Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 140, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Aug 12, 2021, 1:51 PM EDT for 5 counties in New York. It was in force for 54 min. 5 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, 1:51 PM EDT (17:51 UTC)
- Expired
- Aug 12, 2021, 2:45 PM EDT
- In force
- 54 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Albany County, NY, Montgomery County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY
The radar
The Albany radar (KENX), 31 km from the middle of the area, began a volume at 17:51 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, 1:53 PM EDT | TSTM WND DMG | 1 Nne Central Bridge, NY | A FEW REPORTS OF TREES DOWN ON JUNCTION ROAD |
| Aug 12, 2:48 PM EDT | TSTM WND DMG | 3 Ssw Halfmoon, NY | TREE LIMBS AND POWER POLES DOWN AT DUNSBACK ROAD. |
| Aug 12, 2:48 PM EDT | TSTM WND DMG | 3 Ssw Halfmoon, NY | TREE LIMBS DOWN AND A POWER POLE SHEARED AT DUNSBACK ROAD. |
| Aug 12, 2:49 PM EDT | TSTM WND DMG | 1 Ene Loudonville, NY | ROUE 9 HAS ALL LANES CLOSED BETWEEN OSBORNE ROAD AND SPRING STREET ROAD DUE TO DOWNED WIRES |
| Aug 12, 2:53 PM EDT | TSTM WND DMG | 2 N Boght Corners, NY | TREES DOWN ALONG ROUTE 9 IN COHOES. TIME ESTIMATED BY RADAR. |
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, 5.9 hours before the alert went out and 15 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.
778
WUUS51 KALY 121751
SVRALY
NYC001-057-091-093-095-121845-
/O.NEW.KALY.SV.W.0140.210812T1751Z-210812T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
151 PM EDT Thu Aug 12 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Schenectady County in east central New York...
Northern Albany County in east central New York...
Southeastern Saratoga County in east central New York...
Northern Schoharie County in east central New York...
Southeastern Montgomery County in eastern New York...
* Until 245 PM EDT.
* At 151 PM EDT, severe thunderstorms were located along a line
extending from near Pattersonville-Rotterdam Junction to
Cobleskill, moving east 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.
* Severe thunderstorms will be near...
Pattersonville-Rotterdam Junction around 155 PM EDT.
Rotterdam Junction around 200 PM EDT.
Scotia, Niskayuna, Alplaus and East Glenville around 210 PM EDT.
Burnt Hills around 215 PM EDT.
Clifton Park, Delanson and Country Knolls around 220 PM EDT.
Round Lake around 225 PM EDT.
Mechanicville and Duanesburg around 230 PM EDT.
Altamont around 235 PM EDT.
Other locations impacted by these severe thunderstorms include
Shakers, Bleecker Stadium, Glenridge, Hoffmans, Rockwell Corners,
Harding Crossing, Willow Glen, Garrison Manor, Quaker Street and
Princetown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
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 4263 7463 4290 7419 4300 7361 4297 7363
4295 7363 4293 7366 4291 7368 4281 7366
4279 7367 4271 7370 4265 7379
TIME...MOT...LOC 1751Z 258DEG 30KT 4287 7414 4267 7449
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DBT2 follow-up statements
106
WWUS51 KALY 121822
SVSALY
Severe Weather Statement
National Weather Service Albany NY
222 PM EDT Thu Aug 12 2021
NYC057-121831-
/O.CAN.KALY.SV.W.0140.000000T0000Z-210812T1845Z/
Montgomery NY-
222 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York.
LAT...LON 4264 7434 4295 7391 4300 7361 4297 7363
4295 7363 4293 7366 4291 7368 4281 7366
4279 7367 4271 7370 4265 7379
TIME...MOT...LOC 1821Z 262DEG 28KT 4291 7381 4266 7422
$$
NYC001-091-093-095-121845-
/O.CON.KALY.SV.W.0140.000000T0000Z-210812T1845Z/
Schenectady NY-Albany NY-Saratoga NY-Schoharie NY-
222 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR CENTRAL SCHENECTADY...NORTHERN ALBANY...SOUTHEASTERN SARATOGA AND
EAST CENTRAL SCHOHARIE COUNTIES...
At 221 PM EDT, severe thunderstorms were located along a line
extending from Country Knolls to near Berne, moving east at 30 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.
These severe storms will be near...
Clifton Park, Round Lake, Country Knolls, Burnt Hills and Alplaus
around 225 PM EDT.
Mechanicville around 230 PM EDT.
Duanesburg around 235 PM EDT.
Altamont around 240 PM EDT.
Rotterdam and Voorheesville around 250 PM EDT.
Guilderland around 255 PM EDT.
Albany and Colonie around 300 PM EDT.
Latham and Loudonville around 305 PM EDT.
Other locations impacted by these severe thunderstorms include
Shakers, Bleecker Stadium, Glenridge, Harding Crossing, Gifford,
Willow Glen, Coons, Garrison Manor, Knox and Quaker Street.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4264 7434 4295 7391 4300 7361 4297 7363
4295 7363 4293 7366 4291 7368 4281 7366
4279 7367 4271 7370 4265 7379
TIME...MOT...LOC 1821Z 262DEG 28KT 4291 7381 4266 7422
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DBT299
WWUS51 KALY 121837
SVSALY
Severe Weather Statement
National Weather Service Albany NY
237 PM EDT Thu Aug 12 2021
NYC095-121847-
/O.CAN.KALY.SV.W.0140.000000T0000Z-210812T1845Z/
Schoharie NY-
237 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SCHOHARIE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York.
LAT...LON 4265 7400 4288 7392 4289 7368 4281 7366
4279 7367 4271 7370 4265 7379
TIME...MOT...LOC 1837Z 250DEG 18KT 4273 7388
$$
NYC001-091-093-121845-
/O.CON.KALY.SV.W.0140.000000T0000Z-210812T1845Z/
Schenectady NY-Albany NY-Saratoga NY-
237 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN SCHENECTADY...NORTHEASTERN ALBANY AND SOUTHEASTERN
SARATOGA COUNTIES...
At 237 PM EDT, a severe thunderstorm was located over Colonie, moving
east at 20 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.
This severe storm will be near...
Colonie around 240 PM EDT.
Albany around 245 PM EDT.
Loudonville around 250 PM EDT.
Clifton Park and Latham around 255 PM EDT.
Watervliet and Menands around 300 PM EDT.
Cohoes, Green Island and Waterford around 305 PM EDT.
Troy around 310 PM EDT.
Other locations impacted by this severe thunderstorm include Shakers,
Bleecker Stadium, Groom Corners, Meadowdale, Glenridge, Carman, West
Albany, Aqueduct, Newtown and Boght Corners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4265 7400 4288 7392 4289 7368 4281 7366
4279 7367 4271 7370 4265 7379
TIME...MOT...LOC 1837Z 250DEG 18KT 4273 7388
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DBTThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 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, 3:29 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 61 min |
| Aug 12, 3:44 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene | 46 min |
| Aug 12, 4:00 PM EDT | Heat Advisory | ALY | Albany, Columbia, Dutchess, Fulton, Greene, Herkimer and 8 more | 28 hr |
| 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, 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.