Alert archive / New York / Special Weather Statements in 2012

Special Weather Statement, NWS Buffalo, NY

May 3, 2012Jefferson County, Oswego County, New York

NWS Buffalo, NY issued this special weather statement at May 3, 2012, 11:40 PM EDT for Jefferson County, Oswego County, New York. It was in force for 65 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
May 3, 2012, 11:40 PM EDT (03:40 UTC)
Expired
May 4, 2012, 12:45 AM EDT
In force
65 min
Issued by
NWS Buffalo, NY

Counties Jefferson County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 46 km from the middle of the area, began a volume at 03:47 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, 3.7 hours before the alert went out and 220 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 2012-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 842 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2012-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
842 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1453 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

229 
WWUS81 KBUF 040340
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1140 PM EDT THU MAY 3 2012

NYZ006>008-040445-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
1140 PM EDT THU MAY 3 2012

...LINE OF STRONG THUNDERSTORMS MOVING INTO THE AREA...

* AT 1137 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM 15 MILES NORTHWEST OF STONY POINT TO           
  OSWEGO...AND MOVING EAST AT 55 MPH. THESE STORMS MAY PRODUCE WIND  
  GUSTS UP TO 40 MPH...FREQUENT LIGHTNING...AND HEAVY DOWNPOURS.

* SOME LOCATIONS AFFECTED BY THE STRONG THUNDERSTORMS MAY INCLUDE...
  WATERTOWN...
  ADAMS...
  MANNSVILLE...
  PULASKI...
  SANDY POND...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY!

LAT...LON 4349 7580 4341 7657 4346 7657 4353 7642
      4354 7624 4358 7621 4380 7624 4392 7636
      4388 7645 4390 7645 4393 7637 4388 7629
      4390 7620 4387 7621 4392 7614 4398 7622
      4396 7630 4411 7638 4424 7588

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 10:40 PM EDTSpecial Marine WarningBUF80 min
May 3, 10:43 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wayne62 min
May 3, 11:22 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario37 min
May 3, 11:42 PM EDTSevere Thunderstorm WarningBUFCayuga, Wayne29 min

Nearby

Special Weather Statements in New York, 2012Every 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.