Alert archive / New York / Special Weather Statements in 2018

Special Weather Statement, NWS Buffalo, NY

August 6, 2018Livingston County, Wyoming County, New York

NWS Buffalo, NY issued this special weather statement at Aug 6, 2018, 2:01 PM EDT for Livingston County, Wyoming County, New York. It was in force for 44 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 6, 2018, 2:01 PM EDT (18:01 UTC)
Expired
Aug 6, 2018, 2:45 PM EDT
In force
44 min
Issued by
NWS Buffalo, NY

Counties Livingston County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 46 km from the middle of the area, began a volume at 18:01 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, 6.0 hours before the alert went out and 42 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 2018-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 570 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 12:00Z on 2018-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
570 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

150 
WWUS81 KBUF 061801
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
201 PM EDT MON AUG 6 2018

NYZ011>013-020-085-061845-
Cattaraugus-Livingston-Southern Erie-Wyoming-Genesee-
201 PM EDT MON AUG 6 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WYOMING...NORTHEASTERN 
CATTARAUGUS...SOUTHEASTERN ERIE...NORTHWESTERN LIVINGSTON AND 
SOUTHEASTERN GENESEE COUNTIES...

At 157 PM EDT, a line of strong thunderstorms near Varysburg is 
moving northeast at 30 mph. This line of storms is capable of 
producing torrential rainfall and may cause localized flooding. Do 
not drive your vehicle through flooded roadways.

Winds in excess of 30 mph are possible with this line of storms.

Locations impacted include...
Geneseo, Letchworth State Park, Boston, Le Roy, Springville, Perry,
Warsaw, Colden, Mount Morris and Attica.

This includes the following highways...
 Interstate 390 between exits 6 and 7.
 Interstate 90 near exit 47.

Frequent cloud to ground lightning is occurring with this line of 
storms. Lightning can strike 10 miles away from a thunderstorm. Seek 
a safe shelter inside a building or vehicle.

This line of storms may intensify, so be certain to monitor local 
radio stations and available television stations for additional 
information and possible warnings from the National Weather Service.

LAT...LON 4266 7876 4278 7851 4278 7849 4279 7849
      4305 7795 4304 7795 4304 7791 4302 7790
      4299 7791 4299 7788 4266 7764 4252 7827
      4252 7831 4251 7831 4244 7861
TIME...MOT...LOC 1757Z 240DEG 27KT 4269 7832 

$$

Reynolds

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 2:43 PM EDTSpecial Marine WarningBUF62 min
Aug 6, 2:46 PM EDTSpecial Weather StatementBUFWyoming44 min
Aug 6, 2:57 PM EDTSpecial Marine WarningBUF63 min
Aug 6, 3:06 PM EDTSpecial Weather StatementBUFOntario24 min
Aug 6, 3:12 PM EDTSpecial Marine WarningBUF63 min
Aug 6, 3:17 PM EDTSevere Thunderstorm WarningBUFMonroe, Wayne58 min
Aug 6, 3:21 PM EDTSpecial Weather StatementBUFNiagara54 min
Aug 6, 3:34 PM EDTSpecial Marine WarningBUF41 min
Aug 6, 4:08 PM EDTSpecial Marine WarningBUF52 min
Aug 6, 4:19 PM EDTSpecial Weather StatementBUFOswego56 min
Aug 6, 4:43 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego41 min

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.