Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 141, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Aug 12, 2021, 2:42 PM EDT for 4 counties in New York. It was in force for 48 min. 9 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, 2:42 PM EDT (18:42 UTC)
- Expired
- Aug 12, 2021, 3:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Albany County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY
The radar
The Albany radar (KENX), 51 km from the middle of the area, began a volume at 18:45 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, 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. |
| Aug 12, 2:59 PM EDT | TSTM WND DMG | 1 Nnw Sycaway, NY | LARGE TREE DOWN ACROSS NORTH LAKE AVENUE AND KESTNER LANE IN TROY. |
| Aug 12, 2:59 PM EDT | TSTM WND DMG | Speigletown, NY | TREE AND WIRES DOWN AT IRISH ROAD AND ROUTE 40 |
| Aug 12, 3:00 PM EDT | TSTM WND DMG | 1 Nnw Sycaway, NY | WIRES WERE DOWNED ACROSS THE ROAD AT NORTH LAKE AND VALLEY VIEW |
| Aug 12, 3:01 PM EDT | TSTM WND DMG | 2 Nnw Wyantskill, NY | TREE DOWN ACROSS THE ROAD ON RIDGE ROAD |
| Aug 12, 3:28 PM EDT | TSTM WND DMG | 5 Sse Hoosick Falls, NY | TREE AND WIRES DOWN ON PETERSBURG JUNCTION ROAD |
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, 6.7 hours before the alert went out and 29 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.
222
WUUS51 KALY 121842
SVRALY
NYC001-083-091-093-121930-
/O.NEW.KALY.SV.W.0141.210812T1842Z-210812T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
242 PM EDT Thu Aug 12 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
East central Schenectady County in east central New York...
Northeastern Albany County in east central New York...
Southeastern Saratoga County in east central New York...
Rensselaer County in east central New York...
* Until 330 PM EDT.
* At 241 PM EDT, a severe thunderstorm was located over Latham,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Albany, Troy, Clifton Park, Cohoes, Watervliet, Rensselaer,
Colonie, Mechanicville, Hoosick Falls, Delmar, Latham, Menands,
Green Island, Grafton, Waterford, Berlin, Loudonville, West Sand
Lake, Averill Park and Center Brunswick.
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 4274 7329 4265 7332 4261 7387 4290 7388
4294 7328
TIME...MOT...LOC 1841Z 260DEG 28KT 4275 7377
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NAS2 follow-up statements
823
WWUS51 KALY 121857
SVSALY
Severe Weather Statement
National Weather Service Albany NY
257 PM EDT Thu Aug 12 2021
NYC093-121907-
/O.CAN.KALY.SV.W.0141.000000T0000Z-210812T1930Z/
Schenectady NY-
257 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SCHENECTADY
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York...and southern Vermont.
LAT...LON 4274 7329 4265 7332 4261 7384 4277 7382
4278 7381 4278 7382 4289 7381 4294 7328
TIME...MOT...LOC 1857Z 260DEG 28KT 4277 7360
$$
NYC001-083-091-121930-
/O.CON.KALY.SV.W.0141.000000T0000Z-210812T1930Z/
Albany NY-Saratoga NY-Rensselaer NY-
257 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHEASTERN ALBANY...SOUTHEASTERN SARATOGA AND RENSSELAER
COUNTIES...
At 257 PM EDT, a severe thunderstorm was located over Center
Brunswick, or near Troy, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Albany, Troy, Clifton Park, Cohoes, Watervliet, Rensselaer, Colonie,
Mechanicville, Hoosick Falls, Delmar, Latham, Menands, Green Island,
Grafton, Waterford, Berlin, Loudonville, West Sand Lake, Averill Park
and Center Brunswick.
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 4274 7329 4265 7332 4261 7384 4277 7382
4278 7381 4278 7382 4289 7381 4294 7328
TIME...MOT...LOC 1857Z 260DEG 28KT 4277 7360
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NAS140
WWUS51 KALY 121922
SVSALY
Severe Weather Statement
National Weather Service Albany NY
322 PM EDT Thu Aug 12 2021
NYC001-091-121931-
/O.CAN.KALY.SV.W.0141.000000T0000Z-210812T1930Z/
Albany NY-Saratoga NY-
322 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ALBANY AND
SOUTHEASTERN SARATOGA COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York...and southern Vermont.
LAT...LON 4274 7329 4265 7332 4262 7372 4271 7367
4279 7365 4281 7364 4289 7365 4294 7328
TIME...MOT...LOC 1921Z 260DEG 28KT 4280 7334
$$
NYC083-121930-
/O.CON.KALY.SV.W.0141.000000T0000Z-210812T1930Z/
Rensselaer NY-
322 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL RENSSELAER COUNTY...
At 321 PM EDT, a severe thunderstorm was located near Grafton, or
near Hoosick Falls, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Troy, Hoosick Falls, Grafton, Berlin, West Sand Lake, Center
Brunswick, Wyantskill, Averill Park, Wynantskill, North Greenbush,
Brunswick, Sand Lake, Hoosick, Pittstown, Poestenkill, Schaghticoke,
Valley Falls, South Troy, Schaghticoke Hill and Hoosick Junction.
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 4274 7329 4265 7332 4262 7372 4271 7367
4279 7365 4281 7364 4289 7365 4294 7328
TIME...MOT...LOC 1921Z 260DEG 28KT 4280 7334
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 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, 2:48 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.