Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 29, 2021Cayuga County, New York

NWS Buffalo, NY issued this special weather statement at Jun 29, 2021, 2:16 PM EDT for Cayuga County, New York. It was in force for 29 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 29, 2021, 2:16 PM EDT (18:16 UTC)
Expired
Jun 29, 2021, 2:45 PM EDT
In force
29 min
Issued by
NWS Buffalo, NY

County Cayuga County, NY

The radar

The Ft Drum radar (KTYX), 98 km from the middle of the area, began a volume at 18:17 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, 6.3 hours before the alert went out and 179 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 627 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, Buffalo Intl Airport, NY at 12:00Z on 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
627 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1039 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS81 KBUF 291816
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
216 PM EDT Tue Jun 29 2021

NYZ005-291845-
Northern Cayuga-
216 PM EDT Tue Jun 29 2021

...A STRONG THUNDERSTORM WILL AFFECT CAYUGA COUNTY...

At 216 PM EDT, a strong thunderstorm was located near Cato, or 11
miles west of Baldwinsville, moving east at 15 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Weedsport, Cato and Meridian. 

This includes Interstate 90 near exit 40.
 
If outdoors, consider seeking shelter inside a building.

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.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4311 7649 4310 7650 4303 7650 4303 7653
      4305 7663 4321 7664 4321 7648 4315 7647
      4314 7649 4313 7648 4311 7647
TIME...MOT...LOC 1816Z 275DEG 12KT 4311 7655 
$$

Reynolds

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:05 PM EDTSpecial Weather StatementBUFErie40 min
Jun 29, 2:49 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie, Wyoming56 min
Jun 29, 3:13 PM EDTSpecial Weather StatementBUFLivingston, Wyoming47 min
Jun 29, 3:18 PM EDTSevere Thunderstorm WarningBUFLivingston, Wyoming45 min
Jun 29, 3:45 PM EDTSpecial Marine WarningBUF60 min
Jun 29, 4:08 PM EDTSpecial Weather StatementBUFLivingston67 min
Jun 29, 4:39 PM EDTSpecial Marine WarningBUF66 min
Jun 29, 4:54 PM EDTSpecial Weather StatementBUFErie51 min
Jun 29, 5:47 PM EDTSpecial Weather StatementBUFWyoming43 min
Jun 29, 6:01 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Wyoming29 min
Jun 29, 7:26 PM EDTSpecial Weather StatementBUFAllegany34 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.