Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS Binghamton, NY

June 30, 2021Chemung County, Schuyler County, Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 30, 2021, 12:25 AM EDT for Chemung County, Schuyler County, Steuben County, New York. It was in force for 34 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: Jun 30, 2021, 12:25 AM EDT (04:25 UTC)
Expired: Jun 30, 2021, 12:59 AM EDT
In force: 34 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chemung County, NY, Schuyler County, NY, Steuben County, NY

The radar

The Binghamton radar (KBGM), 91 km from the middle of the area, began a volume at 04:26 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.4 hours before the alert went out and 156 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: 281 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

647 
WUUS51 KBGM 300425
SVRBGM
NYC015-097-101-300515-
/O.NEW.KBGM.SV.W.0082.210630T0425Z-210630T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
1225 AM EDT Wed Jun 30 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southwestern Schuyler County in central New York...
  Western Chemung County in central New York...
  Southeastern Steuben County in central New York...

* Until 115 AM EDT.

* At 1224 AM EDT, a severe thunderstorm was located over Coopers
  Plains, or near Corning, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Corning, Southport, Big Flats, Horseheads, Campbell, Caton, Painted
  Post, Addison, Hornby and Thurston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Heavy rainfall is occurring with this storm, and may lead to flash
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4203 7727 4226 7734 4244 7698 4230 7682
      4206 7686
TIME...MOT...LOC 0424Z 247DEG 32KT 4219 7717 

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

MPH

3 follow-up statements

666 
WWUS51 KBGM 300442
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
1242 AM EDT Wed Jun 30 2021

NYC015-097-101-300515-
/O.CON.KBGM.SV.W.0082.000000T0000Z-210630T0515Z/
Schuyler NY-Chemung NY-Steuben NY-
1242 AM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR SOUTHWESTERN SCHUYLER...WESTERN CHEMUNG AND EAST CENTRAL STEUBEN
COUNTIES...

At 1242 AM EDT, a severe thunderstorm was located over Hornby, or 7
miles northeast of Corning, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Corning, Southport, Big Flats, Horseheads, Campbell, Painted Post,
Hornby, South Corning, Bradford and Savona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4244 7698 4230 7682 4206 7686 4205 7703
      4224 7722 4232 7721
TIME...MOT...LOC 0442Z 247DEG 32KT 4225 7699 

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

MPH

978 
WWUS51 KBGM 300449
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
1249 AM EDT Wed Jun 30 2021

NYC101-300459-
/O.CAN.KBGM.SV.W.0082.000000T0000Z-210630T0515Z/
Steuben NY-
1249 AM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL STEUBEN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4235 7699 4238 7691 4230 7682 4212 7685
      4210 7686 4209 7696 4228 7697
TIME...MOT...LOC 0449Z 247DEG 32KT 4228 7691 

$$

NYC015-097-300515-
/O.CON.KBGM.SV.W.0082.000000T0000Z-210630T0515Z/
Schuyler NY-Chemung NY-
1249 AM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR SOUTH CENTRAL SCHUYLER AND NORTHWESTERN CHEMUNG COUNTIES...

At 1249 AM EDT, a severe thunderstorm was located near Millport, or
near Montour Falls, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Big Flats, Horseheads, Millport, Wedgewood, Fisherville, Watkins Glen
International, Townsend, Beaver Dams, Moreland and Tompkins Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4235 7699 4238 7691 4230 7682 4212 7685
      4210 7686 4209 7696 4228 7697
TIME...MOT...LOC 0449Z 247DEG 32KT 4228 7691 

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

MPH

616 
WWUS51 KBGM 300459
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
1259 AM EDT Wed Jun 30 2021

NYC015-097-300508-
/O.CAN.KBGM.SV.W.0082.000000T0000Z-210630T0515Z/
Schuyler NY-Chemung NY-
1259 AM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SCHUYLER AND
NORTHWESTERN CHEMUNG COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 4235 7699 4238 7691 4230 7682 4212 7685
      4210 7686 4209 7696 4228 7697
TIME...MOT...LOC 0457Z 247DEG 32KT 4232 7677 

$$

MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 8:06 PM EDT	Areal Flood Advisory	BGM	Chemung, Schuyler, Tioga, Tompkins	114 min
Jun 29, 9:06 PM EDT	Special Weather Statement	BGM	Broome	24 min
Jun 29, 9:18 PM EDT	Special Weather Statement	BGM	Tompkins	42 min
Jun 29, 10:22 PM EDT	Special Weather Statement	BGM	Delaware	23 min
Jun 29, 10:44 PM EDT	Special Weather Statement	BGM	Broome	46 min
Jun 29, 11:06 PM EDT	Areal Flood Advisory	BGM	Delaware	3 hr
Jun 29, 11:50 PM EDT	Special Weather Statement	BGM	Steuben	40 min
Jun 30, 11:34 AM EDT	Severe Thunderstorm Warning	BGM	Onondaga	56 min
Jun 30, 12:19 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida, Onondaga	41 min
Jun 30, 12:58 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	38 min
Jun 30, 1:58 PM EDT	Special Weather Statement	BGM	Cayuga	47 min
Jun 30, 2:07 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Seneca	38 min
Jun 30, 2:16 PM EDT	Special Weather Statement	BGM	Madison	44 min
Jun 30, 2:25 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida, Onondaga	50 min
Jun 30, 2:37 PM EDT	Special Weather Statement	BGM	Broome	23 min
Jun 30, 2:45 PM EDT	Special Weather Statement	BGM	Schuyler, Steuben	30 min
Jun 30, 3:08 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Madison, Otsego	52 min
Jun 30, 3:14 PM EDT	Special Weather Statement	BGM	Chemung, Cortland, Tompkins	46 min
Jun 30, 3:28 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chemung, Chenango, Cortland, Madison, Otsego and 3 more	47 min
Jun 30, 4:12 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Otsego	43 min
Jun 30, 4:16 PM EDT	Special Weather Statement	BGM	Broome	44 min
Jun 30, 4:50 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Otsego, Tioga	40 min
Jun 30, 5:18 PM EDT	Special Weather Statement	BGM	Delaware	27 min
Jun 30, 5:19 PM EDT	Flash Flood Warning	BGM	Broome, Chenango, Delaware	51 min
Jun 30, 5:32 PM EDT	Special Weather Statement	BGM	Delaware	43 min
Jun 30, 5:39 PM EDT	Special Weather Statement	BGM	Sullivan	36 min
Jun 30, 5:49 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Sullivan	41 min
Jun 30, 5:59 PM EDT	Special Weather Statement	BGM	Sullivan	46 min
Jun 30, 6:26 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	19 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.