Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 11, NWS Binghamton, NY

May 4, 2018Delaware County, Sullivan County, New York; Pike County, Susquehanna County, Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at May 4, 2018, 7:59 PM EDT for Delaware County, Sullivan County, New York; Pike County, Susquehanna County, Wayne 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
May 4, 2018, 7:59 PM EDT (23:59 UTC)
Expired
May 4, 2018, 8:47 PM EDT
In force
48 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delaware County, NY, Sullivan County, NY, Pike County, PA, Susquehanna County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 84 km from the middle of the area, began a volume at 00:00 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.

IssuedProductOfficeLasted
May 4, 6:20 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 12.0 hours before the alert went out and 153 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2018-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2018-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
812 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
147 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 May 4, 7:27 PM EDT, 32 minutes earlier.

Area forecast discussion, May 4, 7:27 PM EDT, 32 minutes before
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Hazardous weather outlook, May 4, 1:00 PM EDT, 6 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Binghamton NY
100 PM EDT Fri May 4 2018

NYZ024-055-056-062-PAZ038>040-043-044-047-048-072-051700-
Chemung-Tioga-Broome-Sullivan-Bradford-Susquehanna-Northern Wayne-
Wyoming-Lackawanna-Luzerne-Pike-Southern Wayne-
100 PM EDT Fri May 4 2018

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

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms are expected late this afternoon and
evening. A few of the storms could become severe, with damaging
winds. The most likely time frame for severe weather would be from 4
to 8 pm.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible later today.

NYZ009-015>018-022-023-025-036-037-044>046-057-051700-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Tompkins-Madison-Southern Oneida-Cortland-Chenango-Otsego-
Delaware-
100 PM EDT Fri May 4 2018

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM EDT
SATURDAY...

This Hazardous Weather Outlook is for central New York.

.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.

   Wind Advisory.

Thunderstorms are expected later this afternoon and evening. A few
of the storms could become severe, with damaging winds. The most
likely time window for severe weather would be from 4 to 8 pm.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible later today.

Jurewicz

In the hours before

Local storm report, May 4, 6:55 PM EDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
655 PM EDT FRI MAY 04 2018

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

0651 PM     TSTM WND DMG     LISLE                   42.35N  76.00W
05/04/2018                   BROOME             NY   FIRE DEPT/RESCUE

            REPORTS OF TREES, WIRES DOWN IN LISLE AREA

&&

HLC
Local storm report, May 4, 7:07 PM EDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
707 PM EDT FRI MAY 04 2018

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

0702 PM     TSTM WND DMG     NORWICH                 42.53N  75.52W
05/04/2018                   CHENANGO           NY   911 CALL CENTER

            NUMEROUS TREES AND WIRES DOWN ON CORTLAND STREET WITH
            WIRES CAUSING GRASS FIRE.

&&

JAB
Local storm report, May 4, 7:22 PM EDT, 37 minutes before
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Local storm report, May 4, 7:30 PM EDT, 29 minutes before
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Local storm report, May 4, 7:33 PM EDT, 26 minutes before
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Local storm report, May 4, 7:36 PM EDT, 23 minutes before
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The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:50 AM EDTWind AdvisoryBGMCayuga, Chenango, Cortland, Delaware, Madison, Oneida and 7 more19 hr
May 4, 5:19 PM EDTSpecial Weather StatementBGMSchuyler, Steuben, Yates56 min
May 4, 5:39 PM EDTSpecial Weather StatementBGMCortland, Madison, Oneida, Onondaga66 min
May 4, 5:45 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben, Tioga, Tompkins45 min
May 4, 5:49 PM EDTSevere Thunderstorm WarningBGMBroome, Cayuga, Chenango, Cortland, Madison, Oneida and 5 more41 min
May 4, 5:57 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga48 min
May 4, 6:27 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Cortland, Madison, Oneida, Otsego and 2 more63 min
May 4, 6:34 PM EDTSevere Thunderstorm WarningBGMChemung, Tioga56 min
May 4, 6:37 PM EDTSevere Thunderstorm WarningBGMOneida23 min
May 4, 7:06 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware, Otsego54 min
May 4, 6:28 PM EDTSpecial Weather StatementBGMBradford62 min
May 4, 7:13 PM EDTSevere Thunderstorm WarningBGMBradford, Lackawanna, Luzerne, Susquehanna, Wyoming62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2018Severe Thunderstorm Warnings in New York, 2018Every 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.