Alert archive / New York / Flash Flood Watches in 2013

Flash Flood Watch 4, NWS Binghamton, NY

June 26, 201317 counties in New York; 7 counties in Pennsylvania

NWS Binghamton, NY issued this flash flood watch at Jun 26, 2013, 3:39 PM EDT for 17 counties in New York; 7 counties in Pennsylvania. It took effect at Jun 27, 2013, 2:00 PM EDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Jun 26, 2013, 3:39 PM EDT (19:39 UTC)
In effect from: Jun 27, 2013, 2:00 PM EDT
Expired: Jun 28, 2013, 8:00 PM EDT
In force: 30 hr
Issued by: NWS Binghamton, NY
Flood severity: None

All 24 counties

Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Otsego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Yates County, NY, Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 4 km from the middle of the area, began a volume at 19:41 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

Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 302 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: 243 J/kg
Mixed-layer CIN: -134 J/kg
Mixed-layer LCL: 1078 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 26, 2:02 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jun 26, 2:02 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, Jun 26, 9:22 AM EDT, 6 hours 17 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 25, 9:35 PM EDT	Special Weather Statement	BGM	Luzerne	25 min
Jun 26, 4:16 PM EDT	Areal Flood Advisory	BGM	Lackawanna	3 hr

Nearby

Flash Flood Watches in New York, 2013 Flash Flood Watches in Pennsylvania, 2013 Every flash flood watch in 2013

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.