Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 64, NWS Buffalo, NY

September 10, 2016Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 6:41 PM EDT for Erie County, Niagara County, New York. It was in force for 64 min. 6 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, 6:41 PM EDT (22:41 UTC)
Expired: Sep 10, 2016, 7:45 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 19 km from the middle of the area, began a volume at 22:44 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, 7:10 PM EDT	TSTM WND DMG	Lackawanna, NY	LIGHT POLE DOWN.
Sep 10, 7:13 PM EDT	MARINE TSTM WIND 43	Buffalo, NY
Sep 10, 7:14 PM EDT	TSTM WND DMG	2 Nne Lackawanna, NY	TREE AND POWERLINES DOWN ON MARIEMONT AVE BLOCKING ROADWAY.
Sep 10, 7:27 PM EDT	TSTM WND DMG	Clarence, NY	TREE AND WIRES DOWN.
Sep 10, 7:34 PM EDT	TSTM WND DMG	1 W Akron, NY	TREES DOWN.
Sep 10, 7:37 PM EDT	TSTM WND DMG	Akron, NY	TREES 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 12:00Z, 10.7 hours before the alert went out and 21 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: 65 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

682 
WUUS51 KBUF 102241
SVRBUF
NYC029-063-102345-
/O.NEW.KBUF.SV.W.0064.160910T2241Z-160910T2345Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ERIE COUNTY IN WESTERN NEW YORK...
  SOUTHEASTERN NIAGARA COUNTY IN WESTERN NEW YORK...

* UNTIL 745 PM EDT.

* AT 641 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 12 MILES NORTH OF
  DUNKIRK...MOVING NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  BUFFALO...CHEEKTOWAGA...WEST SENECA...NORTH TONAWANDA...CLARENCE...
  LACKAWANNA...KENMORE AND DEPEW.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 57 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
TORNADOES. MOVE QUICKLY TO A SAFE SHELTER SUCH AS AN INTERIOR ROOM...A
BATHROOM...CLOSET OR BASEMENT.

&&

LAT...LON 4267 7912 4273 7908 4276 7898 4280 7892
      4284 7893 4289 7891 4293 7891 4296 7893
      4296 7896 4298 7901 4301 7902 4319 7846
      4282 7850 4263 7916
TIME...MOT...LOC 2241Z 245DEG 40KT 4267 7937 

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

RSH

3 follow-up statements

857 
WWUS51 KBUF 102303
SVSBUF

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

NYC029-063-102345-
/O.CON.KBUF.SV.W.0064.000000T0000Z-160910T2345Z/
ERIE NY-NIAGARA NY-
703 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHERN ERIE AND SOUTHEASTERN NIAGARA COUNTIES...

AT 703 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES WEST OF 
LACKAWANNA...MOVING NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
BUFFALO...CHEEKTOWAGA...WEST SENECA...NORTH TONAWANDA...CLARENCE...
LACKAWANNA...KENMORE AND DEPEW.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 57 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN INTERIOR ROOM...
A BATHROOM OR CLOSET OR BASEMENT.

&&

LAT...LON 4267 7912 4273 7908 4276 7898 4280 7892
      4284 7893 4289 7891 4293 7891 4296 7893
      4296 7896 4298 7901 4301 7902 4319 7846
      4282 7850 4263 7916
TIME...MOT...LOC 2303Z 244DEG 49KT 4279 7901 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

RSH

901 
WWUS51 KBUF 102321
SVSBUF

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

NYC029-063-102345-
/O.CON.KBUF.SV.W.0064.000000T0000Z-160910T2345Z/
ERIE NY-NIAGARA NY-
721 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHERN ERIE AND SOUTHEASTERN NIAGARA COUNTIES...

AT 721 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LANCASTER...
MOVING NORTHEAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
BUFFALO...CHEEKTOWAGA...WEST SENECA...NORTH TONAWANDA...CLARENCE...
LACKAWANNA...KENMORE AND DEPEW.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 57 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN INTERIOR ROOM...
A BATHROOM OR CLOSET OR BASEMENT.

&&

LAT...LON 4267 7912 4273 7908 4276 7898 4280 7892
      4284 7893 4289 7891 4293 7891 4296 7893
      4296 7896 4298 7901 4301 7902 4319 7846
      4282 7850 4263 7916
TIME...MOT...LOC 2321Z 243DEG 45KT 4292 7867 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

RSH

477 
WWUS51 KBUF 102340
SVSBUF

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

NYC029-063-102350-
/O.EXP.KBUF.SV.W.0064.000000T0000Z-160910T2345Z/
ERIE NY-NIAGARA NY-
740 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ERIE AND SOUTHEASTERN
NIAGARA COUNTIES WILL EXPIRE AT 745 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 4267 7912 4273 7908 4276 7898 4280 7892
      4284 7893 4289 7891 4293 7891 4296 7893
      4296 7896 4298 7901 4301 7902 4319 7846
      4282 7850 4263 7916
TIME...MOT...LOC 2332Z 245DEG 40KT 4292 7867 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 10:18 AM EDT	Beach Hazards Statement	BUF	Cayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more	39 hr
Sep 10, 5:46 PM EDT	Special Marine Warning	BUF		89 min
Sep 10, 5:53 PM EDT	Special Marine Warning	BUF		82 min
Sep 10, 6:38 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	52 min
Sep 10, 6:56 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	64 min
Sep 10, 7:12 PM EDT	Special Marine Warning	BUF		93 min
Sep 10, 7:21 PM EDT	Special Marine Warning	BUF		54 min
Sep 10, 7:24 PM EDT	Severe Thunderstorm Warning	BUF	Niagara, Orleans	51 min
Sep 10, 7:26 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more	49 min
Sep 10, 7:32 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	43 min
Sep 10, 7:39 PM EDT	Special Marine Warning	BUF		66 min
Sep 10, 7:59 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	61 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.