Alert archive / New York / Special Weather Statements in 2014

Special Weather Statement, NWS Buffalo, NY

August 21, 2014Cayuga County, New York

NWS Buffalo, NY issued this special weather statement at Aug 21, 2014, 1:21 PM EDT for Cayuga County, New York. It was in force for 54 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 21, 2014, 1:21 PM EDT (17:21 UTC)
Expired: Aug 21, 2014, 2:15 PM EDT
In force: 54 min
Issued by: NWS Buffalo, NY

County Cayuga County, NY

The radar

The Binghamton radar (KBGM), 113 km from the middle of the area, began a volume at 17:24 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, 5.4 hours before the alert went out and 155 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: 322 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 825 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

731 
WWUS81 KBUF 211721
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
121 PM EDT THU AUG 21 2014

NYZ004-005-014-211815-
CAYUGA NY-ONTARIO NY-WAYNE NY-
121 PM EDT THU AUG 21 2014

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

* AT 115 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...AND VERY
  HEAVY RAIN.  THIS STORM WAS LOCATED NEAR CLYDE...AND MOVING EAST AT
  10 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE VERY HEAVY RAIN...AND COULD
CAUSE LOCALIZED FLOODING OF ROADS AND POOR DRAINAGE AREAS.

LAT...LON 4298 7717 4313 7697 4316 7647 4311 7647
      4310 7649 4303 7648 4302 7650 4301 7696
      4289 7696 4289 7712

$$

SJW/WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 12:28 PM EDT	Special Weather Statement	BUF	Lewis	62 min
Aug 21, 4:07 PM EDT	Special Weather Statement	BUF	Monroe	53 min
Aug 21, 4:29 PM EDT	Special Weather Statement	BUF	Oswego	46 min
Aug 21, 5:04 PM EDT	Special Weather Statement	BUF	Ontario	56 min
Aug 21, 5:21 PM EDT	Special Weather Statement	BUF	Oswego	39 min
Aug 21, 6:16 PM EDT	Special Weather Statement	BUF	Oswego	44 min
Aug 21, 7:03 PM EDT	Special Weather Statement	BUF	Oswego	57 min

Nearby

Special Weather Statements in New York, 2014 Every special weather statement in 2014

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.