Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 37, NWS Buffalo, NY

May 30, 2017Cayuga County, Oswego County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 30, 2017, 2:10 PM EDT for Cayuga County, Oswego County, Wayne County, New York. It was in force for 50 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
May 30, 2017, 2:10 PM EDT (18:10 UTC)
Expired
May 30, 2017, 3:00 PM EDT
In force
50 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cayuga County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 76 km from the middle of the area, began a volume at 18:15 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

TimeReportWhereRemark
May 30, 2:25 PM EDTHAIL 0.75Fair Haven, NYDIME-SIZED HAIL AT FAIR HAVEN STATE PARK

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.

IssuedProductOfficeLasted
May 30, 12:39 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.2 hours before the alert went out and 186 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 2017-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

561 
WUUS51 KBUF 301810
SVRBUF
NYC011-075-117-301900-
/O.NEW.KBUF.SV.W.0037.170530T1810Z-170530T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
210 PM EDT TUE MAY 30 2017

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wayne County in western New York...
  Cayuga County in central New York...
  West central Oswego County in central New York...

* Until 300 PM EDT.

* At 209 PM EDT, a severe thunderstorm was located near Chimney
  Bluffs State Park, or 11 miles southwest of Fair Haven Beach State
  Park, moving northeast at 45 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...
  Oswego, Fulton, Fair Haven Beach State Park, Nine Mile Point,
  Chimney Bluffs State Park, Mexico Point State Park, Battle Island
  State Park and Selkirk Shores State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4348 7612 4311 7684 4325 7700 4335 7686
      4335 7681 4339 7673 4345 7665 4351 7653
      4356 7645 4357 7636 4356 7630 4357 7628
      4360 7626
TIME...MOT...LOC 1809Z 230DEG 38KT 4323 7685 

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

Wood
2 follow-up statements
204 
WWUS51 KBUF 301840
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
240 PM EDT TUE MAY 30 2017

NYC117-301849-
/O.CAN.KBUF.SV.W.0037.000000T0000Z-170530T1900Z/
Wayne NY-
240 PM EDT TUE MAY 30 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM EDT for
central New York.

LAT...LON 4348 7612 4325 7657 4339 7673 4340 7672
      4345 7665 4351 7651 4356 7645 4357 7636
      4356 7631 4357 7628 4360 7626
TIME...MOT...LOC 1839Z 230DEG 38KT 4336 7664 

$$

NYC011-075-301900-
/O.CON.KBUF.SV.W.0037.000000T0000Z-170530T1900Z/
Cayuga NY-Oswego NY-
240 PM EDT TUE MAY 30 2017

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

At 239 PM EDT, a severe thunderstorm was located over Fair Haven
Beach State Park, moving northeast at 45 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...
Oswego, Fulton, Fair Haven Beach State Park, Nine Mile Point, Mexico
Point State Park, Battle Island State Park, Selkirk Shores State Park
and Scriba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4348 7612 4325 7657 4339 7673 4340 7672
      4345 7665 4351 7651 4356 7645 4357 7636
      4356 7631 4357 7628 4360 7626
TIME...MOT...LOC 1839Z 230DEG 38KT 4336 7664 

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

Smith
422 
WWUS51 KBUF 301854
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
254 PM EDT TUE MAY 30 2017

NYC011-075-301903-
/O.EXP.KBUF.SV.W.0037.000000T0000Z-170530T1900Z/
Cayuga NY-Oswego NY-
254 PM EDT TUE MAY 30 2017

...THE SEVERE THUNDERSTORM WARNING FOR FAR NORTHERN CAYUGA AND WEST 
CENTRAL OSWEGO
COUNTIES WILL EXPIRE AT 300 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 800 PM EDT for
central New York.

LAT...LON 4348 7612 4325 7657 4339 7673 4340 7672
      4345 7665 4351 7651 4356 7645 4357 7636
      4356 7631 4357 7628 4360 7626
TIME...MOT...LOC 1853Z 230DEG 38KT 4344 7651 

$$

Smith

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 1:14 AM EDTSpecial Marine WarningBUF61 min
May 30, 1:52 AM EDTSpecial Marine WarningBUF83 min
May 30, 1:05 PM EDTSpecial Weather StatementBUFAllegany25 min
May 30, 1:17 PM EDTSpecial Weather StatementBUFWayne28 min
May 30, 1:18 PM EDTSpecial Weather StatementBUFOntario27 min
May 30, 1:22 PM EDTSpecial Weather StatementBUFOntario23 min
May 30, 1:32 PM EDTSpecial Marine WarningBUF43 min
May 30, 1:34 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming30 min
May 30, 1:41 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Wayne49 min
May 30, 1:54 PM EDTSpecial Weather StatementBUFJefferson36 min
May 30, 2:03 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston27 min
May 30, 2:10 PM EDTSpecial Marine WarningBUF65 min
May 30, 2:21 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Wayne54 min
May 30, 3:13 PM EDTSpecial Weather StatementBUFOntario32 min
May 30, 4:23 PM EDTSpecial Weather StatementBUFOnondaga22 min
May 30, 4:41 PM EDTSpecial Weather StatementBUFLewis49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.