Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 54, NWS Buffalo, NY

June 18, 2017Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 18, 2017, 5:16 PM EDT for Lewis County, New York. It was in force for 59 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 18, 2017, 5:16 PM EDT (21:16 UTC)
Expired
Jun 18, 2017, 6:15 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 15 km from the middle of the area, began a volume at 21:15 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 18, 5:40 PM EDTTSTM WND DMGCroghan, NYTREE AND PHONE LINE DOWN ON GEORGE STREET
Jun 18, 6:10 PM EDTTSTM WND DMG8 Ese Lowville, NYTREES 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 18, 1:37 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.3 hours before the alert went out and 178 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 2017-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2017-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
18 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

234 
WUUS51 KBUF 182116
SVRBUF
NYC049-182215-
/O.NEW.KBUF.SV.W.0054.170618T2116Z-170618T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
516 PM EDT SUN JUN 18 2017

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Central Lewis County in central New York...

* Until 615 PM EDT.

* At 516 PM EDT, a severe thunderstorm was located 7 miles east of
  Redfield, or 16 miles north of Camden, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Minor damage to vehicles is possible. Expect wind damage 
           to trees and power lines. 

* Locations impacted include...
  Lowville, Whetstone Gulf State Park, New Bremen, Watson,
  Martinsburg, Croghan, Belfort and North Osceola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4351 7569 4356 7576 4361 7577 4410 7520
      4408 7517 4381 7514
TIME...MOT...LOC 2116Z 225DEG 31KT 4357 7569 

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

Smith
2 follow-up statements
548 
WWUS51 KBUF 182142 RRA
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
542 PM EDT SUN JUN 18 2017

NYC049-182215-
/O.CON.KBUF.SV.W.0054.000000T0000Z-170618T2215Z/
Lewis NY-
542 PM EDT SUN JUN 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHEASTERN LEWIS COUNTY...

At 542 PM EDT, a severe thunderstorm was located near Lowville, or 22
miles northwest of Old Forge, moving northeast at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Minor damage to vehicles is possible. Expect wind damage to 
         trees and power lines. 

Locations impacted include...
Lowville, Whetstone Gulf State Park, New Bremen, Watson, Martinsburg,
Croghan, Belfort and Soft Maple Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4365 7543 4377 7558 4410 7520 4408 7517
      4381 7514
TIME...MOT...LOC 2142Z 233DEG 31KT 4384 7538 

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

Smith
435 
WWUS51 KBUF 182211 RRA
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
611 PM EDT SUN JUN 18 2017

NYC049-182221-
/O.EXP.KBUF.SV.W.0054.000000T0000Z-170618T2215Z/
Lewis NY-
611 PM EDT SUN JUN 18 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEWIS COUNTY WILL
EXPIRE AT 615 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 900 PM EDT for
central New York.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.

LAT...LON 4365 7543 4377 7558 4410 7520 4408 7517
      4381 7514
TIME...MOT...LOC 2211Z 225DEG 31KT 4401 7514 

$$

Smith

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 10:50 PM EDTFlash Flood WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Jefferson and 7 more22 hr
Jun 18, 2:07 PM EDTSpecial Weather StatementBUFChautauqua38 min
Jun 18, 2:14 PM EDTSpecial Marine WarningBUF61 min
Jun 18, 2:23 PM EDTSevere Thunderstorm WarningBUFChautauqua37 min
Jun 18, 2:24 PM EDTSpecial Marine WarningBUF66 min
Jun 18, 2:37 PM EDTSpecial Weather StatementBUFWayne53 min
Jun 18, 2:41 PM EDTSevere Thunderstorm WarningBUFChautauqua49 min
Jun 18, 3:04 PM EDTSpecial Marine WarningBUF86 min
Jun 18, 3:27 PM EDTSpecial Marine WarningBUF63 min
Jun 18, 3:45 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua60 min
Jun 18, 3:53 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie, Wyoming67 min
Jun 18, 4:05 PM EDTSpecial Weather StatementBUFOswego40 min
Jun 18, 4:29 PM EDTSevere Thunderstorm WarningBUFGenesee, Orleans31 min
Jun 18, 4:40 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus65 min
Jun 18, 4:49 PM EDTSevere Thunderstorm WarningBUFLivingston, Wyoming56 min
Jun 18, 4:53 PM EDTSpecial Weather StatementBUFLewis67 min
Jun 18, 4:54 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Wyoming51 min
Jun 18, 5:14 PM EDTSpecial Weather StatementBUFLewis61 min
Jun 18, 5:19 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wayne56 min
Jun 18, 5:21 PM EDTSpecial Marine WarningBUF54 min
Jun 18, 5:28 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Wyoming47 min
Jun 18, 5:46 PM EDTSevere Thunderstorm WarningBUFOswego59 min
Jun 18, 6:01 PM EDTSpecial Marine WarningBUF59 min
Jun 18, 6:11 PM EDTSevere Thunderstorm WarningBUFOntario, Wayne49 min
Jun 18, 6:30 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego45 min
Jun 18, 6:41 PM EDTSevere Thunderstorm WarningBUFChautauqua64 min
Jun 18, 6:44 PM EDTSpecial Marine WarningBUF61 min
Jun 18, 7:02 PM EDTSpecial Marine WarningBUF28 min
Jun 18, 7:13 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego62 min
Jun 18, 7:36 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua54 min

Nearby

Severe Thunderstorm Warnings in New York, 2017Every severe thunderstorm warning in 2017

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.