Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 70, NWS Buffalo, NY

September 10, 2016Genesee County, Monroe County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 8:04 PM EDT for Genesee County, Monroe County, Orleans County, New York. It was in force for 41 min. 2 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: Sep 10, 2016, 8:04 PM EDT (00:04 UTC)
Expired: Sep 10, 2016, 8:45 PM EDT
In force: 41 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), 80 km from the middle of the area, began a volume at 00:08 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

Time	Report	Where	Remark
Sep 10, 8:06 PM EDT	TSTM WND DMG	3 W Kent, NY	TREES AND WIRES DOWN.
Sep 10, 8:18 PM EDT	TSTM WND DMG	Holley, NY	TREES AND WIRES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 10, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.1 hours before the alert went out and 78 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: 852 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1528 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 8.6

Open this sounding in Storm Lab

The text

As transmitted.

635 
WUUS51 KBUF 110004
SVRBUF
NYC037-055-073-110045-
/O.NEW.KBUF.SV.W.0070.160911T0004Z-160911T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
804 PM EDT SAT SEP 10 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GENESEE COUNTY IN WESTERN NEW YORK...
  MONROE COUNTY IN WESTERN NEW YORK...
  EASTERN ORLEANS COUNTY IN WESTERN NEW YORK...

* UNTIL 845 PM EDT.

* AT 803 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR POINT BREEZE TO NEAR OAKFIELD...MOVING NORTHEAST
  AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

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

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 390 NEAR EXIT 12.
 INTERSTATE 90 BETWEEN EXITS 48 AND 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4297 7821 4342 7819 4341 7799 4339 7775
      4328 7754 4332 7739 4308 7740
TIME...MOT...LOC 0003Z 238DEG 37KT 4343 7821 4302 7826 

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

RSH

2 follow-up statements

927 
WWUS51 KBUF 110030
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
830 PM EDT SAT SEP 10 2016

NYC037-073-110040-
/O.CAN.KBUF.SV.W.0070.000000T0000Z-160911T0045Z/
GENESEE NY-ORLEANS NY-
830 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GENESEE AND
EASTERN ORLEANS COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
WESTERN NEW YORK.

LAT...LON 4339 7775 4328 7754 4332 7739 4316 7740
      4314 7798 4341 7799
TIME...MOT...LOC 0030Z 247DEG 35KT 4326 7788 

$$

NYC055-110045-
/O.CON.KBUF.SV.W.0070.000000T0000Z-160911T0045Z/
MONROE NY-
830 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHERN MONROE COUNTY...

AT 830 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BROCKPORT...
MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ROCHESTER...GREECE...IRONDEQUOIT...BROCKPORT...HILTON...WEBSTER...BRIGHTON
AND GATES-NORTH GATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4339 7775 4328 7754 4332 7739 4316 7740
      4314 7798 4341 7799
TIME...MOT...LOC 0030Z 247DEG 35KT 4326 7788 

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

RSH

747 
WWUS51 KBUF 110042
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
842 PM EDT SAT SEP 10 2016

NYC055-110052-
/O.EXP.KBUF.SV.W.0070.000000T0000Z-160911T0045Z/
MONROE NY-
842 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE COUNTY WILL
EXPIRE AT 845 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
WESTERN NEW YORK.

LAT...LON 4339 7775 4328 7754 4332 7739 4316 7740
      4314 7798 4341 7799
TIME...MOT...LOC 0036Z 238DEG 37KT 4326 7788 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 8:14 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	28 min
Sep 10, 8:58 PM EDT	Special Marine Warning	BUF		62 min
Sep 10, 9:04 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	56 min
Sep 10, 9:27 PM EDT	Special Weather Statement	BUF	Genesee, Monroe	48 min
Sep 10, 9:42 PM EDT	Special Marine Warning	BUF		63 min
Sep 10, 11:36 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	24 min
Sep 10, 11:42 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	48 min
Sep 11, 12:23 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	52 min
Sep 11, 1:00 AM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.