Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 35, NWS Buffalo, NY

June 8, 2011Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2011, 3:22 AM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 68 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, 3:22 AM EDT (07:22 UTC)
Expired
Jun 8, 2011, 4:30 AM EDT
In force
68 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 91 km from the middle of the area, began a volume at 07:24 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, 1:51 AM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 7.4 hours before the alert went out and 89 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 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 604 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 00:00Z on 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
604 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

302 
WUUS51 KBUF 080722
SVRBUF
NYC009-013-080830-
/O.NEW.KBUF.SV.W.0035.110608T0722Z-110608T0830Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
  SOUTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 430 AM EDT

* AT 320 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 20
  MILES NORTHWEST OF SALAMANCA...OR 16 MILES NORTHEAST OF
  JAMESTOWN...AND MOVING SOUTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  RANDOLPH...
  CONEWANGO...
  SALAMANCA...
  ALLEGANY PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4199 7904 4228 7932 4243 7901 4212 7831
      4199 7831
TIME...MOT...LOC 0721Z 322DEG 34KT 4229 7906

$$

HITCHCOCK
2 follow-up statements
269 
WWUS51 KBUF 080755
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
355 AM EDT WED JUN 8 2011

NYC013-080805-
/O.CAN.KBUF.SV.W.0035.000000T0000Z-110608T0830Z/
CHAUTAUQUA NY-
355 AM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHAUTAUQUA COUNTY
IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4199 7904 4227 7905 4212 7831 4199 7831
TIME...MOT...LOC 0755Z 322DEG 34KT 4206 7893

$$

NYC009-080830-
/O.CON.KBUF.SV.W.0035.000000T0000Z-110608T0830Z/
CATTARAUGUS NY-
355 AM EDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EDT
FOR SOUTHERN CATTARAUGUS COUNTY...

AT 347 AM 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 RANDOLPH...OR 13 MILES EAST OF JAMESTOWN...MOVING
SOUTHEAST AT 40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  RURAL SOUTHERN CATTARAUGUS COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4199 7904 4227 7905 4212 7831 4199 7831
TIME...MOT...LOC 0755Z 322DEG 34KT 4206 7893

$$

RSH
614 
WWUS51 KBUF 080825
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
425 AM EDT WED JUN 8 2011

NYC009-080835-
/O.EXP.KBUF.SV.W.0035.000000T0000Z-110608T0830Z/
CATTARAUGUS NY-
425 AM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CATTARAUGUS COUNTY
WILL EXPIRE AT 430 AM EDT...

AT 425 AM 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.

LAT...LON 4199 7904 4227 7905 4212 7831 4199 7831
TIME...MOT...LOC 0825Z 322DEG 34KT 4184 7870

$$

TMA

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, 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, 5:00 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis46 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.