Alert archive / New York / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 201, NWS Binghamton, NY

October 31, 20195 counties in New York; Bradford County, Susquehanna County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Oct 31, 2019, 8:57 PM EDT for 5 counties in New York; Bradford County, Susquehanna County, Pennsylvania. It was in force for 48 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: Oct 31, 2019, 8:57 PM EDT (00:57 UTC)
Expired: Oct 31, 2019, 9:45 PM EDT
In force: 48 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Broome County, NY, Chenango County, NY, Cortland County, NY, Madison County, NY, Otsego County, NY, Bradford County, PA, Susquehanna County, PA

The radar

The Binghamton radar (KBGM), 23 km from the middle of the area, began a volume at 00:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 31, 6:16 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.0 hours before the alert went out and 165 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: 5 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 692 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 447 m²/s²
0-3 km storm-relative helicity: 592 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Oct 31, 3:27 PM EDT, 5 hours 30 minutes earlier.

Area forecast discussion, Oct 31, 3:27 PM EDT, 5 hours 30 minutes before

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Hazardous weather outlook, Oct 31, 3:18 PM EDT, 5 hours 39 minutes before

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In the hours before

Local storm report, Oct 31, 6:58 PM EDT, 1 hour 59 minutes before

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Local storm report, Oct 31, 7:05 PM EDT, 1 hour 52 minutes before

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Local storm report, Oct 31, 7:07 PM EDT, 1 hour 50 minutes before

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Local storm report, Oct 31, 7:13 PM EDT, 1 hour 44 minutes before

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Local storm report, Oct 31, 7:29 PM EDT, 1 hour 28 minutes before

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Special weather statement, Oct 31, 7:37 PM EDT, 1 hour 20 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 31, 8:02 PM EDT	Flash Flood Warning	BGM	Madison, Oneida	11 hr
Oct 31, 8:13 PM EDT	Flash Flood Warning	BGM	Tioga	6 hr
Oct 31, 8:19 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland, Tioga	41 min
Oct 31, 8:35 PM EDT	Flash Flood Warning	BGM	Broome, Chenango	5 hr
Oct 31, 9:14 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Delaware	46 min
Oct 31, 9:20 PM EDT	Special Weather Statement	BGM	Otsego	40 min
Oct 31, 9:20 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	40 min
Oct 31, 9:29 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Delaware, Madison, Oneida, Otsego	61 min
Oct 31, 9:41 PM EDT	Areal Flood Advisory	BGM	Madison, Onondaga	2 hr
Oct 31, 9:56 PM EDT	Special Weather Statement	BGM	Sullivan	49 min
Oct 31, 10:05 PM EDT	Special Weather Statement	BGM	Delaware	40 min
Oct 31, 10:14 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison, Oneida, Onondaga, Tioga	46 min
Oct 31, 10:30 PM EDT	Special Weather Statement	BGM	Sullivan	45 min
Oct 31, 11:02 PM EDT	Areal Flood Advisory	BGM	Sullivan	4 hr
Oct 31, 11:03 PM EDT	Areal Flood Warning	BGM	Oneida	6 hr
Oct 31, 11:14 PM EDT	Areal Flood Advisory	BGM	Chenango	4 hr
Oct 31, 11:20 PM EDT	Special Weather Statement	BGM	Chenango, Otsego	55 min
Oct 31, 11:34 PM EDT	River Flood Warning	BGM	Cortland	39 hr
Oct 31, 11:52 PM EDT	Areal Flood Warning	BGM	Cayuga	9 hr
Oct 31, 11:53 PM EDT	Areal Flood Advisory	BGM	Delaware, Otsego	3 hr
Nov 1, 1:37 AM EDT	Areal Flood Warning	BGM	Delaware	4 hr
Nov 1, 1:57 AM EDT	Flash Flood Warning	BGM	Chenango	3 hr
Nov 1, 2:00 AM EDT	River Flood Warning	BGM	Chenango	29 hr
Nov 1, 2:04 AM EDT	River Flood Warning	BGM	Delaware	20 hr
Nov 1, 2:10 AM EDT	Areal Flood Warning	BGM	Broome	6 hr
Nov 1, 3:15 AM EDT	River Flood Warning	BGM	Delaware, Sullivan	5 hr
Nov 1, 4:20 AM EDT	River Flood Warning	BGM	Cortland	16 hr
Nov 1, 5:03 AM EDT	Areal Flood Warning	BGM	Chenango	114 min
Nov 1, 5:23 AM EDT	River Flood Warning	BGM	Broome	20 hr
Nov 1, 10:01 AM EDT	River Flood Warning	BGM	Broome	36 hr
Nov 1, 10:01 AM EDT	River Flood Warning	BGM	Broome, Tioga	28 hr
Nov 1, 1:41 PM EDT	Flash Flood Watch	BGM	Oneida	70 hr
Oct 31, 8:10 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Luzerne, Susquehanna, Wyoming	50 min
Oct 31, 8:33 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne	31 min
Oct 31, 8:58 PM EDT	Special Weather Statement	BGM	Susquehanna, Wayne	47 min
Oct 31, 9:03 PM EDT	Special Weather Statement	BGM	Lackawanna, Pike, Wayne	42 min
Oct 31, 9:41 PM EDT	Special Weather Statement	BGM	Luzerne	49 min
Oct 31, 10:18 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Luzerne, Pike, Wayne	4 hr
Oct 31, 10:41 PM EDT	River Flood Warning	BGM	Bradford	5 hr

Nearby

Severe Thunderstorm Warnings in New York, 2019 Severe Thunderstorm Warnings in Pennsylvania, 2019 Every severe thunderstorm warning in 2019

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.