Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 208, NWS Binghamton, NY

August 1, 2011Sullivan County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Aug 1, 2011, 10:11 PM EDT for Sullivan County, New York. It was in force for 79 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 1, 2011, 10:11 PM EDT (02:11 UTC)
Expired
Aug 1, 2011, 11:30 PM EDT
In force
79 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon

County Sullivan County, NY

The radar

The Albany radar (KENX), 113 km from the middle of the area, began a volume at 02:13 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 00:00Z, 2.2 hours before the alert went out and 133 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 00:00Z on 2011-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 00:00Z on 2011-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
734 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1910 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 1, 10:08 PM EDT, 3 minutes earlier.

Area forecast discussion, Aug 1, 10:08 PM EDT, 3 minutes before
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Hazardous weather outlook, Aug 1, 3:25 PM EDT, 6 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
325 PM EDT MON AUG 1 2011

NYZ022>025-044>046-055>057-062-PAZ038>040-043-044-047-048-072-021930-
STEUBEN-SCHUYLER-CHEMUNG-TOMPKINS-CORTLAND-CHENANGO-OTSEGO-TIOGA-
BROOME-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-WYOMING-
LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE-
325 PM EDT MON AUG 1 2011

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

.DAY ONE...THIS EVENING AND TONIGHT.

...SLIGHT RISK OF SEVERE THUNDERSTORMS...
SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS SOUTH CENTRAL NEW
YORK AND NORTHEAST PENNSYLVANIA FROM LATE AFTERNOON INTO THE
EARLY EVENING. A FEW OF THESE STORMS COULD HAVE LARGE HAIL AND
DAMAGING WINDS. THE POTENTIAL EXISTS FOR ANOTHER MORE WIDESPREAD
ROUND OF THUNDERSTORMS THIS EVENING FROM THE SOUTHERN TIER OF NEW
YORK THROUGH NORTHEAST PENNSYLVANIA. THIS NEXT ROUND OF STORMS
COULD PRODUCE DAMAGING WINDS AND LARGE HAIL. ALL THE THUNDERSTORM
ACTIVITY WILL DIE DOWN BY LATE EVENING.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR LATER
UPDATES ON THIS SITUATION. YOU COULD ALSO VISIT OUR WEBSITE AT
HTTP://WEATHER.GOV/BGM

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

NYZ009-015>018-036-037-021930-
NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-MADISON-
SOUTHERN ONEIDA-
325 PM EDT MON AUG 1 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

DJN

In the hours before

Special weather statement, Aug 1, 5:51 PM EDT, 4 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
551 PM EDT MON AUG 1 2011

NYZ045-056-012215-
BROOME NY-CHENANGO NY-
551 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL BROOME AND SOUTHERN
CHENANGO COUNTIES...

* AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
  WINDS...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED NEAR GREENE...
  AND MOVING EAST AT 25 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  BELDEN AND COVENTRY AT 610 PM EDT...
  NINEVEH AND HARPURSVILLE AT 615 PM EDT...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

LAT...LON 4232 7542 4210 7543 4223 7584 4234 7584

MANNING
Special weather statement, Aug 1, 7:39 PM EDT, 2 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
739 PM EDT MON AUG 1 2011

NYZ025-044-055-056-020015-
BROOME NY-CORTLAND NY-TIOGA NY-TOMPKINS NY-
739 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN TIOGA...NORTHWESTERN
BROOME...SOUTHEASTERN TOMPKINS AND SOUTHWESTERN CORTLAND COUNTIES...

* AT 738 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
  WINDS...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED NEAR DRYDEN...
  AND MOVING SOUTHEAST AT 20 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  HARFORD AND CAROLINE AT 750 PM EDT...
  RICHFORD AND HUNTS CORNERS AT 805 PM EDT...
  EAST BERKSHIRE AND BERKSHIRE AT 815 PM EDT...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

LAT...LON 4236 7594 4219 7616 4247 7640 4254 7631

MANNING
Special weather statement, Aug 1, 7:52 PM EDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
752 PM EDT MON AUG 1 2011

NYZ015-022-020015-
STEUBEN NY-YATES NY-
752 PM EDT MON AUG 1 2011

...LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN STEUBEN AND WEST
CENTRAL YATES COUNTIES...

* AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL...AND
  VERY HEAVY RAIN.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM WAYLAND TO 6 MILES WEST OF ITALY...AND MOVING SOUTHEAST AT 20
  MPH.

* STRONG THUNDERSTORMS WILL BE NEAR...
  PERKINSVILLE AND ITALY AT 800 PM EDT...
  SOUTH DANSVILLE AT 805 PM EDT...
  ITALY HILL AT 810 PM EDT...
  COHOCTON AND PRATTSBURG AT 815 PM EDT...

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DANGEROUS LIGHTNING AND
VERY HEAVY RAIN.

LAT...LON 4254 7772 4254 7767 4259 7766 4258 7737
      4267 7737 4267 7736 4268 7730 4244 7715
      4241 7767 4248 7773 4253 7773

MANNING
Special weather statement, Aug 1, 9:15 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
915 PM EDT MON AUG 1 2011

NYZ062-020145-
SULLIVAN NY-
915 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN SULLIVAN COUNTY...

* AT 912 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
  WINDS...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED NEAR MONGAUP
  VALLEY...AND MOVING SOUTHEAST AT 20 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  FORRESTBURG AT 925 PM EDT...
  HARTWOOD AT 935 PM EDT...
  HAVEN AT 945 PM EDT...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

THIS STORM HAS THE POTENTIAL TO PRODUCE VERY HEAVY RAIN...AND COULD
CAUSE LOCALIZED FLOODING OF ROADS AND POOR DRAINAGE AREAS.

LAT...LON 4150 7450 4149 7475 4147 7474 4147 7475
      4160 7488 4169 7478 4152 7446 4151 7447

MANNING
Special weather statement, Aug 1, 9:38 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
938 PM EDT MON AUG 1 2011

NYZ057-020215-
DELAWARE NY-
938 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN DELAWARE COUNTY...

* AT 933 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
  WINDS...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED 8 MILES NORTH
  OF HANCOCK...AND MOVING SOUTHEAST AT 25 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  HANCOCK AT 950 PM EDT...
  HARVARD AT 955 PM EDT...
  FISHS EDDY AND EAST BRANCH AT 1000 PM EDT...
  PEABROOK AT 1010 PM EDT...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

LAT...LON 4196 7494 4186 7515 4204 7541 4219 7533

MANNING
Special weather statement, Aug 1, 9:47 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
947 PM EDT MON AUG 1 2011

NYZ062-020200-
SULLIVAN NY-
947 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN SULLIVAN COUNTY...

* AT 946 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY
  WINDS...AND VERY HEAVY RAIN.  THIS STORM WAS LOCATED NEAR HAVEN...
  AND MOVING SOUTHEAST AT 20 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  BLOOMINGBURG AND HIGHVIEW AT 955 PM EDT...

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

LAT...LON 4156 7443 4151 7447 4150 7450 4149 7465
      4153 7470 4166 7453 4157 7440

MANNING

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:15 PM EDTSpecial Weather StatementBGMSullivan30 min
Aug 1, 9:38 PM EDTSpecial Weather StatementBGMDelaware37 min
Aug 1, 9:47 PM EDTSpecial Weather StatementBGMSullivan13 min
Aug 1, 9:52 PM EDTSevere Thunderstorm WarningBGMDelaware23 min
Aug 1, 11:08 PM EDTSpecial Weather StatementBGMWyoming52 min

Nearby

Severe Thunderstorm Warnings in New York, 2011Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.