Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 62, NWS Buffalo, NY

September 8, 2016Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 8, 2016, 3:56 PM EDT for Chautauqua County, New York. It was in force for 64 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
Sep 8, 2016, 3:56 PM EDT (19:56 UTC)
Expired
Sep 8, 2016, 5:00 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 92 km from the middle of the area, began a volume at 19:56 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 12:00Z, 7.9 hours before the alert went out and 93 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 2016-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 948 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 2016-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.193958Sfc1 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
948 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WUUS51 KBUF 081956
SVRBUF
NYC013-082100-
/O.NEW.KBUF.SV.W.0062.160908T1956Z-160908T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
356 PM EDT THU SEP 8 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 500 PM EDT.

* AT 356 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NORTH
  EAST... OR 13 MILES EAST OF ERIE...MOVING NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  JAMESTOWN...DUNKIRK...FREDONIA...WESTFIELD...LAKEWOOD...FALCONER...
  MAYVILLE AND CLYMER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 90 BETWEEN EXITS 61 AND 59.
 INTERSTATE 86 BETWEEN EXITS 4 AND 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4244 7950 4248 7946 4258 7925 4259 7921
      4200 7906 4200 7976 4227 7976 4228 7973
      4231 7977
TIME...MOT...LOC 1956Z 245DEG 37KT 4217 7986 

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

THOMAS
2 follow-up statements
317 
WWUS51 KBUF 082036
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
436 PM EDT THU SEP 8 2016

NYC013-082100-
/O.CON.KBUF.SV.W.0062.000000T0000Z-160908T2100Z/
CHAUTAUQUA NY-
436 PM EDT THU SEP 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR CHAUTAUQUA COUNTY...

AT 435 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LONG POINT
STATE PARK...OR 10 MILES NORTHWEST OF JAMESTOWN...MOVING EAST AT 40
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
JAMESTOWN...FREDONIA...WESTFIELD...LAKEWOOD...FALCONER...MAYVILLE...
CLYMER AND JAMESTOWN WEST.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 4 AND 13.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4239 7950 4242 7939 4247 7920 4200 7906
      4200 7976 4218 7976 4225 7965
TIME...MOT...LOC 2035Z 258DEG 34KT 4220 7938 

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

THOMAS
970 
WWUS51 KBUF 082100
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
500 PM EDT THU SEP 8 2016

NYC013-082110-
/O.EXP.KBUF.SV.W.0062.000000T0000Z-160908T2100Z/
CHAUTAUQUA NY-
500 PM EDT THU SEP 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR CHAUTAUQUA COUNTY 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.

LAT...LON 4239 7950 4242 7939 4247 7920 4200 7906
      4200 7976 4218 7976 4225 7965
TIME...MOT...LOC 2058Z 245DEG 37KT 4220 7938 

$$

THOMAS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 10:34 PM EDTBeach Hazards StatementBUFChautauqua, Erie21 hr
Sep 8, 1:54 PM EDTSpecial Weather StatementBUFOswego51 min
Sep 8, 2:10 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego35 min
Sep 8, 2:44 PM EDTSevere Thunderstorm WarningBUFLewis61 min
Sep 8, 3:43 PM EDTSpecial Marine WarningBUF92 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.