Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 13, NWS Binghamton, NY

October 15, 2021Cayuga County, Onondaga County, New York

NWS Binghamton, NY issued this tornado warning at Oct 15, 2021, 4:03 PM EDT for Cayuga County, Onondaga County, New York. It was in force for 27 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
Oct 15, 2021, 4:03 PM EDT (20:03 UTC)
Expired
Oct 15, 2021, 4:30 PM EDT
In force
27 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Cayuga County, NY, Onondaga County, NY

The radar

The Binghamton radar (KBGM), 81 km from the middle of the area, began a volume at 20:04 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.1 hours before the alert went out and 175 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, Buffalo Intl Airport, NY at 12:00Z on 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

014 
WFUS51 KBGM 152003
TORBGM
NYC011-067-152030-
/O.NEW.KBGM.TO.W.0013.211015T2003Z-211015T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
403 PM EDT Fri Oct 15 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Central Cayuga County in central New York...
  Southwestern Onondaga County in central New York...

* Until 430 PM EDT.
    
* At 403 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Levanna, or 10 miles south of Auburn, moving east
  at 20 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Venice Center around 415 PM EDT.
  Fleming and Scipio Center around 420 PM EDT.
  Casowasco and Cascade around 425 PM EDT.
  Owasco, Moravia and Niles around 430 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 4272 7665 4277 7669 4287 7669 4297 7643
      4271 7629
TIME...MOT...LOC 2003Z 261DEG 18KT 4278 7664 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

HLC
2 follow-up statements
317 
WWUS51 KBGM 152010
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
410 PM EDT Fri Oct 15 2021

NYC011-067-152030-
/O.CON.KBGM.TO.W.0013.000000T0000Z-211015T2030Z/
Cayuga NY-Onondaga NY-
410 PM EDT Fri Oct 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR CENTRAL
CAYUGA AND SOUTHWESTERN ONONDAGA COUNTIES...
    
At 409 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Scipio Center, or 10 miles south of Auburn, moving
east at 20 mph.

HAZARD...Tornado and quarter size hail.

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...
  Venice Center around 415 PM EDT.
  Fleming and Scipio Center around 420 PM EDT.
  Casowasco and Cascade around 425 PM EDT.
  Owasco, Moravia and Niles around 430 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 4273 7658 4277 7664 4287 7664 4297 7643
      4271 7629
TIME...MOT...LOC 2009Z 261DEG 18KT 4279 7659 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

HLC
693 
WWUS51 KBGM 152017
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
417 PM EDT Fri Oct 15 2021

NYC011-067-152030-
/O.CON.KBGM.TO.W.0013.000000T0000Z-211015T2030Z/
Cayuga NY-Onondaga NY-
417 PM EDT Fri Oct 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR CENTRAL
CAYUGA AND SOUTHWESTERN ONONDAGA COUNTIES...
    
At 417 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Scipio Center, or 9 miles south of Auburn, moving
east at 20 mph.

HAZARD...Tornado and quarter size hail.

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...
  Cascade around 425 PM EDT.
  Owasco around 435 PM EDT.
  Niles around 440 PM EDT.
  Sempronius and Kelloggsville around 445 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 4274 7658 4279 7659 4287 7662 4297 7643
      4271 7629
TIME...MOT...LOC 2017Z 261DEG 18KT 4279 7654 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

HLC

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 3:45 PM EDTSevere Thunderstorm WarningBGMCayuga, Onondaga, Seneca30 min
Oct 15, 4:27 PM EDTSevere Thunderstorm WarningBGMCayuga, Cortland, Onondaga23 min
Oct 15, 4:46 PM EDTSpecial Weather StatementBGMYates44 min
Oct 15, 5:43 PM EDTSpecial Weather StatementBGMMadison47 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.