Alert archive / New York / Special Weather Statements in 2015

Special Weather Statement, NWS Buffalo, NY

August 1, 2015Wyoming County, New York

NWS Buffalo, NY issued this special weather statement at Aug 1, 2015, 7:13 PM EDT for Wyoming County, New York. It was in force for 47 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 1, 2015, 7:13 PM EDT (23:13 UTC)
Expired
Aug 1, 2015, 8:00 PM EDT
In force
47 min
Issued by
NWS Buffalo, NY

County Wyoming County, NY

The radar

The Buffalo radar (KBUF), 53 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 50 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 2015-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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 2015-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939587897Sfc1 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
134 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1056 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

204 
WWUS81 KBUF 012313
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
713 PM EDT SAT AUG 1 2015
 
NYZ012-021-085-020000-
SOUTHERN ERIE-ALLEGANY-WYOMING-
713 PM EDT SAT AUG 1 2015

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL 
ERIE...NORTH CENTRAL ALLEGANY AND SOUTHERN WYOMING COUNTIES...

AT 711 PM EDT...A STRONG THUNDERSTORM WAS NEAR EAST AURORA...MOVING
SOUTHEAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
EAST AURORA...LETCHWORTH STATE PARK...WALES CENTER...PORTAGEVILLE...
BILLINGTON HEIGHTS...HOUGHTON...HOLLAND...SHELDON...EAGLE AND PIKE.

LAT...LON 4252 7831 4270 7868 4278 7863 4278 7853
      4267 7798 4259 7803 4258 7805 4257 7804
      4242 7813
TIME...MOT...LOC 2311Z 293DEG 26KT 4272 7858 
$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:57 PM EDTSpecial Marine WarningBUF93 min
Aug 1, 2:56 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego64 min
Aug 1, 4:01 PM EDTSpecial Weather StatementBUFGenesee44 min
Aug 1, 6:29 PM EDTSpecial Marine WarningBUF61 min
Aug 1, 6:55 PM EDTSpecial Marine WarningBUF65 min
Aug 1, 7:06 PM EDTSpecial Weather StatementBUFOrleans54 min
Aug 1, 7:29 PM EDTSpecial Marine WarningBUF61 min
Aug 1, 7:52 PM EDTSpecial Weather StatementBUFJefferson38 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.