Alert archive / New York / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 106, NWS Albany, NY

August 27, 20204 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 27, 2020, 1:50 PM EDT for 4 counties in New York. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 27, 2020, 1:50 PM EDT (17:50 UTC)
Expired
Aug 27, 2020, 2:30 PM EDT
In force
40 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Columbia County, NY, Greene County, NY, Schoharie County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 38 km from the middle of the area, began a volume at 17:48 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.

IssuedProductOfficeLasted
Aug 27, 1:22 PM EDTTornado WatchSPC7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Albany, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 27, 1:36 PM EDT, 14 minutes earlier.

Area forecast discussion, Aug 27, 1:36 PM EDT, 14 minutes before
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Hazardous weather outlook, Aug 27, 1:50 PM EDT, 0 minutes before
Hazardous Weather Outlook
National Weather Service Albany NY
150 PM EDT Thu Aug 27 2020

CTZ001-013-MAZ001-025-NYZ058>061-063>066-281100-
Northern Litchfield-Southern Litchfield-Northern Berkshire-
Southern Berkshire-Western Greene-Eastern Greene-Western Columbia-
Eastern Columbia-Western Ulster-Eastern Ulster-Western Dutchess-
Eastern Dutchess-
150 PM EDT Thu Aug 27 2020

...TORNADO WATCH 455 IN EFFECT UNTIL 7 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northwestern Connecticut,
western Massachusetts and Greene, Ulster, Columbia, and Dutchess
Counties in eastern New York.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is the chance for more thunderstorms Friday night into
Saturday. Widespread showers and possible thunderstorms may contain
heavy rainfall, which may lead to flooding of urban, poor drainage
and low lying areas. Isolated flash flooding cannot be ruled out.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about severe weather to the NWS while following
local, state and CDC guidelines.

NYZ032-033-038>043-047>054-082>084-VTZ013>015-281100-
Northern Herkimer-Hamilton-Southern Herkimer-Southern Fulton-
Montgomery-Northern Saratoga-Northern Warren-Northern Washington-
Schoharie-Western Schenectady-Eastern Schenectady-Southern Saratoga-
Western Albany-Eastern Albany-Western Rensselaer-Eastern Rensselaer-
Northern Fulton-Southeast Warren-Southern Washington-Bennington-
Western Windham-Eastern Windham-
150 PM EDT Thu Aug 27 2020

This Hazardous Weather Outlook is for the Mohawk Valley, Schoharie
Valley, Capital District, northern Taconics, Helderbergs, southern
Adirondacks, and the Lake George Saratoga Region in eastern New York
and southern Vermont.

.DAY ONE...This afternoon and tonight.

Isolated to scattered thunderstorms are possible this afternoon.  A
Marginal to Slight Risk has been continued by the Storm Prediction
Center which is in place from the Mohawk Valley and the Capital
District northward. Damaging winds and large hail are the main
threats with any thunderstorm as they move southeast around 35 mph.
In addition, thunderstorm heavy rainfall may allow for flooding of
urban and poor drainage areas, with isolated flash flooding possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is the chance for more thunderstorms Friday night into
Saturday. Widespread showers and possible thunderstorms may contain
heavy rainfall, which may lead to flooding of urban, poor drainage
and low lying areas. Isolated flash flooding cannot be ruled out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

In the hours before

Special weather statement, Aug 27, 11:41 AM EDT, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Albany NY
1141 AM EDT Thu Aug 27 2020

NYZ038-040-047-271615-
Schoharie-Southern Herkimer-Montgomery-
1141 AM EDT Thu Aug 27 2020

...A THUNDERSTORM WILL AFFECT NORTHWESTERN SCHOHARIE...SOUTHEASTERN
HERKIMER AND SOUTHWESTERN MONTGOMERY COUNTIES...

At 1139 AM EDT, a thunderstorm was located over Jordanville, or 7
miles southeast of Ilion, moving southeast at 50 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Cobleskill, Canajoharie, Mohawk, Richfield Springs, Richmondville,
Sharon Springs, Ames, Jordanville, Carlisle, Sharon, Seward, Warren,
Zeh Corners, Spinnerville, Beekman Corners, West Richmondville, South
Columbia, Warnerville, Flat Creek and Engleville.

This includes Interstate 88 between exits 20 and 21.

Very heavy rainfall is occurring with this storm, and may cause
localized flooding of low-lying and poor drainage areas. Do not
drive your vehicle through flooded roadways.

LAT...LON 4302 7502 4284 7434 4259 7449 4265 7464
      4274 7467 4283 7465 4290 7488 4284 7489
      4282 7491 4290 7509
TIME...MOT...LOC 1539Z 293DEG 43KT 4291 7498

IAA
Special weather statement, Aug 27, 12:09 PM EDT, 1 hour 41 minutes before
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Special weather statement, Aug 27, 12:35 PM EDT, 1 hour 15 minutes before
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Special weather statement, Aug 27, 1:17 PM EDT, 33 minutes before
Special Weather Statement
National Weather Service Albany NY
117 PM EDT Thu Aug 27 2020

MAZ025-NYZ051>053-059>061-271800-
Southern Berkshire-Eastern Albany-Eastern Columbia-Western
Rensselaer-Eastern Greene-Western Columbia-Western Albany-
117 PM EDT Thu Aug 27 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN BERKSHIRE...CENTRAL
COLUMBIA...SOUTHERN ALBANY...NORTHEASTERN GREENE AND SOUTHWESTERN
RENSSELAER COUNTIES...

At 116 PM EDT, a strong thunderstorm was located near Westerlo, or 11
miles southwest of Delmar, moving southeast at 45 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Great Barrington, Hudson, Chatham, Claverack, Lee, Copake, New
Baltimore, Westerlo, Ravena, Coxsackie, Valatie, Athens, Austerlitz,
Philmont, Kinderhook, Lorenz Park, Selkirk, Claverack-Red Mills,
Housatonic and Coeymans.

This includes Interstate 87 between exits 21B and 21A.

LAT...LON 4232 7320 4205 7347 4205 7349 4239 7403
      4243 7403 4243 7408 4252 7423 4260 7399
TIME...MOT...LOC 1716Z 301DEG 37KT 4249 7397

DBT
Special weather statement, Aug 27, 1:22 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Albany NY
122 PM EDT Thu Aug 27 2020

NYZ047-271800-
Schoharie-
122 PM EDT Thu Aug 27 2020

...A CLUSTER OF THUNDERSTORMS WITH HEAVY RAINFALL WILL AFFECT
SCHOHARIE COUNTY...

At 121 PM EDT, radar indicated thunderstorms were located along a
line extending from Livingstonville to Jefferson. Movement was
southeast at 40 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Cobleskill, Jefferson, Middleburgh, Summit, Schoharie, Richmondville,
Sharon Springs, Livingstonville, North Blenheim, Breakabeen, Central
Bridge, Carlisle, Sharon, Seward, Zeh Corners, Beekman Corners, West
Richmondville, Baird Corners, Huntersland and Warnerville.

This includes Interstate 88 between exits 20 and 23.

Torrential rainfall is also occurring with these storms, and may
cause localized minor flooding of low lying areas. Do not drive your
vehicle through flooded roadways.

LAT...LON 4262 7463 4274 7467 4280 7466 4273 7431
      4266 7422 4243 7426 4241 7459 4243 7462
      4252 7471
TIME...MOT...LOC 1721Z 308DEG 33KT 4249 7426 4250 7463

JPV
Special weather statement, Aug 27, 1:39 PM EDT, 11 minutes before
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The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 27, 11:41 AM EDTSpecial Weather StatementALYMontgomery34 min
Aug 27, 12:09 PM EDTSpecial Weather StatementALYAlbany, Schoharie51 min
Aug 27, 1:17 PM EDTSpecial Weather StatementALYAlbany, Columbia43 min
Aug 27, 1:22 PM EDTSpecial Weather StatementALYSchoharie38 min
Aug 27, 1:39 PM EDTSpecial Weather StatementALYGreene51 min
Aug 27, 1:45 PM EDTAreal Flood AdvisoryALYSchoharie77 min
Aug 27, 2:05 PM EDTTornado WarningALYGreene, Ulster40 min
Aug 27, 2:22 PM EDTAreal Flood AdvisoryALYGreene84 min
Aug 27, 2:31 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster44 min
Aug 27, 2:48 PM EDTTornado WarningALYDutchess27 min
Aug 27, 2:56 PM EDTTornado WarningALYDutchess, Ulster21 min
Aug 27, 3:01 PM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster113 min
Aug 27, 3:14 PM EDTTornado WarningALYDutchess31 min
Aug 27, 3:40 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster32 min
Aug 27, 4:17 PM EDTSpecial Weather StatementALYPutnam43 min
Aug 27, 4:19 PM EDTAreal Flood AdvisoryALYDutchess, Ulster116 min
Aug 27, 5:03 PM EDTSpecial Weather StatementALYUlster57 min
Aug 27, 6:29 PM EDTSevere Thunderstorm WarningALYDutchess31 min
Aug 27, 3:09 PM EDTTornado WarningALYNorthwest Hills Planning Region51 min
Aug 27, 3:33 PM EDTAreal Flood AdvisoryALYNorthwest Hills Planning Region117 min
Aug 27, 5:06 PM EDTSpecial Weather StatementALY24 min

Nearby

Severe Thunderstorm Warnings in New York, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.