Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 32, NWS Buffalo, NY

July 18, 2016Genesee County, Monroe County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 18, 2016, 5:15 AM EDT for Genesee County, Monroe County, Orleans County, New York. It was in force for 43 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, 5:15 AM EDT (09:15 UTC)
Expired: Jul 18, 2016, 5:58 AM EDT
In force: 43 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Genesee County, NY, Monroe County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 74 km from the middle of the area, began a volume at 09:16 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, 9.3 hours before the alert went out and 72 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

138 
WUUS51 KBUF 180915
SVRBUF
NYC037-055-073-181015-
/O.NEW.KBUF.SV.W.0032.160718T0915Z-160718T1015Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GENESEE COUNTY IN WESTERN NEW YORK...
  MONROE COUNTY IN WESTERN NEW YORK...
  SOUTHERN ORLEANS COUNTY IN WESTERN NEW YORK...

* UNTIL 615 AM EDT

* AT 515 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  OAKFIELD...OR NEAR ALBION...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  ROCHESTER...GREECE...IRONDEQUOIT...CHILI...BROCKPORT...
  EAST ROCHESTER...MEDINA AND ALBION.

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 THIS STORM. 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 4322 7842 4336 7770 4328 7754 4332 7739
      4305 7740 4303 7842
TIME...MOT...LOC 0915Z 262DEG 42KT 4315 7821 

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

RSH

2 follow-up statements

373 
WWUS51 KBUF 180941
SVSBUF

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

NYC073-180950-
/O.CAN.KBUF.SV.W.0032.000000T0000Z-160718T1015Z/
ORLEANS NY-
541 AM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ORLEANS COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE...THE WARNING FOR SOUTHERN ORLEANS
COUNTY HAS BEEN CANCELLED.

LAT...LON 4306 7798 4331 7798 4336 7770 4328 7754
      4332 7739 4305 7740
TIME...MOT...LOC 0940Z 264DEG 42KT 4317 7780 

$$

NYC037-055-181015-
/O.CON.KBUF.SV.W.0032.000000T0000Z-160718T1015Z/
GENESEE NY-MONROE NY-
541 AM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM EDT
FOR NORTHEASTERN GENESEE AND MONROE COUNTIES...

AT 540 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
SPENCERPORT...OR NEAR CHILI...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ROCHESTER...GREECE...IRONDEQUOIT...CHILI...BROCKPORT...
EAST ROCHESTER...HILTON AND WEBSTER.

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 THIS STORM.
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 4306 7798 4331 7798 4336 7770 4328 7754
      4332 7739 4305 7740
TIME...MOT...LOC 0940Z 264DEG 42KT 4317 7780 

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

RSH

613 
WWUS51 KBUF 180958
SVSBUF

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

NYC037-055-181008-
/O.CAN.KBUF.SV.W.0032.000000T0000Z-160718T1015Z/
GENESEE NY-MONROE NY-
558 AM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GENESEE AND
MONROE 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.

LAT...LON 4306 7798 4331 7798 4336 7770 4328 7754
      4332 7739 4305 7740
TIME...MOT...LOC 0951Z 262DEG 42KT 4320 7750 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 4:16 AM EDT	Special Marine Warning	BUF		59 min
Jul 18, 4:20 AM EDT	Beach Hazards Statement	BUF	Cayuga, Chautauqua, Erie, Jefferson, Oswego, Wayne	18 hr
Jul 18, 5:10 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Livingston, Wyoming	53 min
Jul 18, 9:58 AM EDT	Special Weather Statement	BUF	Allegany	32 min
Jul 18, 10:07 AM EDT	Special Weather Statement	BUF	Yates	23 min
Jul 18, 10:48 AM EDT	Special Marine Warning	BUF		27 min
Jul 18, 11:03 AM EDT	Special Marine Warning	BUF		87 min
Jul 18, 11:12 AM EDT	Special Weather Statement	BUF	Ontario	33 min
Jul 18, 11:51 AM EDT	Special Weather Statement	BUF	Genesee	39 min
Jul 18, 12:05 PM EDT	Special Marine Warning	BUF		40 min
Jul 18, 12:12 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	63 min
Jul 18, 1:00 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Wayne	60 min
Jul 18, 2:24 PM EDT	Special Weather Statement	BUF	Jefferson	36 min
Jul 18, 2:44 PM EDT	Special Weather Statement	BUF	Monroe	31 min

Nearby

Severe Thunderstorm Warnings in New York, 2016 Every 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.