Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 63, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 6:38 PM EDT for Erie County, Niagara County, New York. It was in force for 52 min. 4 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, 6:38 PM EDT (22:38 UTC)
Expired
Sep 10, 2016, 7:30 PM EDT
In force
52 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 31 km from the middle of the area, began a volume at 22:38 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

TimeReportWhereRemark
Sep 10, 7:15 PM EDTTSTM WND DMGLockport, NYPOWERPOLE DOWN.
Sep 10, 7:15 PM EDTTSTM WND DMGLockport, NYTREE FELL ONTO HOUSE THEN DOWN ONTO LAWN ON PRENTICE STREET.
Sep 10, 7:23 PM EDTTSTM WND DMG1 Nnw Barker, NYTREE DOWN ON GARAGE IN SOMERSET
Sep 10, 7:27 PM EDTTSTM WND DMGBarker, NYWIRES 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.

IssuedProductOfficeLasted
Sep 10, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.6 hours before the alert went out and 34 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 2016-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 2016-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
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.

133 
WUUS51 KBUF 102238
SVRBUF
NYC029-063-102330-
/O.NEW.KBUF.SV.W.0063.160910T2238Z-160910T2330Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 730 PM EDT.

* AT 636 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES WEST OF
  NIAGARA FALLS...MOVING NORTHEAST AT 45 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  NIAGARA FALLS...NORTH TONAWANDA...LOCKPORT...GRAND ISLAND...
  NEWFANE...LEWISTON...YOUNGSTOWN AND MIDDLEPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS CAPABLE OF
PRODUCING WIDESPREAD WIND DAMAGE ACROSS NIAGARA COUNTY AND GRAND
ISLAND. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS!

&&

LAT...LON 4329 7908 4341 7863 4341 7815 4338 7812
      4337 7846 4335 7847 4318 7846 4300 7902
      4306 7900 4308 7907 4311 7906 4312 7907
      4314 7904 4325 7906
TIME...MOT...LOC 2236Z 243DEG 41KT 4304 7926 

HAIL...<.75IN
WIND...70MPH
 
$$

HIBBERT
2 follow-up statements
938 
WWUS51 KBUF 102300
SVSBUF

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

NYC029-063-102330-
/O.CON.KBUF.SV.W.0063.000000T0000Z-160910T2330Z/
ERIE NY-NIAGARA NY-
700 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN ERIE AND NIAGARA COUNTIES...

AT 659 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SANBORN...OR 7
MILES NORTHEAST OF NIAGARA FALLS...MOVING NORTHEAST AT 50 MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
NIAGARA FALLS...NORTH TONAWANDA...LOCKPORT...GRAND ISLAND...
NEWFANE...LEWISTON...YOUNGSTOWN AND MIDDLEPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS SITUATION. THIS STORM IS CAPABLE OF PRODUCING
WIDESPREAD WIND DAMAGE ACROSS NIAGARA COUNTY. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4329 7908 4340 7864 4341 7815 4338 7812
      4337 7846 4335 7847 4318 7846 4300 7902
      4306 7900 4308 7907 4312 7907 4314 7904
      4325 7906
TIME...MOT...LOC 2259Z 240DEG 42KT 4316 7894 

HAIL...<.75IN
WIND...70MPH
 
$$

HIBBERT
392 
WWUS51 KBUF 102329
SVSBUF

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

NYC029-063-102338-
/O.EXP.KBUF.SV.W.0063.000000T0000Z-160910T2330Z/
ERIE NY-NIAGARA NY-
729 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ERIE AND NIAGARA
COUNTIES WILL EXPIRE AT 730 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 4329 7908 4340 7864 4341 7815 4338 7812
      4337 7846 4335 7847 4318 7846 4300 7902
      4306 7900 4308 7907 4312 7907 4314 7904
      4325 7906
TIME...MOT...LOC 2326Z 243DEG 41KT 4316 7894 

$$

HIBBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 10:18 AM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more39 hr
Sep 10, 5:46 PM EDTSpecial Marine WarningBUF89 min
Sep 10, 5:53 PM EDTSpecial Marine WarningBUF82 min
Sep 10, 6:41 PM EDTSevere Thunderstorm WarningBUFErie, Niagara64 min
Sep 10, 6:56 PM EDTSevere Thunderstorm WarningBUFChautauqua64 min
Sep 10, 7:12 PM EDTSpecial Marine WarningBUF93 min
Sep 10, 7:21 PM EDTSpecial Marine WarningBUF54 min
Sep 10, 7:24 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans51 min
Sep 10, 7:26 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more49 min
Sep 10, 7:32 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie43 min
Sep 10, 7:39 PM EDTSpecial Marine WarningBUF66 min
Sep 10, 7:59 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.