Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

August 3, 2017Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Aug 3, 2017, 1:56 PM EDT for Lewis 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
Aug 3, 2017, 1:56 PM EDT (17:56 UTC)
Expired
Aug 3, 2017, 2:30 PM EDT
In force
34 min
Issued by
NWS Buffalo, NY

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 45 km from the middle of the area, began a volume at 17:55 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

Albany, NY (KALY), launched 12:00Z, 5.9 hours before the alert went out and 208 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, Albany, NY at 12:00Z on 2017-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Albany, NY at 12:00Z on 2017-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
12 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

886 
WWUS81 KBUF 031756
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
156 PM EDT THU AUG 3 2017

NYZ007-008-031830-
Jefferson-Lewis-
156 PM EDT THU AUG 3 2017

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL JEFFERSON AND NORTH
CENTRAL LEWIS COUNTIES...

At 155 PM EDT, a strong thunderstorm was located 8 miles northeast of
Herrings, or 12 miles east of Fort Drum, moving northeast at 25 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Antwerp, Harrisville, Lake Bonaparte, Natural Bridge and Diana
Center.

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 4415 7528 4399 7553 4411 7571 4426 7555
TIME...MOT...LOC 1755Z 222DEG 23KT 4412 7555 

$$

Welch

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 12:22 PM EDTSpecial Weather StatementBUFLewis38 min
Aug 3, 12:35 PM EDTSevere Thunderstorm WarningBUFLewis32 min
Aug 3, 2:42 PM EDTLakeshore Flood WarningBUFCayuga, Jefferson, Monroe, Niagara, Orleans, Oswego and 1 more61 hr
Aug 3, 3:32 PM EDTSpecial Weather StatementBUFOrleans28 min
Aug 3, 4:40 PM EDTSpecial Weather StatementBUFErie35 min
Aug 3, 5:08 PM EDTSpecial Weather StatementBUFLivingston37 min
Aug 3, 5:11 PM EDTSpecial Weather StatementBUFGenesee34 min
Aug 3, 5:29 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans46 min
Aug 3, 5:52 PM EDTSpecial Weather StatementBUFMonroe53 min
Aug 3, 6:00 PM EDTSpecial Marine WarningBUF60 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.