Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 19, 2021Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Jun 19, 2021, 10:00 PM EDT for Oswego 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
Jun 19, 2021, 10:00 PM EDT (02:00 UTC)
Expired
Jun 19, 2021, 11:00 PM EDT
In force
60 min
Issued by
NWS Buffalo, NY

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 64 km from the middle of the area, began a volume at 02:00 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, 2.0 hours before the alert went out and 201 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 217 joules per kilogram.LCLEL10008507005003002001001 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 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
217 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
2044 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

189 
WWUS81 KBUF 200200
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1000 PM EDT Sat Jun 19 2021

NYZ005-006-008-200300-
Oswego-Lewis-Northern Cayuga-
1000 PM EDT Sat Jun 19 2021

...AN AREA OF THUNDERSTORMS WILL AFFECT SOUTH CENTRAL LEWIS... 
CAYUGA AND OSWEGO COUNTIES...

At 957 PM EDT, thunderstorms with heavy rain were across northern 
Cayuga, Oswego and southern Lewis counties, moving southeast at 30 
mph.

Rainfall amounts of 1 to 2 inches has fallen and may cause localized 
flooding in poor drainage areas. Winds in excess of 30 mph are 
possible with this storm.

Locations impacted include...
Oswego, Fulton, Fair Haven Beach State Park, Pulaski, Central Square,
Weedsport, Redfield, Cato, Selkirk Shores State Park, Mexico Point
State Park, Battle Island State Park, Brewerton, Hastings, Scriba,
Volney, Richland, Constantia, West Monroe, Palermo and Sterling.

This includes the following highways...
 Interstate 90 near exit 40.
 Interstate 81 between exits 32 and 36.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4342 7553 4348 7581 4333 7589 4315 7588
      4320 7608 4327 7620 4320 7621 4324 7627
      4322 7626 4320 7627 4323 7631 4323 7648
      4303 7650 4303 7656 4334 7672 4335 7676
      4356 7628 4360 7626 4348 7541
TIME...MOT...LOC 0157Z 303DEG 28KT 4311 7647 
$$

HSK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:52 PM EDTSpecial Weather StatementBUFOswego53 min
Jun 19, 9:51 PM EDTAreal Flood WarningBUFOswego2 hr
Jun 20, 2:44 PM EDTWind AdvisoryBUFErie, Genesee, Niagara, Orleans25 hr
Jun 20, 3:30 PM EDTSpecial Weather StatementBUFCattaraugus45 min
Jun 20, 3:57 PM EDTSpecial Weather StatementBUFCattaraugus48 min
Jun 20, 4:30 PM EDTSmall Craft AdvisoryBUF57 hr
Jun 20, 6:23 PM EDTSpecial Weather StatementBUFChautauqua52 min
Jun 20, 6:40 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua35 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.