Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 95, NWS Binghamton, NY

June 30, 2021Delaware County, Sullivan County, New York; Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 30, 2021, 5:49 PM EDT for Delaware County, Sullivan County, New York; Wayne County, Pennsylvania. It was in force for 41 min. 2 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 30, 2021, 5:49 PM EDT (21:49 UTC)
Expired
Jun 30, 2021, 6:30 PM EDT
In force
41 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Delaware County, NY, Sullivan County, NY, Wayne County, PA

The radar

The Albany radar (KENX), 94 km from the middle of the area, began a volume at 21:53 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

TimeReportWhereRemark
Jun 30, 6:05 PM EDTTSTM WND DMG2 Sw Cooks Falls, NYTREE DOWN ON WIRES. TIME ESTIMATED BY RADAR.
Jun 30, 6:07 PM EDTTSTM WND DMGRoscoe, NYTREES DOWN.

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.

IssuedProductOfficeLasted
Jun 30, 11:47 AM EDTSevere Thunderstorm WatchSPC7 hr
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.8 hours before the alert went out and 115 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

789 
WUUS51 KBGM 302149
SVRBGM
NYC025-105-PAC127-302230-
/O.NEW.KBGM.SV.W.0095.210630T2149Z-210630T2230Z/

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

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southwestern Delaware County in central New York...
  Northern Sullivan County in central New York...
  Northeastern Wayne County in northeastern Pennsylvania...

* Until 630 PM EDT.

* At 549 PM EDT, a severe thunderstorm was located over Peabrook, or
  16 miles south of Walton, moving east at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Rockland, Fremont, Parksville, Stalker, Hazel, Equinunk,
  Grahamsville, Willowemoc, Peabrook and Fishs Eddy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 4183 7450 4183 7523 4201 7527 4206 7468
      4202 7478 4187 7446
TIME...MOT...LOC 2149Z 265DEG 39KT 4193 7515 

HAIL...1.00IN
WIND...60MPH
 
$$

MJM
1 follow-up statement
063 
WWUS51 KBGM 302213
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
613 PM EDT Wed Jun 30 2021

PAC127-302222-
/O.CAN.KBGM.SV.W.0095.000000T0000Z-210630T2230Z/
Wayne PA-
613 PM EDT Wed Jun 30 2021

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central New York. A Severe Thunderstorm Watch also remains in effect
until 1000 PM EDT for central New York...and northeastern
Pennsylvania.

LAT...LON 4183 7512 4199 7495 4202 7478 4187 7446
      4183 7450
TIME...MOT...LOC 2212Z 265DEG 39KT 4195 7481 

$$

NYC025-105-302230-
/O.CON.KBGM.SV.W.0095.000000T0000Z-210630T2230Z/
Delaware NY-Sullivan NY-
613 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL DELAWARE AND NORTHERN SULLIVAN COUNTIES...

At 612 PM EDT, a severe thunderstorm was located near Hazel, or 11
miles north of Liberty, moving east at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Rockland, Fremont, Parksville, Hazel, Livingston Manor, Grahamsville,
Willowemoc, Roscoe, Callicoon Center and Shandelee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is a DANGEROUS SITUATION. This storm is producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4183 7512 4199 7495 4202 7478 4187 7446
      4183 7450
TIME...MOT...LOC 2212Z 265DEG 39KT 4195 7481 

HAIL...1.00IN
WIND...70MPH
 
$$

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:06 PM EDTAreal Flood AdvisoryBGMChemung, Schuyler, Tioga, Tompkins114 min
Jun 29, 9:06 PM EDTSpecial Weather StatementBGMBroome24 min
Jun 29, 9:18 PM EDTSpecial Weather StatementBGMTompkins42 min
Jun 29, 10:22 PM EDTSpecial Weather StatementBGMDelaware23 min
Jun 29, 10:44 PM EDTSpecial Weather StatementBGMBroome46 min
Jun 29, 11:06 PM EDTAreal Flood AdvisoryBGMDelaware3 hr
Jun 29, 11:50 PM EDTSpecial Weather StatementBGMSteuben40 min
Jun 30, 12:25 AM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben34 min
Jun 30, 11:34 AM EDTSevere Thunderstorm WarningBGMOnondaga56 min
Jun 30, 12:19 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga41 min
Jun 30, 12:58 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida38 min
Jun 30, 1:58 PM EDTSpecial Weather StatementBGMCayuga47 min
Jun 30, 2:07 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca38 min
Jun 30, 2:16 PM EDTSpecial Weather StatementBGMMadison44 min
Jun 30, 2:25 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga50 min
Jun 30, 2:37 PM EDTSpecial Weather StatementBGMBroome23 min
Jun 30, 2:45 PM EDTSpecial Weather StatementBGMSchuyler, Steuben30 min
Jun 30, 3:08 PM EDTSevere Thunderstorm WarningBGMChenango, Madison, Otsego52 min
Jun 30, 3:14 PM EDTSpecial Weather StatementBGMChemung, Cortland, Tompkins46 min
Jun 30, 3:28 PM EDTSevere Thunderstorm WarningBGMBroome, Chemung, Chenango, Cortland, Madison, Otsego and 3 more47 min
Jun 30, 4:12 PM EDTSevere Thunderstorm WarningBGMChenango, Otsego43 min
Jun 30, 4:16 PM EDTSpecial Weather StatementBGMBroome44 min
Jun 30, 4:50 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware, Otsego, Tioga40 min
Jun 30, 5:18 PM EDTSpecial Weather StatementBGMDelaware27 min
Jun 30, 5:19 PM EDTFlash Flood WarningBGMBroome, Chenango, Delaware51 min
Jun 30, 5:32 PM EDTSpecial Weather StatementBGMDelaware43 min
Jun 30, 5:39 PM EDTSpecial Weather StatementBGMSullivan36 min
Jun 30, 5:59 PM EDTSpecial Weather StatementBGMSullivan46 min
Jun 30, 6:26 PM EDTSevere Thunderstorm WarningBGMSullivan19 min
Jun 29, 10:27 PM EDTSpecial Weather StatementBGMBradford48 min
Jun 30, 12:00 AM EDTSpecial Weather StatementBGMWyoming30 min
Jun 30, 12:11 AM EDTSevere Thunderstorm WarningBGMBradford22 min
Jun 30, 12:28 AM EDTSpecial Weather StatementBGMBradford47 min
Jun 30, 12:40 AM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne, Wayne, Wyoming3 hr
Jun 30, 12:54 AM EDTSpecial Weather StatementBGMBradford36 min
Jun 30, 1:24 AM EDTSpecial Weather StatementBGMBradford36 min
Jun 30, 2:33 PM EDTSpecial Weather StatementBGMSusquehanna27 min
Jun 30, 2:57 PM EDTSpecial Weather StatementBGMSusquehanna33 min
Jun 30, 3:27 PM EDTSpecial Weather StatementBGMSusquehanna33 min
Jun 30, 3:38 PM EDTSpecial Weather StatementBGMBradford37 min
Jun 30, 3:44 PM EDTSpecial Weather StatementBGMLuzerne31 min
Jun 30, 3:54 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna51 min
Jun 30, 3:58 PM EDTSpecial Weather StatementBGMWayne32 min
Jun 30, 4:12 PM EDTSpecial Weather StatementBGMWayne33 min
Jun 30, 4:16 PM EDTAreal Flood AdvisoryBGMBradford106 min
Jun 30, 4:20 PM EDTSpecial Weather StatementBGMWyoming25 min
Jun 30, 4:32 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne, Wyoming43 min
Jun 30, 4:33 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna42 min
Jun 30, 4:59 PM EDTSpecial Weather StatementBGMLuzerne31 min
Jun 30, 5:07 PM EDTSpecial Weather StatementBGMWayne38 min
Jun 30, 5:25 PM EDTSpecial Weather StatementBGMWayne35 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Severe Thunderstorm Warnings in Pennsylvania, 2021Every 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.