Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

October 17, 2021Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Oct 17, 2021, 10:53 AM EDT for Oswego County, New York. It was in force for 112 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 17, 2021, 10:53 AM EDT (14:53 UTC)
Expired
Oct 17, 2021, 12:45 PM EDT
In force
112 min
Issued by
NWS Buffalo, NY

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 70 km from the middle of the area, began a volume at 14:55 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.9 hours before the alert went out and 203 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, Buffalo Intl Airport, NY at 12:00Z on 2021-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2021-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.193958Sfc1 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
4 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
-46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WWUS81 KBUF 171453
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1053 AM EDT Sun Oct 17 2021

NYZ005-006-171645-
Oswego-Northern Cayuga-
1053 AM EDT Sun Oct 17 2021

...A BAND OF LAKE EFFECT RAIN WILL AFFECT NORTHERN CAYUGA AND 
SOUTHERN OSWEGO COUNTIES...

At 1049 AM EDT, a band of lake effect rain continued across northern 
Cayuga and southern Oswego counties. This band of rain will produce 
locally heavy rainfall into this afternoon. This may result in 
localized flooding of low lying and poor drainage areas.

Locations impacted include...
Oswego, Fulton, Fair Haven Beach State Park, Central Square, Battle
Island State Park, Hastings, Scriba, Volney, Constantia, West Monroe,
Palermo, Sterling, New Haven, Phoenix, Ira, Minetto, Mexico,
Williamstown, Cleveland and Hannibal.

This includes Interstate 81 between exits 32 and 34.

Do not drive your vehicle through flooded roadways.  

LAT...LON 4333 7589 4332 7586 4316 7588 4320 7608
      4323 7610 4327 7620 4324 7621 4322 7619
      4320 7621 4324 7627 4322 7626 4320 7627
      4323 7631 4323 7648 4318 7648 4319 7671
      4339 7673 4345 7665 4351 7653 4345 7583
TIME...MOT...LOC 1449Z 239DEG 49KT 4342 7639 

$$

TMA

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.