Alert archive / New York / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 101, NWS Binghamton, NY

July 7, 2009Broome County, Chenango County, Delaware County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 7, 2009, 2:44 PM EDT for Broome County, Chenango County, Delaware 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
Jul 7, 2009, 2:44 PM EDT (18:44 UTC)
Expired
Jul 7, 2009, 3:07 PM EDT
In force
23 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon

Counties Broome County, NY, Chenango County, NY, Delaware County, NY

The radar

The Binghamton radar (KBGM), 44 km from the middle of the area, began a volume at 18:45 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 12:00Z, 6.7 hours before the alert went out and 142 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 2009-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2009-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
93 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

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 Jul 7, 1:54 PM EDT, 50 minutes earlier.

Area forecast discussion, Jul 7, 1:54 PM EDT, 50 minutes before
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Hazardous weather outlook, Jul 7, 3:59 AM EDT, 10 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
359 AM EDT TUE JUL 7 2009

NYZ015>018-022>025-044-055-056-PAZ038-039-043-044-047-080800-
YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN-SCHUYLER-CHEMUNG-
TOMPKINS-CORTLAND-TIOGA-BROOME-BRADFORD-SUSQUEHANNA-WYOMING-
LACKAWANNA-LUZERNE-
359 AM EDT TUE JUL 7 2009

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORM DEVELOPMENT IS POSSIBLE TODAY WITH SOME ISOLATED
STORMS HAVING THE POTENTIAL TO BECOME STRONG WITH SMALL HAIL AND
GUSTY WINDS.

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

HAZARDOUS WEATHER IS NOT EXPECTED THROUGH THE END OF THE WEEK.

THE POSSIBILITY FOR HAZARDOUS WEATHER IS LOW FOR THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION NOT EXPECTED AT THIS TIME.

NYZ009-036-037-045-046-057-062-PAZ040-048-072-080800-
NORTHERN ONEIDA-MADISON-SOUTHERN ONEIDA-CHENANGO-OTSEGO-DELAWARE-
SULLIVAN-NORTHERN WAYNE-PIKE-SOUTHERN WAYNE-
359 AM EDT TUE JUL 7 2009

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS
EVENING. ISOLATED SEVERE STORMS ARE POSSIBLE WITH HAIL AND GUSTY WINDS
AS THE MAIN THREAT. THE MAIN AREAS OF CONCERN ARE
OTSEGO...SULLIVAN...AND DELAWARE COUNTIES IN NEW YORK AND PIKE
COUNTY IN PENNSYLVANIA.

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

HAZARDOUS WEATHER IS NOT EXPECTED THROUGH THE END OF THE WEEK.

THE POSSIBILITY FOR HAZARDOUS WEATHER IS LOW FOR THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Jul 7, 1:03 PM EDT, 1 hour 41 minutes before
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Local storm report, Jul 7, 1:16 PM EDT, 1 hour 28 minutes before
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Local storm report, Jul 7, 1:17 PM EDT, 1 hour 27 minutes before
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Local storm report, Jul 7, 1:40 PM EDT, 1 hour 4 minutes before
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Local storm report, Jul 7, 1:40 PM EDT, 1 hour 4 minutes before
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Special weather statement, Jul 7, 2:44 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 11:56 AM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga64 min
Jul 7, 12:58 PM EDTSevere Thunderstorm WarningBGMOneida62 min
Jul 7, 1:30 PM EDTSevere Thunderstorm WarningBGMOneida45 min
Jul 7, 1:39 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango66 min
Jul 7, 1:53 PM EDTSevere Thunderstorm WarningBGMOnondaga40 min
Jul 7, 2:26 PM EDTSevere Thunderstorm WarningBGMBroome40 min
Jul 7, 2:27 PM EDTSevere Thunderstorm WarningBGMDelaware, Sullivan63 min
Jul 7, 3:03 PM EDTSevere Thunderstorm WarningBGMChenango, Otsego27 min
Jul 7, 3:13 PM EDTSevere Thunderstorm WarningBGMSullivan23 min
Jul 7, 3:24 PM EDTSevere Thunderstorm WarningBGMDelaware, Sullivan25 min
Jul 7, 3:25 PM EDTSevere Thunderstorm WarningBGMDelaware, Sullivan35 min
Jul 7, 5:05 PM EDTSevere Thunderstorm WarningBGMChenango, Otsego55 min
Jul 7, 5:21 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango54 min
Jul 7, 6:35 PM EDTSevere Thunderstorm WarningBGMBroome25 min
Jul 7, 12:09 PM EDTSevere Thunderstorm WarningBGMBradford66 min
Jul 7, 1:56 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne, Wyoming64 min
Jul 7, 2:39 PM EDTSevere Thunderstorm WarningBGMLackawanna, Wayne21 min
Jul 7, 7:06 PM EDTSevere Thunderstorm WarningBGMLackawanna, Susquehanna, Wayne39 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.