Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 20, NWS Binghamton, NY

May 21, 20135 counties in New York

NWS Binghamton, NY issued this severe thunderstorm warning at May 21, 2013, 6:54 PM EDT for 5 counties in New York. It was in force for 51 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 21, 2013, 6:54 PM EDT (22:54 UTC)
Expired
May 21, 2013, 7:45 PM EDT
In force
51 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon

Counties Chenango County, NY, Cortland County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY

The radar

The Binghamton radar (KBGM), 74 km from the middle of the area, began a volume at 22:56 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 21, 1:40 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.9 hours before the alert went out and 162 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 2013-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 2013-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
98 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 21, 6:46 PM EDT, 8 minutes earlier.

Area forecast discussion, May 21, 6:46 PM EDT, 8 minutes before
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Hazardous weather outlook, May 21, 1:56 PM EDT, 4 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
156 PM EDT TUE MAY 21 2013

NYZ009-015>018-022>025-036-037-044>046-055>057-062-221800-
NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN-
SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND-CHENANGO-
OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-
156 PM EDT TUE MAY 21 2013

...SEVERE THUNDERSTORM WATCH 203 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK AND
SOUTHEASTERN 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.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ANOTHER ROUND OF THUNDERSTORMS WILL DEVELOP WEDNESDAY AFTERNOON.
THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND
LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ038>040-043-044-047-048-072-221800-
BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE-
SOUTHERN WAYNE-
156 PM EDT TUE MAY 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON IN A WARM AND
HUMID AIRMASS. THE POTENTIAL EXISTS FOR AN ISOLATED STORM TO
PRODUCE HAIL OR GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ANOTHER ROUND OF THUNDERSTORMS WILL DEVELOP WEDNESDAY AFTERNOON.
THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND
LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

RRM

In the hours before

Local storm report, May 21, 6:09 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
609 PM EDT TUE MAY 21 2013

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

0548 PM     TSTM WND DMG     WATERLOO                42.90N  76.86W
05/21/2013                   SENECA             NY   911 CENTER

            TREES REPORTED DOWN AT THE INTERSECTION STATE ROUTE 96
            AND BURGESS ROAD IN THE VILLAGE OF WATERLOO.

&&

MJN
Local storm report, May 21, 6:14 PM EDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
614 PM EDT TUE MAY 21 2013

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

0605 PM     HAIL             SENECA FALLS            42.91N  76.80W
05/21/2013  E0.75 INCH       SENECA             NY   PUBLIC

&&

JML
Local storm report, May 21, 6:19 PM EDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
619 PM EDT TUE MAY 21 2013

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

0610 PM     TSTM WND DMG     2 NW KENDAIA            42.77N  76.91W
05/21/2013                   SENECA             NY   PUBLIC

            TREE LIMBS WERE GOING HORIZONTAL WITH WIND SPEED
            ESTIMATED AT 50 TO 55 MPH

&&

MJN
Local storm report, May 21, 6:34 PM EDT, 20 minutes before
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Local storm report, May 21, 6:38 PM EDT, 16 minutes before
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Local storm report, May 21, 6:50 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 1:11 AM EDTSpecial Weather StatementBGMOneida, Onondaga64 min
May 21, 2:48 AM EDTSpecial Weather StatementBGMOneida27 min
May 21, 12:48 PM EDTSpecial Weather StatementBGMSeneca42 min
May 21, 12:52 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca38 min
May 21, 1:24 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca66 min
May 21, 1:43 PM EDTSpecial Weather StatementBGMChenango32 min
May 21, 2:06 PM EDTSpecial Weather StatementBGMOtsego39 min
May 21, 3:51 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Otsego54 min
May 21, 5:38 PM EDTSevere Thunderstorm WarningBGMSeneca, Yates67 min
May 21, 5:53 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca, Yates67 min
May 21, 5:55 PM EDTTornado WarningBGMCayuga, Seneca, Yates35 min
May 21, 6:16 PM EDTSevere Thunderstorm WarningBGMCayuga, Onondaga59 min
May 21, 6:21 PM EDTTornado WarningBGMCayuga, Cortland, Onondaga39 min
May 21, 6:54 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga66 min
May 21, 7:24 PM EDTSevere Thunderstorm WarningBGMOneida36 min
May 21, 7:30 PM EDTSevere Thunderstorm WarningBGMChenango, Madison, Oneida, Onondaga, Otsego60 min

Nearby

Severe Thunderstorm Warnings in New York, 2013Every severe thunderstorm warning in 2013

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.