Alert archive / New York / Tornado Warnings in 2026

Tornado Warning 11, NWS Binghamton, NY

July 18, 2026Delaware County, New York

NWS Binghamton, NY issued this tornado warning at Jul 18, 2026, 6:27 PM EDT for Delaware 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 counties it named.

The facts

Issued
Jul 18, 2026, 6:27 PM EDT (22:27 UTC)
Expired
Jul 18, 2026, 7:00 PM EDT
In force
33 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Delaware County, NY

The radar

The Binghamton radar (KBGM), 84 km from the middle of the area, began a volume at 22:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 18, 1:35 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.5 hours before the alert went out and 229 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, Brookhaven, NY at 12:00Z on 2026-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2026-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.193958Sfc1 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
5 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 1:27 PM EDTSpecial Weather StatementBGMSeneca48 min
Jul 18, 2:14 PM EDTSevere Thunderstorm WarningBGMCayuga, Cortland, Onondaga, Tompkins61 min
Jul 18, 3:12 PM EDTSpecial Weather StatementBGMChenango, Cortland, Tioga, Tompkins48 min
Jul 18, 3:22 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Cortland, Otsego, Tioga, Tompkins53 min
Jul 18, 3:48 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca, Tompkins, Yates57 min
Jul 18, 4:12 PM EDTSevere Thunderstorm WarningBGMChenango, Delaware, Otsego63 min
Jul 18, 4:36 PM EDTSevere Thunderstorm WarningBGMBroome, Cayuga, Chenango, Cortland, Schuyler, Seneca and 4 more54 min
Jul 18, 5:00 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben60 min
Jul 18, 5:03 PM EDTSevere Thunderstorm Warning Considerable damage threatBGMBroome, Chenango, Cortland, Tioga, Tompkins42 min
Jul 18, 5:30 PM EDTSevere Thunderstorm WarningBGMBroome, Chemung, Chenango, Tioga, Tompkins30 min
Jul 18, 5:44 PM EDTSevere Thunderstorm WarningBGMBroome, Chemung, Chenango, Delaware, Otsego, Steuben and 2 more61 min
Jul 18, 6:18 PM EDTTornado WarningBGMBroome, Delaware27 min
Jul 18, 6:45 PM EDTSevere Thunderstorm Warning Considerable damage threatBGMDelaware, Sullivan60 min
Jul 18, 6:47 PM EDTTornado WarningBGMDelaware, Sullivan28 min
Jul 18, 10:52 AM EDTSpecial Weather StatementBGMPike38 min
Jul 18, 6:45 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wayne60 min

Nearby

Tornado Warnings in New York, 2026Every tornado warning in 2026Tornadoes in 2026

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.