Alert archive / New York / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 20, NWS Binghamton, NY

April 15, 2026Delaware County, Sullivan County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Apr 15, 2026, 10:06 PM EDT for Delaware County, Sullivan County, New York. It was in force for 24 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
Apr 15, 2026, 10:06 PM EDT (02:06 UTC)
Expired
Apr 15, 2026, 10:30 PM EDT
In force
24 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Delaware County, NY, Sullivan County, NY

The radar

The Binghamton radar (KBGM), 96 km from the middle of the area, began a volume at 02:07 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

Albany, NY (KALY), launched 00:00Z, 2.1 hours before the alert went out and 118 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, Albany, NY at 00:00Z on 2026-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 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, Albany, NY at 00:00Z on 2026-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
63 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1714 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 8:11 PM EDTSevere Thunderstorm Warning Considerable damage threatBGMChemung, Tioga64 min
Apr 15, 8:39 PM EDTSpecial Weather StatementBGMBroome36 min
Apr 15, 8:52 PM EDTSevere Thunderstorm WarningBGMCayuga, Chemung, Schuyler, Seneca, Steuben, Yates53 min
Apr 15, 9:04 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware41 min
Apr 15, 9:50 PM EDTSpecial Weather StatementBGMDelaware25 min
Apr 15, 10:49 PM EDTSevere Thunderstorm WarningBGMBroome, Tioga43 min
Apr 15, 11:53 PM EDTSevere Thunderstorm WarningBGMSullivan44 min
Apr 16, 6:42 PM EDTSevere Thunderstorm WarningBGMOneida28 min
Apr 16, 6:50 PM EDTSevere Thunderstorm WarningBGMCayuga, Onondaga55 min
Apr 16, 7:35 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida33 min

Nearby

Severe Thunderstorm Warnings in New York, 2026Every severe thunderstorm warning 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.