Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 7, NWS Binghamton, NY

July 17, 2021Steuben County, New York

NWS Binghamton, NY issued this tornado warning at Jul 17, 2021, 2:27 PM EDT for Steuben County, New York. It was in force for 33 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 17, 2021, 2:27 PM EDT (18:27 UTC)
Expired: Jul 17, 2021, 3:00 PM EDT
In force: 33 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Steuben County, NY

The radar

The Binghamton radar (KBGM), 127 km from the middle of the area, began a volume at 18:26 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, 6.5 hours before the alert went out and 135 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 558 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

236 
WFUS51 KBGM 171827
TORBGM
NYC101-171900-
/O.NEW.KBGM.TO.W.0007.210717T1827Z-210717T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Binghamton NY
227 PM EDT Sat Jul 17 2021

The National Weather Service in Binghamton has issued a

* Tornado Warning for...
  Southwestern Steuben County in central New York...

* Until 300 PM EDT.
    
* At 226 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Troupsburg, or 16 miles east of Wellsville, moving
  east at 25 mph.

  HAZARD...Tornado and half dollar 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...
  Troupsburg around 235 PM EDT.
  Jasper around 245 PM EDT.
  Woodhull around 250 PM EDT.
  Cameron around 300 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 4223 7738 4202 7726 4201 7753 4200 7762
      4200 7770 4209 7775
TIME...MOT...LOC 1826Z 250DEG 24KT 4206 7763 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Kistner

3 follow-up statements

833 
WWUS51 KBGM 171837
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
237 PM EDT Sat Jul 17 2021

NYC101-171900-
/O.CON.KBGM.TO.W.0007.000000T0000Z-210717T1900Z/
Steuben NY-
237 PM EDT Sat Jul 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
SOUTHWESTERN STEUBEN COUNTY...
    
At 237 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Troupsburg, or 17 miles south of Hornell, moving
east at 30 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...
  Jasper around 245 PM EDT.
  Woodhull around 255 PM EDT.
  Cameron around 300 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 4223 7738 4207 7729 4204 7758 4212 7762
TIME...MOT...LOC 1837Z 250DEG 24KT 4208 7757 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Kistner

845 
WWUS51 KBGM 171849
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
249 PM EDT Sat Jul 17 2021

NYC101-171900-
/O.CON.KBGM.TO.W.0007.000000T0000Z-210717T1900Z/
Steuben NY-
249 PM EDT Sat Jul 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR SOUTH
CENTRAL STEUBEN COUNTY...
    
At 249 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Jasper, or 18 miles southeast of Hornell, moving
east at 30 mph.

HAZARD...Tornado and ping pong ball 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...
  Cameron around 300 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 4223 7738 4210 7731 4207 7750 4214 7753
TIME...MOT...LOC 1849Z 250DEG 24KT 4211 7746 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Kistner

150 
WWUS51 KBGM 171901
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
301 PM EDT Sat Jul 17 2021

NYC101-171911-
/O.EXP.KBGM.TO.W.0007.000000T0000Z-210717T1900Z/
Steuben NY-
301 PM EDT Sat Jul 17 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL STEUBEN COUNTY HAS
EXPIRED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

LAT...LON 4223 7738 4210 7731 4207 7750 4214 7753
TIME...MOT...LOC 1901Z 250DEG 24KT 4213 7738 

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 9:39 AM EDT	Special Weather Statement	BGM	Schuyler, Steuben, Yates	36 min
Jul 17, 12:42 PM EDT	Special Weather Statement	BGM	Otsego	48 min
Jul 17, 1:29 PM EDT	Special Weather Statement	BGM	Otsego	31 min
Jul 17, 1:32 PM EDT	Areal Flood Advisory	BGM	Otsego	98 min
Jul 17, 2:04 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	56 min
Jul 17, 2:14 PM EDT	Areal Flood Advisory	BGM	Steuben	110 min
Jul 17, 2:57 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	48 min
Jul 17, 3:05 PM EDT	Areal Flood Advisory	BGM	Steuben	115 min
Jul 17, 3:20 PM EDT	Areal Flood Advisory	BGM	Delaware, Sullivan	117 min
Jul 17, 3:42 PM EDT	Special Weather Statement	BGM	Schuyler	33 min
Jul 17, 3:50 PM EDT	Areal Flood Advisory	BGM	Delaware	86 min
Jul 17, 3:59 PM EDT	Special Weather Statement	BGM	Delaware	46 min
Jul 17, 4:01 PM EDT	Areal Flood Advisory	BGM	Chemung, Schuyler, Steuben, Tompkins	63 min
Jul 17, 4:16 PM EDT	Special Weather Statement	BGM	Tompkins	29 min
Jul 17, 4:30 PM EDT	Severe Thunderstorm Warning	BGM	Tompkins	45 min
Jul 17, 4:55 PM EDT	Flash Flood Warning	BGM	Delaware, Sullivan	4 hr
Jul 17, 4:57 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Cortland, Tioga, Tompkins	33 min
Jul 17, 5:12 PM EDT	Areal Flood Advisory	BGM	Broome, Chemung, Cortland, Schuyler, Tioga, Tompkins	55 min
Jul 17, 5:21 PM EDT	Special Weather Statement	BGM	Delaware	24 min
Jul 17, 5:23 PM EDT	Severe Thunderstorm Warning	BGM	Broome	67 min
Jul 17, 5:24 PM EDT	Severe Thunderstorm Warning	BGM	Tioga, Tompkins	27 min
Jul 17, 5:28 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland	47 min
Jul 17, 5:36 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Delaware, Otsego	39 min
Jul 17, 6:06 PM EDT	Areal Flood Advisory	BGM	Broome, Chemung, Chenango, Cortland, Tioga	94 min
Jul 17, 6:14 PM EDT	Severe Thunderstorm Warning	BGM	Chenango	31 min
Jul 17, 6:20 PM EDT	Tornado Warning	BGM	Chenango, Otsego	25 min
Jul 17, 6:29 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	28 min
Jul 17, 6:39 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Tioga	36 min
Jul 17, 6:59 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Tioga	34 min
Jul 17, 7:06 PM EDT	Areal Flood Advisory	BGM	Broome, Chenango, Delaware, Otsego	2 hr
Jul 17, 7:23 PM EDT	Flash Flood Warning	BGM	Broome, Chenango, Delaware, Otsego	2 hr

Nearby

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