Alert archive / New York / Flash Flood Watches in 2017

Flash Flood Watch 4, NWS Binghamton, NY

June 18, 20177 counties in New York

NWS Binghamton, NY issued this flash flood watch at Jun 18, 2017, 2:13 PM EDT for 7 counties in New York. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jun 18, 2017, 2:13 PM EDT (18:13 UTC)
Expired: Jun 18, 2017, 8:48 PM EDT
In force: 7 hr
Issued by: NWS Binghamton, NY
Flood severity: None

Counties Cayuga County, NY, Onondaga County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tompkins County, NY, Yates County, NY

The radar

The Binghamton radar (KBGM), 82 km from the middle of the area, began a volume at 18:14 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, 6.2 hours before the alert went out and 160 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 199 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1297 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Binghamton, NY wrote its last area forecast discussion before this flash flood watch went out at Jun 18, 2:04 PM EDT, 9 minutes earlier.

Area forecast discussion, Jun 18, 2:04 PM EDT, 9 minutes before

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Hazardous weather outlook, Jun 18, 1:55 PM EDT, 18 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 5:51 PM EDT	Severe Thunderstorm Warning	BGM	Steuben, Yates	39 min
Jun 18, 6:10 PM EDT	Special Weather Statement	BGM	Tioga	50 min
Jun 18, 6:38 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Onondaga, Seneca	52 min
Jun 18, 6:49 PM EDT	Special Weather Statement	BGM	Schuyler, Steuben	41 min
Jun 18, 6:57 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Schuyler, Seneca, Tompkins, Yates	48 min
Jun 18, 7:16 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Steuben, Tompkins	44 min
Jun 18, 7:35 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Tioga, Tompkins	40 min
Jun 18, 7:55 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Chemung, Cortland, Onondaga, Tioga, Tompkins	50 min
Jun 18, 5:35 PM EDT	Special Weather Statement	BGM	Bradford	55 min

Nearby

Flash Flood Watches in New York, 2017 Every flash flood watch in 2017

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.