Alert archive / New York / Special Weather Statements in 2018

Special Weather Statement, NWS Buffalo, NY

September 5, 2018Wayne County, New York

NWS Buffalo, NY issued this special weather statement at Sep 5, 2018, 3:08 PM EDT for Wayne County, New York. It was in force for 22 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
Sep 5, 2018, 3:08 PM EDT (19:08 UTC)
Expired
Sep 5, 2018, 3:30 PM EDT
In force
22 min
Issued by
NWS Buffalo, NY

County Wayne County, NY

The radar

The Buffalo radar (KBUF), 124 km from the middle of the area, began a volume at 19:10 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, 7.1 hours before the alert went out and 121 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 2018-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 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 12:00Z on 2018-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
813 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

117 
WWUS81 KBUF 051908
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
308 PM EDT WED SEP 5 2018

NYZ004-014-051930-
Ontario-Wayne-
308 PM EDT WED SEP 5 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN WAYNE AND
NORTHEASTERN ONTARIO COUNTIES...

At 307 PM EDT, a strong thunderstorm was located near Palmyra, or 8
miles southeast of Fairport, moving northeast at 15 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Newark, Marion, Lyons, Palmyra, Sodus, Farmington, Walworth,
Manchester, Macedon and Fairville.

This includes Interstate 90 near exit 43.
 
Occasional cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4303 7739 4304 7737 4309 7737 4326 7708
      4304 7692 4301 7696 4295 7729
TIME...MOT...LOC 1907Z 243DEG 14KT 4303 7730 

$$

Welch

Nearby

Special Weather Statements in New York, 2018Every special weather statement in 2018

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.