Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Binghamton, NY

July 12, 2021Lackawanna County, Susquehanna County, Wyoming County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 12, 2021, 10:35 PM EDT for Lackawanna County, Susquehanna County, Wyoming County, Pennsylvania. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 12, 2021, 10:35 PM EDT (02:35 UTC)
Expired
Jul 12, 2021, 11:15 PM EDT
In force
40 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Lackawanna County, PA, Susquehanna County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 54 km from the middle of the area, began a volume at 02:38 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.

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 2.6 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-pSkew-T log-p diagram, Albany, NY at 00:00Z on 2021-07-13Temperature 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 00:00Z on 2021-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

424 
WUUS51 KBGM 130235
SVRBGM
PAC069-115-131-130315-
/O.NEW.KBGM.SV.W.0161.210713T0235Z-210713T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
1035 PM EDT Mon Jul 12 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Susquehanna County in northeastern Pennsylvania...
  Northern Lackawanna County in northeastern Pennsylvania...
  Northeastern Wyoming County in northeastern Pennsylvania...

* Until 1115 PM EDT.

* At 1035 PM EDT, a severe thunderstorm was located over Springville,
  or 8 miles south of Montrose, moving northeast 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...
  Carbondale, Rush, Jackson, Clifford, Susquehanna, Forest City,
  Susquehanna Depot, Springville, Montrose and Dimock.

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 4162 7619 4165 7618 4165 7612 4179 7613
      4200 7606 4200 7548 4156 7546 4155 7595
TIME...MOT...LOC 0235Z 206DEG 40KT 4171 7590 

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

MJM
1 follow-up statement
131 
WWUS51 KBGM 130259
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
1059 PM EDT Mon Jul 12 2021

PAC069-115-131-130315-
/O.CON.KBGM.SV.W.0161.000000T0000Z-210713T0315Z/
Susquehanna PA-Lackawanna PA-Wyoming PA-
1059 PM EDT Mon Jul 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SUSQUEHANNA...NORTHERN LACKAWANNA AND NORTHEASTERN WYOMING
COUNTIES...

At 1059 PM EDT, a severe thunderstorm was located over New Milford,
or 8 miles east of Montrose, moving northeast at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Carbondale, Jackson, Clifford, Susquehanna, Forest City, Susquehanna
Depot, Montrose, Dimock, Harford and Hallstead.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4165 7590 4184 7592 4200 7585 4200 7548
      4156 7546 4155 7583
TIME...MOT...LOC 0259Z 216DEG 32KT 4187 7572 

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

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 8:17 PM EDTSevere Thunderstorm WarningBGMBradford43 min
Jul 12, 8:29 PM EDTFlash Flood WarningBGMSusquehanna, Wayne2 hr
Jul 12, 8:33 PM EDTFlash Flood WarningBGMBradford3 hr
Jul 12, 8:59 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wyoming46 min
Jul 12, 9:43 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wyoming47 min
Jul 12, 9:54 PM EDTFlash Flood Warning Considerable damage threatBGMBradford2 hr
Jul 12, 10:09 PM EDTFlash Flood WarningBGMSusquehanna, Wyoming3 hr
Jul 12, 10:28 PM EDTSpecial Weather StatementBGMWyoming32 min
Jul 12, 10:59 PM EDTAreal Flood AdvisoryBGMWayne2 hr
Jul 12, 11:09 PM EDTSevere Thunderstorm WarningBGMLackawanna, Pike, Susquehanna, Wayne51 min
Jul 12, 11:17 PM EDTAreal Flood AdvisoryBGMLackawanna, Susquehanna118 min
Jul 12, 11:38 PM EDTAreal Flood AdvisoryBGMLackawanna, Susquehanna, Wayne112 min
Jul 12, 11:46 PM EDTFlash Flood WarningBGMBradford3 hr
Jul 12, 11:58 PM EDTSpecial Weather StatementBGMLackawanna, Wayne47 min
Jul 13, 12:25 AM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne2 hr
Jul 13, 12:54 AM EDTAreal Flood AdvisoryBGMLackawanna, Pike, Wayne2 hr
Jul 13, 1:33 AM EDTAreal Flood AdvisoryBGMLackawanna81 min
Jul 13, 12:48 PM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Susquehanna, Wyoming11 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.