Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 130, NWS Albany, NY

July 27, 2021Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 27, 2021, 3:20 PM EDT for Herkimer County, New York. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 27, 2021, 3:20 PM EDT (19:20 UTC)
Expired: Jul 27, 2021, 3:43 PM EDT
In force: 23 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Herkimer County, NY

The radar

The Albany radar (KENX), 86 km from the middle of the area, began a volume at 19:22 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.

Issued	Product	Office	Lasted
Jul 27, 2:47 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.3 hours before the alert went out and 100 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1464 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

502 
WUUS51 KALY 271920
SVRALY
NYC043-272015-
/O.NEW.KALY.SV.W.0130.210727T1920Z-210727T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
320 PM EDT Tue Jul 27 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southern Herkimer County in eastern New York...

* Until 415 PM EDT.

* At 319 PM EDT, a severe thunderstorm was located over West
  Winfield, or 10 miles southwest of Ilion, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Ilion, West Winfield, Jordanville, Elizabethtown, Jersalem Hill, 
  Spinnerville, Cedar Lake, Chepachet, Columbia Center, Dennison 
  Corners, Smith Corners, Schuyler Corners and Van Hornesville.

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 4288 7520 4300 7521 4303 7476 4287 7478
      4290 7488 4284 7489 4283 7491 4291 7510
      4286 7514 4286 7521
TIME...MOT...LOC 1919Z 266DEG 27KT 4291 7520 

HAIL...<.75IN
WIND...60MPH
 
$$

MSE

1 follow-up statement

882 
WWUS51 KALY 271943
SVSALY

Severe Weather Statement
National Weather Service Albany NY
343 PM EDT Tue Jul 27 2021

NYC043-271952-
/O.CAN.KALY.SV.W.0130.000000T0000Z-210727T2015Z/
Herkimer NY-
343 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HERKIMER COUNTY IS
CANCELLED...
                
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 has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
eastern New York.

LAT...LON 4288 7520 4300 7521 4303 7476 4287 7478
      4290 7488 4284 7489 4283 7491 4291 7510
      4286 7514 4286 7521
TIME...MOT...LOC 1942Z 266DEG 27KT 4292 7496 

$$

MSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 2:48 PM EDT	Special Weather Statement	ALY	Montgomery, Schenectady	27 min
Jul 27, 2:51 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Montgomery, Saratoga, Schenectady	54 min
Jul 27, 2:52 PM EDT	Areal Flood Advisory	ALY	Montgomery	2 hr
Jul 27, 3:09 PM EDT	Special Weather Statement	ALY	Warren	36 min
Jul 27, 3:15 PM EDT	Special Weather Statement	ALY	Otsego	30 min
Jul 27, 3:30 PM EDT	Special Weather Statement	ALY	Albany	30 min
Jul 27, 3:40 PM EDT	Special Weather Statement	ALY	Rensselaer	35 min
Jul 27, 3:43 PM EDT	Special Weather Statement	ALY	Washington	32 min
Jul 27, 3:59 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer, Saratoga	46 min
Jul 27, 4:20 PM EDT	Special Weather Statement	ALY	Schoharie	25 min
Jul 27, 4:30 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	43 min
Jul 27, 4:34 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Greene, Schoharie	21 min
Jul 27, 4:54 PM EDT	Special Weather Statement	ALY	Rensselaer	36 min
Jul 27, 5:16 PM EDT	Special Weather Statement	ALY	Columbia	44 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.