Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 8, NWS Binghamton, NY

July 17, 2021Chenango County, Otsego County, New York

NWS Binghamton, NY issued this tornado warning at Jul 17, 2021, 6:20 PM EDT for Chenango County, Otsego County, New York. It was in force for 25 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 17, 2021, 6:20 PM EDT (22:20 UTC)
Expired: Jul 17, 2021, 6:45 PM EDT
In force: 25 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Chenango County, NY, Otsego County, NY

The radar

The Binghamton radar (KBGM), 55 km from the middle of the area, began a volume at 22:19 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 17, 1:13 PM EDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.3 hours before the alert went out and 130 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: 958 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

246 
WFUS51 KBGM 172220
TORBGM
NYC017-077-172245-
/O.NEW.KBGM.TO.W.0008.210717T2220Z-210717T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
620 PM EDT Sat Jul 17 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southwestern Otsego County in central New York...
  Southeastern Chenango County in central New York...

* Until 645 PM EDT.
    
* At 620 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over South Oxford, or 10 miles south of Norwich, moving
  east at 30 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Guilford around 630 PM EDT.
  Mt Upton and Rockdale around 640 PM EDT.
  Gilbertsville around 645 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4237 7526 4236 7528 4235 7527 4232 7563
      4241 7566 4250 7530 4237 7525
TIME...MOT...LOC 2220Z 261DEG 25KT 4239 7558 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Kistner

1 follow-up statement

634 
WWUS51 KBGM 172237
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
637 PM EDT Sat Jul 17 2021

NYC017-077-172246-
/O.EXP.KBGM.TO.W.0008.000000T0000Z-210717T2245Z/
Otsego NY-Chenango NY-
637 PM EDT Sat Jul 17 2021

...THE TORNADO WARNING FOR SOUTHWESTERN OTSEGO AND SOUTHEASTERN
CHENANGO COUNTIES WILL EXPIRE AT 645 PM EDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central New York.

LAT...LON 4237 7526 4236 7528 4235 7527 4232 7563
      4241 7566 4250 7530 4237 7525
TIME...MOT...LOC 2236Z 261DEG 25KT 4241 7543 

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 9:39 AM EDT	Special Weather Statement	BGM	Schuyler, Steuben, Yates	36 min
Jul 17, 12:42 PM EDT	Special Weather Statement	BGM	Otsego	48 min
Jul 17, 1:29 PM EDT	Special Weather Statement	BGM	Otsego	31 min
Jul 17, 1:32 PM EDT	Areal Flood Advisory	BGM	Otsego	98 min
Jul 17, 2:04 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	56 min
Jul 17, 2:14 PM EDT	Areal Flood Advisory	BGM	Steuben	110 min
Jul 17, 2:27 PM EDT	Tornado Warning	BGM	Steuben	33 min
Jul 17, 2:57 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	48 min
Jul 17, 3:05 PM EDT	Areal Flood Advisory	BGM	Steuben	115 min
Jul 17, 3:20 PM EDT	Areal Flood Advisory	BGM	Delaware, Sullivan	117 min
Jul 17, 3:42 PM EDT	Special Weather Statement	BGM	Schuyler	33 min
Jul 17, 3:50 PM EDT	Areal Flood Advisory	BGM	Delaware	86 min
Jul 17, 3:59 PM EDT	Special Weather Statement	BGM	Delaware	46 min
Jul 17, 4:01 PM EDT	Areal Flood Advisory	BGM	Chemung, Schuyler, Steuben, Tompkins	63 min
Jul 17, 4:16 PM EDT	Special Weather Statement	BGM	Tompkins	29 min
Jul 17, 4:30 PM EDT	Severe Thunderstorm Warning	BGM	Tompkins	45 min
Jul 17, 4:55 PM EDT	Flash Flood Warning	BGM	Delaware, Sullivan	4 hr
Jul 17, 4:57 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Cortland, Tioga, Tompkins	33 min
Jul 17, 5:12 PM EDT	Areal Flood Advisory	BGM	Broome, Chemung, Cortland, Schuyler, Tioga, Tompkins	55 min
Jul 17, 5:21 PM EDT	Special Weather Statement	BGM	Delaware	24 min
Jul 17, 5:23 PM EDT	Severe Thunderstorm Warning	BGM	Broome	67 min
Jul 17, 5:24 PM EDT	Severe Thunderstorm Warning	BGM	Tioga, Tompkins	27 min
Jul 17, 5:28 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland	47 min
Jul 17, 5:36 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Delaware, Otsego	39 min
Jul 17, 6:06 PM EDT	Areal Flood Advisory	BGM	Broome, Chemung, Chenango, Cortland, Tioga	94 min
Jul 17, 6:14 PM EDT	Severe Thunderstorm Warning	BGM	Chenango	31 min
Jul 17, 6:29 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	28 min
Jul 17, 6:39 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Tioga	36 min
Jul 17, 6:59 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Tioga	34 min
Jul 17, 7:06 PM EDT	Areal Flood Advisory	BGM	Broome, Chenango, Delaware, Otsego	2 hr
Jul 17, 7:23 PM EDT	Flash Flood Warning	BGM	Broome, Chenango, Delaware, Otsego	2 hr

Nearby

Tornado Warnings in New York, 2021 Every tornado warning in 2021 Tornadoes 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.