Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Binghamton, NY

April 28, 2021Sullivan County, New York; Pike County, Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Apr 28, 2021, 7:57 PM EDT for Sullivan County, New York; Pike County, Wayne County, Pennsylvania. It was in force for 33 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: Apr 28, 2021, 7:57 PM EDT (23:57 UTC)
Expired: Apr 28, 2021, 8:30 PM EDT
In force: 33 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Sullivan County, NY, Pike County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 129 km from the middle of the area, began a volume at 23:58 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
Apr 28, 8:18 PM EDT	TSTM WND DMG	3 N Dingmans Ferry, PA	TREES AND WIRES DOWN.

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, 12.0 hours before the alert went out and 175 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: 1596 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

834 
WUUS51 KBGM 282357
SVRBGM
NYC105-PAC103-127-290030-
/O.NEW.KBGM.SV.W.0004.210428T2357Z-210429T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
757 PM EDT Wed Apr 28 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southwestern Sullivan County in central New York...
  Southeastern Wayne County in northeastern Pennsylvania...
  Pike County in northeastern Pennsylvania...

* Until 830 PM EDT.

* At 756 PM EDT, severe thunderstorms were located along a line
  extending from near Hawley to near Pecks Pond to near Skytop,
  moving east at 50 mph.

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

  SOURCE...Radar indicated. Trees and powerlines continue to be 
           reported blown down with this line of thunderstorms.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Bushkill, Lackawaxen, Blooming Grove, Paupack, Shohola, Matamoras,
  Tusten, Hawley, Milford and Oakland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4149 7476 4143 7476 4143 7473 4140 7474
      4136 7469 4132 7479 4116 7490 4108 7503
      4114 7508 4115 7515 4125 7513 4124 7538
      4128 7530 4135 7524 4159 7523 4153 7454
      4150 7454
TIME...MOT...LOC 2356Z 287DEG 42KT 4153 7514 4133 7511 4127 7517 4122
7528

HAIL...0.75IN
WIND...70MPH
 
$$

Butts

3 follow-up statements

485 
WWUS51 KBGM 290009
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
809 PM EDT Wed Apr 28 2021

PAC127-290017-
/O.CAN.KBGM.SV.W.0004.000000T0000Z-210429T0030Z/
Wayne PA-
809 PM EDT Wed Apr 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

Additional statements will be issued as conditions warrant.

LAT...LON 4149 7476 4143 7476 4143 7473 4140 7474
      4136 7469 4132 7479 4123 7487 4116 7490
      4108 7503 4114 7508 4115 7515 4125 7513
      4130 7516 4143 7517 4158 7509 4153 7454
      4150 7454
TIME...MOT...LOC 0007Z 287DEG 42KT 4149 7498 4129 7495 4123 7501 4118
7512

$$

NYC105-PAC103-290030-
/O.CON.KBGM.SV.W.0004.000000T0000Z-210429T0030Z/
Sullivan NY-Pike PA-
809 PM EDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN SULLIVAN AND PIKE COUNTIES...

At 807 PM EDT, severe thunderstorms were located along a line
extending from Lackawaxen to 6 miles northwest of Dingmans Ferry to 6
miles southeast of Pecks Pond to 7 miles southeast of Skytop, moving
east at 50 mph.

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

SOURCE...Law enforcement. Trees and powerlines continue to be 
         reported blown down with this line of thunderstorms.

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

Locations impacted include...
Bushkill, Lackawaxen, Shohola, Matamoras, Tusten, Milford, Oakland,
Glen Spey, Dingmans Ferry and Millrift.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Additional statements will be issued as conditions warrant.

&&

LAT...LON 4149 7476 4143 7476 4143 7473 4140 7474
      4136 7469 4132 7479 4123 7487 4116 7490
      4108 7503 4114 7508 4115 7515 4125 7513
      4130 7516 4143 7517 4158 7509 4153 7454
      4150 7454
TIME...MOT...LOC 0007Z 287DEG 42KT 4149 7498 4129 7495 4123 7501 4118
7512

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

Butts

295 
WWUS51 KBGM 290021
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
821 PM EDT Wed Apr 28 2021

NYC105-PAC103-290030-
/O.CON.KBGM.SV.W.0004.000000T0000Z-210429T0030Z/
Sullivan NY-Pike PA-
821 PM EDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTH CENTRAL SULLIVAN AND SOUTHEASTERN PIKE COUNTIES...

At 820 PM EDT, severe thunderstorms were located along a line
extending from near Glen Spey to near Hainesville to near Dingmans
Ferry to near Flatbrookville, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Law enforcement. Trees and powerlines continue to be 
         reported blown down with this line of thunderstorms.

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

Locations impacted include...
Bushkill, Matamoras, Milford, Oakland, Glen Spey, Dingmans Ferry,
Highland Lake, Millrift, Hartwood and Twin Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Additional statements will be issued as conditions warrant.

&&

LAT...LON 4149 7476 4143 7476 4143 7473 4140 7474
      4136 7469 4132 7479 4123 7487 4116 7490
      4108 7503 4115 7506 4118 7507 4124 7497
      4129 7494 4141 7495 4156 7484 4153 7454
      4150 7454
TIME...MOT...LOC 0020Z 287DEG 42KT 4144 7478 4124 7475 4118 7481 4113
7492

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

Butts

258 
WWUS51 KBGM 290030
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
830 PM EDT Wed Apr 28 2021

NYC105-PAC103-290038-
/O.EXP.KBGM.SV.W.0004.000000T0000Z-210429T0030Z/
Sullivan NY-Pike PA-
830 PM EDT Wed Apr 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SULLIVAN AND
SOUTHEASTERN PIKE COUNTIES WILL EXPIRE AT 830 PM EDT...    

The storms which prompted the warning have exited the warned area. 
Therefore, the warning will be allowed to expire. However gusty 
winds and heavy rain are still possible with thunderstorms lingering 
across Pike and Sullivan Counties.

Additional statements will be issued as conditions warrant.

LAT...LON 4149 7476 4143 7476 4143 7473 4140 7474
      4136 7469 4132 7479 4123 7487 4116 7490
      4108 7503 4115 7506 4118 7507 4124 7497
      4129 7494 4141 7495 4156 7484 4153 7454
      4150 7454
TIME...MOT...LOC 0028Z 287DEG 42KT 4142 7468 4122 7465 4116 7471 4111
7482

$$

Butts

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 3:45 PM EDT	Special Weather Statement	BGM	Seneca	30 min
Apr 28, 4:26 PM EDT	Special Weather Statement	BGM	Steuben	49 min
Apr 28, 4:42 PM EDT	Special Weather Statement	BGM	Chenango	33 min
Apr 28, 6:26 PM EDT	Special Weather Statement	BGM	Broome	34 min
Apr 28, 7:18 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	42 min
Apr 28, 5:35 PM EDT	Special Weather Statement	BGM	Bradford	55 min
Apr 28, 6:29 PM EDT	Special Weather Statement	BGM	Wyoming	46 min
Apr 28, 6:45 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna, Wyoming	30 min
Apr 28, 7:04 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Wayne, Wyoming	11 min
Apr 28, 7:37 PM EDT	Special Weather Statement	BGM	Luzerne	53 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.