Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 72, NWS Buffalo, NY

September 10, 2016Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 9:04 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 56 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, 9:04 PM EDT (01:04 UTC)
Expired
Sep 10, 2016, 10:00 PM EDT
In force
56 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 91 km from the middle of the area, began a volume at 01:08 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

TimeReportWhereRemark
Sep 10, 9:30 PM EDTTSTM WND DMG2 W Vandalia, NYTREES DOWN
Sep 10, 9:43 PM EDTTSTM WND DMGFranklinville, NYTREE DOWN ACROSS ROAD

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 00:00Z, 1.1 hours before the alert went out and 89 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 2016-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 852 joules per kilogram.LCLEL10008507005003002001001 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 2016-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 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
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.

115 
WUUS51 KBUF 110104
SVRBUF
NYC003-009-110200-
/O.NEW.KBUF.SV.W.0072.160911T0104Z-160911T0200Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  WESTERN ALLEGANY COUNTY IN WESTERN NEW YORK...

* UNTIL 1000 PM EDT.

* AT 904 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SCANDIA...OR
  10 MILES SOUTHWEST OF ALLEGANY STATE PARK...MOVING NORTHEAST AT 60
  MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  OLEAN...SALAMANCA...ALLEGANY STATE PARK...ALLEGANY...FRANKLINVILLE...
  BELFAST...CUBA AND RUSHFORD.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 16 AND 30.
 
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 4200 7902 4216 7903 4251 7807 4200 7805
TIME...MOT...LOC 0104Z 240DEG 52KT 4197 7894 

HAIL...0.88IN
WIND...60MPH
 
$$

RSH
3 follow-up statements
355 
WWUS51 KBUF 110119
SVSBUF

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

NYC003-009-110200-
/O.CON.KBUF.SV.W.0072.000000T0000Z-160911T0200Z/
CATTARAUGUS NY-ALLEGANY NY-
919 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHERN CATTARAUGUS AND WESTERN ALLEGANY COUNTIES...

AT 918 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SALAMANCA...
MOVING NORTHEAST AT 60 MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
OLEAN...SALAMANCA...ALLEGANY STATE PARK...ALLEGANY...FRANKLINVILLE...
BELFAST...CUBA AND RUSHFORD.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 16 AND 30.
 
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 4200 7902 4216 7903 4251 7807 4200 7805
TIME...MOT...LOC 0118Z 235DEG 51KT 4211 7876 

HAIL...0.88IN
WIND...70MPH
 
$$

RSH
462 
WWUS51 KBUF 110136
SVSBUF

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

NYC003-009-110200-
/O.CON.KBUF.SV.W.0072.000000T0000Z-160911T0200Z/
CATTARAUGUS NY-ALLEGANY NY-
936 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHEASTERN CATTARAUGUS AND WESTERN ALLEGANY COUNTIES...

AT 935 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST OF
ASHFORD...OR 11 MILES NORTHEAST OF SALAMANCA...MOVING NORTHEAST AT 60
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...
OLEAN...ALLEGANY STATE PARK...ALLEGANY...FRANKLINVILLE...BELFAST...CUBA...
RUSHFORD AND ST. BONAVENTURE.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 23 AND 30.
 
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 4205 7866 4228 7869 4251 7807 4207 7805
TIME...MOT...LOC 0135Z 235DEG 50KT 4223 7852 

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

RSH
428 
WWUS51 KBUF 110200
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1000 PM EDT SAT SEP 10 2016

NYC003-009-110210-
/O.EXP.KBUF.SV.W.0072.000000T0000Z-160911T0200Z/
CATTARAUGUS NY-ALLEGANY NY-
1000 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CATTARAUGUS AND
WESTERN ALLEGANY COUNTIES HAS EXPIRED...
                
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 ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4205 7866 4228 7869 4251 7807 4207 7805
TIME...MOT...LOC 0159Z 240DEG 52KT 4223 7852 

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 8:04 PM EDTSevere Thunderstorm WarningBUFGenesee, Monroe, Orleans41 min
Sep 10, 8:14 PM EDTSevere Thunderstorm WarningBUFJefferson28 min
Sep 10, 8:58 PM EDTSpecial Marine WarningBUF62 min
Sep 10, 9:27 PM EDTSpecial Weather StatementBUFGenesee, Monroe48 min
Sep 10, 9:42 PM EDTSpecial Marine WarningBUF63 min
Sep 10, 11:36 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis24 min
Sep 10, 11:42 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego48 min
Sep 11, 12:23 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego52 min
Sep 11, 1:00 AM EDTSevere Thunderstorm WarningBUFLewis, Oswego45 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.