Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

September 6, 2021Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Sep 6, 2021, 4:26 AM EDT for Lewis County, New York. It was in force for 64 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 6, 2021, 4:26 AM EDT (08:26 UTC)
Expired
Sep 6, 2021, 5:30 AM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
40

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 19 km from the middle of the area, began a volume at 08:26 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

Albany, NY (KALY), launched 00:00Z, 8.4 hours before the alert went out and 173 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 00:00Z on 2021-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 00:00Z on 2021-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897117Sfc1 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
33 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

859 
WWUS81 KBUF 060826
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
426 AM EDT Mon Sep 6 2021
 
NYZ007-008-060930-
Jefferson NY-Lewis NY-
426 AM EDT Mon Sep 6 2021

...Strong thunderstorms will impact portions of southeastern
Jefferson and Lewis Counties through 530 AM EDT...

At 424 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles east of Watertown to near Redfield.
Movement was east at 35 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. 

Locations impacted include...
Carthage, Lowville, West Carthage, Highmarket, Whetstone Gulf State
Park, Denmark, New Bremen, Watson, Martinsburg, Lyonsdale, Greig,
Copenhagen, Port Leyden, Croghan, Lyons Falls, Castorland,
Constableville, Turin, Osceola and West Leyden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Very heavy rainfall is also occurring with these storms and may lead 
to localized flooding. Do not drive your vehicle through flooded 
roadways.

&&

LAT...LON 4343 7552 4349 7576 4396 7581 4410 7517
      4361 7511
TIME...MOT...LOC 0824Z 264DEG 29KT 4394 7580 4352 7574 

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

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 12:35 AM EDTSpecial Marine WarningBUF85 min
Sep 6, 1:03 AM EDTSpecial Weather StatementBUFGenesee57 min
Sep 6, 3:10 AM EDTSpecial Marine WarningBUF65 min
Sep 6, 3:51 AM EDTSpecial Weather StatementBUFJefferson54 min
Sep 6, 6:44 AM EDTSpecial Marine WarningBUF61 min
Sep 6, 7:25 AM EDTSpecial Marine WarningBUF95 min
Sep 6, 8:24 AM EDTSpecial Weather StatementBUFJefferson51 min
Sep 6, 8:50 AM EDTSpecial Marine WarningBUF85 min
Sep 6, 9:02 AM EDTSpecial Weather StatementBUFLewis28 min
Sep 6, 9:10 AM EDTSpecial Weather StatementBUFOswego35 min
Sep 6, 9:31 AM EDTSpecial Weather StatementBUFLewis29 min
Sep 6, 9:32 AM EDTSpecial Weather StatementBUFJefferson28 min
Sep 6, 9:57 AM EDTSpecial Weather StatementBUFJefferson33 min
Sep 6, 10:22 AM EDTSpecial Weather StatementBUFLewis38 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.