Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 64, NWS Buffalo, NY

August 1, 2014Ontario County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 1, 2014, 6:56 PM EDT for Ontario County, Wayne County, New York. It was in force for 64 min. 3 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
Aug 1, 2014, 6:56 PM EDT (22:56 UTC)
Expired
Aug 1, 2014, 8:00 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 134 km from the middle of the area, began a volume at 22:58 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
Aug 1, 7:32 PM EDTHAIL 0.75Newark, NYCOVERED THE GROUND.
Aug 1, 7:33 PM EDTTSTM WND DMGNewark, NYMULTIPLE TREES AND WIRES DOWN.
Aug 1, 7:40 PM EDTTSTM WND DMGNewark, NYTREE ON HOUSE ON MAIN STREET.

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, 10.9 hours before the alert went out and 131 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 2014-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 2014-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 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
51 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
125 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.

062 
WUUS51 KBUF 012256
SVRBUF
NYC069-117-020000-
/O.NEW.KBUF.SV.W.0064.140801T2256Z-140802T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
656 PM EDT FRI AUG 1 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL ONTARIO COUNTY IN WESTERN NEW YORK
  WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 800 PM EDT

* AT 654 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
  PALMYRA...OR 10 MILES NORTHEAST OF CANANDAIGUA...AND MOVING
  NORTHEAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  NEWARK...
  LYONS...
  MARION...

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 4329 7715 4307 7672 4298 7719 4305 7734
TIME...MOT...LOC 2256Z 235DEG 14KT 4302 7718

$$

RSH
2 follow-up statements
650 
WWUS51 KBUF 012343
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
743 PM EDT FRI AUG 1 2014

NYC069-012353-
/O.CAN.KBUF.SV.W.0064.000000T0000Z-140802T0000Z/
ONTARIO NY-
743 PM EDT FRI AUG 1 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ONTARIO COUNTY
IS CANCELLED...

LAT...LON 4315 7726 4329 7715 4307 7672 4302 7695
      4301 7701 4301 7710
TIME...MOT...LOC 2343Z 236DEG 11KT 4306 7704

$$

NYC117-020000-
/O.CON.KBUF.SV.W.0064.000000T0000Z-140802T0000Z/
WAYNE NY-
743 PM EDT FRI AUG 1 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR WAYNE COUNTY...

AT 733 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 NEWARK...MOVING NORTHEAST AT 15 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  LYONS...
  FAIRVILLE...
  SODUS CENTER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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 4315 7726 4329 7715 4307 7672 4302 7695
      4301 7701 4301 7710
TIME...MOT...LOC 2343Z 236DEG 11KT 4306 7704

$$

RSH
884 
WWUS51 KBUF 020005
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
805 PM EDT FRI AUG 1 2014

NYC117-020014-
/O.EXP.KBUF.SV.W.0064.000000T0000Z-140802T0000Z/
WAYNE NY-
805 PM EDT FRI AUG 1 2014

...THE SEVERE THUNDERSTORM WARNING FOR WAYNE COUNTY HAS EXPIRED...

RADAR INDICATED THAT WHILE THE STORMS RESPONSIBLE FOR THE DAMAGE 
HAVE EITHER WEAKENED OR MOVED OFFSHORE...ADDITIONAL STORMS COULD 
STILL PRODUCE HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS THROUGH 9 
PM. 

LAT...LON 4315 7726 4329 7715 4307 7672 4302 7695
      4301 7701 4301 7710
TIME...MOT...LOC 2343Z 236DEG 11KT 4306 7704

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 4:53 PM EDTSpecial Weather StatementBUFLivingston37 min
Aug 1, 5:13 PM EDTSpecial Weather StatementBUFMonroe47 min
Aug 1, 5:28 PM EDTSevere Thunderstorm WarningBUFMonroe, Wayne40 min
Aug 1, 5:34 PM EDTSpecial Marine WarningBUF56 min
Aug 1, 5:43 PM EDTSevere Thunderstorm WarningBUFMonroe47 min
Aug 1, 6:18 PM EDTSpecial Marine WarningBUF57 min
Aug 1, 6:49 PM EDTSpecial Weather StatementBUFMonroe26 min
Aug 1, 7:52 PM EDTSpecial Marine WarningBUF83 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.