Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 101, NWS Binghamton, NY

July 2, 2021Susquehanna County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 2, 2021, 6:46 PM EDT for Susquehanna County, Pennsylvania. It was in force for 44 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 2, 2021, 6:46 PM EDT (22:46 UTC)
Expired
Jul 2, 2021, 7:30 PM EDT
In force
44 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Susquehanna County, PA

The radar

The Binghamton radar (KBGM), 30 km from the middle of the area, began a volume at 22:47 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 12:00Z, 10.8 hours before the alert went out and 194 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 2021-07-02Temperature 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 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939587897117Sfc1 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
721 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

050 
WUUS51 KBGM 022246
SVRBGM
PAC115-022330-
/O.NEW.KBGM.SV.W.0101.210702T2246Z-210702T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
646 PM EDT Fri Jul 2 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Northwestern Susquehanna County in northeastern Pennsylvania...

* Until 730 PM EDT.

* At 646 PM EDT, a severe thunderstorm was located over Friendsville,
  or 8 miles northwest of Montrose, moving east at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Montrose, Hallstead, New Milford, Great Bend, Friendsville,
  Brackney, Birchardville, Middletown Center, Salt Springs State Park
  and Wyoanna.

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 4197 7614 4200 7596 4200 7573 4183 7566
      4180 7610
TIME...MOT...LOC 2246Z 260DEG 17KT 4190 7601 

HAIL...0.88IN
WIND...60MPH
 
$$

AJG
3 follow-up statements
256 
WWUS51 KBGM 022303
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
703 PM EDT Fri Jul 2 2021

PAC115-022330-
/O.CON.KBGM.SV.W.0101.000000T0000Z-210702T2330Z/
Susquehanna PA-
703 PM EDT Fri Jul 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN SUSQUEHANNA COUNTY...

At 703 PM EDT, a severe thunderstorm was located near Brackney, or
near Montrose, moving east at 20 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...
Montrose, Hallstead, New Milford, Great Bend, Friendsville, Brackney,
Birchardville, Salt Springs State Park, Wyoanna and Middletown
Center.

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 4197 7614 4200 7596 4200 7573 4183 7566
      4181 7592 4187 7611
TIME...MOT...LOC 2303Z 260DEG 17KT 4191 7590 

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

AJG
662 
WWUS51 KBGM 022318
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
718 PM EDT Fri Jul 2 2021

PAC115-022330-
/O.CON.KBGM.SV.W.0101.000000T0000Z-210702T2330Z/
Susquehanna PA-
718 PM EDT Fri Jul 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN SUSQUEHANNA COUNTY...

At 718 PM EDT, a severe thunderstorm was located near Hallstead, or 7
miles northeast of Montrose, moving east at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Montrose, Hallstead, New Milford, Great Bend, Friendsville, Brackney,
Salt Springs State Park and Wyoanna.

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 4197 7611 4200 7596 4200 7573 4183 7566
      4182 7588 4188 7596 4188 7608
TIME...MOT...LOC 2318Z 260DEG 17KT 4192 7580 

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

AJG
267 
WWUS51 KBGM 022328
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
728 PM EDT Fri Jul 2 2021

PAC115-022337-
/O.EXP.KBGM.SV.W.0101.000000T0000Z-210702T2330Z/
Susquehanna PA-
728 PM EDT Fri Jul 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUSQUEHANNA
COUNTY WILL EXPIRE AT 730 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Binghamton.

LAT...LON 4197 7611 4200 7596 4200 7573 4183 7566
      4182 7588 4188 7596 4188 7608
TIME...MOT...LOC 2327Z 260DEG 17KT 4193 7575 

$$

AJG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 3:58 PM EDTSpecial Weather StatementBGMLuzerne32 min
Jul 2, 5:25 PM EDTSpecial Weather StatementBGMBradford35 min
Jul 2, 5:32 PM EDTSpecial Weather StatementBGMBradford43 min
Jul 2, 5:37 PM EDTSevere Thunderstorm WarningBGMBradford23 min
Jul 2, 5:52 PM EDTSpecial Weather StatementBGMWayne23 min
Jul 2, 6:08 PM EDTAreal Flood AdvisoryBGMBradford112 min
Jul 2, 6:08 PM EDTSpecial Weather StatementBGMBradford37 min
Jul 2, 6:21 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna24 min
Jul 2, 6:30 PM EDTFlash Flood WarningBGMBradford3 hr
Jul 2, 6:40 PM EDTSpecial Weather StatementBGMSusquehanna35 min
Jul 2, 6:57 PM EDTAreal Flood AdvisoryBGMBradford, Susquehanna9 min
Jul 2, 7:06 PM EDTFlash Flood WarningBGMBradford, Susquehanna3 hr
Jul 2, 7:22 PM EDTAreal Flood AdvisoryBGMSusquehanna113 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.