Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 88, NWS Binghamton, NY

May 26, 2011Delaware County, Otsego County, Sullivan County, New York; Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at May 26, 2011, 9:53 PM EDT for Delaware County, Otsego County, Sullivan County, New York; Wayne County, Pennsylvania. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 26, 2011, 9:53 PM EDT (01:53 UTC)
Expired: May 26, 2011, 10:45 PM EDT
In force: 52 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Delaware County, NY, Otsego County, NY, Sullivan County, NY, Wayne County, PA

The radar

The Albany radar (KENX), 66 km from the middle of the area, began a volume at 01:53 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.

What was reported inside it

Time	Report	Where	Remark
May 26, 10:00 PM EDT	TSTM WND DMG	Bovina, NY	TREE ON A CAR WITH PEOPLE TRAPPED INSIDE
May 26, 10:00 PM EDT	TSTM WND DMG	Delhi, NY	TREES DOWN ON A HOUSE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 7 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 26, 2:16 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.9 hours before the alert went out and 88 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: 1789 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1244 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 267 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

423 
WUUS51 KBGM 270153
SVRBGM
NYC025-077-105-PAC127-270245-
/O.NEW.KBGM.SV.W.0088.110527T0153Z-110527T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
953 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DELAWARE COUNTY IN CENTRAL NEW YORK...
  OTSEGO COUNTY IN CENTRAL NEW YORK...
  NORTHWESTERN SULLIVAN COUNTY IN CENTRAL NEW YORK...
  EAST CENTRAL WAYNE COUNTY IN NORTHEAST PENNSYLVANIA...

* UNTIL 1045 PM EDT.

* AT 948 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM LEONARDSVILLE TO 7 MILES WEST OF DELHI TO CORBETT TO
  16 MILES SOUTH OF HANKINS...AND MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  HARTWICK AND COLLIERSVILLE BY 958 PM EDT...
  ROSCOE...EXETER CENTER AND COOPERSTOWN JCT BY 1000 PM EDT...
  MILFORD BY 1002 PM EDT...
  HYDE PARK...INDEX AND ANDES BY 1004 PM EDT...
  MARYLAND...DAVENPORT AND COOPERSTOWN BY 1006 PM EDT...

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT HAIL...OR DAMAGING WINDS TO
THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT
1-877-633-6772...OR BY EMAIL AT BGM.STORMREPORT@NOAA.GOV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS!

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
SOUTHERN NEW YORK AND NORTHERN PENNSYLVANIA. THIS IS AN EXTREMELY DANGEROUS 
SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA.

&&

LAT...LON 4220 7452 4216 7446 4202 7477 4201 7475
      4200 7473 4171 7517 4203 7511 4226 7512
      4270 7531 4288 7524 4287 7514 4291 7508
      4283 7491 4290 7486 4284 7465 4263 7463
      4252 7471 4243 7462 4235 7442
TIME...MOT...LOC 0153Z 256DEG 40KT 4282 7520 4229 7497
          4206 7495 4161 7514

$$

HEDEN/MSE

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 26, 7:50 PM EDT, 2 hours 3 minutes earlier.

Area forecast discussion, May 26, 7:50 PM EDT, 2 hours 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
750 PM EDT THU MAY 26 2011

.SYNOPSIS...
WINDS FROM THE SOUTHWEST WILL CONTINUE TO BRING IN WARM MOIST AIR
TO THE REGION. SCATTERED THUNDERSTORMS ARE POSSIBLE FROM NOW INTO
THE WEEKEND. SOME OF THESE STORMS MAY BECOME SEVERE THIS EVENING
AND THERE IS A SLIGHT RISK AGAIN FRIDAY. A RIDGE BUILDS OVER THE
AREA MEMORIAL DAY AND TUESDAY. TEMPERATURES WILL BE IN THE MID TO
UPPER 80S MEMORIAL DAY.

&&

.NEAR TERM /THROUGH FRIDAY/...
AS OF 7 PM...CONTINUING SEVERE WX OPERATIONS. AREA IS STILL VERY
UNSTABLE WITH GOOD SHEAR. MOST HAVE BEEN HAIL PRODUCERS BUT AN
ISOLATED TORNADO IS POSSIBLE. HI RES MODELS SHOWS A SECOND PATCH
OF CONVECTION MOVING INTO CWA AROUND MIDNIGHT WITH SCATTERED
SHOWERS AND MAYBE AN ISOLATED TSTM OVERNIGHT.

FRIDAY...MORE SHOWERS AND TSTMS WITH AN ALMOST SIMILAR SITUATION.
THE UPPER LOW OVER THE MID WEST EDGES EAST WITH A NEARLY
STATIONARY FRONT ACROSS LAKE ONTARIO AND ERIE. THERE IS AGAIN A
SLIGHT RISK FOR SEVERE.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
FRIDAY NIGHT INTO SATURDAY THE FRONT OVER THE GREAT LAKES WILL
SLOWLY SLIDE SOUTHEAST INTO CENTRAL NY AND PA. CHANCE OF SHOWERS
AND THUNDERSTORMS WILL CONTINUE AS THE LONG WAVE TROUGH REMAINS
OVER THE MIDWEST WITH SHORT-WAVES MOVING ACROSS THE AREA IN THE
SOUTHWEST FLOW. BY SUNDAY THE FRONT WILL BE STRUNG MORE E-W ACROSS
CENTRAL NY WITH A CONTINUED CHANCE FOR CONVECTION.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
MEDIUM RANGE MODELS ARE IN GOOD AGREEMENT THROUGH THE EXTENDED
PERIOD. SUNDAY NIGHT THROUGH TUESDAY, A STRONG UPPER LEVEL RIDGE
WILL EXIST ACROSS THE EASTERN UNITED STATES WITH SURFACE HIGH
PRESSURE IN THE MID ATLANTIC REGION. THIS WILL RESULT IN A WARM
SOUTH/SOUTHWEST FLOW WITH PARTLY TO MAINLY CLEAR SKIES ALONG WITH
MAX TEMPS RANGING FROM THE MID 80S TO LOWER 90S.

TUESDAY NIGHT THROUGH WEDNESDAY, SFC LOW PRES WILL MOVE ACROSS
EASTERN CANADA AND DRAG A COLD FRONT THROUGH THE AREA WEDNESDAY
MORNING. WILL ADVERTISE LOW CHC POPS FOR SHRA/TSRA ON WEDNESDAY
WITH FRONTAL PASSAGE. MAX TEMPS WILL RANGE FROM THE UPPER 70S TO
LOWER 80S.

WEDNESDAY NIGHT THROUGH THURSDAY, STRONG COLD AIR ADVECTION ALONG
WITH SFC HIGH PRES BUILDING SOUTH FROM THE UPPER GREAT LAKES WILL
RESULT IN A SIGNIFICANT AIRMASS CHANGE WITH HIGHS ONLY IN THE
LOWER 70S ON THURSDAY.

&&

.AVIATION /00Z FRIDAY THROUGH TUESDAY/...
ATMOSPHERE THIS EVENING REMAINS MODERATELY UNSTABLE WITH AN UPPER
LEVEL DISTURBANCE EXPECTED TO CROSS TERMINALS THROUGH 02Z.
FOR THIS REASON INCLUDED TWO HOUR TEMPO GROUPS AT ALL TERMINALS
FOR MVFR HEAVY SHOWERS WITH CB IN CLOUD GROUP TO IMPLY POTENTIAL
FOR THUNDERSTORMS AT KRME/KSYR/KITH AND MVFR THUNDERSTORMS AT
KELM/KBGM/KAVP. OVERNIGHT, HAZE AND MIST WILL PRODUCE MVFR VSBYS
CONDITIONS ESPECIALLY AFTER 06Z. AFTER 13Z, CONDITIONS WILL RETURN
TO VFR THROUGH 18Z. DURING THE AFTERNOON/EVENING MORE WIDESPREAD
SHOWERS/THUNDERSTORMS ARE EXPECTED AS MORE UPPER LEVEL
DISTURBANCES PRODUCE WIDESPREAD ACTIVITY. FOR THIS ACTIVITY
INCLUDED MVFR SHOWERS WITH CB IN CLOUD GROUP FOR THUNDERSTORM
POTENTIAL.

VARIABLE WINDS AROUND 5 KNOTS OVERNIGHT WITH GUSTS IN ANY
CONVECTION WITH MORE VARIABLE WINDS ON FRIDAY AROUND 5 KNOTS.

OUTLOOK...

FRIDAY NIGHT THROUGH SATURDAY...MVFR IN PRIMARILY AFTN SHRA/TSRA.

SUNDAY THROUGH TUESDAY...VFR.

&&

.BGM WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NY...NONE.

&&

SYNOPSIS...BMW
NEAR TERM...BMW
SHORT TERM...BMW
LONG TERM...RRM
AVIATION...RRM

Hazardous weather outlook, May 26, 2:28 PM EDT, 7 hours 25 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
228 PM EDT THU MAY 26 2011

NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-271830-
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-
228 PM EDT THU MAY 26 2011

...TORNADO WATCH 382 IN EFFECT UNTIL 10 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW
YORK...SOUTHEASTERN 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...FRIDAY THROUGH WEDNESDAY.

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE REGION THROUGH
SATURDAY. SOME STORMS MAY BECOME SEVERE BOTH FRIDAY AND SATURDAY
AFTERNOONS WITH LARGE HAIL AND DAMAGING WINDS REMAINING THE
PRIMARY TREATS. LOCALIZED HEAVY RAIN AND FLOODING WILL ALSO BE
POSSIBLE. STAY TUNED TO LATER FORECASTS AND STATEMENTS REGARDING
THIS POTENTIAL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, May 26, 9:40 PM EDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
940 PM EDT THU MAY 26 2011

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

0938 PM     TSTM WND DMG     OWEGO                   42.10N  76.26W
05/26/2011                   TIOGA              NY   EMERGENCY MNGR

            TREES DOWN COUNTY WIDE AND NUMEROUS POWER OUTAGES

&&

EMG

Local storm report, May 26, 9:43 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
943 PM EDT THU MAY 26 2011

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

0825 PM     TSTM WND DMG     2 NW WELLSBURG          42.03N  76.76W
05/26/2011                   CHEMUNG            NY   EMERGENCY MNGR

            TRAILER WITH ROOF BLOWN OFF. ATTACHED CARPORTS RIPPED
            AWAY IN CARRIAGE ESTATES.

&&

PN

Local storm report, May 26, 9:44 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
944 PM EDT THU MAY 26 2011

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

0825 PM     TSTM WND DMG     2 NE WELLSBURG          42.03N  76.70W
05/26/2011                   CHEMUNG            NY   EMERGENCY MNGR

            NUMEROUS TREES AND WIRES DOWN IN TOWNS OF BALDWIN AND
            CHEMUNG

&&

PN

Local storm report, May 26, 9:50 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
950 PM EDT THU MAY 26 2011

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

0949 PM     HAIL             ROME                    43.23N  75.49W
05/26/2011  M0.88 INCH       ONEIDA             NY   PUBLIC

&&

EMG

Special weather statement, May 26, 9:52 PM EDT, 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
952 PM EDT THU MAY 26 2011

NYZ009-037-270245-
ONEIDA NY-
952 PM EDT THU MAY 26 2011

...LINE OF STRONG THUNDERSTORMS WILL AFFECT ONEIDA COUNTY...

* AT 948 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL...
  STRONG GUSTY WINDS...AND VERY HEAVY RAIN.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM HOLLAND PATENT TO WESTMORELAND
  TO VERNON...AND MOVING NORTHEAST AT 30 MPH.

* STRONG THUNDERSTORMS WILL BE NEAR...
  WESTMORELAND AND KIRKLAND AT 1000 PM EDT...
  ALDER CREEK AND BOONVILLE AT 1010 PM EDT...
  FORESTPORT AND HAWKINSVILLE AT 1015 PM EDT...
  STITTVILLE AND FLOYD AT 1020 PM EDT...
  WOODGATE AND HOLLAND PATENT AT 1025 PM EDT...
  TRENTON FALLS AND TRENTON AT 1035 PM EDT...
  HINCKLEY AND REMSEN AT 1040 PM EDT...

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE
HAIL AND/OR DAMAGING WINDS.

LAT...LON 4333 7507 4331 7510 4330 7514 4326 7516
      4323 7507 4315 7513 4304 7553 4304 7560
      4307 7560 4308 7563 4315 7569 4329 7559
      4350 7538 4361 7511

MLJ

Local storm report, May 26, 9:53 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
953 PM EDT THU MAY 26 2011

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

0952 PM     HAIL             NEWFOUNDLAND            41.30N  75.33W
05/26/2011  E1.25 INCH       WAYNE              PA   PUBLIC

&&

EMG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:03 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Tioga	57 min
May 26, 8:24 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland, Madison, Onondaga, Tioga and 1 more	51 min
May 26, 8:30 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chemung, Tioga	60 min
May 26, 8:39 PM EDT	Tornado Warning	BGM	Broome, Chemung, Tioga, Tompkins	36 min
May 26, 8:43 PM EDT	Areal Flood Advisory	BGM	Broome, Tioga	3 hr
May 26, 8:47 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Cayuga, Chemung, Chenango, Cortland, Schuyler and 3 more	58 min
May 26, 9:14 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Madison, Oneida, Otsego and 1 more	47 min
May 26, 9:15 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	30 min
May 26, 9:41 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	52 min
May 26, 9:52 PM EDT	Special Weather Statement	BGM	Oneida	53 min
May 27, 4:09 PM EDT	Special Weather Statement	BGM	Otsego	66 min
May 27, 5:56 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Tioga	64 min
May 27, 6:52 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland	53 min
May 27, 6:55 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Tioga	65 min
May 27, 7:03 PM EDT	Special Weather Statement	BGM	Chemung	57 min
May 27, 7:05 PM EDT	Special Weather Statement	BGM	Otsego	25 min
May 27, 7:29 PM EDT	Special Weather Statement	BGM	Cortland	61 min
May 27, 7:29 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Tioga	61 min
May 27, 7:31 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	29 min
May 27, 7:37 PM EDT	Areal Flood Advisory	BGM	Tioga	3 hr
May 27, 7:43 PM EDT	Flash Flood Watch	BGM	Broome, Chemung, Chenango, Cortland, Delaware, Madison and 4 more	7 hr
May 27, 7:52 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Seneca, Tompkins	68 min
May 26, 8:11 PM EDT	Flash Flood Warning	BGM	Luzerne	6 hr
May 26, 8:14 PM EDT	Flash Flood Warning	BGM	Bradford	6 hr
May 27, 6:20 PM EDT	Special Weather Statement	BGM	Susquehanna	25 min

Nearby

Severe Thunderstorm Warnings in New York, 2011 Severe Thunderstorm Warnings in Pennsylvania, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.