Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 113, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 22, 2017, 2:47 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 58 min. 11 reports 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, 2:47 PM EDT (18:47 UTC)
Expired: Aug 22, 2017, 3:45 PM EDT
In force: 58 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 41 km from the middle of the area, began a volume at 18:50 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
Aug 22, 2:50 PM EDT	TSTM WND DMG	Redfield, NY	TREES AND WIRES DOWN
Aug 22, 2:52 PM EDT	TSTM WND DMG	Altmar, NY	TREES AND WIRES DOWN
Aug 22, 2:53 PM EDT	TSTM WND DMG	Orwell, NY	TREES AND WIRES DOWN
Aug 22, 3:10 PM EDT	TSTM WND DMG	2 Ne Osceola, NY	TREE FELL ON A HOUSE
Aug 22, 3:12 PM EDT	TSTM WND DMG	2 Ene Osceola, NY	TREE FELL ON CAR ON OSCEOLA ROAD
Aug 22, 3:27 PM EDT	TSTM WND DMG	4 Sw Turin, NY	TREES AND WIRES DOWN
Aug 22, 3:29 PM EDT	TSTM WND DMG	Turin, NY	TREES AND WIRES DOWN
Aug 22, 3:29 PM EDT	TSTM WND DMG	Watson, NY	TREES AND WIRES DOWN
Aug 22, 3:30 PM EDT	TSTM WND DMG	1 N Talcottville, NY	TREES AND WIRES DOWN
Aug 22, 3:37 PM EDT	TSTM WND DMG	Lyonsdale, 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, 6.8 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-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.

580 
WUUS51 KBUF 221847
SVRBUF
NYC045-049-075-221945-
/O.NEW.KBUF.SV.W.0113.170822T1847Z-170822T1945Z/

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

The National Weather Service in Buffalo has issued a

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

* Until 345 PM EDT.

* At 246 PM EDT, severe thunderstorms were located along a line
  extending from 7 miles south of Fowler to 6 miles southeast of
  Fulton, moving east at 45 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...
  Carthage, Lowville, West Carthage, Central Square, Redfield,
  Highmarket, Whetstone Gulf State Park and Brewerton.

This includes 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 7553 4348 7581 4333 7589 4332 7586
      4315 7588 4320 7608 4327 7620 4320 7621
      4324 7627 4322 7626 4321 7626 4323 7638
      4421 7542 4410 7517 4361 7511
TIME...MOT...LOC 1846Z 256DEG 34KT 4416 7538 4327 7630 

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

Church

2 follow-up statements

922 
WWUS51 KBUF 221918
SVSBUF

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

NYC045-221928-
/O.CAN.KBUF.SV.W.0113.000000T0000Z-170822T1945Z/
Jefferson NY-
318 PM EDT TUE AUG 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 4342 7553 4348 7581 4333 7589 4331 7586
      4316 7588 4320 7608 4323 7610 4327 7620
      4369 7580 4369 7577 4371 7578 4417 7533
      4416 7532 4410 7517 4361 7511
TIME...MOT...LOC 1918Z 256DEG 34KT 4423 7499 4334 7591 

$$

NYC049-075-221945-
/O.CON.KBUF.SV.W.0113.000000T0000Z-170822T1945Z/
Lewis NY-Oswego NY-
318 PM EDT TUE AUG 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR LEWIS AND EASTERN OSWEGO COUNTIES...

At 318 PM EDT, severe thunderstorms were located along a line
extending from near Star Lake to 8 miles west of Camden, moving east
at 40 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...
Lowville, Central Square, Redfield, Highmarket, Whetstone Gulf State
Park, Constantia, West Monroe and Denmark.

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 these storms, 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 4342 7553 4348 7581 4333 7589 4331 7586
      4316 7588 4320 7608 4323 7610 4327 7620
      4369 7580 4369 7577 4371 7578 4417 7533
      4416 7532 4410 7517 4361 7511
TIME...MOT...LOC 1918Z 256DEG 34KT 4423 7499 4334 7591 

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

Church

111 
WWUS51 KBUF 221945
SVSBUF

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

NYC049-075-221953-
/O.EXP.KBUF.SV.W.0113.000000T0000Z-170822T1945Z/
Lewis NY-Oswego NY-
345 PM EDT TUE AUG 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR LEWIS AND EASTERN OSWEGO
COUNTIES WILL EXPIRE AT 345 PM EDT...
    
The storms which prompted the warning have 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 4342 7553 4348 7581 4333 7589 4331 7586
      4316 7588 4320 7608 4323 7610 4327 7620
      4369 7580 4369 7577 4371 7578 4417 7533
      4416 7532 4410 7517 4361 7511
TIME...MOT...LOC 1943Z 256DEG 34KT 4429 7467 4340 7560 

$$

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, 2:05 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Lewis, Oswego	55 min
Aug 22, 2:12 PM EDT	Tornado Warning	BUF	Allegany, Livingston	33 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.