Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 65, NWS Buffalo, NY

August 2, 2014Erie County, Genesee County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 2, 2014, 5:53 PM EDT for Erie County, Genesee County, Wyoming County, New York. It was in force for 28 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
Aug 2, 2014, 5:53 PM EDT (21:53 UTC)
Expired
Aug 2, 2014, 6:21 PM EDT
In force
28 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Erie County, NY, Genesee County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 12 km from the middle of the area, began a volume at 21:55 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.9 hours before the alert went out and 8 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 2014-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 2014-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
82 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
49 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.

302 
WUUS51 KBUF 022153
SVRBUF
NYC029-037-121-022300-
/O.NEW.KBUF.SV.W.0065.140802T2153Z-140802T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
553 PM EDT SAT AUG 2 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ERIE COUNTY IN WESTERN NEW YORK
  SOUTHWESTERN GENESEE COUNTY IN WESTERN NEW YORK
  NORTHWESTERN WYOMING COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 52.

* UNTIL 700 PM EDT

* AT 552 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 NEAR
  WALES CENTER...OR NEAR EAST AURORA...AND MOVING NORTH AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  MARILLA...
  ELMA...
  ALDEN...
  HARRIS HILL...

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 4298 7885 4309 7844 4271 7841 4265 7859
TIME...MOT...LOC 2154Z 167DEG 18KT 4278 7853

$$

RSH
1 follow-up statement
363 
WWUS51 KBUF 022221
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
621 PM EDT SAT AUG 2 2014

NYC029-037-121-022231-
/O.CAN.KBUF.SV.W.0065.000000T0000Z-140802T2300Z/
GENESEE NY-WYOMING NY-ERIE NY-
621 PM EDT SAT AUG 2 2014

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 52.

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE...
NORTHWESTERN WYOMING AND SOUTHWESTERN GENESEE COUNTIES IS
CANCELLED...

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

LAT...LON 4298 7885 4309 7844 4271 7841 4265 7859
TIME...MOT...LOC 2221Z 167DEG 18KT 4291 7857

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:01 PM EDTAreal Flood WarningBUFWayne3 hr
Aug 1, 8:49 PM EDTAreal Flood AdvisoryBUFMonroe3 hr
Aug 1, 8:50 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus55 min
Aug 1, 9:18 PM EDTSpecial Weather StatementBUFWayne27 min
Aug 1, 9:34 PM EDTFlash Flood WarningBUFWayne3 hr
Aug 1, 9:47 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus58 min
Aug 1, 9:54 PM EDTSpecial Weather StatementBUFCayuga36 min
Aug 1, 10:07 PM EDTFlash Flood WarningBUFCattaraugus3 hr
Aug 1, 11:04 PM EDTSpecial Weather StatementBUFCattaraugus56 min
Aug 2, 12:32 AM EDTSpecial Weather StatementBUFChautauqua58 min
Aug 2, 1:45 AM EDTAreal Flood AdvisoryBUFChautauqua3 hr
Aug 2, 12:29 PM EDTSpecial Weather StatementBUFLewis31 min
Aug 2, 1:28 PM EDTSpecial Weather StatementBUFLewis62 min
Aug 2, 2:15 PM EDTFlash Flood WatchBUFCattaraugus, Chautauqua, Erie, Wyoming9 hr
Aug 2, 4:22 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Chautauqua, Erie, Wyoming83 min
Aug 2, 4:41 PM EDTSpecial Weather StatementBUFOswego64 min
Aug 2, 4:51 PM EDTSpecial Marine WarningBUF54 min
Aug 2, 4:58 PM EDTSpecial Marine WarningBUF92 min
Aug 2, 5:12 PM EDTFlash Flood WarningBUFLivingston, Monroe, Ontario, Wayne, Wyoming4 hr
Aug 2, 5:19 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua, Erie4 hr
Aug 2, 5:34 PM EDTSpecial Marine WarningBUF56 min
Aug 2, 5:48 PM EDTSpecial Marine WarningBUF87 min
Aug 2, 6:50 PM EDTSpecial Weather StatementBUFGenesee55 min

Nearby

Severe Thunderstorm Warnings in New York, 2014Every severe thunderstorm warning in 2014

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.