Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 4, NWS Binghamton, NY

July 12, 2021Delaware County, New York; Wayne County, Pennsylvania

NWS Binghamton, NY issued this tornado warning at Jul 12, 2021, 7:45 PM EDT for Delaware County, New York; Wayne County, Pennsylvania. It was in force for 30 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
Jul 12, 2021, 7:45 PM EDT (23:45 UTC)
Expired
Jul 12, 2021, 8:15 PM EDT
In force
30 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Delaware County, NY, Wayne County, PA

The radar

The Binghamton radar (KBGM), 64 km from the middle of the area, began a volume at 23:44 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
Jul 12, 8:13 PM EDTTSTM WND DMG1 Ene Starlight, PAMULTIPLE TREES 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, 11.8 hours before the alert went out and 152 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 2021-07-12Temperature 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 2021-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
566 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

027 
WFUS51 KBGM 122345
TORBGM
NYC025-PAC127-130015-
/O.NEW.KBGM.TO.W.0004.210712T2345Z-210713T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
745 PM EDT Mon Jul 12 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southwestern Delaware County in central New York...
  Northwestern Wayne County in northeastern Pennsylvania...

* Until 815 PM EDT.
    
* At 745 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Starruca, or 9 miles south of Deposit, moving east
  at 20 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...
  Hiawatha and Shehawken around 800 PM EDT.
  Starlight around 805 PM EDT.
  Hancock around 810 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 4182 7523 4188 7548 4196 7548 4200 7523
TIME...MOT...LOC 2345Z 278DEG 16KT 4193 7545 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

AJG
2 follow-up statements
692 
WWUS51 KBGM 122357
SVSBGM

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

NYC025-PAC127-130015-
/O.CON.KBGM.TO.W.0004.000000T0000Z-210713T0015Z/
Delaware NY-Wayne PA-
757 PM EDT Mon Jul 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN DELAWARE AND NORTHWESTERN WAYNE COUNTIES...
    
At 757 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hiawatha, or 10 miles south of Deposit, moving east
at 20 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...
  Starlight around 805 PM EDT.
  Hancock around 810 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 4185 7523 4189 7547 4195 7546 4198 7523
TIME...MOT...LOC 2357Z 278DEG 16KT 4192 7538 

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

$$

AJG
899 
WWUS51 KBGM 130009
SVSBGM

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

NYC025-PAC127-130019-
/O.EXP.KBGM.TO.W.0004.000000T0000Z-210713T0015Z/
Delaware NY-Wayne PA-
809 PM EDT Mon Jul 12 2021

...THE TORNADO WARNING FOR SOUTHWESTERN DELAWARE AND NORTHWESTERN
WAYNE COUNTIES WILL EXPIRE AT 815 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 4185 7523 4189 7547 4195 7546 4198 7523
TIME...MOT...LOC 0009Z 278DEG 16KT 4191 7532 

$$

AJG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:29 PM EDTAreal Flood AdvisoryBGMChenango, Delaware, Otsego51 min
Jul 11, 9:20 PM EDTFlash Flood WarningBGMChenango, Delaware, Otsego2 hr
Jul 12, 12:33 AM EDTAreal Flood AdvisoryBGMCayuga, Schuyler, Seneca, Tompkins3 hr
Jul 12, 1:11 AM EDTFlash Flood WarningBGMCayuga, Seneca, Tompkins3 hr
Jul 12, 1:41 AM EDTAreal Flood AdvisoryBGMCayuga, Cortland, Onondaga3 hr
Jul 12, 4:44 AM EDTAreal Flood AdvisoryBGMOneida3 hr
Jul 12, 5:16 AM EDTAreal Flood WarningBGMOneida3 hr
Jul 12, 5:22 AM EDTAreal Flood WarningBGMMadison, Onondaga118 min
Jul 12, 5:31 AM EDTAreal Flood AdvisoryBGMSullivan3 hr
Jul 12, 6:06 AM EDTFlash Flood WarningBGMSullivan3 hr
Jul 12, 9:22 AM EDTRiver Flood WarningBGMDelaware4 hr
Jul 12, 10:58 AM EDTFlash Flood WatchBGMBroome, Chemung, Chenango, Delaware, Steuben, Sullivan and 1 more15 hr
Jul 12, 4:08 PM EDTAreal Flood AdvisoryBGMSteuben30 min
Jul 12, 4:38 PM EDTFlash Flood WarningBGMSteuben77 min
Jul 12, 4:50 PM EDTAreal Flood AdvisoryBGMSteuben65 min
Jul 12, 5:12 PM EDTAreal Flood AdvisoryBGMBroome, Chemung, Chenango, Tioga108 min
Jul 12, 5:19 PM EDTSpecial Weather StatementBGMBroome41 min
Jul 12, 6:37 PM EDTFlash Flood WarningBGMBroome, Tioga3 hr
Jul 12, 7:05 PM EDTFlash Flood WarningBGMChemung, Tioga3 hr
Jul 11, 8:11 PM EDTSevere Thunderstorm WarningBGMWyoming34 min
Jul 11, 8:42 PM EDTSevere Thunderstorm WarningBGMWyoming48 min
Jul 11, 8:51 PM EDTSevere Thunderstorm WarningBGMLuzerne54 min
Jul 11, 9:45 PM EDTSevere Thunderstorm WarningBGMLuzerne45 min
Jul 11, 9:58 PM EDTSevere Thunderstorm WarningBGMLuzerne62 min
Jul 11, 10:13 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne47 min
Jul 12, 5:02 PM EDTSpecial Weather StatementBGMPike13 min
Jul 12, 5:22 PM EDTAreal Flood AdvisoryBGMPike3 hr
Jul 12, 6:05 PM EDTSpecial Weather StatementBGMSusquehanna25 min
Jul 12, 6:31 PM EDTSpecial Weather StatementBGMSusquehanna44 min
Jul 12, 7:08 PM EDTTornado WarningBGMSusquehanna, Wayne37 min
Jul 12, 7:29 PM EDTSpecial Weather StatementBGMBradford31 min
Jul 12, 7:36 PM EDTTornado WarningBGMBradford24 min
Jul 12, 7:59 PM EDTTornado WarningBGMBradford17 min

Nearby

Tornado Warnings in New York, 2021Tornado Warnings in Pennsylvania, 2021Every tornado warning in 2021Tornadoes 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.