Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 17, NWS Buffalo, NY

June 13, 2018Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 13, 2018, 6:51 PM EDT for Jefferson County, Lewis County, New York. It was in force for 54 min. 4 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 13, 2018, 6:51 PM EDT (22:51 UTC)
Expired
Jun 13, 2018, 7:45 PM EDT
In force
54 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 17 km from the middle of the area, began a volume at 22:54 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 13, 7:15 PM EDTTSTM WND DMG1 Nw Harrisville, NYROOF BLOWN OFF BUILDING ON HANDS FLAT RD
Jun 13, 7:15 PM EDTTSTM WND DMGHarrisville, NYSEVERAL TREES DOWN IN THE TOWN OF DIANA
Jun 13, 7:15 PM EDTTSTM WND DMGHarrisville, NYSEVERAL TREES DOWN AT INTERSECTION OF MAIN ST AND WILDER DR
Jun 13, 7:46 PM EDTTSTM WND DMGBeaver Falls, NYTREES AND WIRES 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 13, 4:06 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.9 hours before the alert went out and 194 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 2018-06-13Temperature 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, Albany, NY at 12:00Z on 2018-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.19395878Sfc1 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
1096 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

821 
WUUS51 KBUF 132251
SVRBUF
NYC045-049-132345-
/O.NEW.KBUF.SV.W.0017.180613T2251Z-180613T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
651 PM EDT WED JUN 13 2018

The National Weather Service in Buffalo has issued a

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

* Until 745 PM EDT..

* At 651 PM EDT, severe thunderstorms were located along a line
  extending from 8 miles east of Redwood to near Henderson Harbor,
  moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fort Drum, Carthage, Lowville, West Carthage, Herrings, Barnes
  Corners, Whetstone Gulf State Park and Denmark.

# 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4374 7603 4425 7551 4410 7517 4362 7511
TIME...MOT...LOC 2251Z 265DEG 54KT 4435 7565 4392 7618 

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

HSK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:14 PM EDTBeach Hazards StatementBUFChautauqua, Erie17 hr
Jun 12, 10:14 PM EDTSmall Craft AdvisoryBUF46 hr
Jun 13, 3:50 PM EDTSpecial Marine WarningBUF55 min
Jun 13, 4:26 PM EDTSevere Thunderstorm WarningBUFErie28 min
Jun 13, 4:39 PM EDTSpecial Marine WarningBUF66 min
Jun 13, 5:07 PM EDTSpecial Marine WarningBUF83 min
Jun 13, 5:11 PM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua64 min
Jun 13, 5:17 PM EDTSpecial Marine WarningBUF43 min
Jun 13, 5:32 PM EDTSpecial Marine WarningBUF118 min
Jun 13, 5:50 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming70 min
Jun 13, 5:57 PM EDTSevere Thunderstorm WarningBUFJefferson78 min
Jun 13, 6:20 PM EDTSpecial Marine WarningBUF55 min
Jun 13, 7:01 PM EDTSpecial Marine WarningBUF44 min
Jun 13, 7:43 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego62 min

Nearby

Severe Thunderstorm Warnings in New York, 2018Every severe thunderstorm warning in 2018

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.