Alert archive / New York / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 201, NWS Binghamton, NY

August 12, 2023Chemung County, Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Aug 12, 2023, 4:52 PM EDT for Chemung County, Steuben County, New York. It was in force for 38 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: Aug 12, 2023, 4:52 PM EDT (20:52 UTC)
Expired: Aug 12, 2023, 5:30 PM EDT
In force: 38 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

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 20:53 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
Aug 12, 12:50 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.9 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.

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: 270 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Aug 12, 2:46 PM EDT, 2 hours 6 minutes earlier.

Area forecast discussion, Aug 12, 2:46 PM EDT, 2 hours 6 minutes before

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Hazardous weather outlook, Aug 12, 12:55 PM EDT, 3 hours 57 minutes before

Hazardous Weather Outlook
National Weather Service Binghamton NY
1255 PM EDT Sat Aug 12 2023

NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-131700-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Madison-Southern Oneida-Cortland-Chenango-
Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-Susquehanna-
Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-Southern Wayne-
1255 PM EDT Sat Aug 12 2023

...TORNADO WATCH 634 IN EFFECT UNTIL 9 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central New York and
northeast Pennsylvania.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about severe weather to the NWS.

In the hours before

Local storm report, Aug 12, 3:34 PM EDT, 1 hour 18 minutes before

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Local storm report, Aug 12, 3:44 PM EDT, 1 hour 8 minutes before

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Local storm report, Aug 12, 3:46 PM EDT, 1 hour 6 minutes before

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Local storm report, Aug 12, 3:57 PM EDT, 55 minutes before

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Local storm report, Aug 12, 4:22 PM EDT, 30 minutes before

Preliminary Local Storm Report
National Weather Service Binghamton NY
422 PM EDT Sat Aug 12 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0409 PM     Tstm Wnd Dmg     2 WNW Maine             42.21N 76.11W
08/12/2023                   Tioga              NY   911 Call Center

            Tree down on wires. Time estimated by radar.

&&

Local storm report, Aug 12, 4:39 PM EDT, 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
Aug 12, 1:34 PM EDT	Special Weather Statement	BGM	Oneida	41 min
Aug 12, 1:55 PM EDT	Special Weather Statement	BGM	Steuben	35 min
Aug 12, 2:01 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Seneca	17 min
Aug 12, 2:27 PM EDT	Severe Thunderstorm Warning	BGM	Schuyler, Steuben, Yates	48 min
Aug 12, 2:50 PM EDT	Severe Thunderstorm Warning	BGM	Schuyler, Tompkins, Yates	55 min
Aug 12, 3:25 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chemung, Cortland, Tioga, Tompkins	50 min
Aug 12, 3:29 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	32 min
Aug 12, 4:11 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Tioga	49 min
Aug 12, 5:03 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	57 min
Aug 12, 5:23 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Steuben, Tioga	52 min
Aug 12, 5:25 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	34 min
Aug 12, 5:33 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Delaware	57 min
Aug 12, 5:54 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	51 min
Aug 12, 6:00 PM EDT	Severe Thunderstorm Warning	BGM	Oneida	30 min
Aug 12, 6:05 PM EDT	Tornado Warning	BGM	Delaware, Sullivan	25 min
Aug 12, 6:12 PM EDT	Severe Thunderstorm Warning	BGM	Tioga	48 min
Aug 12, 6:27 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Sullivan	48 min
Aug 12, 6:39 PM EDT	Flash Flood Warning	BGM	Delaware	111 min
Aug 12, 6:50 PM EDT	Flash Flood Warning	BGM	Sullivan	3 hr
Aug 12, 6:58 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	32 min
Aug 12, 7:06 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	39 min
Aug 12, 7:28 PM EDT	Severe Thunderstorm Warning	BGM	Oneida	32 min
Aug 12, 7:47 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	28 min
Aug 12, 3:58 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	47 min
Aug 12, 4:44 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	31 min
Aug 12, 6:45 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	45 min
Aug 12, 7:35 PM EDT	Areal Flood Advisory	BGM	Bradford, Susquehanna	2 hr

Nearby

Severe Thunderstorm Warnings in New York, 2023 Every severe thunderstorm warning in 2023

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.