Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

May 28, 2017Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at May 28, 2017, 5:26 PM EDT for Cattaraugus County, New York. It was in force for 34 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 28, 2017, 5:26 PM EDT (21:26 UTC)
Expired
May 28, 2017, 6:00 PM EDT
In force
34 min
Issued by
NWS Buffalo, NY

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 84 km from the middle of the area, began a volume at 21:26 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, 9.4 hours before the alert went out and 83 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 12:00Z on 2017-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

031 
WWUS81 KBUF 282126
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
526 PM EDT SUN MAY 28 2017

NYZ020-282200-
Cattaraugus-
526 PM EDT SUN MAY 28 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN CATTARAUGUS
COUNTY...

At 525 PM EDT, a strong thunderstorm was located 9 miles west of
Salamanca, moving northeast at 20 mph.

Half inch hail is possible with this storm.

Brief heavy rainfall is also likely within this storm.  

Locations impacted include...
New Albion, Randolph, Napoli, Little Valley, Cattaraugus, East
Randolph, Ellicottville and Steamburg.

LAT...LON 4209 7886 4214 7899 4238 7893 4228 7863
TIME...MOT...LOC 2125Z 205DEG 19KT 4217 7890 

$$

Welch

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 3:57 PM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua78 min
May 28, 6:05 PM EDTSpecial Weather StatementBUFCattaraugus55 min
May 28, 6:11 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie49 min
May 28, 6:28 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie, Wyoming47 min
May 28, 7:00 PM EDTSevere Thunderstorm WarningBUFErie45 min

Nearby

Special Weather Statements in New York, 2017Every special weather statement in 2017

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.