Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 30, NWS Buffalo, NY

July 15, 2016Ontario County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 15, 2016, 12:31 PM EDT for Ontario County, Wayne County, New York. It was in force for 21 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
Jul 15, 2016, 12:31 PM EDT (16:31 UTC)
Expired
Jul 15, 2016, 12:52 PM EDT
In force
21 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 124 km from the middle of the area, began a volume at 16:33 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, 4.5 hours before the alert went out and 121 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 2016-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 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 2016-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939587897Sfc1 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
71 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1304 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

886 
WUUS51 KBUF 151631
SVRBUF
NYC069-117-151715-
/O.NEW.KBUF.SV.W.0030.160715T1631Z-160715T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1231 PM EDT FRI JUL 15 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ONTARIO COUNTY IN WESTERN NEW YORK...
  SOUTHWESTERN WAYNE COUNTY IN WESTERN NEW YORK...

* UNTIL 115 PM EDT

* AT 1230 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  VICTOR...OR 7 MILES SOUTHEAST OF FAIRPORT...MOVING EAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  NEWARK...LYONS...PALMYRA...CLIFTON SPRINGS...PHELPS...FARMINGTON...
  MANCHESTER AND MACEDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4295 7741 4312 7732 4315 7696 4289 7697
TIME...MOT...LOC 1630Z 272DEG 21KT 4300 7735 

HAIL...<.75IN
WIND...60MPH
 
$$

CHURCH
1 follow-up statement
267 
WWUS51 KBUF 151652
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1252 PM EDT FRI JUL 15 2016

NYC069-117-151701-
/O.CAN.KBUF.SV.W.0030.000000T0000Z-160715T1715Z/
ONTARIO NY-WAYNE NY-
1252 PM EDT FRI JUL 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ONTARIO AND
SOUTHWESTERN WAYNE COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4295 7741 4312 7732 4315 7696 4289 7697
TIME...MOT...LOC 1650Z 272DEG 21KT 4300 7718 

$$

CHURCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 8:51 PM EDTSpecial Weather StatementBUFOnondaga9 min
Jul 15, 4:05 AM EDTSmall Craft AdvisoryBUF18 hr
Jul 15, 4:20 AM EDTBeach Hazards StatementBUFChautauqua, Erie18 hr
Jul 15, 11:57 AM EDTSpecial Weather StatementBUFOntario48 min
Jul 15, 12:07 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne23 min
Jul 15, 12:55 PM EDTSpecial Weather StatementBUFWayne35 min

Nearby

Severe Thunderstorm Warnings in New York, 2016Every severe thunderstorm warning in 2016

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.