Alert archive / Pennsylvania / Flash Flood Watches in 2018

Flash Flood Watch 9, NWS Binghamton, NY

October 2, 20186 counties in New York; 7 counties in Pennsylvania

NWS Binghamton, NY issued this flash flood watch at Oct 2, 2018, 11:17 AM EDT for 6 counties in New York; 7 counties in Pennsylvania. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Oct 2, 2018, 11:17 AM EDT (15:17 UTC)
Expired: Oct 3, 2018, 12:19 AM EDT
In force: 13 hr
Issued by: NWS Binghamton, NY
Flood severity: None

Counties Broome County, NY, Chemung County, NY, Delaware County, NY, Steuben County, NY, Sullivan County, NY, Tioga 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), 46 km from the middle of the area, began a volume at 15:17 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 12:00Z, 3.3 hours before the alert went out and 195 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 426 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 341 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Oct 2, 9:46 AM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, Oct 2, 9:46 AM EDT, 1 hour 31 minutes before

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Hazardous weather outlook, Oct 2, 4:04 AM EDT, 7 hours 13 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
Oct 2, 1:41 PM EDT	Special Weather Statement	BGM	Otsego	34 min
Oct 2, 2:06 PM EDT	Special Weather Statement	BGM	Delaware	24 min
Oct 2, 2:29 PM EDT	Special Weather Statement	BGM	Delaware	46 min
Oct 2, 3:00 PM EDT	Special Weather Statement	BGM	Sullivan	45 min
Oct 2, 3:26 PM EDT	Special Weather Statement	BGM	Sullivan	64 min
Oct 2, 4:03 PM EDT	Areal Flood Advisory	BGM	Sullivan	3 hr
Oct 2, 5:01 PM EDT	Special Weather Statement	BGM	Sullivan	44 min
Oct 2, 5:49 PM EDT	Special Weather Statement	BGM	Cayuga, Onondaga	41 min
Oct 2, 7:00 PM EDT	Areal Flood Advisory	BGM	Sullivan	3 hr
Oct 2, 7:09 PM EDT	Special Weather Statement	BGM	Otsego	51 min
Oct 2, 2:32 PM EDT	Special Weather Statement	BGM	Susquehanna	43 min
Oct 2, 2:52 PM EDT	Areal Flood Advisory	BGM	Bradford	3 hr
Oct 2, 3:02 PM EDT	Special Weather Statement	BGM	Bradford	43 min
Oct 2, 3:10 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	65 min
Oct 2, 3:53 PM EDT	Tornado Warning	BGM	Bradford	37 min
Oct 2, 4:15 PM EDT	Special Weather Statement	BGM	Wyoming	45 min
Oct 2, 4:26 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Luzerne, Susquehanna, Wyoming	49 min
Oct 2, 5:03 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	57 min
Oct 2, 5:11 PM EDT	Special Weather Statement	BGM	Lackawanna, Wyoming	64 min
Oct 2, 5:52 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Pike, Wayne	53 min
Oct 2, 5:54 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	28 min
Oct 2, 6:04 PM EDT	Tornado Warning	BGM	Lackawanna	26 min
Oct 2, 6:22 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Luzerne, Wyoming	4 hr
Oct 2, 6:35 PM EDT	Special Weather Statement	BGM	Luzerne	40 min
Oct 2, 6:43 PM EDT	Areal Flood Advisory	BGM	Bradford	3 hr
Oct 2, 6:43 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	32 min
Oct 2, 6:46 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne, Wyoming	44 min
Oct 2, 7:16 PM EDT	Severe Thunderstorm Warning	BGM	Pike	29 min
Oct 2, 7:29 PM EDT	Special Weather Statement	BGM	Luzerne, Pike	46 min
Oct 2, 7:30 PM EDT	Flash Flood Warning	BGM	Lackawanna, Luzerne	3 hr

Nearby

Flash Flood Watches in Pennsylvania, 2018 Flash Flood Watches in New York, 2018 Every flash flood watch in 2018

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.