Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 64, NWS Buffalo, NY

September 9, 2015Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 9, 2015, 1:45 PM EDT for Lewis County, New York. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 9, 2015, 1:45 PM EDT (17:45 UTC)
Expired: Sep 9, 2015, 1:59 PM EDT
In force: 14 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 17:46 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.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.8 hours before the alert went out and 151 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: 11 J/kg
Mixed-layer CIN: -199 J/kg
Mixed-layer LCL: 1316 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 112 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.

767 
WUUS51 KBUF 091745
SVRBUF
NYC049-091815-
/O.NEW.KBUF.SV.W.0064.150909T1745Z-150909T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
145 PM EDT WED SEP 9 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LEWIS COUNTY IN CENTRAL NEW YORK...

* UNTIL 215 PM EDT

* AT 145 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED NEAR BOONVILLE...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PORT LEYDEN...CONSTABLEVILLE...WEST LEYDEN...MOHAWK HILL AND
  TALCOTTVILLE.

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.

THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A VERY
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.

&&

LAT...LON 4360 7514 4344 7549 4359 7548 4363 7511
      4361 7511
TIME...MOT...LOC 1745Z 267DEG 33KT 4349 7540 

$$

CHURCH

1 follow-up statement

880 
WWUS51 KBUF 091759
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
159 PM EDT WED SEP 9 2015

NYC049-091808-
/O.CAN.KBUF.SV.W.0064.000000T0000Z-150909T1815Z/
LEWIS NY-
159 PM EDT WED SEP 9 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEWIS COUNTY IS
CANCELLED...
                
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 HAS BEEN CANCELLED.

LAT...LON 4360 7514 4344 7549 4359 7548 4363 7511
      4361 7511
TIME...MOT...LOC 1756Z 267DEG 33KT 4350 7526 

$$

CHURCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 10:26 AM EDT	Special Weather Statement	BUF	Monroe	49 min
Sep 9, 10:36 AM EDT	Special Marine Warning	BUF		54 min
Sep 9, 11:19 AM EDT	Special Marine Warning	BUF		56 min
Sep 9, 11:43 AM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	62 min
Sep 9, 12:14 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Wyoming	46 min
Sep 9, 12:39 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	51 min
Sep 9, 12:43 PM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	62 min
Sep 9, 1:03 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario	42 min
Sep 9, 1:47 PM EDT	Special Weather Statement	BUF	Cattaraugus	43 min
Sep 9, 6:24 PM EDT	Small Craft Advisory	BUF		9 hr

Nearby

Severe Thunderstorm Warnings in New York, 2015 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.