Alert archive / New York / Special Weather Statements in 2011

Special Weather Statement, NWS Buffalo, NY

August 7, 2011Chautauqua County, New York

NWS Buffalo, NY issued this special weather statement at Aug 7, 2011, 7:52 AM EDT for Chautauqua County, New York. It was in force for 53 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 7, 2011, 7:52 AM EDT (11:52 UTC)
Expired
Aug 7, 2011, 8:45 AM EDT
In force
53 min
Issued by
NWS Buffalo, NY

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 122 km from the middle of the area, began a volume at 11:56 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, 11.9 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2011-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 2011-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
11 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
51 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.

401 
WWUS81 KBUF 071152
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
752 AM EDT SUN AUG 7 2011

NYZ019-071245-
CHAUTAUQUA NY-
752 AM EDT SUN AUG 7 2011

...STRONG THUNDERSTORM MOVING TOWARD THE AREA...

* AT 747 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A STRONG THUNDERSTORM CAPABLE OF PRODUCING VERY HEAVY RAIN AND 
  POSSIBLY SOME SMALL HAIL. THIS STORM WAS LOCATED 19 MILES WEST OF 
  FINDLEY LAKE...AND MOVING EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THE STRONG THUNDERSTORM MAY INCLUDE...
  FINDLEY LAKE...
  FRENCH CREEK...
  CLYMER AND SHERMAN...

THIS VERY HEAVY RAIN FROM THE STORMS COULD CAUSE LOCALIZED FLOODING 
OF ROADS AND POOR DRAINAGE AREAS.

LAT...LON 4220 7977 4215 7935 4199 7940 4199 7976
      4200 7977 4203 7977

$$
TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 12:21 PM EDTSpecial Marine WarningBUF54 min
Aug 7, 12:23 PM EDTSpecial Weather StatementBUFLivingston52 min
Aug 7, 12:50 PM EDTSpecial Weather StatementBUFLivingston55 min
Aug 7, 12:53 PM EDTSpecial Weather StatementBUFNiagara52 min
Aug 7, 1:41 PM EDTSpecial Weather StatementBUFWayne49 min
Aug 7, 1:50 PM EDTAreal Flood AdvisoryBUFErie, Niagara109 min
Aug 7, 2:34 PM EDTSevere Thunderstorm WarningBUFWayne41 min
Aug 7, 2:44 PM EDTAreal Flood AdvisoryBUFMonroe, Wayne104 min
Aug 7, 3:13 PM EDTTornado WarningBUFWayne32 min
Aug 7, 3:35 PM EDTTornado WarningBUFWayne25 min
Aug 7, 3:37 PM EDTSmall Craft AdvisoryBUF12 hr
Aug 7, 4:16 PM EDTAreal Flood AdvisoryBUFCayuga, Wayne76 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.