Alert archive / New York / Flash Flood Warnings in 2026
Flash Flood Warning 43, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood warning at Aug 12, 2026, 5:46 PM EDT for Chemung County, Steuben County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 2026, 5:46 PM EDT (21:46 UTC)
- Expired
- Aug 12, 2026, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chemung County, NY, Steuben County, NY
The radar
The Binghamton radar (KBGM), 90 km from the middle of the area, began a volume at 21:45 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, 9.8 hours before the alert went out and 156 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.
- Mixed-layer CAPE
- 590 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 6:11 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 34 min |
| Aug 12, 6:26 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Steuben, Yates | 34 min |
| Aug 12, 6:32 PM EDT | Severe Thunderstorm Warning | BGM | Steuben, Yates | 28 min |
| Aug 12, 6:53 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Steuben, Yates | 37 min |
| Aug 12, 7:04 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Tompkins | 26 min |
| Aug 12, 7:17 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 28 min |
| Aug 12, 7:29 PM EDT | Severe Thunderstorm Warning | BGM | Tompkins | 31 min |
| Aug 12, 7:39 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben, Tompkins, Yates | 51 min |
| Aug 12, 7:45 PM EDT | Severe Thunderstorm Warning | BGM | Broome | 30 min |
| Aug 12, 7:58 PM EDT | Severe Thunderstorm Warning | BGM | Tioga, Tompkins | 32 min |
| Aug 12, 5:08 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 37 min |
| Aug 12, 5:14 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 31 min |
| Aug 12, 5:37 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 23 min |
| Aug 12, 5:42 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
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.