Alert archive / Pennsylvania / Tornado Warnings in 2020

Tornado Warning 2, NWS Binghamton, NY

July 30, 2020Susquehanna County, Pennsylvania

NWS Binghamton, NY issued this tornado warning at Jul 30, 2020, 6:45 PM EDT for Susquehanna County, Pennsylvania. It was in force for 30 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 30, 2020, 6:45 PM EDT (22:45 UTC)
Expired: Jul 30, 2020, 7:15 PM EDT
In force: 30 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Susquehanna County, PA

The radar

The Binghamton radar (KBGM), 65 km from the middle of the area, began a volume at 22:46 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 188 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: 146 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

986 
WFUS51 KBGM 302245
TORBGM
PAC115-302315-
/O.NEW.KBGM.TO.W.0002.200730T2245Z-200730T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
645 PM EDT Thu Jul 30 2020

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southeastern Susquehanna County in northeastern Pennsylvania...

* Until 715 PM EDT.
    
* At 645 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Hop Bottom, or 12 miles north of Waverly, moving
  east at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Royal and Lenoxville around 655 PM EDT.
  Forest City around 715 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4168 7578 4173 7575 4168 7546 4164 7548
      4164 7564
TIME...MOT...LOC 2245Z 289DEG 24KT 4170 7572 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Kistner

2 follow-up statements

729 
WWUS51 KBGM 302300
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
700 PM EDT Thu Jul 30 2020

PAC115-302315-
/O.CON.KBGM.TO.W.0002.000000T0000Z-200730T2315Z/
Susquehanna PA-
700 PM EDT Thu Jul 30 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
SOUTHEASTERN SUSQUEHANNA COUNTY...
    
At 659 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Royal, or 8 miles northwest of Carbondale, moving
east at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Forest City around 715 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4167 7563 4170 7560 4168 7546 4164 7548
      4164 7564
TIME...MOT...LOC 2259Z 289DEG 24KT 4167 7559 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Kistner

428 
WWUS51 KBGM 302306
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
706 PM EDT Thu Jul 30 2020

PAC115-302315-
/O.EXP.KBGM.TO.W.0002.000000T0000Z-200730T2315Z/
Susquehanna PA-
706 PM EDT Thu Jul 30 2020

...THE TORNADO WARNING FOR SOUTHEASTERN SUSQUEHANNA COUNTY WILL
EXPIRE AT 715 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 4167 7563 4170 7560 4168 7546 4164 7548
      4164 7564
TIME...MOT...LOC 2305Z 289DEG 24KT 4166 7557 

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 5:14 PM EDT	Special Weather Statement	BGM	Bradford	46 min
Jul 30, 5:19 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	56 min
Jul 30, 5:49 PM EDT	Special Weather Statement	BGM	Bradford	26 min
Jul 30, 6:02 PM EDT	Special Weather Statement	BGM	Susquehanna	28 min
Jul 30, 6:14 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna	61 min
Jul 30, 6:30 PM EDT	Special Weather Statement	BGM	Wayne	45 min
Jul 30, 6:43 PM EDT	Special Weather Statement	BGM	Susquehanna	32 min
Jul 30, 6:49 PM EDT	Areal Flood Advisory	BGM	Bradford	50 min
Jul 30, 7:13 PM EDT	Special Weather Statement	BGM	Wayne	47 min

Nearby

Tornado Warnings in Pennsylvania, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.