Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 112, NWS Buffalo, NY

August 22, 2017Cayuga County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 22, 2017, 2:05 PM EDT for Cayuga County, Lewis County, Oswego County, New York. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 22, 2017, 2:05 PM EDT (18:05 UTC)
Expired: Aug 22, 2017, 3:00 PM EDT
In force: 55 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cayuga County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 64 km from the middle of the area, began a volume at 18:07 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.

What was reported inside it

Time	Report	Where	Remark
Aug 22, 2:47 PM EDT	TSTM WND DMG	Parish, NY	TREES AND WIRES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 22, 12:23 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.1 hours before the alert went out and 196 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: 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.

090 
WUUS51 KBUF 221805
SVRBUF
NYC011-049-075-221900-
/O.NEW.KBUF.SV.W.0112.170822T1805Z-170822T1900Z/

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

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  South central Lewis County in central New York...
  Cayuga County in central New York...
  Southern Oswego County in central New York...

* Until 300 PM EDT.

* At 205 PM EDT, severe thunderstorms were located along a line
  extending from near Battle Island State Park to near Weedsport,
  moving east at 35 mph.

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

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Oswego, Fulton, Central Square, Weedsport, Cato, Battle Island
  State Park, Brewerton and Hastings.

This includes the following highways...
 Interstate 90 near exit 40.
 Interstate 81 between exits 32 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 4342 7555 4348 7581 4333 7589 4332 7586
      4315 7588 4320 7608 4327 7620 4322 7619
      4320 7621 4324 7627 4322 7626 4320 7627
      4323 7631 4323 7648 4303 7649 4303 7668
      4343 7653 4353 7550
TIME...MOT...LOC 1805Z 263DEG 31KT 4341 7646 4306 7662 

HAIL...0.75IN
WIND...60MPH
 
$$

Church

2 follow-up statements

011 
WWUS51 KBUF 221828
SVSBUF

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

NYC011-049-075-221900-
/O.CON.KBUF.SV.W.0112.000000T0000Z-170822T1900Z/
Lewis NY-Cayuga NY-Oswego NY-
228 PM EDT TUE AUG 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTH CENTRAL LEWIS...CAYUGA AND SOUTHERN OSWEGO COUNTIES...

At 227 PM EDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Nine Mile Point to Jordan, moving
east at 50 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Oswego, Fulton, Central Square, Weedsport, Cato, Battle Island State
Park, Brewerton and Hastings.

This includes the following highways...
 Interstate 90 near exit 40.
 Interstate 81 between exits 32 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 4342 7555 4348 7581 4333 7589 4332 7586
      4315 7588 4320 7608 4327 7620 4322 7619
      4320 7621 4324 7627 4322 7626 4320 7627
      4323 7631 4323 7648 4303 7649 4303 7668
      4343 7653 4353 7550
TIME...MOT...LOC 1827Z 257DEG 42KT 4344 7633 4309 7649 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

Church

940 
WWUS51 KBUF 221852
SVSBUF

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

NYC011-049-075-221901-
/O.EXP.KBUF.SV.W.0112.000000T0000Z-170822T1900Z/
Lewis NY-Cayuga NY-Oswego NY-
252 PM EDT TUE AUG 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LEWIS...CAYUGA
AND SOUTHERN OSWEGO COUNTIES WILL EXPIRE AT 300 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire. Remember, a Severe 
Thunderstorm Warning still remains in effect for far eastern 
Jefferson, eastern Oswego and all of Lewis county.

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

LAT...LON 4342 7555 4348 7581 4333 7589 4332 7586
      4315 7588 4320 7608 4327 7620 4322 7619
      4320 7621 4324 7627 4322 7626 4320 7627
      4323 7631 4323 7648 4303 7649 4303 7668
      4343 7653 4353 7550
TIME...MOT...LOC 1851Z 263DEG 31KT 4346 7605 4312 7621 

$$

Church

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 10:39 PM EDT	Beach Hazards Statement	BUF	Chautauqua, Erie, Jefferson	23 hr
Aug 22, 4:04 AM EDT	Wind Advisory	BUF	Erie, Genesee, Niagara, Orleans	13 hr
Aug 22, 4:09 AM EDT	Lakeshore Flood Warning	BUF	Cayuga, Jefferson, Oswego, Wayne	40 hr
Aug 22, 7:16 AM EDT	Special Weather Statement	BUF	Lewis	59 min
Aug 22, 9:51 AM EDT	Special Marine Warning	BUF		54 min
Aug 22, 12:05 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	55 min
Aug 22, 12:34 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more	56 min
Aug 22, 12:34 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	26 min
Aug 22, 12:42 PM EDT	Special Marine Warning	BUF		48 min
Aug 22, 12:44 PM EDT	Special Marine Warning	BUF		61 min
Aug 22, 12:55 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Genesee, Livingston, Wyoming	65 min
Aug 22, 1:13 PM EDT	Special Marine Warning	BUF		62 min
Aug 22, 1:23 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Monroe, Ontario, Oswego, Wayne	67 min
Aug 22, 1:27 PM EDT	Special Marine Warning	BUF		63 min
Aug 22, 1:42 PM EDT	Special Marine Warning	BUF		63 min
Aug 22, 1:53 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	67 min
Aug 22, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario, Wyoming	49 min
Aug 22, 2:12 PM EDT	Tornado Warning	BUF	Allegany, Livingston	33 min
Aug 22, 2:47 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	58 min
Aug 22, 2:48 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 1 more	57 min
Aug 22, 3:11 PM EDT	Tornado Warning	BUF	Lewis	34 min
Aug 22, 3:15 PM EDT	Tornado Warning	BUF	Lewis	30 min
Aug 22, 3:20 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston, Wyoming	55 min
Aug 22, 3:45 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wyoming	45 min
Aug 22, 4:28 PM EDT	Special Marine Warning	BUF		92 min
Aug 22, 4:29 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	19 min
Aug 22, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	35 min
Aug 22, 4:53 PM EDT	Special Weather Statement	BUF	Jefferson	67 min
Aug 22, 5:10 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	35 min
Aug 22, 5:28 PM EDT	Special Marine Warning	BUF		47 min
Aug 22, 5:29 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	61 min
Aug 22, 6:28 PM EDT	Special Marine Warning	BUF		32 min
Aug 22, 6:28 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	47 min
Aug 22, 7:00 PM EDT	Special Marine Warning	BUF		30 min
Aug 22, 7:13 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.