Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 40, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2011, 9:13 PM EDT for Jefferson County, Lewis County, New York. It was in force for 62 min. 7 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
Jun 8, 2011, 9:13 PM EDT (01:13 UTC)
Expired
Jun 8, 2011, 10:15 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 17 km from the middle of the area, began a volume at 01:16 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, 9:28 PM EDTTSTM WND DMGDenmark, NYTREES AND LINES DOWN
Jun 8, 9:33 PM EDTTSTM WND DMGMartinsburg, NYTREES AND LINES DOWN
Jun 8, 9:35 PM EDTTSTM WND DMGBeaver Falls, NYTREES AND LINES DOWN
Jun 8, 9:36 PM EDTTSTM WND DMGCroghan, NYTREES AND LINES DOWN
Jun 8, 9:36 PM EDTTSTM WND DMGLowville, NYTREES AND LINES DOWN
Jun 8, 9:43 PM EDTTSTM WND DMGWatson, NYTREES AND LINES DOWN
Jun 8, 9:50 PM EDTTSTM WND DMGLyonsdale, NYTREES AND LINES 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, 1.2 hours before the alert went out and 180 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.

446 
WUUS51 KBUF 090113
SVRBUF
NYC045-049-090215-
/O.NEW.KBUF.SV.W.0040.110609T0113Z-110609T0215Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JEFFERSON COUNTY IN CENTRAL NEW YORK
  LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 1015 PM EDT

* AT 910 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 26 MILES NORTH OF CARTHAGE TO 22 MILES WEST OF      
  BARNES CORNERS...AND MOVING EAST AT 70 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  BARNES CORNERS...
  WEST CARTHAGE...
  CARTHAGE...
  INDIAN RIVER...
  BEAVER FALLS...
  LOWVILLE...
  CROGHAN...
  NATURAL BRIDGE...
  HARRISVILLE...

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.

&&

LAT...LON 4357 7519 4367 7577 4369 7577 4370 7592
      4431 7565 4410 7516 4362 7510
TIME...MOT...LOC 0113Z 274DEG 60KT 4434 7573 4376 7617

$$

HITCHCOCK
2 follow-up statements
387 
WWUS51 KBUF 090141
SVSBUF

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

NYC045-049-090215-
/O.CON.KBUF.SV.W.0040.000000T0000Z-110609T0215Z/
LEWIS NY-JEFFERSON NY-
941 PM EDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHEASTERN JEFFERSON AND LEWIS COUNTIES...

AT 938 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 7 MILES SOUTHEAST OF HARRISVILLE TO 8 
MILES SOUTHWEST OF MARTINSBURG...MOVING EAST AT 70 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  LYONS FALLS...
  BRANTINGHAM LAKE...
  WATSON...
  GRIEG...
  NEW BREMEN...

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.

&&

LAT...LON 4357 7519 4368 7577 4369 7577 4370 7588
      4423 7547 4410 7516 4362 7510
TIME...MOT...LOC 0141Z 274DEG 60KT 4410 7512 4365 7551

$$

HITCHCOCK
488 
WWUS51 KBUF 090211
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1011 PM EDT WED JUN 8 2011

NYC045-049-090221-
/O.EXP.KBUF.SV.W.0040.000000T0000Z-110609T0215Z/
LEWIS NY-JEFFERSON NY-
1011 PM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON AND
LEWIS COUNTIES WILL EXPIRE AT 1015 PM EDT...

AT 1011 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM WITH THE POSSIBLE TORNADO 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 4357 7519 4368 7577 4369 7577 4370 7588
      4423 7547 4410 7516 4362 7510
TIME...MOT...LOC 0211Z 274DEG 60KT 4406 7442 4361 7482

$$

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, 9:32 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego43 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.