Alert archive / New York / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 79, NWS Binghamton, NY

June 26, 2009Chemung County, Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 26, 2009, 5:09 PM EDT for Chemung County, Steuben County, New York. It was in force for 23 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
Jun 26, 2009, 5:09 PM EDT (21:09 UTC)
Expired
Jun 26, 2009, 5:32 PM EDT
In force
23 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon

Counties Chemung County, NY, Steuben County, NY

The radar

The Binghamton radar (KBGM), 90 km from the middle of the area, began a volume at 21:09 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
Jun 26, 12:32 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.2 hours before the alert went out and 156 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, Buffalo Intl Airport, NY at 12:00Z on 2009-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 974 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, Buffalo Intl Airport, NY at 12:00Z on 2009-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
974 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

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 Jun 26, 1:52 PM EDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jun 26, 1:52 PM EDT, 3 hours 17 minutes before
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Hazardous weather outlook, Jun 26, 12:43 PM EDT, 4 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
1243 PM EDT FRI JUN 26 2009

NYZ009-015>018-022>025-036-037-044-045-055-056-062-PAZ038>040-043-
044-047-048-072-271645-
NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN-
SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND-CHENANGO-
TIOGA-BROOME-SULLIVAN-BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-WYOMING-
LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE-
1243 PM EDT FRI JUN 26 2009

...SEVERE THUNDERSTORM WATCH 516 IN EFFECT UNTIL 7 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.

   SEVERE THUNDERSTORM WATCH.

A SLOW MOVING COLD FRONT WILL RESULT IN ANOTHER ROUND OF SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. SOME STORMS MAY BECOME SEVERE WITH THE
THREATS AGAIN BEING LARGE HAIL AND DAMAGING WINDS. THE FRONT WILL
EXIT THE REGION THIS EVENING...ENDING THE SEVERE WEATHER THREAT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NYZ046-057-271645-
OTSEGO-DELAWARE-
1243 PM EDT FRI JUN 26 2009

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 516 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

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.

   FLASH FLOOD WATCH.
   SEVERE THUNDERSTORM WATCH.

A SLOW MOVING COLD FRONT WILL RESULT IN ANOTHER ROUND OF SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. SOME STORMS MAY BECOME SEVERE WITH THE
THREATS AGAIN BEING LARGE HAIL AND DAMAGING WINDS. THE FRONT WILL
EXIT THE REGION THIS EVENING...ENDING THE SEVERE WEATHER THREAT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 26, 2:31 PM EDT, 2 hours 38 minutes before
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Local storm report, Jun 26, 3:06 PM EDT, 2 hours 3 minutes before
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Local storm report, Jun 26, 3:41 PM EDT, 1 hour 28 minutes before
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Special weather statement, Jun 26, 3:59 PM EDT, 1 hour 10 minutes before
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Local storm report, Jun 26, 4:39 PM EDT, 30 minutes before
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Special weather statement, Jun 26, 4:59 PM EDT, 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 11:05 AM EDTFlash Flood WatchBGMDelaware, Otsego7 hr
Jun 26, 12:42 PM EDTAreal Flood AdvisoryBGMSteuben2 hr
Jun 26, 12:46 PM EDTSevere Thunderstorm WarningBGMChemung, Tioga59 min
Jun 26, 1:36 PM EDTSevere Thunderstorm WarningBGMChemung, Tioga54 min
Jun 26, 1:36 PM EDTSevere Thunderstorm WarningBGMOnondaga54 min
Jun 26, 1:41 PM EDTSevere Thunderstorm WarningBGMSteuben34 min
Jun 26, 1:58 PM EDTSevere Thunderstorm WarningBGMSullivan62 min
Jun 26, 2:17 PM EDTSevere Thunderstorm WarningBGMCayuga, Cortland, Onondaga, Seneca58 min
Jun 26, 2:43 PM EDTSevere Thunderstorm WarningBGMCayuga, Schuyler, Seneca, Tompkins, Yates62 min
Jun 26, 2:55 PM EDTSevere Thunderstorm WarningBGMSullivan50 min
Jun 26, 4:07 PM EDTSevere Thunderstorm WarningBGMSteuben53 min
Jun 26, 4:10 PM EDTSevere Thunderstorm WarningBGMSullivan53 min
Jun 26, 4:31 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben44 min
Jun 26, 1:49 PM EDTSevere Thunderstorm WarningBGMBradford56 min
Jun 26, 2:31 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wyoming44 min
Jun 26, 2:55 PM EDTSevere Thunderstorm WarningBGMBradford, Lackawanna, Luzerne, Susquehanna, Wyoming65 min
Jun 26, 3:07 PM EDTSevere Thunderstorm WarningBGMLackawanna, Susquehanna, Wayne53 min
Jun 26, 3:42 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne, Pike, Wayne63 min
Jun 26, 4:30 PM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne65 min

Nearby

Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009

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.