over Lorenz Park,
or near Hudson, 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...
Pittsfield, Hudson, Chatham, Claverack, Lenox, Coxsackie, New
Lebanon, Valatie, Athens, Austerlitz, Philmont, Kinderhook,
Hancock, Lorenz Park, Claverack-Red Mills, Berkshire, Dalton,
Ghent, Lanesborough and Stockport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, 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 4216 7380 4232 7386 4257 7337 4260 7327
4244 7310
TIME...MOT...LOC 2031Z 236DEG 31KT 4229 7375
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JPV2 follow-up statements
801
WWUS51 KALY 152102
SVSALY
Severe Weather Statement
National Weather Service Albany NY
502 PM EDT Wed Sep 15 2021
NYC039-152112-
/O.CAN.KALY.SV.W.0178.000000T0000Z-210915T2130Z/
Greene NY-
502 PM EDT Wed Sep 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GREENE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western Massachusetts...and east central New York.
LAT...LON 4221 7368 4235 7377 4248 7354 4257 7337
4260 7327 4244 7310 4221 7367
TIME...MOT...LOC 2102Z 238DEG 34KT 4233 7358
$$
MAC003-NYC021-083-152130-
/O.CON.KALY.SV.W.0178.000000T0000Z-210915T2130Z/
Berkshire MA-Columbia NY-Rensselaer NY-
502 PM EDT Wed Sep 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CENTRAL BERKSHIRE...NORTHEASTERN COLUMBIA AND SOUTHEASTERN
RENSSELAER COUNTIES...
At 502 PM EDT, a severe thunderstorm was located over Chatham, moving
northeast at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pittsfield, Chatham, Lenox, New Lebanon, Austerlitz, Philmont,
Kinderhook, Hancock, Berkshire, Dalton, Ghent, Lanesborough,
Hinsdale, Canaan, Richmond, West Stockbridge, Barkerville, Rossman,
Rayville and Harlemville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4221 7368 4235 7377 4248 7354 4257 7337
4260 7327 4244 7310 4221 7367
TIME...MOT...LOC 2102Z 238DEG 34KT 4233 7358
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JPV479
WWUS51 KALY 152122
SVSALY
Severe Weather Statement
National Weather Service Albany NY
522 PM EDT Wed Sep 15 2021
MAC003-NYC021-083-152132-
/O.EXP.KALY.SV.W.0178.000000T0000Z-210915T2130Z/
Berkshire MA-Columbia NY-Rensselaer NY-
522 PM EDT Wed Sep 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BERKSHIRE...
NORTHEASTERN COLUMBIA AND SOUTHEASTERN RENSSELAER COUNTIES WILL
EXPIRE AT 530 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western Massachusetts...and east central New York.
LAT...LON 4221 7368 4235 7377 4248 7354 4257 7337
4260 7327 4244 7310 4221 7367
TIME...MOT...LOC 2122Z 236DEG 31KT 4242 7340
$$
JPVThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:02 AM EDT | Special Weather Statement | ALY | Hamilton, Herkimer | 58 min |
| Sep 15, 12:19 PM EDT | Special Weather Statement | ALY | Saratoga | 26 min |
| Sep 15, 12:31 PM EDT | Severe Thunderstorm Warning | ALY | Montgomery, Schenectady, Schoharie | 59 min |
| Sep 15, 12:47 PM EDT | Special Weather Statement | ALY | Saratoga, Washington | 28 min |
| Sep 15, 12:54 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Saratoga, Schenectady | 51 min |
| Sep 15, 1:05 PM EDT | Special Weather Statement | ALY | Washington | 25 min |
| Sep 15, 1:18 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Washington | 57 min |
| Sep 15, 1:21 PM EDT | Flash Flood Warning | ALY | Fulton, Montgomery | 3 hr |
| Sep 15, 1:28 PM EDT | Areal Flood Advisory | ALY | Fulton, Montgomery, Saratoga, Schenectady | 9 min |
| Sep 15, 1:32 PM EDT | Areal Flood Advisory | ALY | Saratoga, Washington | 16 min |
| Sep 15, 1:37 PM EDT | Flash Flood Warning | ALY | Fulton, Montgomery, Saratoga, Schenectady | 3 hr |
| Sep 15, 1:45 PM EDT | Areal Flood Advisory | ALY | Washington | 2 hr |
| Sep 15, 1:46 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Washington | 44 min |
| Sep 15, 1:48 PM EDT | Flash Flood Warning | ALY | Saratoga, Washington | 3 hr |
| Sep 15, 1:52 PM EDT | Areal Flood Advisory | ALY | Washington | 3 hr |
| Sep 15, 1:55 PM EDT | Areal Flood Advisory | ALY | Montgomery, Schenectady, Schoharie | 3 hr |
| Sep 15, 2:13 PM EDT | Special Weather Statement | ALY | Schenectady | 32 min |
| Sep 15, 2:15 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 60 min |
| Sep 15, 2:22 PM EDT | Areal Flood Advisory | ALY | Rensselaer, Saratoga, Schenectady, Washington | 26 min |
| Sep 15, 2:26 PM EDT | Special Weather Statement | ALY | Schoharie | 34 min |
| Sep 15, 2:28 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Saratoga, Washington | 62 min |
| Sep 15, 2:35 PM EDT | Special Weather Statement | ALY | Rensselaer | 25 min |
| Sep 15, 2:48 PM EDT | Flash Flood Warning | ALY | Rensselaer, Saratoga, Schenectady, Washington | 3 hr |
| Sep 15, 2:56 PM EDT | Special Weather Statement | ALY | Rensselaer | 49 min |
| Sep 15, 2:59 PM EDT | Areal Flood Advisory | ALY | Albany, Rensselaer | 3 hr |
| Sep 15, 2:59 PM EDT | Special Weather Statement | ALY | Albany | 31 min |
| Sep 15, 3:00 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 60 min |
| Sep 15, 3:03 PM EDT | Areal Flood Advisory | ALY | Washington | 3 hr |
| Sep 15, 3:19 PM EDT | Special Weather Statement | ALY | Ulster | 26 min |
| Sep 15, 3:29 PM EDT | Special Weather Statement | ALY | Rensselaer | 31 min |
| Sep 15, 3:33 PM EDT | Special Weather Statement | ALY | Greene | 27 min |
| Sep 15, 3:39 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 66 min |
| Sep 15, 3:48 PM EDT | Areal Flood Advisory | ALY | Albany, Columbia, Greene, Rensselaer | 3 hr |
| Sep 15, 3:50 PM EDT | Special Weather Statement | ALY | Ulster | 25 min |
| Sep 15, 4:02 PM EDT | Areal Flood Advisory | ALY | Columbia, Rensselaer | 3 hr |
| Sep 15, 4:19 PM EDT | Special Weather Statement | ALY | Columbia | 26 min |
| Sep 15, 4:41 PM EDT | Areal Flood Advisory | ALY | Columbia, Greene, Rensselaer | 3 hr |
| Sep 15, 4:51 PM EDT | Areal Flood Advisory | ALY | Greene, Ulster | 3 hr |
| Sep 15, 5:00 PM EDT | Special Weather Statement | ALY | Greene | 30 min |
| Sep 15, 5:13 PM EDT | Special Weather Statement | ALY | Ulster | 32 min |
| Sep 15, 5:16 PM EDT | Areal Flood Warning | ALY | Fulton, Hamilton, Montgomery, Saratoga, Schenectady, Schoharie and 2 more | 3 hr |
| Sep 15, 5:26 PM EDT | Flash Flood Warning | ALY | Ulster | 2 hr |
| Sep 15, 5:30 PM EDT | Areal Flood Advisory | ALY | Ulster | 3 hr |
| Sep 15, 5:31 PM EDT | Special Weather Statement | ALY | Columbia | 29 min |
| Sep 15, 5:41 PM EDT | Special Weather Statement | ALY | Ulster | 34 min |
| Sep 15, 5:48 PM EDT | Flash Flood Warning | ALY | Columbia, Greene | 97 min |
| Sep 15, 5:55 PM EDT | Special Weather Statement | ALY | Greene | 35 min |
| Sep 15, 6:08 PM EDT | Special Weather Statement | ALY | Columbia | 37 min |
| Sep 15, 6:32 PM EDT | Special Weather Statement | ALY | Dutchess | 43 min |
| Sep 15, 7:39 PM EDT | Special Weather Statement | ALY | Ulster | 36 min |
| Sep 15, 6:02 PM EDT | Special Weather Statement | ALY | Berkshire | 43 min |
| Sep 15, 6:23 PM EDT | Special Weather Statement | ALY | Berkshire | 37 min |
Nearby
Severe Thunderstorm Warnings in New York, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.