Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 211, NWS Binghamton, NY

July 27, 2021Sullivan County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 27, 2021, 5:09 PM EDT for Sullivan County, New York. It was in force for 18 min. 1 report 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: Jul 27, 2021, 5:09 PM EDT (21:09 UTC)
Expired: Jul 27, 2021, 5:27 PM EDT
In force: 18 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Sullivan County, NY

The radar

The Albany radar (KENX), 110 km from the middle of the area, began a volume at 21:10 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
Jul 27, 5:10 PM EDT	TSTM WND DMG	3 Nw White Sulphur Spri, NY	TREE AND WIRES DOWN. 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
Jul 27, 2:47 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.2 hours before the alert went out and 129 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.

735 
WUUS51 KBGM 272109
SVRBGM
NYC105-272145-
/O.NEW.KBGM.SV.W.0211.210727T2109Z-210727T2145Z/

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

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Sullivan County in central New York...

* Until 545 PM EDT.

* At 509 PM EDT, a severe thunderstorm was located over Liberty,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Fallsburg, Monticello, Liberty, Bethel, Neversink, South Fallsburg,
  Wurtsboro, Woodridge, Bloomingburg and Jeffersonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4158 7438 4157 7442 4150 7449 4150 7457
      4171 7504 4193 7498 4195 7493 4183 7449
      4175 7457 4165 7440 4159 7438
TIME...MOT...LOC 2109Z 292DEG 37KT 4177 7472 

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

MDP

1 follow-up statement

902 
WWUS51 KBGM 272127
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
527 PM EDT Tue Jul 27 2021

NYC105-272136-
/O.CAN.KBGM.SV.W.0211.000000T0000Z-210727T2145Z/
Sullivan NY-
527 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SULLIVAN 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.  However wind gusts to 
about 35 mph are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for 
Sullivan County.

LAT...LON 4158 7438 4157 7442 4150 7449 4150 7457
      4171 7504 4193 7498 4195 7493 4183 7449
      4175 7457 4165 7440 4159 7438
TIME...MOT...LOC 2124Z 292DEG 37KT 4170 7449 

$$

MDP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 12:46 PM EDT	Special Weather Statement	BGM	Onondaga	29 min
Jul 27, 2:08 PM EDT	Special Weather Statement	BGM	Schuyler	37 min
Jul 27, 2:16 PM EDT	Special Weather Statement	BGM	Chemung, Steuben	29 min
Jul 27, 2:23 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Steuben, Tioga, Tompkins	52 min
Jul 27, 2:29 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison, Oneida, Onondaga, Otsego	61 min
Jul 27, 2:56 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Tioga	64 min
Jul 27, 3:51 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Delaware	39 min
Jul 27, 4:18 PM EDT	Special Weather Statement	BGM	Sullivan	42 min
Jul 27, 4:22 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Sullivan	53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.