Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 187, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Dec 11, 2021, 9:49 PM EST for Columbia County, Dutchess County, Rensselaer County, New York; Northwest Hills Planning Region, Connecticut; Berkshire County, Massachusetts. It was in force for 45 min. 3 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
- Dec 11, 2021, 9:49 PM EST (02:49 UTC)
- Expired
- Dec 11, 2021, 10:34 PM EST
- In force
- 45 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Northwest Hills Planning Region, CT, Berkshire County, MA, Columbia County, NY, Dutchess County, NY, Rensselaer County, NY
The radar
The Albany radar (KENX), 87 km from the middle of the area, began a volume at 02:54 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 |
|---|---|---|---|
| Dec 11, 9:50 PM EST | TSTM WND DMG | Sharon, CT | TREES DOWN IN SHARON. |
| Dec 11, 9:55 PM EST | TSTM WND DMG | Falls Village, CT | TREES DOWN IN FALLS VILLAGE. |
| Dec 11, 10:05 PM EST | TSTM WND DMG | Norfolk, CT | TREES DOWN IN NORFOLK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 2.8 hours before the alert went out and 83 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 95 kt
- 0-1 km storm-relative helicity
- 405 m²/s²
- 0-3 km storm-relative helicity
- 481 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
544
WUUS51 KALY 120249
SVRALY
CTC005-MAC003-NYC021-027-083-120345-
/O.NEW.KALY.SV.W.0187.211212T0249Z-211212T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
949 PM EST Sat Dec 11 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Northwestern Litchfield County in northern Connecticut...
Berkshire County in western Massachusetts...
Northeastern Dutchess County in east central New York...
Eastern Columbia County in east central New York...
South central Rensselaer County in east central New York...
* Until 1045 PM EST.
* At 947 PM EST, severe thunderstorms were located along a line
extending from near Nassau to near Copake to near Pleasant Valley,
moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Pittsfield, Torrington, Great Barrington, Lee, Lenox, Amenia,
Copake, Sheffield, Kent, Sharon, Pine Plains, New Lebanon, Becket,
Norfolk, Austerlitz, Otis, Millbrook, Litchfield, Canaan and
Millerton.
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 4163 7387 4211 7357 4251 7357 4255 7298
4239 7301 4238 7307 4233 7306 4231 7303
4231 7300 4225 7300 4215 7303 4215 7307
4204 7306 4204 7302 4168 7323 4166 7350
4167 7352 4166 7352
TIME...MOT...LOC 0247Z 253DEG 29KT 4248 7352 4213 7351 4172 7378
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MSE2 follow-up statements
570
WWUS51 KALY 120309
SVSALY
Severe Weather Statement
National Weather Service Albany NY
1009 PM EST Sat Dec 11 2021
NYC021-027-120318-
/O.CAN.KALY.SV.W.0187.000000T0000Z-211212T0345Z/
Dutchess NY-Columbia NY-
1009 PM EST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DUTCHESS AND
EASTERN COLUMBIA COUNTIES IS CANCELLED...
The heavy showers and strongest winds which prompted the warning
have moved east of the area. Therefore, the warning has been
cancelled. However, strong, gusty winds will continue through the
night.
LAT...LON 4171 7352 4205 7349 4209 7351 4251 7335
4249 7357 4251 7357 4255 7298 4239 7301
4238 7307 4233 7306 4231 7300 4216 7303
4215 7307 4204 7306 4204 7302 4168 7323
4166 7350
TIME...MOT...LOC 0308Z 260DEG 45KT 4247 7309 4212 7309 4171 7336
$$
CTC005-MAC003-NYC083-120345-
/O.CON.KALY.SV.W.0187.000000T0000Z-211212T0345Z/
Litchfield CT-Berkshire MA-Rensselaer NY-
1009 PM EST Sat Dec 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EST
FOR NORTHWESTERN LITCHFIELD...BERKSHIRE AND SOUTH CENTRAL RENSSELAER
COUNTIES...
At 1008 PM EST, heavy showers with very strong winds were located
along a line extending from near East Windsor to near Sandisfield to
near New Preston, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pittsfield, Torrington, Great Barrington, Lee, Lenox, Sheffield,
Kent, Sharon, Becket, Norfolk, Otis, Litchfield, Canaan, Sandisfield,
Ashley Falls, Falls Village, New Preston, Cornwall Bridge, Housatonic
and Winsted.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4171 7352 4205 7349 4209 7351 4251 7335
4249 7357 4251 7357 4255 7298 4239 7301
4238 7307 4233 7306 4231 7300 4216 7303
4215 7307 4204 7306 4204 7302 4168 7323
4166 7350
TIME...MOT...LOC 0308Z 260DEG 45KT 4247 7309 4212 7309 4171 7336
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MSE986
WWUS51 KALY 120334
SVSALY
Severe Weather Statement
National Weather Service Albany NY
1034 PM EST Sat Dec 11 2021
CTC005-MAC003-NYC083-120342-
/O.CAN.KALY.SV.W.0187.000000T0000Z-211212T0345Z/
Litchfield CT-Berkshire MA-Rensselaer NY-
1034 PM EST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LITCHFIELD...
BERKSHIRE AND SOUTH CENTRAL RENSSELAER COUNTIES IS CANCELLED...
The heavy showers with very strong gusty winds have moved east of
the area and the warning has been cancelled. However, gusty winds
will continue through the night.
LAT...LON 4171 7352 4205 7349 4209 7351 4251 7335
4249 7357 4251 7357 4255 7298 4239 7301
4238 7307 4233 7306 4231 7300 4216 7303
4215 7307 4204 7306 4204 7302 4168 7323
4166 7350
TIME...MOT...LOC 0330Z 253DEG 29KT 4252 7285 4217 7285 4176 7312
$$
MSEThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 7:24 PM EST | Special Weather Statement | ALY | Fulton, Hamilton | 51 min |
| Dec 11, 7:44 PM EST | Special Weather Statement | ALY | Montgomery, Schoharie | 46 min |
| Dec 11, 8:27 PM EST | Special Weather Statement | ALY | Saratoga, Schenectady, Schoharie | 33 min |
| Dec 11, 8:38 PM EST | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Saratoga, Schenectady, Schoharie, Washington | 52 min |
| Dec 11, 9:15 PM EST | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Washington | 60 min |
| Dec 11, 9:29 PM EST | Special Weather Statement | ALY | Dutchess | 31 min |
| Dec 11, 10:18 PM EST | Special Weather Statement | ALY | 27 min |
Nearby
Severe Thunderstorm Warnings in New York, 2021Severe Thunderstorm Warnings in Connecticut, 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.