Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 30, 2021Onondaga County, New York

NWS Buffalo, NY issued this special weather statement at Jun 30, 2021, 12:15 PM EDT for Onondaga County, New York. It was in force for 15 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 30, 2021, 12:15 PM EDT (16:15 UTC)
Expired
Jun 30, 2021, 12:30 PM EDT
In force
15 min
Issued by
NWS Buffalo, NY

County Onondaga County, NY

The radar

The Ft Drum radar (KTYX), 67 km from the middle of the area, began a volume at 16:15 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, 4.3 hours before the alert went out and 184 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

492 
WWUS81 KBUF 301615
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1215 PM EDT Wed Jun 30 2021

NYZ006-301630-
Oswego-
1215 PM EDT Wed Jun 30 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN OSWEGO COUNTY...

At 1215 PM EDT, a strong thunderstorm was located near Bridgeport, or
12 miles northeast of Syracuse, moving east at 45 mph.

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

Locations impacted include...
Oneida Lake, Constantia, West Monroe, Cleveland, Bernhards Bay and 
Lower South Bay.

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

If you are on or near Oneida Lake, get out of the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
10 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now! Do not be caught on the water in a thunderstorm.

LAT...LON 4316 7588 4316 7592 4317 7593 4317 7595
      4318 7596 4318 7600 4320 7604 4320 7608
      4322 7608 4323 7611 4328 7610 4329 7587
TIME...MOT...LOC 1615Z 272DEG 39KT 4319 7600 
$$

Mitchell

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:51 PM EDTSpecial Weather StatementBUFCattaraugus39 min
Jun 29, 10:33 PM EDTSpecial Weather StatementBUFCattaraugus42 min
Jun 30, 11:30 AM EDTSevere Thunderstorm WarningBUFCayuga, Oswego45 min
Jun 30, 1:37 PM EDTSpecial Weather StatementBUFLivingston53 min
Jun 30, 2:15 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario35 min
Jun 30, 2:47 PM EDTSpecial Weather StatementBUFAllegany43 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.