Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 79, NWS Binghamton, NY

June 29, 20214 counties in New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 29, 2021, 6:16 PM EDT for 4 counties in New York. It was in force for 44 min. 7 reports 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: Jun 29, 2021, 6:16 PM EDT (22:16 UTC)
Expired: Jun 29, 2021, 7:00 PM EDT
In force: 44 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cayuga County, NY, Cortland County, NY, Onondaga County, NY, Tompkins County, NY

The radar

The Binghamton radar (KBGM), 56 km from the middle of the area, began a volume at 22:15 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
Jun 29, 6:22 PM EDT	TSTM WND DMG	2 S Freeville, NY	TREES AND POWERLINES DOWN YELLOW BARN RD AT NY-13.
Jun 29, 6:35 PM EDT	TSTM WND DMG	2 E Como, NY	BROKEN POLES, ON FIRE, DOWN ACROSS NY-41 JUST SOUTH OF WEST SCOTT ROAD, SHUTTING DOWN HIGHWAY.
Jun 29, 6:35 PM EDT	TSTM WND DMG	2 Ese Como, NY	TREE DOWN ON HOUGHTON HILL ROAD NEAR INTERSECTION WITH NY-41. TIME ESTIMATED.
Jun 29, 6:36 PM EDT	TSTM WND DMG	4 N Homer, NY	DISPATCH REPORTS TREE DOWN ACROSS COLD BROOK ROAD. TIME ESTIMATED.
Jun 29, 6:40 PM EDT	TSTM WND DMG	1 Wsw Scott, NY	TREE DOWN ON GLEN HAVEN ROAD NEAR NY-41, BLOCKING ROAD.
Jun 29, 6:45 PM EDT	TSTM WND DMG	4 Sw Preble, NY	TREES AND WIRES DOWN ON AYERS ROAD OFF COLD BROOK ROAD. TIME ESTIMATED.
Jun 29, 6:54 PM EDT	TSTM WND DMG	1 Nw Truxton, NY	SMALL TREE ACROSS ROADWAY NEAR INTERSECTION OF TRUXTON TULLY ROAD AND FOSTER ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.3 hours before the alert went out and 189 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: 627 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1039 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

037 
WUUS51 KBGM 292216
SVRBGM
NYC011-023-067-109-292300-
/O.NEW.KBGM.SV.W.0079.210629T2216Z-210629T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
616 PM EDT Tue Jun 29 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southeastern Cayuga County in central New York...
  Northern Cortland County in central New York...
  South central Onondaga County in central New York...
  Northwestern Tompkins County in central New York...

* Until 700 PM EDT.

* At 615 PM EDT, severe thunderstorms were located along a line 
  extending from near Scott to Perry City, moving east at 30 mph. An 
  outflow boundary with winds of 40 mph will preceed the 
  thunderstorms well before they arrive. 

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ithaca, Cortland, Cayuga Heights, Lansing, Enfield, Homer, Groton,
  Locke, Dryden and Trumansburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Binghamton.

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

&&

LAT...LON 4270 7594 4235 7654 4243 7669 4252 7669
      4255 7665 4255 7659 4257 7662 4283 7625
TIME...MOT...LOC 2215Z 255DEG 24KT 4278 7627 4249 7669 

HAIL...0.75IN
WIND...60MPH
 
$$

MWG

1 follow-up statement

053 
WWUS51 KBGM 292241
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
641 PM EDT Tue Jun 29 2021

NYC011-023-067-109-292300-
/O.CON.KBGM.SV.W.0079.000000T0000Z-210629T2300Z/
Cayuga NY-Cortland NY-Onondaga NY-Tompkins NY-
641 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHEASTERN CAYUGA...NORTHERN CORTLAND...SOUTH CENTRAL ONONDAGA
AND NORTHEASTERN TOMPKINS COUNTIES...

At 641 PM EDT, severe thunderstorms were located along a line
extending from near Tully to 6 miles east of Taughannock Falls,
moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE... Several reports of downed trees and wires. 

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

Locations impacted include...
Cortland, Homer, Groton, Locke, Preble, Moravia, Scott, Truxton,
Sempronius and South Cortland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Binghamton.

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

&&

LAT...LON 4270 7594 4253 7626 4260 7640 4261 7646
      4265 7648 4283 7625
TIME...MOT...LOC 2241Z 255DEG 24KT 4282 7606 4253 7648 

HAIL...0.75IN
WIND...60MPH
 
$$

MWG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 9:30 PM EDT	Special Weather Statement	BGM	Seneca	30 min
Jun 28, 9:59 PM EDT	Special Weather Statement	BGM	Seneca	31 min
Jun 29, 2:21 PM EDT	Special Weather Statement	BGM	Onondaga	24 min
Jun 29, 2:29 PM EDT	Severe Thunderstorm Warning	BGM	Onondaga	31 min
Jun 29, 2:58 PM EDT	Special Weather Statement	BGM	Onondaga	32 min
Jun 29, 3:10 PM EDT	Severe Thunderstorm Warning	BGM	Onondaga	35 min
Jun 29, 3:30 PM EDT	Heat Advisory	BGM	Broome, Chemung, Sullivan, Tioga, Tompkins	29 hr
Jun 29, 3:41 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida, Onondaga	34 min
Jun 29, 3:44 PM EDT	Areal Flood Advisory	BGM	Madison, Onondaga	3 hr
Jun 29, 3:52 PM EDT	Special Weather Statement	BGM	Oneida	23 min
Jun 29, 4:04 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	26 min
Jun 29, 4:12 PM EDT	Special Weather Statement	BGM	Seneca	33 min
Jun 29, 4:15 PM EDT	Special Weather Statement	BGM	Oneida	30 min
Jun 29, 4:21 PM EDT	Special Weather Statement	BGM	Yates	24 min
Jun 29, 4:28 PM EDT	Special Weather Statement	BGM	Madison	32 min
Jun 29, 4:40 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	35 min
Jun 29, 4:47 PM EDT	Special Weather Statement	BGM	Yates	43 min
Jun 29, 5:01 PM EDT	Areal Flood Advisory	BGM	Steuben, Yates	119 min
Jun 29, 5:09 PM EDT	Severe Thunderstorm Warning	BGM	Seneca, Yates	51 min
Jun 29, 5:16 PM EDT	Special Weather Statement	BGM	Otsego	44 min
Jun 29, 5:26 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	34 min
Jun 29, 5:28 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Onondaga, Schuyler, Seneca, Steuben, Tompkins and 1 more	62 min
Jun 29, 5:58 PM EDT	Special Weather Statement	BGM	Otsego	47 min
Jun 29, 6:00 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	27 min
Jun 29, 6:09 PM EDT	Special Weather Statement	BGM	Onondaga	36 min
Jun 29, 6:21 PM EDT	Special Weather Statement	BGM	Tompkins	24 min
Jun 29, 6:34 PM EDT	Special Weather Statement	BGM	Tioga	26 min
Jun 29, 6:54 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland	31 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.