Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 31, NWS Buffalo, NY

July 18, 2016Erie County, Livingston County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 18, 2016, 5:10 AM EDT for Erie County, Livingston County, Wyoming County, New York. It was in force for 53 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 18, 2016, 5:10 AM EDT (09:10 UTC)
Expired
Jul 18, 2016, 6:03 AM EDT
In force
53 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Erie County, NY, Livingston County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 09:10 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 00:00Z, 9.2 hours before the alert went out and 51 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 2016-07-18Temperature 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 00:00Z on 2016-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2012 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

027 
WUUS51 KBUF 180910
SVRBUF
NYC029-051-121-181015-
/O.NEW.KBUF.SV.W.0031.160718T0910Z-160718T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
510 AM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ERIE COUNTY IN WESTERN NEW YORK...
  CENTRAL LIVINGSTON COUNTY IN WESTERN NEW YORK...
  WYOMING COUNTY IN WESTERN NEW YORK...

* UNTIL 615 AM EDT

* AT 509 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR BENNINGTON TO NEAR EAST CONCORD...MOVING EAST
  AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  GENESEO...DANSVILLE...LETCHWORTH STATE PARK...PERRY...WARSAW...
  BENNINGTON...MOUNT MORRIS AND ATTICA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4286 7845 4287 7808 4286 7796 4287 7795
      4288 7764 4255 7768 4253 7862
TIME...MOT...LOC 0909Z 262DEG 48KT 4281 7844 4257 7861 

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

RSH
2 follow-up statements
702 
WWUS51 KBUF 180937
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
537 AM EDT MON JUL 18 2016

NYC029-180947-
/O.CAN.KBUF.SV.W.0031.000000T0000Z-160718T1015Z/
ERIE NY-
537 AM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE...THE WARNING FOR SOUTHEASTERN ERIE COUNTY HAS BEEN
CANCELLED.

LAT...LON 4285 7823 4287 7808 4286 7796 4287 7795
      4288 7764 4255 7768 4257 7835
TIME...MOT...LOC 0937Z 264DEG 40KT 4281 7817 4257 7832 

$$

NYC051-121-181015-
/O.CON.KBUF.SV.W.0031.000000T0000Z-160718T1015Z/
LIVINGSTON NY-WYOMING NY-
537 AM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM EDT
FOR CENTRAL LIVINGSTON AND EASTERN WYOMING COUNTIES...

AT 537 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WARSAW TO 6 MILES NORTHEAST OF ARCADE...MOVING
EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
GENESEO...DANSVILLE...LETCHWORTH STATE PARK...PERRY...WARSAW...MOUNT
MORRIS...CONESUS AND PORTAGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4285 7823 4287 7808 4286 7796 4287 7795
      4288 7764 4255 7768 4257 7835
TIME...MOT...LOC 0937Z 264DEG 40KT 4281 7817 4257 7832 

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

RSH
469 
WWUS51 KBUF 181003
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
603 AM EDT MON JUL 18 2016

NYC051-121-181013-
/O.CAN.KBUF.SV.W.0031.000000T0000Z-160718T1015Z/
LIVINGSTON NY-WYOMING NY-
603 AM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LIVINGSTON AND EASTERN
WYOMING COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4285 7823 4287 7808 4286 7796 4287 7795
      4288 7764 4255 7768 4257 7835
TIME...MOT...LOC 0956Z 262DEG 48KT 4285 7782 4261 7797 

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 4:16 AM EDTSpecial Marine WarningBUF59 min
Jul 18, 4:20 AM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Oswego, Wayne18 hr
Jul 18, 5:15 AM EDTSevere Thunderstorm WarningBUFGenesee, Monroe, Orleans43 min
Jul 18, 9:58 AM EDTSpecial Weather StatementBUFAllegany32 min
Jul 18, 10:07 AM EDTSpecial Weather StatementBUFYates23 min
Jul 18, 10:48 AM EDTSpecial Marine WarningBUF27 min
Jul 18, 11:03 AM EDTSpecial Marine WarningBUF87 min
Jul 18, 11:12 AM EDTSpecial Weather StatementBUFOntario33 min
Jul 18, 11:51 AM EDTSpecial Weather StatementBUFGenesee39 min
Jul 18, 12:05 PM EDTSpecial Marine WarningBUF40 min
Jul 18, 12:12 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne63 min
Jul 18, 1:00 PM EDTSevere Thunderstorm WarningBUFMonroe, Wayne60 min
Jul 18, 2:24 PM EDTSpecial Weather StatementBUFJefferson36 min
Jul 18, 2:44 PM EDTSpecial Weather StatementBUFMonroe31 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.