Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

October 16, 2021Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Oct 16, 2021, 9:13 AM EDT for Lewis County, New York. It was in force for 92 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
Oct 16, 2021, 9:13 AM EDT (13:13 UTC)
Expired
Oct 16, 2021, 10:45 AM EDT
In force
92 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
40

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 17 km from the middle of the area, began a volume at 13:11 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, 1.2 hours before the alert went out and 186 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 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.1939587897Sfc1 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
50 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
735 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

820 
WWUS81 KBUF 161313
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
913 AM EDT Sat Oct 16 2021
 
NYZ006>008-161445-
Jefferson NY-Oswego NY-Lewis NY-
913 AM EDT Sat Oct 16 2021

...Strong thunderstorms will impact portions of southeastern
Jefferson, Lewis and northeastern Oswego Counties through 1045 AM
EDT...

At 913 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Barnes Corners to 8 miles south of
Pulaski. Movement was northeast at 25 mph.

HAZARD...Winds in excess of 40 mph and heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Heavy rains could cause flooding.

Locations impacted include...
Carthage, Lowville, West Carthage, Redfield, Barnes Corners,
Whetstone Gulf State Park, Hastings, Richland, Denmark, New Bremen,
Watson, Martinsburg, Orwell, Copenhagen, Harrisville, Croghan,
Parish, Altmar, Castorland and Worth.

This includes Interstate 81 between exits 33 and 34.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4364 7541 4333 7620 4392 7585 4417 7534
      4410 7517 4405 7516
TIME...MOT...LOC 1313Z 237DEG 20KT 4389 7582 4344 7609 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Fries

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 9:01 PM EDTSpecial Marine WarningBUF29 min
Oct 15, 9:15 PM EDTSpecial Weather StatementBUFNiagara45 min
Oct 15, 9:52 PM EDTSpecial Marine WarningBUF38 min
Oct 15, 10:31 PM EDTSpecial Marine WarningBUF59 min
Oct 15, 11:53 PM EDTSpecial Weather StatementBUFJefferson37 min
Oct 16, 1:42 AM EDTSpecial Marine WarningBUF42 min
Oct 16, 2:11 AM EDTSpecial Weather StatementBUFErie49 min
Oct 16, 6:48 AM EDTSpecial Marine WarningBUF87 min
Oct 16, 8:03 AM EDTSpecial Weather StatementBUFOswego27 min
Oct 16, 8:31 AM EDTSpecial Weather StatementBUFOswego44 min

Nearby

Special Weather Statements in New York, 2021Every special weather statement in 2021

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.