Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 85, NWS Buffalo, NY

September 2, 2013Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 2, 2013, 11:52 AM EDT for Chautauqua County, New York. It was in force for 23 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: Sep 2, 2013, 11:52 AM EDT (15:52 UTC)
Expired: Sep 2, 2013, 12:15 PM EDT
In force: 23 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 103 km from the middle of the area, began a volume at 15:54 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

Time	Report	Where	Remark
Sep 2, 12:25 PM EDT	HAIL 1	Chautauqua, NY	ESTIMATED QUARTER SIZED HAIL AT THE CHAUTAUQUA INSTITUTION

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, 3.9 hours before the alert went out and 104 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: 1277 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 650 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

591 
WUUS51 KBUF 021552
SVRBUF
NYC013-021615-
/O.NEW.KBUF.SV.W.0085.130902T1552Z-130902T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1152 AM EDT MON SEP 2 2013

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 1215 PM EDT

* AT 1149 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  NORTHWEST OF WESTFIELD...OR 20 MILES WEST OF FREDONIA...AND MOVING
  EAST AT 20 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  WESTFIELD...
  RIPLEY...
  MAYVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR LAKE ERIE...GET OUT OF THE WATER AND MOVE INDOORS OR 
INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES 
FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE 
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. 
DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM!

&&

LAT...LON 4229 7974 4239 7953 4235 7935 4216 7943
      4226 7977 4227 7976
TIME...MOT...LOC 1552Z 288DEG 18KT 4237 7969

$$

WOOD

1 follow-up statement

235 
WWUS51 KBUF 021605
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1205 PM EDT MON SEP 2 2013

NYC013-021615-
/O.CON.KBUF.SV.W.0085.000000T0000Z-130902T1615Z/
CHAUTAUQUA NY-
1205 PM EDT MON SEP 2 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR CENTRAL CHAUTAUQUA COUNTY...

AT 1203 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR BARCELONA...OR 16 MILES WEST OF
FREDONIA...MOVING EAST AT 20 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  BARCELONA...
  WESTFIELD...
  MAYVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4229 7974 4239 7953 4235 7935 4216 7943
      4226 7977 4227 7976
TIME...MOT...LOC 1604Z 288DEG 18KT 4235 7961

$$

WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 8:03 PM EDT	Special Weather Statement	BUF	Allegany	57 min
Sep 1, 10:40 PM EDT	Special Weather Statement	BUF	Wayne	65 min
Sep 1, 11:43 PM EDT	Special Weather Statement	BUF	Oswego	77 min
Sep 2, 12:20 AM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	55 min
Sep 2, 11:06 AM EDT	Special Marine Warning	BUF		54 min
Sep 2, 11:31 AM EDT	Special Marine Warning	BUF		44 min
Sep 2, 12:13 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	32 min
Sep 2, 12:39 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	36 min
Sep 2, 12:51 PM EDT	Special Weather Statement	BUF	Cayuga	39 min
Sep 2, 1:11 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	34 min
Sep 2, 1:28 PM EDT	Special Weather Statement	BUF	Genesee	62 min
Sep 2, 1:35 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wyoming	55 min
Sep 2, 2:01 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga	29 min
Sep 2, 2:14 PM EDT	Special Weather Statement	BUF	Cattaraugus	61 min
Sep 2, 2:37 PM EDT	Special Marine Warning	BUF		38 min
Sep 2, 2:46 PM EDT	Special Weather Statement	BUF	Cayuga	29 min
Sep 2, 3:20 PM EDT	Special Marine Warning	BUF		85 min
Sep 2, 3:31 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	59 min
Sep 2, 3:45 PM EDT	Special Marine Warning	BUF		2 hr
Sep 2, 3:59 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	61 min
Sep 2, 4:15 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	60 min
Sep 2, 4:25 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	65 min
Sep 2, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	59 min
Sep 2, 4:32 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	43 min
Sep 2, 4:36 PM EDT	Flash Flood Warning	BUF	Cayuga, Oswego	3 hr
Sep 2, 4:39 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	51 min
Sep 2, 4:57 PM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	33 min
Sep 2, 4:59 PM EDT	Special Marine Warning	BUF		61 min
Sep 2, 5:24 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	36 min
Sep 2, 5:35 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	25 min
Sep 2, 5:36 PM EDT	Areal Flood Advisory	BUF	Lewis	3 hr
Sep 2, 6:24 PM EDT	Small Craft Advisory	BUF		61 hr

Nearby

Severe Thunderstorm Warnings in New York, 2013 Every severe thunderstorm warning in 2013

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.