Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 85, NWS Binghamton, NY

May 26, 20117 counties in New York; 5 counties in Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at May 26, 2011, 9:14 PM EDT for 7 counties in New York; 5 counties in Pennsylvania. It was in force for 47 min. 5 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, 9:14 PM EDT (01:14 UTC)
Expired: May 26, 2011, 10:01 PM EDT
In force: 47 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Broome County, NY, Chenango County, NY, Delaware County, NY, Madison County, NY, Oneida County, NY, Otsego County, NY, Sullivan County, NY, Lackawanna County, PA, Luzerne County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 70 km from the middle of the area, began a volume at 01:16 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, 9:40 PM EDT	TSTM WND DMG	Hawley, PA	TREES DOWN
May 26, 9:45 PM EDT	TSTM WND DMG	Honesdale, PA	TREES DOWN COUNTYWIDE. 10000 CUSTOMERS WITHOUT POWER.
May 26, 9:50 PM EDT	TSTM WND DMG	Walton, NY	TREES DOWN IN WALTON
May 26, 9:52 PM EDT	HAIL 1.25	Newfoundland, PA
May 26, 10:01 PM EDT	HAIL 0.88	Greeley, PA

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 4 storm reports to this severe thunderstorm warning; the first came 26 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, 1.2 hours before the alert went out and 164 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.

567 
WUUS51 KBGM 270114
SVRBGM
NYC007-017-025-053-065-077-105-PAC069-079-103-115-127-270215-
/O.NEW.KBGM.SV.W.0085.110527T0114Z-110527T0215Z/

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

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BROOME COUNTY IN CENTRAL NEW YORK...
  CHENANGO COUNTY IN CENTRAL NEW YORK...
  WESTERN DELAWARE COUNTY IN CENTRAL NEW YORK...
  SOUTHERN MADISON COUNTY IN CENTRAL NEW YORK...
  SOUTH CENTRAL ONEIDA COUNTY IN CENTRAL NEW YORK...
  WESTERN OTSEGO COUNTY IN CENTRAL NEW YORK...
  WESTERN SULLIVAN COUNTY IN CENTRAL NEW YORK...
  EASTERN LACKAWANNA COUNTY IN NORTHEAST PENNSYLVANIA...
  EXTREME EAST CENTRAL LUZERNE COUNTY IN NORTHEAST PENNSYLVANIA...
  WESTERN PIKE COUNTY IN NORTHEAST PENNSYLVANIA...
  EASTERN SUSQUEHANNA COUNTY IN NORTHEAST PENNSYLVANIA...
  WAYNE COUNTY IN NORTHEAST PENNSYLVANIA...

* UNTIL 1015 PM EDT.

* AT 911 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 17 MILES SOUTHWEST OF OTSELIC TO 11 MILES WEST OF
  OXFORD TO NINEVEH TO 6 MILES WEST OF SHERMAN TO 10 MILES WEST OF
  MOSCOW TO 38 MILES SOUTHWEST OF GOULDSBORO...AND MOVING EAST AT 40
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SANFORD...AFTON...STARRUCA AND SHERMAN BY 920 PM EDT...
  DEPOSIT...MAYFIELD AND CARBONDALE BY 924 PM EDT...
  SHEHAWKEN AND FOREST CITY BY 926 PM EDT...
  OXFORD...BAINBRIDGE AND PLEASANT MOUNT BY 928 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!

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
NORTHERN PENNSYLVANIA AND SOUTHERN NEW YORK. 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 4135 7553 4191 7555 4218 7569 4244 7563
      4287 7590 4306 7521 4287 7521 4287 7514
      4246 7500 4195 7494 4132 7499 4108 7504
      4114 7509 4115 7517 4125 7514 4123 7549
      4121 7556 4112 7564 4112 7567 4099 7577
TIME...MOT...LOC 0114Z 263DEG 33KT 4261 7598 4244 7578
          4223 7560 4198 7551 4139 7568 4088 7597

$$

HEDEN/MSE

1 follow-up statement

675 
WWUS51 KBGM 270201
SVSBGM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1001 PM EDT THU MAY 26 2011

NYC007-017-025-053-065-077-105-PAC069-079-103-115-127-270211-
/O.CAN.KBGM.SV.W.0085.000000T0000Z-110527T0215Z/
CHENANGO NY-DELAWARE NY-MADISON NY-SULLIVAN NY-OTSEGO NY-BROOME NY-
SUSQUEHANNA PA-LUZERNE PA-LACKAWANNA PA-PIKE PA-ONEIDA NY-WAYNE PA-
1001 PM EDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR WAYNE...SOUTH CENTRAL
ONEIDA...WESTERN PIKE...EASTERN LACKAWANNA...EXTREME EAST CENTRAL
LUZERNE...EASTERN SUSQUEHANNA...SOUTHEASTERN BROOME...WESTERN
OTSEGO...WESTERN SULLIVAN...SOUTHERN MADISON...WESTERN DELAWARE AND
CHENANGO COUNTIES IS CANCELLED...

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.

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

LAT...LON 4135 7553 4191 7555 4218 7569 4244 7563
      4287 7590 4306 7521 4287 7521 4287 7514
      4246 7500 4195 7494 4132 7499 4108 7504
      4114 7509 4115 7517 4125 7514 4123 7549
      4121 7556 4112 7564 4112 7567 4099 7577
TIME...MOT...LOC 0201Z 263DEG 33KT 4266 7540 4249 7520
          4228 7502 4203 7493 4144 7511 4093 7540

$$

CMG

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, 1 hour 24 minutes earlier.

Area forecast discussion, May 26, 7:50 PM EDT, 1 hour 24 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, 6 hours 46 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, 9:01 PM EDT, 13 minutes before

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

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

0820 PM     HAIL             SAYRE                   41.99N  76.52W
05/26/2011  E1.25 INCH       BRADFORD           PA   PUBLIC

&&

EMG

Local storm report, May 26, 9:04 PM EDT, 10 minutes before

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

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

0859 PM     TSTM WND DMG     LOWMAN                  42.03N  76.72W
05/26/2011                   CHEMUNG            NY   PUBLIC

            AT THE GARNER HILL CAMPGROUND...TREE DOWN ACROSS
            INTERIOR ROAD.

&&

MJN

Local storm report, May 26, 9:06 PM EDT, 8 minutes before

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

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

0858 PM     HAIL             VESTAL                  42.08N  76.05W
05/26/2011  E0.88 INCH       BROOME             NY   PUBLIC

&&

MJN

Local storm report, May 26, 9:08 PM EDT, 6 minutes before

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

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

0900 PM     HAIL             VESTAL                  42.08N  76.05W
05/26/2011  E2.00 INCH       BROOME             NY   PUBLIC

            40 PLUS MPH WIND ALSO REPORTED.

&&

MJN

Local storm report, May 26, 9:12 PM EDT, 2 minutes before

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

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

0904 PM     TSTM WND GST     WHITNEY POINT           42.33N  75.97W
05/26/2011  E70 MPH          BROOME             NY   PUBLIC

&&

EMG

Local storm report, May 26, 9:14 PM EDT, 0 minutes before

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

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

0900 PM     HAIL             JOHNSON CITY            42.12N  75.96W
05/26/2011  E1.00 INCH       BROOME             NY   PUBLIC

&&

MJN

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, 9:15 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 26, 9:53 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Otsego, Sullivan	52 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.