Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 45, NWS Buffalo, NY

June 16, 2011Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 16, 2011, 6:26 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 48 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 16, 2011, 6:26 PM EDT (22:26 UTC)
Expired
Jun 16, 2011, 7:14 PM EDT
In force
48 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 104 km from the middle of the area, began a volume at 22:26 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 16, 6:45 PM EDTTSTM WND DMGJamestown, NYTREE DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.4 hours before the alert went out and 103 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 2011-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2147 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
-79 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.

115 
WUUS51 KBUF 162226
SVRBUF
NYC009-013-162330-
/O.NEW.KBUF.SV.W.0045.110616T2226Z-110616T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
626 PM EDT THU JUN 16 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 730 PM EDT

* AT 621 PM 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 7 MILES
  SOUTH OF JAMESTOWN WEST...OR 8 MILES SOUTHWEST OF JAMESTOWN...AND
  MOVING NORTHEAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  JAMESTOWN WEST...
  JAMESTOWN...
  FREWSBURG...
  FALCONER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 
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 4200 7922 4199 7942 4203 7945 4233 7896
      4211 7876 4199 7906
TIME...MOT...LOC 2226Z 235DEG 15KT 4201 7928

$$

TJP
3 follow-up statements
506 
WWUS51 KBUF 162249
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
649 PM EDT THU JUN 16 2011

NYC009-013-162330-
/O.CON.KBUF.SV.W.0045.000000T0000Z-110616T2330Z/
CATTARAUGUS NY-CHAUTAUQUA NY-
649 PM EDT THU JUN 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHEASTERN CHAUTAUQUA AND SOUTHWESTERN CATTARAUGUS COUNTIES...

AT 644 PM 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 FREWSBURG...OR NEAR JAMESTOWN...MOVING NORTHEAST AT 15
MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  FALCONER...
  RANDOLPH...

LAT...LON 4200 7913 4202 7919 4208 7924 4211 7931
      4233 7896 4211 7876
TIME...MOT...LOC 2249Z 235DEG 15KT 4206 7917

$$

TJP
886 
WWUS51 KBUF 162307
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
707 PM EDT THU JUN 16 2011

NYC009-013-162330-
/O.CON.KBUF.SV.W.0045.000000T0000Z-110616T2330Z/
CATTARAUGUS NY-CHAUTAUQUA NY-
707 PM EDT THU JUN 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR EAST CENTRAL CHAUTAUQUA AND WEST CENTRAL CATTARAUGUS COUNTIES...

AT 702 PM 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 ELLINGTON...OR 12 MILES NORTHEAST OF JAMESTOWN...MOVING 
NORTHEAST AT 20 MPH.

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

LAT...LON 4215 7909 4221 7914 4233 7896 4225 7889
TIME...MOT...LOC 2306Z 234DEG 15KT 4223 7905

$$

TJP
253 
WWUS51 KBUF 162314
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
714 PM EDT THU JUN 16 2011

NYC009-013-162324-
/O.CAN.KBUF.SV.W.0045.000000T0000Z-110616T2330Z/
CATTARAUGUS NY-CHAUTAUQUA NY-
714 PM EDT THU JUN 16 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHAUTAUQUA AND
WEST CENTRAL CATTARAUGUS COUNTIES IS CANCELLED...

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

LAT...LON 4215 7909 4221 7914 4233 7896 4225 7889
TIME...MOT...LOC 2314Z 234DEG 15KT 4225 7901

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:20 PM EDTSpecial Weather StatementBUFChautauqua55 min
Jun 16, 7:34 PM EDTSpecial Weather StatementBUFErie56 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.