Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 33, NWS Buffalo, NY

July 18, 2016Cayuga County, Oswego County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 18, 2016, 12:12 PM EDT for Cayuga County, Oswego County, Wayne County, New York. It was in force for 63 min. 5 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
Jul 18, 2016, 12:12 PM EDT (16:12 UTC)
Expired
Jul 18, 2016, 1:15 PM EDT
In force
63 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), 74 km from the middle of the area, began a volume at 16:12 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.

What was reported inside it

TimeReportWhereRemark
Jul 18, 12:21 PM EDTTSTM WND DMGSterling, NYTREES DOWN ACROSS ROAD
Jul 18, 12:24 PM EDTTSTM WND DMGRed Creek, NYWIRES DOWN.
Jul 18, 12:35 PM EDTHAIL 0.75Hannibal, NY
Jul 18, 12:35 PM EDTHAIL 1Hannibal, NY
Jul 18, 12:53 PM EDTHAIL 13 Nne Phoenix, NYNICKEL AND QUARTER SIZED HAIL

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
Jul 18, 11:12 AM EDTSevere Thunderstorm WatchSPC9 hr
Jul 18, 12:05 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.2 hours before the alert went out and 200 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 2016-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 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, Buffalo Intl Airport, NY at 12:00Z on 2016-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
1403 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
1.8
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted.

384 
WUUS51 KBUF 181612
SVRBUF
NYC011-075-117-181715-
/O.NEW.KBUF.SV.W.0033.160718T1612Z-160718T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1212 PM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN OSWEGO COUNTY IN CENTRAL NEW YORK...
  CAYUGA COUNTY IN CENTRAL NEW YORK...
  NORTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK...

* UNTIL 115 PM EDT

* AT 1210 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CHIMNEY
  BLUFFS STATE PARK...OR 7 MILES WEST OF FAIR HAVEN BEACH STATE
  PARK... MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FULTON...FAIR HAVEN BEACH STATE PARK...CENTRAL SQUARE...CATO...
  BATTLE ISLAND STATE PARK...CHIMNEY BLUFFS STATE PARK...
  VOLNEY AND CONSTANTIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND 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.

IF ON OR NEAR LAKE ONTARIO OR ONEIDA LAKE...GET AWAY FROM THE WATER
AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN
STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO
SAFE SHELTER NOW! DO NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4316 7588 4320 7608 4323 7610 4327 7620
      4324 7621 4322 7619 4320 7622 4324 7626
      4324 7627 4320 7627 4323 7631 4323 7648
      4316 7648 4323 7695 4332 7697 4335 7681
      4341 7671 4334 7588 4333 7589 4332 7586
TIME...MOT...LOC 1610Z 278DEG 39KT 4331 7684 

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

ZAFF
2 follow-up statements
838 
WWUS51 KBUF 181644
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1244 PM EDT MON JUL 18 2016

NYC011-117-181652-
/O.CAN.KBUF.SV.W.0033.000000T0000Z-160718T1715Z/
CAYUGA NY-WAYNE NY-
1244 PM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR CAYUGA AND NORTHEASTERN WAYNE
COUNTIES 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. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM EDT FOR CENTRAL NEW YORK.

LAT...LON 4316 7588 4319 7603 4320 7604 4320 7608
      4323 7610 4327 7620 4324 7621 4322 7619
      4320 7622 4324 7626 4324 7627 4320 7627
      4323 7631 4323 7648 4325 7648 4326 7651
      4333 7650 4335 7647 4330 7587
TIME...MOT...LOC 1642Z 278DEG 36KT 4326 7643 

$$

NYC075-181715-
/O.CON.KBUF.SV.W.0033.000000T0000Z-160718T1715Z/
OSWEGO NY-
1244 PM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR SOUTHERN OSWEGO COUNTY...

AT 1242 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LYSANDER...OR
NEAR FULTON...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
FULTON...CENTRAL SQUARE...CONSTANTIA...WEST MONROE...PHOENIX...
CLEVELAND...SAND RIDGE AND HINMANSVILLE.

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.

IF ON OR NEAR ONEIDA LAKE...GET AWAY FROM THE WATER AND MOVE INDOORS
OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES
FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW! DO
NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4316 7588 4319 7603 4320 7604 4320 7608
      4323 7610 4327 7620 4324 7621 4322 7619
      4320 7622 4324 7626 4324 7627 4320 7627
      4323 7631 4323 7648 4325 7648 4326 7651
      4333 7650 4335 7647 4330 7587
TIME...MOT...LOC 1642Z 278DEG 36KT 4326 7643 

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

ZAFF
857 
WWUS51 KBUF 181716
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
116 PM EDT MON JUL 18 2016

NYC075-181726-
/O.EXP.KBUF.SV.W.0033.000000T0000Z-160718T1715Z/
OSWEGO NY-
116 PM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OSWEGO COUNTY HAS
EXPIRED...
                
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 HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM EDT FOR CENTRAL NEW YORK.

LAT...LON 4316 7588 4319 7603 4320 7604 4320 7608
      4323 7610 4327 7620 4324 7621 4322 7619
      4320 7622 4324 7626 4324 7627 4320 7627
      4323 7631 4323 7648 4325 7648 4326 7651
      4333 7650 4335 7647 4330 7587
TIME...MOT...LOC 1712Z 278DEG 39KT 4326 7643 

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 4:16 AM EDTSpecial Marine WarningBUF59 min
Jul 18, 4:20 AM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Oswego, Wayne18 hr
Jul 18, 5:10 AM EDTSevere Thunderstorm WarningBUFErie, Livingston, Wyoming53 min
Jul 18, 5:15 AM EDTSevere Thunderstorm WarningBUFGenesee, Monroe, Orleans43 min
Jul 18, 9:58 AM EDTSpecial Weather StatementBUFAllegany32 min
Jul 18, 10:07 AM EDTSpecial Weather StatementBUFYates23 min
Jul 18, 10:48 AM EDTSpecial Marine WarningBUF27 min
Jul 18, 11:03 AM EDTSpecial Marine WarningBUF87 min
Jul 18, 11:12 AM EDTSpecial Weather StatementBUFOntario33 min
Jul 18, 11:51 AM EDTSpecial Weather StatementBUFGenesee39 min
Jul 18, 12:05 PM EDTSpecial Marine WarningBUF40 min
Jul 18, 1:00 PM EDTSevere Thunderstorm WarningBUFMonroe, Wayne60 min
Jul 18, 2:24 PM EDTSpecial Weather StatementBUFJefferson36 min
Jul 18, 2:44 PM EDTSpecial Weather StatementBUFMonroe31 min

Nearby

Severe Thunderstorm Warnings in New York, 2016Every severe thunderstorm warning in 2016

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.