Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 147, NWS Binghamton, NY

July 9, 2021Bradford County, Susquehanna County, Wyoming County, Pennsylvania; Tioga County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 9, 2021, 3:57 PM EDT for Bradford County, Susquehanna County, Wyoming County, Pennsylvania; Tioga County, New York. It was in force for 48 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 9, 2021, 3:57 PM EDT (19:57 UTC)
Expired: Jul 9, 2021, 4:45 PM EDT
In force: 48 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Tioga County, NY, Bradford County, PA, Susquehanna County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 34 km from the middle of the area, began a volume at 19:57 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 9, 3:57 PM EDT	TSTM WND DMG	2 W Orwell, PA	TREES AND WIRES DOWN ON PA-187 IN ORWELL TOWNSHIP. TIME ESTIMATED.

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.0 hours before the alert went out and 207 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: 3 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

890 
WUUS51 KBGM 091957
SVRBGM
NYC107-PAC015-115-131-092045-
/O.NEW.KBGM.SV.W.0147.210709T1957Z-210709T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
357 PM EDT Fri Jul 9 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  South central Tioga County in central New York...
  Susquehanna County in northeastern Pennsylvania...
  Northeastern Bradford County in northeastern Pennsylvania...
  North central Wyoming County in northeastern Pennsylvania...

* Until 445 PM EDT.

* At 357 PM EDT, a severe thunderstorm was located over Warren
  Center, or 13 miles south of Owego, moving southeast at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rush, Susquehanna, Susquehanna Depot, Springville, Montrose,
  Dimock, Sheshequin, Hallstead, Orwell and Windham.

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 4185 7649 4205 7628 4202 7610 4200 7610
      4200 7596 4194 7554 4159 7597
TIME...MOT...LOC 1957Z 297DEG 34KT 4191 7621 

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

AJG

2 follow-up statements

818 
WWUS51 KBGM 092014
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
414 PM EDT Fri Jul 9 2021

NYC107-092024-
/O.CAN.KBGM.SV.W.0147.000000T0000Z-210709T2045Z/
Tioga NY-
414 PM EDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL TIOGA 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 4181 7640 4200 7623 4200 7596 4194 7554
      4159 7597
TIME...MOT...LOC 2014Z 297DEG 34KT 4184 7601 

$$

PAC015-115-131-092045-
/O.CON.KBGM.SV.W.0147.000000T0000Z-210709T2045Z/
Susquehanna PA-Bradford PA-Wyoming PA-
414 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SUSQUEHANNA...NORTHEASTERN BRADFORD AND NORTH CENTRAL WYOMING
COUNTIES...

At 414 PM EDT, a severe thunderstorm was located near Rush, or 7
miles west of Montrose, moving southeast at 40 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Rush, Susquehanna, Susquehanna Depot, Springville, Montrose, Dimock,
Hallstead, Orwell, New Milford and Herrick.

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 4181 7640 4200 7623 4200 7596 4194 7554
      4159 7597
TIME...MOT...LOC 2014Z 297DEG 34KT 4184 7601 

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

AJG

946 
WWUS51 KBGM 092026
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
426 PM EDT Fri Jul 9 2021

PAC015-115-131-092045-
/O.CON.KBGM.SV.W.0147.000000T0000Z-210709T2045Z/
Susquehanna PA-Bradford PA-Wyoming PA-
426 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SUSQUEHANNA...EAST CENTRAL BRADFORD AND NORTH CENTRAL WYOMING
COUNTIES...

At 426 PM EDT, a severe thunderstorm was located near Montrose,
moving southeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Rush, Susquehanna, Susquehanna Depot, Springville, Montrose, Dimock,
Hallstead, New Milford, Herrick and Great Bend.

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 4178 7633 4188 7616 4200 7611 4200 7596
      4194 7554 4159 7597
TIME...MOT...LOC 2026Z 297DEG 34KT 4179 7587 

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

AJG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:03 PM EDT	Areal Flood Advisory	BGM	Pike	3 hr
Jul 9, 2:32 AM EDT	Areal Flood Advisory	BGM	Pike	2 hr
Jul 9, 2:47 PM EDT	Special Weather Statement	BGM	Bradford	43 min
Jul 9, 3:12 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	33 min
Jul 9, 3:45 PM EDT	Special Weather Statement	BGM	Bradford	45 min
Jul 9, 4:46 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	44 min
Jul 9, 5:30 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	45 min
Jul 9, 5:57 PM EDT	Special Weather Statement	BGM	Luzerne	33 min
Jul 9, 6:04 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	41 min
Jul 9, 6:39 PM EDT	Special Weather Statement	BGM	Luzerne	36 min
Jul 9, 7:57 PM EDT	Areal Flood Advisory	BGM	Bradford	96 min
Jul 8, 8:07 PM EDT	Areal Flood Advisory	BGM	Cortland, Tompkins	3 hr
Jul 8, 8:08 PM EDT	Special Weather Statement	BGM	Delaware	37 min
Jul 8, 8:27 PM EDT	Areal Flood Advisory	BGM	Delaware	3 hr
Jul 8, 8:42 PM EDT	Areal Flood Advisory	BGM	Madison, Oneida	3 hr
Jul 8, 10:34 PM EDT	Areal Flood Advisory	BGM	Schuyler	2 hr
Jul 8, 11:37 PM EDT	Areal Flood Warning	BGM	Oneida	6 hr
Jul 9, 5:33 AM EDT	Areal Flood Advisory	BGM	Sullivan	4 hr
Jul 9, 12:41 PM EDT	Special Weather Statement	BGM	Yates	34 min
Jul 9, 1:16 PM EDT	Special Weather Statement	BGM	Seneca, Tompkins, Yates	29 min
Jul 9, 1:38 PM EDT	Special Weather Statement	BGM	Steuben	37 min
Jul 9, 1:44 PM EDT	Special Weather Statement	BGM	Cayuga	31 min
Jul 9, 1:47 PM EDT	Special Weather Statement	BGM	Schuyler, Tompkins	43 min
Jul 9, 2:17 PM EDT	Severe Thunderstorm Warning	BGM	Cortland, Tioga, Tompkins	43 min
Jul 9, 2:19 PM EDT	Special Weather Statement	BGM	Chemung	26 min
Jul 9, 2:44 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Tioga, Tompkins	46 min
Jul 9, 3:22 PM EDT	Special Weather Statement	BGM	Broome	38 min
Jul 9, 3:31 PM EDT	Special Weather Statement	BGM	Broome	44 min
Jul 9, 3:58 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware	47 min
Jul 9, 7:30 PM EDT	Special Weather Statement	BGM	Chemung	45 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021 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.