Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 264, NWS Binghamton, NY

September 15, 2021Schuyler County, Tompkins County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Sep 15, 2021, 2:14 PM EDT for Schuyler County, Tompkins County, New York. It was in force for 26 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
Sep 15, 2021, 2:14 PM EDT (18:14 UTC)
Expired
Sep 15, 2021, 2:40 PM EDT
In force
26 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Possible
Hail
1.25 in
Wind
60.0 mph

Counties Schuyler County, NY, Tompkins County, NY

The radar

The Binghamton radar (KBGM), 82 km from the middle of the area, began a volume at 18:17 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
Sep 15, 2:14 PM EDTTSTM WND DMG3 Nw Townsend, NYTREE DOWN ON THE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.2 hours before the alert went out and 155 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 2021-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 236 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 12:00Z on 2021-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
236 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

357 
WUUS51 KBGM 151814
SVRBGM
NYC097-109-151900-
/O.NEW.KBGM.SV.W.0264.210915T1814Z-210915T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
214 PM EDT Wed Sep 15 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Schuyler County in central New York...
  Southwestern Tompkins County in central New York...

* Until 300 PM EDT.

* At 214 PM EDT, a severe thunderstorm was located over Tyrone, or 7
  miles west of Watkins Glen, moving east at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Hector, Enfield, Watkins Glen, Trumansburg, Catharine, Montour
  Falls, Tyrone, Bradford, Odessa and Burdett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Binghamton.

&&

LAT...LON 4249 7699 4246 7698 4246 7691 4247 7689
      4248 7690 4250 7690 4255 7665 4229 7661
      4229 7709 4238 7711 4246 7710
TIME...MOT...LOC 1814Z 262DEG 25KT 4240 7702 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BJT
2 follow-up statements
404 
WWUS51 KBGM 151834
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
234 PM EDT Wed Sep 15 2021

NYC097-109-151900-
/O.CON.KBGM.SV.W.0264.000000T0000Z-210915T1900Z/
Schuyler NY-Tompkins NY-
234 PM EDT Wed Sep 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR EASTERN SCHUYLER AND SOUTHWESTERN TOMPKINS COUNTIES...

At 234 PM EDT, a severe thunderstorm was located near Reynoldsville,
or near Watkins Glen, moving east at 35 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Hector, Enfield, Watkins Glen, Trumansburg, Catharine, Montour Falls,
Odessa, Burdett, Reynoldsville and Alpine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Binghamton.

&&

LAT...LON 4246 7691 4247 7689 4248 7690 4250 7690
      4255 7665 4229 7661 4229 7689
TIME...MOT...LOC 1834Z 263DEG 31KT 4242 7678 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BJT
286 
WWUS51 KBGM 151840
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
240 PM EDT Wed Sep 15 2021

NYC097-109-151849-
/O.CAN.KBGM.SV.W.0264.000000T0000Z-210915T1900Z/
Schuyler NY-Tompkins NY-
240 PM EDT Wed Sep 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SCHUYLER AND
SOUTHWESTERN TOMPKINS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Binghamton.

LAT...LON 4246 7691 4247 7689 4248 7690 4250 7690
      4255 7665 4229 7661 4229 7689
TIME...MOT...LOC 1838Z 262DEG 25KT 4243 7673 

$$

BJT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 5:56 AM EDTSpecial Weather StatementBGMOneida34 min
Sep 15, 6:27 AM EDTSpecial Weather StatementBGMOneida33 min
Sep 15, 12:10 PM EDTSpecial Weather StatementBGMOtsego35 min
Sep 15, 12:15 PM EDTSevere Thunderstorm WarningBGMOtsego45 min
Sep 15, 12:18 PM EDTSpecial Weather StatementBGMBroome, Chenango27 min
Sep 15, 12:43 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware47 min
Sep 15, 12:46 PM EDTSevere Thunderstorm WarningBGMTioga44 min
Sep 15, 12:50 PM EDTAreal Flood AdvisoryBGMOtsego3 hr
Sep 15, 1:07 PM EDTSpecial Weather StatementBGMSteuben38 min
Sep 15, 1:09 PM EDTSevere Thunderstorm WarningBGMChenango, Delaware, Otsego51 min
Sep 15, 1:22 PM EDTSevere Thunderstorm WarningBGMBroome23 min
Sep 15, 1:39 PM EDTSevere Thunderstorm WarningBGMSchuyler, Steuben51 min
Sep 15, 1:56 PM EDTAreal Flood AdvisoryBGMBroome, Chenango, Delaware, Otsego3 hr
Sep 15, 2:00 PM EDTSpecial Weather StatementBGMOtsego15 min
Sep 15, 2:13 PM EDTSpecial Weather StatementBGMDelaware47 min
Sep 15, 2:44 PM EDTSpecial Weather StatementBGMCortland, Tompkins46 min
Sep 15, 3:00 PM EDTSpecial Weather StatementBGMDelaware45 min
Sep 15, 3:44 PM EDTFlash Flood WarningBGMOtsego2 hr
Sep 15, 4:08 PM EDTSpecial Weather StatementBGMOtsego52 min
Sep 15, 5:03 PM EDTSpecial Weather StatementBGMSullivan27 min
Sep 15, 5:19 PM EDTAreal Flood AdvisoryBGMSullivan119 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning 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.