Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 57, NWS Buffalo, NY

July 26, 2011Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 2011, 11:52 AM EDT for Oswego County, New York. It was in force for 23 min. 3 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
Jul 26, 2011, 11:52 AM EDT (15:52 UTC)
Expired
Jul 26, 2011, 12:15 PM EDT
In force
23 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 53 km from the middle of the area, began a volume at 15:54 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

TimeReportWhereRemark
Jul 26, 11:55 AM EDTTSTM WND DMG1 Se Little France, NYTREES WIRES DOWN CTY RD 84 AND 37
Jul 26, 11:55 AM EDTTSTM WND DMGWest Monroe, NYMULTIPLE TREES DOWN
Jul 26, 12:00 PM EDTTSTM WND DMGConstantia, NYTREES DOWN

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 26, 11:28 AM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 3.9 hours before the alert went out and 183 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 2011-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2011-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897Sfc1 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
72 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

551 
WUUS51 KBUF 261552
SVRBUF
NYC075-261615-
/O.NEW.KBUF.SV.W.0057.110726T1552Z-110726T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1152 AM EDT TUE JUL 26 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 1215 PM EDT

* AT 1150 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES
  NORTHEAST OF CENTRAL SQUARE...AND MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CONSTANTIA...
  CLEVELAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

&&

LAT...LON 4328 7586 4322 7587 4321 7588 4330 7620
      4341 7610 4338 7586 4335 7586 4333 7588
      4332 7585 4329 7586
TIME...MOT...LOC 1552Z 286DEG 35KT 4334 7607

$$

ZAFF
2 follow-up statements
330 
WWUS51 KBUF 261607
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1207 PM EDT TUE JUL 26 2011

NYC075-261615-
/O.CON.KBUF.SV.W.0057.000000T0000Z-110726T1615Z/
OSWEGO NY-
1207 PM EDT TUE JUL 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR SOUTH CENTRAL OSWEGO COUNTY...

AT 1203 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CONSTANTIA...OR 9 MILES WEST OF CAMDEN...MOVING EAST AT
40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CONSTANTIA...
  CLEVELAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

&&

LAT...LON 4328 7586 4322 7587 4321 7588 4330 7620
      4341 7610 4338 7586 4335 7586 4333 7588
      4332 7585 4329 7586
TIME...MOT...LOC 1607Z 286DEG 35KT 4330 7588

$$

ZAFF
762 
WWUS51 KBUF 261615
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1215 PM EDT TUE JUL 26 2011

NYC075-261626-
/O.EXP.KBUF.SV.W.0057.000000T0000Z-110726T1615Z/
OSWEGO NY-
1215 PM EDT TUE JUL 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL OSWEGO COUNTY
HAS EXPIRED...

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4328 7586 4322 7587 4321 7588 4330 7620
      4341 7610 4338 7586 4335 7586 4333 7588
      4332 7585 4329 7586
TIME...MOT...LOC 1607Z 286DEG 35KT 4330 7588

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:31 PM EDTSpecial Weather StatementBUFLivingston29 min
Jul 26, 9:32 AM EDTSpecial Marine WarningBUF15 min
Jul 26, 11:04 AM EDTSevere Thunderstorm WarningBUFOntario, Wayne56 min
Jul 26, 11:17 AM EDTSevere Thunderstorm WarningBUFCayuga, Wayne43 min
Jul 26, 12:07 PM EDTSpecial Weather StatementBUFOntario53 min
Jul 26, 3:26 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.