Alert archive / New York / Special Weather Statements in 2011

Special Weather Statement, NWS Buffalo, NY

August 19, 2011Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at Aug 19, 2011, 12:13 AM EDT for Cattaraugus County, New York. It was in force for 62 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 19, 2011, 12:13 AM EDT (04:13 UTC)
Expired
Aug 19, 2011, 1:15 AM EDT
In force
62 min
Issued by
NWS Buffalo, NY

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 71 km from the middle of the area, began a volume at 04:15 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, 4.2 hours before the alert went out and 69 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 2011-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 502 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 00:00Z on 2011-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939Sfc1 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
502 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1398 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-7 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.

163 
WWUS81 KBUF 190413
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1213 AM EDT FRI AUG 19 2011

NYZ020-190515-
CATTARAUGUS NY-
1213 AM EDT FRI AUG 19 2011

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

* AT 1210 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL...AND
  VERY HEAVY RAIN.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 17 MILES NORTHWEST OF SALAMANCA TO SALAMANCA...AND MOVING EAST
  AT 30 MPH.

* SOME LOCATIONS AFFECTED BY THE STRONG THUNDERSTORMS MAY INCLUDE...
  CATTARAUGUS...
  ELLICOTTVILLE...
  ASHFORD...
  ISCHUA...
  FRANKLINVILLE...

THESE STORMS HAVE THE POTENTIAL TO PRODUCE VERY HEAVY RAIN WITH 
SMALL HAIL...AND COULD CAUSE LOCALIZED FLOODING OF ROADS AND POOR 
DRAINAGE AREAS.

LAT...LON 4229 7907 4236 7906 4237 7903 4241 7834
      4240 7831 4219 7831 4216 7879

$$

HIBBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 12:59 AM EDTSpecial Weather StatementBUFCattaraugus61 min
Aug 19, 12:08 PM EDTAreal Flood AdvisoryBUFAllegany3 hr
Aug 19, 12:10 PM EDTSevere Thunderstorm WarningBUFAllegany65 min
Aug 19, 12:39 PM EDTFlash Flood WarningBUFAllegany110 min
Aug 19, 1:15 PM EDTSevere Thunderstorm WarningBUFWyoming45 min
Aug 19, 2:20 PM EDTSpecial Weather StatementBUFLivingston55 min
Aug 19, 3:50 PM EDTSpecial Weather StatementBUFAllegany55 min
Aug 19, 3:51 PM EDTSpecial Weather StatementBUFAllegany54 min
Aug 19, 4:06 PM EDTAreal Flood AdvisoryBUFAllegany119 min
Aug 19, 5:55 PM EDTSpecial Weather StatementBUFOntario65 min
Aug 19, 6:23 PM EDTAreal Flood AdvisoryBUFLivingston, Ontario97 min

Nearby

Special Weather Statements in New York, 2011Every 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.