Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 57, NWS Buffalo, NY

June 18, 2017Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 18, 2017, 5:46 PM EDT for Oswego County, New York. It was in force for 59 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 18, 2017, 5:46 PM EDT (21:46 UTC)
Expired: Jun 18, 2017, 6:45 PM EDT
In force: 59 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 68 km from the middle of the area, began a volume at 21:47 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.

Issued	Product	Office	Lasted
Jun 18, 1:37 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 18 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 659 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

237 
WUUS51 KBUF 182146
SVRBUF
NYC075-182245-
/O.NEW.KBUF.SV.W.0057.170618T2146Z-170618T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
546 PM EDT SUN JUN 18 2017

The National Weather Service in Buffalo has issued a

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

* Until 645 PM EDT.

* At 546 PM EDT, a severe thunderstorm was located over Jordan, or 8
  miles northeast of Auburn, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Minor damage to vehicles is possible. Expect wind damage 
           to trees and power lines. 

* Locations impacted include...
  Pulaski, Central Square, Redfield, Selkirk Shores State Park,
  Hastings, Volney, Richland and West Monroe.

This includes Interstate 81 between exits 32 and 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4323 7610 4324 7616 4327 7620 4327 7621
      4324 7621 4322 7619 4320 7622 4324 7626
      4324 7627 4322 7626 4320 7628 4322 7629
      4323 7631 4323 7645 4367 7609 4352 7576
TIME...MOT...LOC 2146Z 214DEG 29KT 4304 7648 

HAIL...1.00IN
WIND...60MPH
 
$$

Smith

2 follow-up statements

143 
WWUS51 KBUF 182217
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
617 PM EDT SUN JUN 18 2017

NYC075-182245-
/O.CON.KBUF.SV.W.0057.000000T0000Z-170618T2245Z/
Oswego NY-
617 PM EDT SUN JUN 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL OSWEGO COUNTY...

At 617 PM EDT, a severe thunderstorm was located near Central Square,
or 14 miles east of Fulton, moving northeast at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Minor damage to vehicles is possible. Expect wind damage to 
         trees and power lines. 

Locations impacted include...
Pulaski, Central Square, Redfield, Selkirk Shores State Park,
Hastings, Volney, Richland and West Monroe.

This includes Interstate 81 between exits 32 and 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4323 7610 4324 7616 4327 7620 4327 7621
      4324 7621 4322 7619 4320 7622 4324 7626
      4324 7627 4322 7626 4320 7628 4322 7629
      4323 7631 4323 7645 4367 7609 4352 7576
TIME...MOT...LOC 2217Z 220DEG 31KT 4337 7613 

HAIL...1.00IN
WIND...60MPH
 
$$

Smith

583 
WWUS51 KBUF 182235
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
635 PM EDT SUN JUN 18 2017

NYC075-182245-
/O.EXP.KBUF.SV.W.0057.000000T0000Z-170618T2245Z/
Oswego NY-
635 PM EDT SUN JUN 18 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OSWEGO COUNTY WILL
EXPIRE AT 645 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.

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

LAT...LON 4323 7610 4324 7616 4327 7620 4327 7621
      4324 7621 4322 7619 4320 7622 4324 7626
      4324 7627 4322 7626 4320 7628 4322 7629
      4323 7631 4323 7645 4367 7609 4352 7576
TIME...MOT...LOC 2235Z 214DEG 29KT 4349 7602 

$$

Smith

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 10:50 PM EDT	Flash Flood Watch	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Jefferson and 7 more	22 hr
Jun 18, 2:07 PM EDT	Special Weather Statement	BUF	Chautauqua	38 min
Jun 18, 2:14 PM EDT	Special Marine Warning	BUF		61 min
Jun 18, 2:23 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	37 min
Jun 18, 2:24 PM EDT	Special Marine Warning	BUF		66 min
Jun 18, 2:37 PM EDT	Special Weather Statement	BUF	Wayne	53 min
Jun 18, 2:41 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	49 min
Jun 18, 3:04 PM EDT	Special Marine Warning	BUF		86 min
Jun 18, 3:27 PM EDT	Special Marine Warning	BUF		63 min
Jun 18, 3:45 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	60 min
Jun 18, 3:53 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Erie, Wyoming	67 min
Jun 18, 4:05 PM EDT	Special Weather Statement	BUF	Oswego	40 min
Jun 18, 4:29 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Orleans	31 min
Jun 18, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	65 min
Jun 18, 4:49 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Wyoming	56 min
Jun 18, 4:53 PM EDT	Special Weather Statement	BUF	Lewis	67 min
Jun 18, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Wyoming	51 min
Jun 18, 5:14 PM EDT	Special Weather Statement	BUF	Lewis	61 min
Jun 18, 5:16 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	59 min
Jun 18, 5:19 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	56 min
Jun 18, 5:21 PM EDT	Special Marine Warning	BUF		54 min
Jun 18, 5:28 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Wyoming	47 min
Jun 18, 6:01 PM EDT	Special Marine Warning	BUF		59 min
Jun 18, 6:11 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	49 min
Jun 18, 6:30 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	45 min
Jun 18, 6:41 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	64 min
Jun 18, 6:44 PM EDT	Special Marine Warning	BUF		61 min
Jun 18, 7:02 PM EDT	Special Marine Warning	BUF		28 min
Jun 18, 7:13 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	62 min
Jun 18, 7:36 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	54 min

Nearby

Severe Thunderstorm Warnings in New York, 2017 Every 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.