Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 9, NWS Binghamton, NY

August 1, 2021Delaware County, New York

NWS Binghamton, NY issued this tornado warning at Aug 1, 2021, 4:09 PM EDT for Delaware County, New York. It was in force for 21 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
Aug 1, 2021, 4:09 PM EDT (20:09 UTC)
Expired
Aug 1, 2021, 4:30 PM EDT
In force
21 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Delaware County, NY

The radar

The Binghamton radar (KBGM), 71 km from the middle of the area, began a volume at 20:11 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, 8.2 hours before the alert went out and 120 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 2021-08-01Temperature 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 2021-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
1357 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

044 
WFUS51 KBGM 012009
TORBGM
NYC025-012030-
/O.NEW.KBGM.TO.W.0009.210801T2009Z-210801T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
409 PM EDT Sun Aug 1 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  West central Delaware County in central New York...

* Until 430 PM EDT.
    
* At 409 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Walton, 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...
  Walton around 420 PM EDT.
  Colchester around 425 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 4215 7520 4220 7521 4224 7501 4215 7498
TIME...MOT...LOC 2009Z 261DEG 15KT 4217 7517 

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

$$

AJG
1 follow-up statement
652 
WWUS51 KBGM 012020
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
420 PM EDT Sun Aug 1 2021

NYC025-012030-
/O.CON.KBGM.TO.W.0009.000000T0000Z-210801T2030Z/
Delaware NY-
420 PM EDT Sun Aug 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR CENTRAL
DELAWARE COUNTY...
    
At 420 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Walton, moving east at 15 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 tornadic thunderstorm will remain over mainly rural areas of
central Delaware County.

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 4218 7514 4221 7515 4224 7501 4218 7499
TIME...MOT...LOC 2020Z 261DEG 15KT 4218 7511 

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

$$

AJG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 10:03 AM EDTSpecial Weather StatementBGMYates27 min
Aug 1, 10:36 AM EDTSpecial Weather StatementBGMSchuyler, Seneca, Yates24 min
Aug 1, 10:59 AM EDTSpecial Weather StatementBGMSchuyler, Yates46 min
Aug 1, 11:45 AM EDTSpecial Weather StatementBGMTompkins45 min
Aug 1, 11:56 AM EDTSpecial Weather StatementBGMMadison49 min
Aug 1, 12:29 PM EDTSevere Thunderstorm WarningBGMCayuga, Chenango, Cortland, Madison, Onondaga, Tompkins46 min
Aug 1, 12:42 PM EDTSpecial Weather StatementBGMSchuyler48 min
Aug 1, 12:45 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben, Tompkins45 min
Aug 1, 1:05 PM EDTSevere Thunderstorm WarningBGMSteuben55 min
Aug 1, 1:14 PM EDTSevere Thunderstorm WarningBGMChenango, Cortland, Madison, Oneida46 min
Aug 1, 1:35 PM EDTAreal Flood AdvisoryBGMChemung, Schuyler, Steuben, Tompkins85 min
Aug 1, 2:06 PM EDTSpecial Weather StatementBGMChemung39 min
Aug 1, 2:52 PM EDTSpecial Weather StatementBGMOtsego38 min
Aug 1, 3:40 PM EDTSpecial Weather StatementBGMOtsego35 min
Aug 1, 3:55 PM EDTAreal Flood AdvisoryBGMChenango, Delaware, Otsego65 min
Aug 1, 4:00 PM EDTSevere Thunderstorm WarningBGMOtsego15 min
Aug 1, 4:31 PM EDTSpecial Weather StatementBGMDelaware44 min

Nearby

Tornado Warnings in New York, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.