Alert archive / New York / Special Weather Statements in 2015

Special Weather Statement, NWS Buffalo, NY

August 2, 2015Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Aug 2, 2015, 11:37 PM EDT for Niagara County, New York. It was in force for 23 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
Aug 2, 2015, 11:37 PM EDT (03:37 UTC)
Expired
Aug 3, 2015, 12:00 AM EDT
In force
23 min
Issued by
NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 20 km from the middle of the area, began a volume at 03:40 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 00:00Z, 3.6 hours before the alert went out and 24 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 2015-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 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 00:00Z on 2015-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
112 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
2024 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

074 
WWUS81 KBUF 030337
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1137 PM EDT SUN AUG 2 2015
 
NYZ001-002-010-030400-
NORTHERN ERIE-NIAGARA-ORLEANS-
1137 PM EDT SUN AUG 2 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NIAGARA...NORTH CENTRAL
ERIE AND NORTHWESTERN ORLEANS COUNTIES...

AT 1135 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 6 MILES EAST OF FORT NIAGARA STATE PARK TO 25 MILES
NORTHWEST OF DUNKIRK...AND MOVING EAST AT 45 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE... 

NIAGARA FALLS...NORTH TONAWANDA...LOCKPORT...KENMORE... 
AMHERST...TONAWANDA...GRAND ISLAND...NEWFANE AND PENDLETON.

LAT...LON 4312 7907 4314 7904 4326 7906 4337 7856
      4337 7821 4293 7890 4299 7894 4296 7894
      4299 7901 4307 7900 4306 7895 4304 7890
      4302 7890 4300 7894 4301 7890 4302 7889
      4305 7890 4307 7892 4308 7907
TIME...MOT...LOC 0335Z 271DEG 41KT 4328 7892 4282 7955 
$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 10:50 PM EDTSpecial Marine WarningBUF85 min
Aug 3, 12:01 AM EDTSpecial Weather StatementBUFNiagara29 min
Aug 3, 12:21 AM EDTSpecial Marine WarningBUF39 min
Aug 3, 12:24 AM EDTSpecial Weather StatementBUFOrleans36 min
Aug 3, 9:42 AM EDTSpecial Marine WarningBUF63 min
Aug 3, 2:50 PM EDTSpecial Weather StatementBUFOswego40 min
Aug 3, 3:48 PM EDTSpecial Weather StatementBUFOswego27 min
Aug 3, 5:20 PM EDTSpecial Weather StatementBUFOrleans40 min
Aug 3, 6:07 PM EDTSpecial Marine WarningBUF53 min
Aug 3, 6:23 PM EDTSpecial Weather StatementBUFOswego37 min

Nearby

Special Weather Statements in New York, 2015Every special weather statement in 2015

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.