Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 11, NWS Buffalo, NY

June 1, 2018Cayuga County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 1, 2018, 2:16 PM EDT for Cayuga County, Wayne County, New York. It was in force for 44 min. 1 report 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 1, 2018, 2:16 PM EDT (18:16 UTC)
Expired: Jun 1, 2018, 3:00 PM EDT
In force: 44 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cayuga County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 102 km from the middle of the area, began a volume at 18:19 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

Time	Report	Where	Remark
Jun 1, 2:23 PM EDT	TSTM WND DMG	Cato, NY	TREES DOWN IN CATO

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.3 hours before the alert went out and 174 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: 372 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 917 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

712 
WUUS51 KBUF 011816
SVRBUF
NYC011-117-011900-
/O.NEW.KBUF.SV.W.0011.180601T1816Z-180601T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
216 PM EDT FRI JUN 1 2018

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wayne County in western New York...
  Cayuga County in central New York...

* Until 300 PM EDT..

* At 215 PM EDT, a severe thunderstorm was located near Montezuma, 
  or 10 miles north of Seneca Falls, moving east at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Clyde, Weedsport, Cato, Conquest, Savannah, Port Byron, Meridian
  and South Butler.

This includes Interstate 90 near exit 40.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Damaging winds and continuous cloud to ground lightning is occurring 
with this storm. Move indoors immediately. Lightning is one of 
nature's leading killers. Remember, if you can hear thunder, you are 
close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4311 7649 4310 7650 4303 7649 4303 7671
      4302 7687 4314 7689 4321 7648 4315 7647
      4314 7649 4313 7648 4311 7647
TIME...MOT...LOC 1813Z 261DEG 23KT 4307 7678 

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

Welch

1 follow-up statement

186 
WWUS51 KBUF 011851
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
251 PM EDT FRI JUN 1 2018

NYC011-117-011901-
/O.EXP.KBUF.SV.W.0011.000000T0000Z-180601T1900Z/
Wayne NY-Cayuga NY-
251 PM EDT FRI JUN 1 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE AND CAYUGA
COUNTIES WILL EXPIRE AT 300 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4311 7649 4310 7650 4303 7649 4303 7671
      4302 7687 4314 7689 4321 7648 4315 7647
      4314 7649 4313 7648 4311 7647
TIME...MOT...LOC 1851Z 261DEG 23KT 4311 7645 

$$

Welch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 1:10 PM EDT	Special Weather Statement	BUF	Wayne	50 min
Jun 1, 1:24 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	51 min
Jun 1, 2:07 PM EDT	Special Weather Statement	BUF	Cattaraugus	68 min
Jun 1, 2:13 PM EDT	Flash Flood Warning	BUF	Cayuga, Wayne	3 hr
Jun 1, 3:28 PM EDT	Special Marine Warning	BUF		76 min
Jun 1, 3:35 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	25 min
Jun 1, 3:53 PM EDT	Special Weather Statement	BUF	Allegany	22 min
Jun 1, 3:58 PM EDT	Flash Flood Warning	BUF	Cattaraugus, Chautauqua	3 hr
Jun 1, 4:11 PM EDT	Special Weather Statement	BUF	Livingston	34 min
Jun 1, 4:38 PM EDT	Special Weather Statement	BUF	Genesee	37 min
Jun 1, 4:55 PM EDT	Special Weather Statement	BUF	Ontario	65 min
Jun 1, 4:59 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario	61 min
Jun 1, 5:59 PM EDT	Flash Flood Warning	BUF	Lewis	3 hr
Jun 1, 6:39 PM EDT	Areal Flood Warning	BUF	Cattaraugus, Chautauqua	6 hr

Nearby

Severe Thunderstorm Warnings in New York, 2018 Every 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.