Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 177, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Sep 15, 2021, 3:39 PM EDT for 4 counties in New York. It was in force for 66 min. 1 report 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
- Sep 15, 2021, 3:39 PM EDT (19:39 UTC)
- Expired
- Sep 15, 2021, 4:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Albany County, NY, Columbia County, NY, Greene County, NY, Rensselaer County, NY
The radar
The Albany radar (KENX), 26 km from the middle of the area, began a volume at 19:42 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 |
|---|---|---|---|
| Sep 15, 4:03 PM EDT | TSTM WND DMG | East Schodack, NY | LARGE TREE LIMBS DOWN WITH ESTIMATED 65 MPH WIND GUST. |
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 |
|---|---|---|---|
| Sep 15, 11:55 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.7 hours before the alert went out and 25 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.
888
WUUS51 KALY 151939
SVRALY
NYC001-021-039-083-152045-
/O.NEW.KALY.SV.W.0177.210915T1939Z-210915T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
339 PM EDT Wed Sep 15 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
North central Columbia County in east central New York...
Southeastern Albany County in east central New York...
Central Greene County in east central New York...
Southern Rensselaer County in east central New York...
* Until 445 PM EDT.
* At 339 PM EDT, severe thunderstorms were located along a line
extending from West Sand Lake to New Baltimore to near Hunter,
moving northeast at 25 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...
East Greenbush, Nassau, Hunter, New Baltimore, Ravena, Stephentown,
Coxsackie, Valatie, Windham, Castleton-On-Hudson, Kinderhook,
Selkirk, Averill Park, Sand Lake, Coeymans, Cairo, Stuyvesant,
Jewett, East Nassau and Brookview.
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 4267 7340 4257 7338 4235 7377 4216 7428
4226 7436 4244 7398 4258 7380
TIME...MOT...LOC 1939Z 236DEG 24KT 4265 7360 4244 7383 4227 7416
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JPV2 follow-up statements
471
WWUS51 KALY 152008
SVSALY
Severe Weather Statement
National Weather Service Albany NY
408 PM EDT Wed Sep 15 2021
NYC001-039-152017-
/O.CAN.KALY.SV.W.0177.000000T0000Z-210915T2045Z/
Albany NY-Greene NY-
408 PM EDT Wed Sep 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALBANY AND
CENTRAL GREENE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York.
LAT...LON 4236 7377 4256 7374 4262 7361 4267 7340
4257 7338 4237 7373
TIME...MOT...LOC 2007Z 241DEG 29KT 4256 7353
$$
NYC021-083-152045-
/O.CON.KALY.SV.W.0177.000000T0000Z-210915T2045Z/
Columbia NY-Rensselaer NY-
408 PM EDT Wed Sep 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTH CENTRAL COLUMBIA AND SOUTHERN RENSSELAER COUNTIES...
At 407 PM EDT, a severe thunderstorm was located near Stephentown, or
near Nassau, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Nassau, Stephentown, Valatie, Castleton-On-Hudson, Kinderhook,
Averill Park, Sand Lake, East Nassau, Totem Lodge, East Schodack,
Brookview, Van Hoesen Station, West Stephentown, Jacks Corners, Hoag
Corners, Millers Corners, Malden Bridge, Riders Mills, Taborton and
Glass Lake.
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 4236 7377 4256 7374 4262 7361 4267 7340
4257 7338 4237 7373
TIME...MOT...LOC 2007Z 241DEG 29KT 4256 7353
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JPV775
WWUS51 KALY 152043
SVSALY
Severe Weather Statement
National Weather Service Albany NY
443 PM EDT Wed Sep 15 2021
NYC021-083-152052-
/O.EXP.KALY.SV.W.0177.000000T0000Z-210915T2045Z/
Columbia NY-Rensselaer NY-
443 PM EDT Wed Sep 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL COLUMBIA AND
SOUTHERN RENSSELAER COUNTIES WILL EXPIRE AT 445 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York.
LAT...LON 4236 7377 4256 7374 4262 7361 4267 7340
4257 7338 4237 7373
TIME...MOT...LOC 2042Z 236DEG 24KT 4269 7327
$$
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, 3:48 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, 4:31 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene, Rensselaer | 59 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 |
Nearby
Severe Thunderstorm Warnings in New York, 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.