Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Buffalo, NY

June 20, 2016Cayuga County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2016, 11:13 PM EDT for Cayuga County, Wayne County, New York. It was in force for 37 min. 2 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
Jun 20, 2016, 11:13 PM EDT (03:13 UTC)
Expired
Jun 20, 2016, 11:50 PM EDT
In force
37 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cayuga County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 103 km from the middle of the area, began a volume at 03:14 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
Jun 20, 11:22 PM EDTTSTM WND DMGClyde, NYTREES AND POWERLINES DOWN
Jun 20, 11:39 PM EDTTSTM WND DMGCato, NYTREES AND POWERLINES 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.

IssuedProductOfficeLasted
Jun 20, 8:06 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.2 hours before the alert went out and 170 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 00:00Z on 2016-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 874 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2016-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.19395878Sfc1 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
874 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1626 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

434 
WUUS51 KBUF 210313
SVRBUF
NYC011-117-210415-
/O.NEW.KBUF.SV.W.0021.160621T0313Z-160621T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1113 PM EDT MON JUN 20 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAYUGA COUNTY IN CENTRAL NEW YORK...
  SOUTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK...

* UNTIL 1215 AM EDT

* AT 1113 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LYONS...OR 16
  MILES NORTHWEST OF WATERLOO...MOVING EAST AT 50 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...
  NEWARK...LYONS...CLYDE...WEEDSPORT...CATO...ROSE...IRA AND CONQUEST. 

THIS INCLUDES INTERSTATE 90 NEAR EXIT 40.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4311 7649 4310 7650 4303 7649 4303 7671
      4302 7682 4306 7717 4320 7715 4326 7654
      4326 7651 4322 7648 4315 7647 4314 7649
      4311 7647
TIME...MOT...LOC 0313Z 267DEG 44KT 4312 7701 

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

HITCHCOCK
2 follow-up statements
823 
WWUS51 KBUF 210331 RRA
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1131 PM EDT MON JUN 20 2016

NYC011-117-210415-
/O.CON.KBUF.SV.W.0021.000000T0000Z-160621T0415Z/
CAYUGA NY-WAYNE NY-
1131 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR CAYUGA AND SOUTHEASTERN WAYNE COUNTIES...

AT 1131 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CATO...OR 14
MILES SOUTH OF FAIR HAVEN BEACH STATE PARK...MOVING EAST AT 50 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...
CLYDE...WEEDSPORT...CATO...IRA...CONQUEST...SAVANNAH...WOLCOTT AND PORT
BYRON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4311 7649 4310 7650 4303 7649 4303 7671
      4302 7684 4303 7687 4323 7684 4326 7654
      4326 7651 4322 7648 4315 7647 4314 7649
      4311 7647
TIME...MOT...LOC 0331Z 267DEG 44KT 4313 7670 

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

HITCHCOCK
515 
WWUS51 KBUF 210350
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1150 PM EDT MON JUN 20 2016

NYC011-117-210400-
/O.CAN.KBUF.SV.W.0021.000000T0000Z-160621T0415Z/
CAYUGA NY-WAYNE NY-
1150 PM EDT MON JUN 20 2016

...THE SEVERE THUNDERSTORM WARNING FOR CAYUGA AND SOUTHEASTERN WAYNE
COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT FOR
WESTERN NEW YORK.

LAT...LON 4311 7649 4310 7650 4303 7649 4303 7671
      4302 7684 4303 7687 4323 7684 4326 7654
      4326 7651 4322 7648 4315 7647 4314 7649
      4311 7647
TIME...MOT...LOC 0349Z 267DEG 44KT 4314 7637 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:57 PM EDTSpecial Marine WarningBUF93 min
Jun 20, 9:04 PM EDTSevere Thunderstorm WarningBUFJefferson56 min
Jun 20, 9:20 PM EDTSpecial Marine WarningBUF55 min
Jun 20, 9:26 PM EDTSpecial Weather StatementBUFErie34 min
Jun 20, 9:30 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Wyoming45 min
Jun 20, 9:43 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis62 min
Jun 20, 9:53 PM EDTSevere Thunderstorm WarningBUFJefferson37 min
Jun 20, 10:11 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Wyoming49 min
Jun 20, 10:26 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis64 min
Jun 20, 10:33 PM EDTSevere Thunderstorm WarningBUFOswego27 min
Jun 20, 10:36 PM EDTSpecial Marine WarningBUF39 min
Jun 20, 10:39 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming51 min
Jun 20, 10:53 PM EDTSevere Thunderstorm WarningBUFOswego52 min
Jun 20, 10:58 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming47 min
Jun 20, 11:20 PM EDTFlash Flood WarningBUFErie, Wyoming3 hr
Jun 20, 11:34 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming41 min
Jun 20, 11:43 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario23 min
Jun 21, 12:15 AM EDTSevere Thunderstorm WarningBUFAllegany30 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.