Alert archive / New York / Special Weather Statements in 2012

Special Weather Statement, NWS Buffalo, NY

August 4, 2012Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at Aug 4, 2012, 6:07 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 68 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 4, 2012, 6:07 PM EDT (22:07 UTC)
Expired: Aug 4, 2012, 7:15 PM EDT
In force: 68 min
Issued by: NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 96 km from the middle of the area, began a volume at 22:09 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, 10.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1202 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

295 
WWUS81 KBUF 042207
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
607 PM EDT SAT AUG 4 2012

NYZ020-021-042315-
ALLEGANY NY-CATTARAUGUS NY-
607 PM EDT SAT AUG 4 2012

...LINE OF STRONG THUNDERSTORMS APPROACHING THE WESTERN SOUTHERN 
TIER...

* AT 606 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAIN. 
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 25 MILES
  SOUTH OF ALLEGANY PARK TO 23 MILES SOUTH OF ST. BONAVENTURE TO 20
  MILES SOUTH OF WHITESVILLE...AND MOVING NORTHEAST AT 25 MPH.

THIS ACTIVITY SHOULD LIFT NORTH OF THE PENNSYLVANIA BORDER AFTER 7 
PM.

FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING WITH THIS 
STORM. PAY ATTENTION TO LOCAL CONDITIONS AND LISTEN FOR UPDATED 
STATEMENTS AND POSSIBLE WARNINGS.

LAT...LON 4199 7897 4234 7894 4245 7832 4244 7772
      4200 7774 4199 7775 4199 7807

$$
RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 3:54 AM EDT	Heat Advisory	BUF	Cayuga, Erie, Genesee, Jefferson, Livingston, Monroe and 5 more	16 hr
Aug 4, 3:59 AM EDT	Small Craft Advisory	BUF		54 hr
Aug 4, 6:41 PM EDT	Special Weather Statement	BUF	Niagara	49 min
Aug 4, 6:45 PM EDT	Special Marine Warning	BUF		60 min
Aug 4, 6:59 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	31 min
Aug 4, 7:29 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	31 min
Aug 4, 7:34 PM EDT	Areal Flood Advisory	BUF	Niagara	3 hr
Aug 4, 7:40 PM EDT	Special Marine Warning	BUF		65 min

Nearby

Special Weather Statements in New York, 2012 Every special weather statement in 2012

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.