Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 119, NWS Buffalo, NY

August 22, 2017Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 22, 2017, 5:10 PM EDT for Oswego County, New York. It was in force for 35 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
Aug 22, 2017, 5:10 PM EDT (21:10 UTC)
Expired
Aug 22, 2017, 5:45 PM EDT
In force
35 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 61 km from the middle of the area, began a volume at 21:12 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 22, 12:23 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.2 hours before the alert went out and 192 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 2017-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 87 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 2017-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
87 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

547 
WUUS51 KBUF 222110
SVRBUF
NYC075-222145-
/O.NEW.KBUF.SV.W.0119.170822T2110Z-170822T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
510 PM EDT TUE AUG 22 2017

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Oswego County in central New York...

* Until 545 PM EDT.

* At 509 PM EDT, a severe thunderstorm was located over Liverpool, or
  near Baldwinsville, moving east at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect wind damage to trees and power lines. 

* Locations impacted include...
  Oneida Lake, Central Square, Constantia, West Monroe, Phoenix, 
  Williamstown, Cleveland, Amboy Center and Pennellville.

This includes Interstate 81 near exit 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A tornado watch remains in effect until 900 PM EDT for central New
York.

LAT...LON 4348 7581 4333 7589 4332 7586 4315 7588
      4317 7593 4318 7600 4320 7604 4320 7608
      4323 7610 4324 7616 4327 7620 4324 7621
      4322 7619 4320 7621 4324 7626 4320 7627
      4323 7633 4328 7633 4352 7576 4347 7576
TIME...MOT...LOC 2109Z 251DEG 50KT 4313 7623 

HAIL...<.75IN
WIND...60MPH
 
$$

Mitchell
2 follow-up statements
607 
WWUS51 KBUF 222126
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
526 PM EDT TUE AUG 22 2017

NYC075-222145-
/O.CON.KBUF.SV.W.0119.000000T0000Z-170822T2145Z/
Oswego NY-
526 PM EDT TUE AUG 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN OSWEGO COUNTY...

At 525 PM EDT, a severe thunderstorm was located near Bridgeport, or
12 miles southwest of Camden, moving east at 60 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect wind damage to trees and power lines. 

Locations impacted include...
Constantia, West Monroe, Williamstown, Cleveland, Bernhards Bay,
Amboy Center and Gayville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A tornado watch remains in effect until 900 PM EDT for central New
York.

LAT...LON 4348 7581 4333 7589 4332 7586 4315 7588
      4317 7593 4318 7600 4320 7604 4331 7613
      4352 7576 4347 7576
TIME...MOT...LOC 2125Z 249DEG 53KT 4321 7593 

HAIL...<.75IN
WIND...60MPH
 
$$

Mitchell
932 
WWUS51 KBUF 222137
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
537 PM EDT TUE AUG 22 2017

NYC075-222147-
/O.EXP.KBUF.SV.W.0119.000000T0000Z-170822T2145Z/
Oswego NY-
537 PM EDT TUE AUG 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSWEGO COUNTY
WILL EXPIRE AT 545 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 900 PM EDT for central New
York.

LAT...LON 4348 7581 4333 7589 4332 7586 4315 7588
      4317 7593 4318 7600 4320 7604 4331 7613
      4352 7576 4347 7576
TIME...MOT...LOC 2137Z 251DEG 50KT 4325 7576 

$$

Mitchell

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 10:39 PM EDTBeach Hazards StatementBUFChautauqua, Erie, Jefferson23 hr
Aug 22, 4:04 AM EDTWind AdvisoryBUFErie, Genesee, Niagara, Orleans13 hr
Aug 22, 4:09 AM EDTLakeshore Flood WarningBUFCayuga, Jefferson, Oswego, Wayne40 hr
Aug 22, 7:16 AM EDTSpecial Weather StatementBUFLewis59 min
Aug 22, 9:51 AM EDTSpecial Marine WarningBUF54 min
Aug 22, 12:05 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie55 min
Aug 22, 12:34 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more56 min
Aug 22, 12:34 PM EDTTornado WarningBUFCattaraugus, Chautauqua26 min
Aug 22, 12:42 PM EDTSpecial Marine WarningBUF48 min
Aug 22, 12:44 PM EDTSpecial Marine WarningBUF61 min
Aug 22, 12:55 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Genesee, Livingston, Wyoming65 min
Aug 22, 1:13 PM EDTSpecial Marine WarningBUF62 min
Aug 22, 1:23 PM EDTSevere Thunderstorm WarningBUFCayuga, Monroe, Ontario, Oswego, Wayne67 min
Aug 22, 1:27 PM EDTSpecial Marine WarningBUF63 min
Aug 22, 1:42 PM EDTSpecial Marine WarningBUF63 min
Aug 22, 1:53 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego67 min
Aug 22, 1:56 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Ontario, Wyoming49 min
Aug 22, 2:05 PM EDTSevere Thunderstorm WarningBUFCayuga, Lewis, Oswego55 min
Aug 22, 2:12 PM EDTTornado WarningBUFAllegany, Livingston33 min
Aug 22, 2:47 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego58 min
Aug 22, 2:48 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 1 more57 min
Aug 22, 3:11 PM EDTTornado WarningBUFLewis34 min
Aug 22, 3:15 PM EDTTornado WarningBUFLewis30 min
Aug 22, 3:20 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming55 min
Aug 22, 3:45 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wyoming45 min
Aug 22, 4:28 PM EDTSpecial Marine WarningBUF92 min
Aug 22, 4:29 PM EDTSevere Thunderstorm WarningBUFOntario19 min
Aug 22, 4:40 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne35 min
Aug 22, 4:53 PM EDTSpecial Weather StatementBUFJefferson67 min
Aug 22, 5:28 PM EDTSpecial Marine WarningBUF47 min
Aug 22, 5:29 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis61 min
Aug 22, 6:28 PM EDTSpecial Marine WarningBUF32 min
Aug 22, 6:28 PM EDTSevere Thunderstorm WarningBUFErie, Niagara47 min
Aug 22, 7:00 PM EDTSpecial Marine WarningBUF30 min
Aug 22, 7:13 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans, Wyoming22 min

Nearby

Severe Thunderstorm Warnings in New York, 2017Every severe thunderstorm warning in 2017

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.