Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 70, NWS Binghamton, NY

August 3, 2018Delaware County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Aug 3, 2018, 11:18 AM EDT for Delaware County, New York. It was in force for 57 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 3, 2018, 11:18 AM EDT (15:18 UTC)
Expired: Aug 3, 2018, 12:15 PM EDT
In force: 57 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Delaware County, NY

The radar

The Binghamton radar (KBGM), 84 km from the middle of the area, began a volume at 15:21 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 108 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: 98 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 716 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 54 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 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 3, 10:43 AM EDT, 35 minutes earlier.

Area forecast discussion, Aug 3, 10:43 AM EDT, 35 minutes before

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Hazardous weather outlook, Aug 3, 10:45 AM EDT, 33 minutes before

Hazardous Weather Outlook
National Weather Service Binghamton NY
1045 AM EDT Fri Aug 3 2018

NYZ024-045-046-055>057-062-PAZ038>040-043-044-047-048-072-041445-
Chemung-Chenango-Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-
Susquehanna-Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-
Southern Wayne-
1045 AM EDT Fri Aug 3 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

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.

   Flash Flood Watch.

Scattered strong thunderstorms this afternoon and night may contain
gusty winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

NYZ009-015>018-022-023-025-036-037-044-041445-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Tompkins-Madison-Southern Oneida-Cortland-
1045 AM EDT Fri Aug 3 2018

This Hazardous Weather Outlook is for central New York.

.DAY ONE...This Afternoon and Tonight.

Multiple rounds of showers and thunderstorms are expected through
tonight. Locally heavy rainfall and isolated flooding of smaller
streams, creeks and poor drainage areas will be possible. Areas that
have already had heavy rainfall in the past week will be more
vulnerable. A few of the storms may produce gusty winds as well.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon or evening.

DJN

In the hours before

Local storm report, Aug 3, 8:11 AM EDT, 3 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
811 AM EDT FRI AUG 03 2018

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

0800 AM     FLASH FLOOD      NEW MILFORD             41.88N  75.73W
08/03/2018                   SUSQUEHANNA        PA   911 CALL CENTER

            ROAD WASHOUT, BOULDER IN ROAD. NEW MILFORD TOWNSHIP.

&&

HLC

Local storm report, Aug 3, 8:52 AM EDT, 2 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
852 AM EDT FRI AUG 03 2018

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

0850 AM     FLASH FLOOD      NEW ALBANY              41.60N  76.44W
08/03/2018                   BRADFORD           PA   911 CALL CENTER

            RT 220 CLOSED DUE TO FLOODING, OTHER ROADS FLOODED

&&

HLC

Local storm report, Aug 3, 8:56 AM EDT, 2 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
856 AM EDT FRI AUG 03 2018

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

0855 AM     FLASH FLOOD      NEW ALBANY              41.60N  76.44W
08/03/2018                   BRADFORD           PA   911 CALL CENTER

            1.5 FT WATER REPORTED FLOODING A LIBRARY

&&

HLC

Local storm report, Aug 3, 9:39 AM EDT, 1 hour 39 minutes before

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Local storm report, Aug 3, 10:08 AM EDT, 1 hour 10 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 3, 9:46 AM EDT	Areal Flood Advisory	BGM	Broome, Chenango, Delaware, Otsego	119 min
Aug 3, 11:47 AM EDT	Areal Flood Advisory	BGM	Delaware	118 min
Aug 3, 12:17 PM EDT	Special Weather Statement	BGM	Sullivan	43 min
Aug 3, 1:15 PM EDT	Areal Flood Advisory	BGM	Sullivan	2 hr
Aug 3, 3:14 PM EDT	Special Weather Statement	BGM	Sullivan	61 min
Aug 3, 3:26 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	49 min
Aug 3, 3:43 PM EDT	Special Weather Statement	BGM	Sullivan	47 min
Aug 3, 4:37 PM EDT	Areal Flood Advisory	BGM	Sullivan	9 hr
Aug 3, 5:37 PM EDT	Areal Flood Advisory	BGM	Delaware	3 hr
Aug 3, 5:21 AM EDT	Areal Flood Advisory	BGM	Bradford, Susquehanna, Wyoming	3 hr
Aug 3, 7:32 AM EDT	Flash Flood Warning	BGM	Bradford, Susquehanna, Wyoming	118 min
Aug 3, 9:28 AM EDT	Flash Flood Warning	BGM	Bradford, Susquehanna, Wyoming	3 hr
Aug 3, 12:30 PM EDT	Areal Flood Advisory	BGM	Bradford, Susquehanna, Wyoming	3 hr
Aug 3, 2:05 PM EDT	Special Weather Statement	BGM	Luzerne	40 min
Aug 3, 2:10 PM EDT	Special Weather Statement	BGM	Wyoming	65 min
Aug 3, 2:28 PM EDT	Special Weather Statement	BGM	Wayne	47 min
Aug 3, 2:32 PM EDT	Flash Flood Warning	BGM	Bradford, Susquehanna, Wyoming	3 hr
Aug 3, 2:52 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	38 min
Aug 3, 2:57 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Wayne	3 hr
Aug 3, 3:06 PM EDT	Special Weather Statement	BGM	Susquehanna	39 min
Aug 3, 3:39 PM EDT	Special Weather Statement	BGM	Susquehanna	51 min
Aug 3, 3:48 PM EDT	Areal Flood Advisory	BGM	Susquehanna	117 min
Aug 3, 4:21 PM EDT	Special Weather Statement	BGM	Lackawanna	39 min
Aug 3, 4:51 PM EDT	Special Weather Statement	BGM	Wayne	54 min
Aug 3, 5:05 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Luzerne, Wyoming	6 hr
Aug 3, 5:31 PM EDT	Areal Flood Warning	BGM	Bradford, Wyoming	3 hr
Aug 3, 6:13 PM EDT	Areal Flood Advisory	BGM	Wyoming	8 hr
Aug 3, 6:32 PM EDT	Areal Flood Advisory	BGM	Wayne	5 hr
Aug 3, 6:58 PM EDT	Areal Flood Advisory	BGM	Susquehanna, Wayne	2 hr

Nearby

Severe Thunderstorm Warnings in New York, 2018 Every severe thunderstorm warning 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.