Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Binghamton, NY

April 28, 2021Bradford County, Susquehanna County, Wyoming County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Apr 28, 2021, 6:45 PM EDT for Bradford County, Susquehanna County, Wyoming County, Pennsylvania. It was in force for 30 min. 5 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
Apr 28, 2021, 6:45 PM EDT (22:45 UTC)
Expired
Apr 28, 2021, 7:15 PM EDT
In force
30 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bradford County, PA, Susquehanna County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 75 km from the middle of the area, began a volume at 22:48 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
Apr 28, 6:48 PM EDTTSTM WND DMG1.71 E Meshoppen, PATREE ON WIRES WITH SPARKS/FIRE AT SLUMBER VALLEY CAMPGROUND.
Apr 28, 6:48 PM EDTTSTM WND DMGMeshoppen, PATREE DOWN ON WIRES.
Apr 28, 6:54 PM EDTTSTM WND DMG3 Wnw Factoryville, PATREE ON WIRES.
Apr 28, 6:54 PM EDTTSTM WND DMGTunkhannock, PATWEET SHOWING TREES UPROOTED.
Apr 28, 7:11 PM EDTTSTM WND DMG2.75 Sw Nicholson, PATREES ON ROADWAY.

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, 10.8 hours before the alert went out and 226 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 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939587897Sfc1 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
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.

495 
WUUS51 KBGM 282245
SVRBGM
PAC015-115-131-282315-
/O.NEW.KBGM.SV.W.0001.210428T2245Z-210428T2315Z/

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

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southwestern Susquehanna County in northeastern Pennsylvania...
  Southeastern Bradford County in northeastern Pennsylvania...
  Wyoming County in northeastern Pennsylvania...

* Until 715 PM EDT.

* At 645 PM EDT, severe thunderstorms were located along a line
  extending from near Laceyville to near Mehoopany to near Lovelton,
  moving southeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Falls, Vernon, Harveys Lake, Tunkhannock, Hollenback, Factoryville,
  Noxen, Mehoopany, Nicholson and Meshoppen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4150 7624 4154 7622 4155 7629 4157 7631
      4163 7621 4170 7614 4163 7574 4153 7580
      4150 7578 4143 7583 4138 7601 4138 7613
TIME...MOT...LOC 2245Z 305DEG 31KT 4167 7612 4159 7613 4155 7626 

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

Butts
1 follow-up statement
401 
WWUS51 KBGM 282257
SVSBGM

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

PAC015-115-282305-
/O.CAN.KBGM.SV.W.0001.000000T0000Z-210428T2315Z/
Susquehanna PA-Bradford PA-
657 PM EDT Wed Apr 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SUSQUEHANNA AND
SOUTHEASTERN BRADFORD COUNTIES 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 4144 7606 4154 7622 4159 7616 4159 7610
      4165 7604 4164 7583 4163 7574 4153 7580
      4150 7578 4143 7583 4141 7592
TIME...MOT...LOC 2255Z 291DEG 36KT 4164 7595 4156 7596 4152 7609 

$$

PAC131-282315-
/O.CON.KBGM.SV.W.0001.000000T0000Z-210428T2315Z/
Wyoming PA-
657 PM EDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR WYOMING COUNTY...

At 655 PM EDT, severe thunderstorms were located along a line
extending from near Lake Carey to Tunkhannock to near Forkston,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Law enforcement. Trees were reported blown down on 
         powerlines in Meshoppen as these storms moved through.

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

Locations impacted include...
Falls, Vernon, Tunkhannock, Factoryville, Mehoopany, Nicholson,
Meshoppen, Forkston, Osterhout and Evans Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Additional statements will be issued as conditions warrant.

&&

LAT...LON 4144 7606 4154 7622 4159 7616 4159 7610
      4165 7604 4164 7583 4163 7574 4153 7580
      4150 7578 4143 7583 4141 7592
TIME...MOT...LOC 2255Z 291DEG 36KT 4164 7595 4156 7596 4152 7609 

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

Butts

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 5:35 PM EDTSpecial Weather StatementBGMBradford55 min
Apr 28, 6:29 PM EDTSpecial Weather StatementBGMWyoming46 min
Apr 28, 7:04 PM EDTSevere Thunderstorm WarningBGMLackawanna, Wayne, Wyoming11 min
Apr 28, 7:18 PM EDTSevere Thunderstorm WarningBGMLackawanna, Pike, Wayne42 min
Apr 28, 7:37 PM EDTSpecial Weather StatementBGMLuzerne53 min
Apr 28, 7:57 PM EDTSevere Thunderstorm WarningBGMPike, Wayne33 min

Nearby

Severe 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.