Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 55, NWS Buffalo, NY

August 10, 2015Cayuga County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 10, 2015, 5:22 PM EDT for Cayuga County, Wayne County, New York. It was in force for 53 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 10, 2015, 5:22 PM EDT (21:22 UTC)
Expired
Aug 10, 2015, 6:15 PM EDT
In force
53 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cayuga County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 119 km from the middle of the area, began a volume at 21:22 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
Aug 10, 5:29 PM EDTTSTM WND DMGClyde, NYMULTIPLE TREE REPORTED DOWN.

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.4 hours before the alert went out and 154 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 2015-08-10Temperature 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 2015-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
1535 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

950 
WUUS51 KBUF 102122
SVRBUF
NYC011-117-102215-
/O.NEW.KBUF.SV.W.0055.150810T2122Z-150810T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
522 PM EDT MON AUG 10 2015

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 615 PM EDT

* AT 521 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED NEAR LYONS...OR 12 MILES NORTH OF
  WATERLOO...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LYONS...CLYDE...ROSE...SAVANNAH...PORT BYRON AND SOUTH BUTLER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4312 7700 4322 7668 4303 7663 4303 7671
      4302 7676 4302 7696
TIME...MOT...LOC 2121Z 257DEG 13KT 4307 7694 

$$

APFFEL
2 follow-up statements
326 
WWUS51 KBUF 102140
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
540 PM EDT MON AUG 10 2015

NYC011-117-102215-
/O.CON.KBUF.SV.W.0055.000000T0000Z-150810T2215Z/
CAYUGA NY-WAYNE NY-
540 PM EDT MON AUG 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR CAYUGA AND SOUTHEASTERN WAYNE COUNTIES...

AT 539 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED OVER CLYDE...OR 12 MILES NORTH OF SENECA
FALLS...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
CLYDE...SAVANNAH...PORT BYRON AND SOUTH BUTLER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4313 7692 4322 7668 4303 7663 4303 7671
      4302 7676 4302 7689
TIME...MOT...LOC 2139Z 257DEG 13KT 4309 7685 

$$

APFFEL
502 
WWUS51 KBUF 102206
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
606 PM EDT MON AUG 10 2015

NYC011-117-102215-
/O.EXP.KBUF.SV.W.0055.000000T0000Z-150810T2215Z/
CAYUGA NY-WAYNE NY-
606 PM EDT MON AUG 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR CAYUGA AND SOUTHEASTERN WAYNE
COUNTIES WILL EXPIRE AT 615 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4313 7692 4322 7668 4303 7663 4303 7671
      4302 7676 4302 7689
TIME...MOT...LOC 2204Z 257DEG 13KT 4309 7685 

$$

APFFEL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 3:08 PM EDTFlash Flood WarningBUFWayne6 hr
Aug 10, 3:24 PM EDTSpecial Weather StatementBUFLewis51 min
Aug 10, 3:56 PM EDTSpecial Weather StatementBUFMonroe49 min
Aug 10, 4:31 PM EDTSpecial Marine WarningBUF59 min
Aug 10, 4:43 PM EDTSpecial Weather StatementBUFWayne47 min
Aug 10, 5:15 PM EDTSpecial Marine WarningBUF60 min
Aug 10, 5:15 PM EDTSpecial Weather StatementBUFWyoming45 min
Aug 10, 5:17 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Wyoming43 min
Aug 10, 6:01 PM EDTFlash Flood WarningBUFErie, Genesee, Wyoming3 hr
Aug 10, 6:16 PM EDTFlash Flood WarningBUFWayne3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015

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.