Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

July 26, 2021Jefferson County, New York

NWS Buffalo, NY issued this special weather statement at Jul 26, 2021, 5:15 PM EDT for Jefferson County, New York. It was in force for 60 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
Jul 26, 2021, 5:15 PM EDT (21:15 UTC)
Expired
Jul 26, 2021, 6:15 PM EDT
In force
60 min
Issued by
NWS Buffalo, NY

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 58 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 233 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 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Albany, NY at 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1102 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

495 
WWUS81 KBUF 262115
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
515 PM EDT Mon Jul 26 2021

NYZ007-008-262215-
Jefferson-Lewis-
515 PM EDT Mon Jul 26 2021

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

At 515 PM EDT, a strong thunderstorm was located over Redwood, or 16
miles west of Gouverneur, moving southeast at 25 mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Fort Drum, Carthage, Redwood, Kring Point State Park, Philadelphia,
Alexandria Bay, Theresa, Antwerp, Harrisville, Diana Center, Plessis,
Oxbow, Muskellunge Lake, Lake Bonaparte and Natural Bridge.

This includes Interstate 81 near exit 50.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4441 7584 4439 7583 4437 7578 4413 7525
      4393 7549 4429 7599
TIME...MOT...LOC 2115Z 312DEG 20KT 4433 7579 
$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:52 AM EDTSpecial Weather StatementBUFNiagara53 min
Jul 26, 6:43 AM EDTSpecial Weather StatementBUFNiagara62 min
Jul 26, 4:47 PM EDTSpecial Marine WarningBUF43 min
Jul 26, 5:50 PM EDTSpecial Marine WarningBUF55 min
Jul 26, 6:10 PM EDTSpecial Weather StatementBUFJefferson65 min
Jul 26, 6:38 PM EDTSpecial Weather StatementBUFJefferson52 min
Jul 26, 6:39 PM EDTSpecial Marine WarningBUF66 min
Jul 26, 7:42 PM EDTSpecial Weather StatementBUFJefferson48 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.