Alert archive / New York / Flash Flood Warnings in 2026

Flash Flood Warning 26, NWS Binghamton, NY

July 28, 2026Tompkins County, New York

NWS Binghamton, NY issued this flash flood warning at Jul 28, 2026, 11:46 AM EDT for Tompkins County, New York. It was in force for 116 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 28, 2026, 11:46 AM EDT (15:46 UTC)
Expired
Jul 28, 2026, 1:42 PM EDT
In force
116 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Tompkins County, NY

The radar

The Binghamton radar (KBGM), 49 km from the middle of the area, began a volume at 15:49 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, 3.8 hours before the alert went out and 190 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 2026-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 592 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, Buffalo Intl Airport, NY at 12:00Z on 2026-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
592 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:13 PM EDTSpecial Weather StatementBGMBroome32 min
Jul 28, 1:14 PM EDTSevere Thunderstorm WarningBGMSullivan31 min
Jul 28, 1:29 PM EDTFlash Flood WarningBGMSullivan6 hr
Jul 28, 2:30 PM EDTFlash Flood WarningBGMSullivan5 hr
Jul 28, 7:46 PM EDTFlash Flood WarningBGMSullivan12 hr
Jul 27, 8:15 PM EDTSpecial Weather StatementBGMSusquehanna30 min

Nearby

Flash Flood Warnings in New York, 2026Every flash flood 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.