Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 87, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Oct 17, 2016, 7:26 PM EDT for Lewis County, Oswego County, New York. It was in force for 64 min. 3 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
Oct 17, 2016, 7:26 PM EDT (23:26 UTC)
Expired
Oct 17, 2016, 8:30 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 51 km from the middle of the area, began a volume at 23:26 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
Oct 17, 7:57 PM EDTTSTM WND DMGParish, NYTREE BLOCKING ROADWAY.
Oct 17, 7:59 PM EDTTSTM WND DMG2 Sw Altmar, NYTREE BLOCKING ROADWAY NEAR INTERSECTION OF BARBER ROAD AND ELDRED ROAD.
Oct 17, 8:03 PM EDTTSTM WND DMG3 Se Altmar, NYTREE BLOCKING ROADWAY NEAR INTERSECTION OF STATE ROUTE 13 AND LAKE WOOD ROAD.

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.4 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, 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.

251 
WUUS51 KBUF 172326
SVRBUF
NYC049-075-180030-
/O.NEW.KBUF.SV.W.0087.161017T2326Z-161018T0030Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 830 PM EDT.

* AT 725 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NINE MILE
  POINT...OR 8 MILES NORTH OF OSWEGO...MOVING SOUTHEAST AT 30 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...PULASKI...CENTRAL SQUARE...SELKIRK
  SHORES STATE PARK...MEXICO POINT STATE PARK...NINE MILE POINT...
  HASTINGS AND SCRIBA.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 32 AND 36.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4348 7581 4333 7589 4332 7586 4328 7587
      4319 7602 4320 7604 4320 7608 4323 7610
      4327 7621 4352 7650 4356 7645 4357 7636
      4356 7631 4356 7628 4367 7626 4344 7561
TIME...MOT...LOC 2325Z 324DEG 26KT 4358 7645 

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

WOOD
2 follow-up statements
310 
WWUS51 KBUF 180017
SVSBUF

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

NYC049-075-180030-
/O.CON.KBUF.SV.W.0087.000000T0000Z-161018T0030Z/
LEWIS NY-OSWEGO NY-
817 PM EDT MON OCT 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHERN LEWIS AND SOUTHEASTERN OSWEGO COUNTIES...

AT 816 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CENTRAL
SQUARE...OR 12 MILES NORTHEAST OF BALDWINSVILLE...MOVING SOUTHEAST AT
30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
CENTRAL SQUARE...HASTINGS...CONSTANTIA...WEST MONROE...PALERMO...
WILLIAMSTOWN...PARISH AND ALTMAR.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 32 AND 34.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4348 7581 4333 7589 4332 7586 4328 7587
      4319 7602 4320 7604 4320 7608 4323 7610
      4327 7621 4338 7634 4347 7616 4356 7594
      4344 7561
TIME...MOT...LOC 0016Z 324DEG 26KT 4329 7616 

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

WOOD
517 
WWUS51 KBUF 180026
SVSBUF

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

NYC049-075-180035-
/O.EXP.KBUF.SV.W.0087.000000T0000Z-161018T0030Z/
LEWIS NY-OSWEGO NY-
826 PM EDT MON OCT 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LEWIS AND
SOUTHEASTERN OSWEGO COUNTIES WILL EXPIRE AT 830 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAS EXITED THE WARNED AREA. THEREFORE...THE WARNING WILL
BE ALLOWED TO EXPIRE.

LAT...LON 4348 7581 4333 7589 4332 7586 4328 7587
      4319 7602 4320 7604 4320 7608 4323 7610
      4327 7621 4338 7634 4347 7616 4356 7594
      4344 7561
TIME...MOT...LOC 0025Z 324DEG 26KT 4324 7611 

$$

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, 6:55 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego65 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.