Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 86, NWS Buffalo, NY

October 17, 2016Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Oct 17, 2016, 6:55 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 65 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
Oct 17, 2016, 6:55 PM EDT (22:55 UTC)
Expired
Oct 17, 2016, 8:00 PM EDT
In force
65 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 38 km from the middle of the area, began a volume at 22:59 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, 10.9 hours before the alert went out and 223 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, Albany, NY at 12:00Z on 2016-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Albany, NY at 12:00Z on 2016-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
637 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
68 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.

627 
WUUS51 KBUF 172255
SVRBUF
NYC045-049-075-180000-
/O.NEW.KBUF.SV.W.0086.161017T2255Z-161018T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
655 PM EDT MON OCT 17 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN LEWIS COUNTY IN CENTRAL NEW YORK...
  SOUTHWESTERN JEFFERSON COUNTY IN CENTRAL NEW YORK...
  NORTHEASTERN OSWEGO COUNTY IN CENTRAL NEW YORK...

* UNTIL 800 PM EDT.

* AT 654 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES WEST OF
  STONY POINT...OR 23 MILES NORTHWEST OF SANDY ISLAND BEACH STATE
  PARK...MOVING EAST AT 55 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS POSSIBLE TO
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  SANDY ISLAND BEACH STATE PARK...STONY POINT...LOWVILLE...PULASKI...
  ADAMS...REDFIELD...HIGHMARKET AND BARNES CORNERS.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 37 AND 43.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4343 7550 4342 7552 4361 7626 4369 7626
      4378 7629 4383 7636 4387 7635 4384 7645
      4385 7649 4387 7650 4390 7650 4396 7644
      4396 7634 4399 7635 4376 7530
TIME...MOT...LOC 2254Z 285DEG 47KT 4387 7652 

HAIL...<.75IN
WIND...70MPH
 
$$

WOOD
2 follow-up statements
357 
WWUS51 KBUF 172328
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
728 PM EDT MON OCT 17 2016

NYC045-049-075-180000-
/O.CON.KBUF.SV.W.0086.000000T0000Z-161018T0000Z/
LEWIS NY-JEFFERSON NY-OSWEGO NY-
728 PM EDT MON OCT 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHWESTERN LEWIS...SOUTH CENTRAL JEFFERSON AND NORTHEASTERN
OSWEGO COUNTIES...

AT 727 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ADAMS...OR 14
MILES NORTHEAST OF SANDY ISLAND BEACH STATE PARK...MOVING EAST AT 55
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SANDY ISLAND BEACH STATE PARK...LOWVILLE...PULASKI...ADAMS...
REDFIELD...HIGHMARKET...BARNES CORNERS AND SOUTHWICK BEACH STATE
PARK.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 37 AND 43.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4344 7550 4342 7553 4361 7626 4369 7626
      4377 7625 4395 7617 4376 7530
TIME...MOT...LOC 2327Z 285DEG 47KT 4376 7596 

HAIL...<.75IN
WIND...60MPH
 
$$

WOOD
376 
WWUS51 KBUF 172356
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
756 PM EDT MON OCT 17 2016

NYC045-049-075-180004-
/O.EXP.KBUF.SV.W.0086.000000T0000Z-161018T0000Z/
LEWIS NY-JEFFERSON NY-OSWEGO NY-
756 PM EDT MON OCT 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LEWIS...SOUTH
CENTRAL JEFFERSON AND NORTHEASTERN OSWEGO COUNTIES WILL EXPIRE AT 800
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.

LAT...LON 4344 7550 4342 7553 4361 7626 4369 7626
      4377 7625 4395 7617 4376 7530
TIME...MOT...LOC 2354Z 285DEG 47KT 4391 7583 

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 6:49 AM EDTSmall Craft AdvisoryBUF40 hr
Oct 17, 1:21 PM EDTWind AdvisoryBUFChautauqua, Erie, Genesee, Jefferson, Monroe, Niagara and 2 more30 hr
Oct 17, 6:07 PM EDTSpecial Marine WarningBUF83 min
Oct 17, 6:34 PM EDTSpecial Marine WarningBUF86 min
Oct 17, 6:42 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis63 min
Oct 17, 7:26 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego64 min
Oct 17, 7:31 PM EDTSpecial Marine WarningBUF44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.