Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 37, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2011, 5:00 PM EDT for Jefferson County, Lewis County, New York. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 8, 2011, 5:00 PM EDT (21:00 UTC)
Expired
Jun 8, 2011, 5:46 PM EDT
In force
46 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 61 km from the middle of the area, began a volume at 21:00 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 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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.0 hours before the alert went out and 215 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 12:00Z on 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1108 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, Buffalo Intl Airport, NY at 12:00Z on 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
1108 J/kg
Mixed-layer CIN
-201 J/kg
Mixed-layer LCL
1408 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
193 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.

404 
WUUS51 KBUF 082100
SVRBUF
NYC045-049-082200-
/O.NEW.KBUF.SV.W.0037.110608T2100Z-110608T2200Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 456 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 21 MILES NORTHWEST OF
  STONY POINT...OR 37 MILES WEST OF WATERTOWN...AND MOVING EAST AT 65
  MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  WATERTOWN...
  HENDERSON HARBOR...
  SACKETTS HARBOR...
  ADAMS...
  BARNES CORNERS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4404 7567 4370 7580 4378 7623 4384 7631
      4387 7630 4391 7636 4388 7645 4393 7641
      4388 7629 4391 7622 4387 7621 4390 7614
      4394 7615 4398 7622 4395 7628 4405 7631
      4407 7638 4411 7638 4417 7631
TIME...MOT...LOC 2100Z 287DEG 54KT 4400 7657

$$

HITCHCOCK
2 follow-up statements
575 
WWUS51 KBUF 082127
SVSBUF

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

NYC045-049-082200-
/O.CON.KBUF.SV.W.0037.000000T0000Z-110608T2200Z/
LEWIS NY-JEFFERSON NY-
527 PM EDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHERN JEFFERSON AND WEST CENTRAL LEWIS COUNTIES...

AT 525 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 PERCH RIVER TO SACKETS HARBOR...MOVING EAST AT 60 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WORTH...
  BARNES CORNERS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR CENTRAL NEW YORK.

&&

LAT...LON 4404 7567 4370 7580 4378 7623 4384 7631
      4389 7626 4390 7622 4387 7621 4390 7614
      4394 7615 4398 7622 4396 7627 4403 7619
      4401 7619 4402 7617 4404 7618 4412 7608
TIME...MOT...LOC 2127Z 287DEG 54KT 4408 7576 4391 7602

$$

RSH
333 
WWUS51 KBUF 082146
SVSBUF

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

NYC045-049-082156-
/O.CAN.KBUF.SV.W.0037.000000T0000Z-110608T2200Z/
LEWIS NY-JEFFERSON NY-
546 PM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN JEFFERSON AND WEST
CENTRAL LEWIS COUNTIES IS CANCELLED...

AT 546 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4404 7567 4370 7580 4378 7623 4384 7631
      4389 7626 4390 7622 4387 7621 4390 7614
      4394 7615 4398 7622 4396 7627 4403 7619
      4401 7619 4402 7617 4404 7618 4412 7608
TIME...MOT...LOC 2146Z 287DEG 54KT 4399 7538 4383 7564

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 2:00 AM EDTSpecial Marine WarningBUF64 min
Jun 8, 2:29 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie61 min
Jun 8, 3:22 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua68 min
Jun 8, 4:26 PM EDTSpecial Marine WarningBUF51 min
Jun 8, 4:29 PM EDTSpecial Marine WarningBUF69 min
Jun 8, 4:42 PM EDTSevere Thunderstorm WarningBUFJefferson63 min
Jun 8, 5:15 PM EDTSpecial Weather StatementBUFLewis60 min
Jun 8, 5:39 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis26 min
Jun 8, 7:44 PM EDTSpecial Marine WarningBUF72 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.