Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 68, NWS Buffalo, NY

July 19, 2013Cayuga County, Oswego County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 19, 2013, 8:01 PM EDT for Cayuga County, Oswego County, Wayne County, New York. It was in force for 59 min. 8 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 19, 2013, 8:01 PM EDT (00:01 UTC)
Expired
Jul 19, 2013, 9:00 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cayuga County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 73 km from the middle of the area, began a volume at 00:02 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 19, 8:08 PM EDTTSTM WND GST 60Fair Haven, NY60 MPH WIND GUST AND POWER OUTAGES.
Jul 19, 8:11 PM EDTTSTM WND DMGOswego, NYMANY TREES DOWN.
Jul 19, 8:18 PM EDTTSTM WND DMGFulton, NY1 FOOT DIAMETER TREE DOWNED AND 7 INCH TREE BRANCH SNAPPED OFF.
Jul 19, 8:20 PM EDTTSTM WND DMGFulton, NYMANY TREES DOWN.
Jul 19, 8:29 PM EDTTSTM WND DMG1 N Parish, NY10-12 INCH DIAMETER TREE SNAPPED OFF AT THE BASE AND DOWN ALONG SHOULDER OF RTE 81 NB.
Jul 19, 8:30 PM EDTTSTM WND DMG2 N Hastings, NYSEVERAL SMALL TREES DOWN AND LARGE TREE LIMBS SNAPPED OFF ALONG RTE 11 AND ALONG MARKOWITZ DRIVE.
Jul 19, 8:31 PM EDTTSTM WND DMGHastings, NYONE TREE DOWN ON THE SOUTHBOUND SHOULDER OF ROUTE 11.
Jul 19, 8:33 PM EDTTSTM WND DMGCentral Square, NYSEVERAL LARGE TREE LIMBS 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 19, 7:52 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.0 hours before the alert went out and 198 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 00:00Z on 2013-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1370 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 00:00Z on 2013-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
1370 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1402 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

799 
WUUS51 KBUF 200001
SVRBUF
NYC011-075-117-200100-
/O.NEW.KBUF.SV.W.0068.130720T0001Z-130720T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
801 PM EDT FRI JUL 19 2013

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CAYUGA COUNTY IN CENTRAL NEW YORK
  OSWEGO COUNTY IN CENTRAL NEW YORK
  NORTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 900 PM EDT

* AT 800 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 12 MILES NORTHWEST OF OSWEGO TO 20 MILES NORTHWEST
  OF MONTEZUMA...AND MOVING EAST AT 45 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  OSWEGO...
  CATO...
  FULTON...
  PHOENIX...
  CENTRAL SQUARE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4333 7588 4332 7585 4315 7588 4319 7608
      4326 7620 4320 7622 4320 7629 4322 7631
      4322 7647 4311 7647 4315 7705 4329 7697
      4335 7670 4343 7663 4348 7652 4351 7578
TIME...MOT...LOC 0001Z 270DEG 41KT 4358 7663 4320 7696

$$

RSH
3 follow-up statements
589 
WWUS51 KBUF 200033
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
833 PM EDT FRI JUL 19 2013

NYC117-200043-
/O.CAN.KBUF.SV.W.0068.000000T0000Z-130720T0100Z/
WAYNE NY-
833 PM EDT FRI JUL 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4333 7588 4332 7585 4315 7588 4319 7608
      4326 7620 4320 7622 4320 7629 4322 7631
      4322 7647 4311 7647 4313 7669 4335 7670
      4336 7669 4348 7652 4351 7578
TIME...MOT...LOC 0033Z 270DEG 41KT 4358 7613 4312 7653

$$

NYC011-075-200100-
/O.CON.KBUF.SV.W.0068.000000T0000Z-130720T0100Z/
OSWEGO NY-CAYUGA NY-
833 PM EDT FRI JUL 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHWESTERN CAYUGA AND OSWEGO COUNTIES...

AT 824 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 7 MILES NORTH OF NEW HAVEN TO CATO...MOVING EAST AT 
45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  PARISH...
  SAND RIDGE...
  CENTRAL SQUARE...
  WILLIAMSTOWN...
  CLEVELAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4333 7588 4332 7585 4315 7588 4319 7608
      4326 7620 4320 7622 4320 7629 4322 7631
      4322 7647 4311 7647 4313 7669 4335 7670
      4336 7669 4348 7652 4351 7578
TIME...MOT...LOC 0033Z 270DEG 41KT 4358 7613 4312 7653

$$

RSH
791 
WWUS51 KBUF 200047
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
847 PM EDT FRI JUL 19 2013

NYC011-200057-
/O.CAN.KBUF.SV.W.0068.000000T0000Z-130720T0100Z/
CAYUGA NY-
847 PM EDT FRI JUL 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CAYUGA COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4331 7627 4342 7609 4351 7578 4333 7588
      4332 7585 4315 7588 4319 7608 4326 7620
      4320 7622 4320 7629 4322 7631
TIME...MOT...LOC 0047Z 270DEG 41KT 4353 7568 4315 7623

$$

NYC075-200100-
/O.CON.KBUF.SV.W.0068.000000T0000Z-130720T0100Z/
OSWEGO NY-
847 PM EDT FRI JUL 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN OSWEGO COUNTY...

AT 845 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF 
WILLIAMSTOWN TO 6 MILES SOUTH OF PHOENIX...MOVING EAST AT 45 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4331 7627 4342 7609 4351 7578 4333 7588
      4332 7585 4315 7588 4319 7608 4326 7620
      4320 7622 4320 7629 4322 7631
TIME...MOT...LOC 0047Z 270DEG 41KT 4353 7568 4315 7623

$$

RSH
386 
WWUS51 KBUF 200059
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
859 PM EDT FRI JUL 19 2013

NYC075-200109-
/O.EXP.KBUF.SV.W.0068.000000T0000Z-130720T0100Z/
OSWEGO NY-
859 PM EDT FRI JUL 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSWEGO COUNTY
WILL EXPIRE AT 900 PM EDT...

AT 859 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4331 7627 4342 7609 4351 7578 4333 7588
      4332 7585 4315 7588 4319 7608 4326 7620
      4320 7622 4320 7629 4322 7631
TIME...MOT...LOC 0059Z 270DEG 41KT 4353 7549 4315 7604

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:03 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego57 min
Jul 19, 8:20 PM EDTAreal Flood AdvisoryBUFErie, Genesee, Niagara, Orleans3 hr
Jul 19, 8:32 PM EDTSevere Thunderstorm WarningBUFNiagara43 min
Jul 19, 8:49 PM EDTSevere Thunderstorm WarningBUFGenesee, Wyoming56 min
Jul 19, 8:51 PM EDTFlash Flood WarningBUFErie, Niagara3 hr
Jul 19, 8:58 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis32 min
Jul 19, 9:25 PM EDTSevere Thunderstorm WarningBUFErie, Niagara65 min
Jul 19, 9:49 PM EDTSpecial Marine WarningBUF56 min
Jul 19, 9:56 PM EDTSpecial Marine WarningBUF64 min
Jul 19, 10:06 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie54 min
Jul 19, 10:21 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Wyoming54 min
Jul 19, 10:33 PM EDTAreal Flood AdvisoryBUFErie, Genesee, Wyoming3 hr
Jul 19, 10:49 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming56 min
Jul 20, 12:46 AM EDTSpecial Marine WarningBUF59 min
Jul 20, 1:18 AM EDTAreal Flood AdvisoryBUFErie, Genesee, Niagara, Orleans3 hr
Jul 20, 1:21 AM EDTSpecial Marine WarningBUF84 min
Jul 20, 2:43 AM EDTSpecial Weather StatementBUFOntario32 min
Jul 20, 3:45 AM EDTSpecial Marine WarningBUF60 min
Jul 20, 4:02 AM EDTSevere Thunderstorm WarningBUFErie43 min
Jul 20, 4:49 AM EDTSmall Craft AdvisoryBUF9 hr

Nearby

Severe Thunderstorm Warnings in New York, 2013Every severe thunderstorm warning in 2013

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.