Alert archive / New York / Special Weather Statements in 2011

Special Weather Statement, NWS Buffalo, NY

August 9, 2011Ontario County, New York

NWS Buffalo, NY issued this special weather statement at Aug 9, 2011, 1:09 PM EDT for Ontario County, New York. It was in force for 51 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 9, 2011, 1:09 PM EDT (17:09 UTC)
Expired: Aug 9, 2011, 2:00 PM EDT
In force: 51 min
Issued by: NWS Buffalo, NY

County Ontario County, NY

The radar

The Binghamton radar (KBGM), 122 km from the middle of the area, began a volume at 17:12 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, 5.2 hours before the alert went out and 123 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: 485 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

559 
WWUS81 KBUF 091709
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
109 PM EDT TUE AUG 9 2011

NYZ014-091800-
ONTARIO NY-
109 PM EDT TUE AUG 9 2011

...STRONG THUNDERSTORM MOVING INTO THE AREA...

* AT 1259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING HAIL...STRONG GUSTY       
  WINDS...FREQUENT LIGHTNING AND VERY HEAVY RAIN.  THIS STORM WAS    
  LOCATED 10 MILES SOUTHEAST OF CANANDAIGUA...AND MOVING NORTHEAST   
  AT 40 MPH.

* THE STORM WILL MOVE THROUGH EASTERN ONTARIO COUNTY INCLUDING THE   
  CITY OF GENEVA AND THE NORTHERN TIP OF CAYUGA LAKE DURING THE NEXT 
  HOUR. 

LAT...LON 4287 7743 4302 7697 4278 7698 4275 7708
      4276 7730

$$

NIZIOL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 1:22 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	15 min
Aug 9, 3:55 PM EDT	Small Craft Advisory	BUF		52 hr

Nearby

Special Weather Statements in New York, 2011 Every special weather statement in 2011

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.