Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 41, NWS Buffalo, NY

June 8, 2011Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2011, 9:32 PM EDT for Lewis County, Oswego County, New York. It was in force for 43 min. 1 report 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
Jun 8, 2011, 9:32 PM EDT (01:32 UTC)
Expired
Jun 8, 2011, 10:15 PM EDT
In force
43 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 29 km from the middle of the area, began a volume at 01:34 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
Jun 8, 9:55 PM EDTTSTM WND DMG1 E Port Leyden, 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
Jun 8, 4:15 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 8, 8:57 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.5 hours before the alert went out and 177 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 2011-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3772 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 2011-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
3772 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
1.2
Supercell composite
10.5

Open this sounding in Storm Lab

The text

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

445 
WUUS51 KBUF 090132
SVRBUF
NYC049-075-090215-
/O.NEW.KBUF.SV.W.0041.110609T0132Z-110609T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
932 PM EDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LEWIS COUNTY IN CENTRAL NEW YORK
  NORTHEASTERN OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 1015 PM EDT

* AT 929 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 15 MILES NORTHWEST OF HIGHMARKET TO 14 MILES WEST OF          
  REDFIELD...AND MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  HIGHMARKET...
  REDFIELD...
  WILLIAMSTOWN...
  OSCEOLA...
  PORT LEYDEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THESE STORMS WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4342 7553 4348 7581 4336 7587 4348 7621
      4370 7591 4359 7516
TIME...MOT...LOC 0131Z 291DEG 49KT 4375 7568 4346 7606

$$

HITCHCOCK
2 follow-up statements
027 
WWUS51 KBUF 090153
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
953 PM EDT WED JUN 8 2011

NYC075-090201-
/O.CAN.KBUF.SV.W.0041.000000T0000Z-110609T0215Z/
OSWEGO NY-
953 PM EDT WED JUN 8 2011

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
THURSDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4342 7553 4347 7575 4348 7576 4358 7577
      4366 7573 4359 7517 4358 7517
TIME...MOT...LOC 0151Z 291DEG 49KT 4365 7533 4336 7571

$$

NYC049-090215-
/O.CON.KBUF.SV.W.0041.000000T0000Z-110609T0215Z/
LEWIS NY-
953 PM EDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHERN LEWIS COUNTY...

AT 947 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 LYONS FALLS TO 9 MILES SOUTH OF OSCEOLA...OR ALONG A
LINE EXTENDING FROM 13 MILES NORTH OF BOONVILLE TO CAMDEN...MOVING
EAST AT 55 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WEST TURIN...
  LEYDEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

WIND DAMAGE WITH THESE STORMS WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT 
THURSDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4342 7553 4347 7575 4348 7576 4358 7577
      4366 7573 4359 7517 4358 7517
TIME...MOT...LOC 0151Z 291DEG 49KT 4365 7533 4336 7571

$$

ZAFF
589 
WWUS51 KBUF 090210
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1010 PM EDT WED JUN 8 2011

NYC049-090220-
/O.EXP.KBUF.SV.W.0041.000000T0000Z-110609T0215Z/
LEWIS NY-
1010 PM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LEWIS COUNTY WILL
EXPIRE AT 1015 PM EDT...

AT 1010 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 100 AM EDT
THURSDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4342 7553 4347 7575 4348 7576 4358 7577
      4366 7573 4359 7517 4358 7517
TIME...MOT...LOC 0210Z 291DEG 49KT 4355 7500 4326 7538

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:39 PM EDTSpecial Marine WarningBUF64 min
Jun 8, 8:43 PM EDTSpecial Marine WarningBUF62 min
Jun 8, 8:53 PM EDTSevere Thunderstorm WarningBUFJefferson52 min
Jun 8, 9:13 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis62 min
Jun 8, 10:10 PM EDTSevere Thunderstorm WarningBUFWayne17 min
Jun 8, 10:52 PM EDTSevere Thunderstorm WarningBUFOntario25 min
Jun 9, 3:59 PM EDTSpecial Marine WarningBUF61 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.