Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 16, NWS Binghamton, NY

October 16, 2021Cayuga County, Cortland County, Onondaga County, New York

NWS Binghamton, NY issued this tornado warning at Oct 16, 2021, 6:25 AM EDT for Cayuga County, Cortland County, Onondaga County, New York. It was in force for 35 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 16, 2021, 6:25 AM EDT (10:25 UTC)
Expired
Oct 16, 2021, 7:00 AM EDT
In force
35 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Cayuga County, NY, Cortland County, NY, Onondaga County, NY

The radar

The Binghamton radar (KBGM), 73 km from the middle of the area, began a volume at 10:24 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 00:00Z, 10.4 hours before the alert went out and 196 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 00:00Z on 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 630 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
630 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

275 
WFUS51 KBGM 161025
TORBGM
NYC011-023-067-161100-
/O.NEW.KBGM.TO.W.0016.211016T1025Z-211016T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
625 AM EDT Sat Oct 16 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southeastern Cayuga County in central New York...
  Northwestern Cortland County in central New York...
  Southern Onondaga County in central New York...

* Until 700 AM EDT.
    
* At 625 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Kelloggsville, or 13 miles southeast of Auburn,
  moving northeast at 35 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...
  Sempronius and Kelloggsville around 630 AM EDT.
  Otisco around 645 AM EDT.
  Tully around 650 AM EDT.
  La Fayette around 655 AM EDT.
  Pompey around 700 AM 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4271 7644 4279 7651 4287 7641 4301 7606
      4277 7594
TIME...MOT...LOC 1025Z 237DEG 32KT 4278 7641 

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

$$

MPH
3 follow-up statements
669 
WWUS51 KBGM 161035
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
635 AM EDT Sat Oct 16 2021

NYC023-161043-
/O.CAN.KBGM.TO.W.0016.000000T0000Z-211016T1100Z/
Cortland NY-
635 AM EDT Sat Oct 16 2021

...THE TORNADO WARNING FOR NORTHWESTERN CORTLAND COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved far 
enough north that Cortland County is no longer at risk. Therefore, 
the warning has been cancelled.

LAT...LON 4276 7643 4280 7643 4287 7641 4301 7606
      4279 7595
TIME...MOT...LOC 1033Z 230DEG 32KT 4284 7634 

$$

NYC011-067-161100-
/O.CON.KBGM.TO.W.0016.000000T0000Z-211016T1100Z/
Cayuga NY-Onondaga NY-
635 AM EDT Sat Oct 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR EAST
CENTRAL CAYUGA AND SOUTHERN ONONDAGA COUNTIES...
    
At 633 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Niles, or 13 miles southeast of Auburn, moving
northeast at 35 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...
  Otisco around 645 AM EDT.
  La Fayette around 655 AM EDT.
  Pompey around 700 AM EDT.

The storm may be showing some initial signs of weakening, but has a 
history of pulsing and may simply be going through another cycle.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4276 7643 4280 7643 4287 7641 4301 7606
      4279 7595
TIME...MOT...LOC 1033Z 230DEG 32KT 4284 7634 

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

$$

MPH
029 
WWUS51 KBGM 161046
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
646 AM EDT Sat Oct 16 2021

NYC011-161055-
/O.CAN.KBGM.TO.W.0016.000000T0000Z-211016T1100Z/
Cayuga NY-
646 AM EDT Sat Oct 16 2021

...THE TORNADO WARNING FOR EAST CENTRAL CAYUGA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4279 7628 4282 7631 4290 7633 4301 7606
      4284 7598 4280 7612
TIME...MOT...LOC 1045Z 236DEG 31KT 4288 7624 

$$

NYC067-161100-
/O.CON.KBGM.TO.W.0016.000000T0000Z-211016T1100Z/
Onondaga NY-
646 AM EDT Sat Oct 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR
SOUTHEASTERN ONONDAGA COUNTY...
    
At 645 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Otisco, or 12 miles southwest of Syracuse, moving
northeast at 35 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...
  La Fayette around 655 AM EDT.
  Pompey around 705 AM 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4279 7628 4282 7631 4290 7633 4301 7606
      4284 7598 4280 7612
TIME...MOT...LOC 1045Z 236DEG 31KT 4288 7624 

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

$$

MPH
113 
WWUS51 KBGM 161051
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
651 AM EDT Sat Oct 16 2021

NYC067-161101-
/O.EXP.KBGM.TO.W.0016.000000T0000Z-211016T1100Z/
Onondaga NY-
651 AM EDT Sat Oct 16 2021

...THE TORNADO WARNING FOR SOUTHEASTERN ONONDAGA COUNTY WILL EXPIRE
AT 700 AM 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.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4279 7628 4282 7631 4290 7633 4301 7606
      4284 7598 4280 7612
TIME...MOT...LOC 1051Z 237DEG 32KT 4290 7620 

$$

MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 4:07 AM EDTSpecial Weather StatementBGMSteuben38 min
Oct 16, 4:43 AM EDTSpecial Weather StatementBGMSchuyler, Steuben, Yates47 min
Oct 16, 4:49 AM EDTSevere Thunderstorm WarningBGMSchuyler, Steuben, Yates41 min
Oct 16, 5:13 AM EDTSpecial Weather StatementBGMSeneca47 min
Oct 16, 5:31 AM EDTSevere Thunderstorm WarningBGMSchuyler, Seneca, Steuben, Yates44 min
Oct 16, 5:34 AM EDTTornado WarningBGMSchuyler, Seneca, Yates26 min
Oct 16, 5:55 AM EDTTornado WarningBGMCayuga, Seneca, Tompkins35 min
Oct 16, 6:50 AM EDTSpecial Weather StatementBGMOnondaga40 min
Oct 16, 9:33 AM EDTSpecial Weather StatementBGMTompkins27 min
Oct 16, 9:48 AM EDTSevere Thunderstorm WarningBGMCayuga, Cortland, Onondaga, Tompkins42 min
Oct 16, 10:20 AM EDTAreal Flood AdvisoryBGMCayuga, Onondaga3 hr
Oct 16, 10:27 AM EDTSpecial Weather StatementBGMOnondaga33 min
Oct 16, 10:59 AM EDTAreal Flood AdvisoryBGMMadison, Onondaga3 hr
Oct 16, 11:15 AM EDTSpecial Weather StatementBGMOneida30 min
Oct 16, 11:30 AM EDTSevere Thunderstorm WarningBGMCayuga, Cortland, Onondaga, Tompkins20 min
Oct 16, 11:50 AM EDTSpecial Weather StatementBGMChenango25 min
Oct 16, 12:53 PM EDTAreal Flood AdvisoryBGMChenango, Cortland, Madison3 hr
Oct 16, 3:23 PM EDTSpecial Weather StatementBGMSullivan37 min
Oct 16, 4:49 PM EDTRiver Flood WarningBGMOnondaga5 hr

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.