Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 62, NWS Buffalo, NY

June 16, 20084 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 16, 2008, 5:48 PM EDT for 4 counties in New York. It was in force for 57 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 16, 2008, 5:48 PM EDT (21:48 UTC)
Expired: Jun 16, 2008, 6:45 PM EDT
In force: 57 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Genesee County, NY, Monroe County, NY, Orleans County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 21:52 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 16, 6:10 PM EDT	HAIL 0.75	2 S Brockport, NY
Jun 16, 6:15 PM EDT	HAIL 1	Byron, NY

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.

Issued	Product	Office	Lasted
Jun 16, 11:28 AM EDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.8 hours before the alert went out and 96 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: 571 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 162148
SVRBUF
NYC037-055-073-117-162245-
/O.NEW.KBUF.SV.W.0062.080616T2148Z-080616T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
548 PM EDT MON JUN 16 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GENESEE COUNTY IN WESTERN NEW YORK
  CENTRAL MONROE COUNTY IN WESTERN NEW YORK
  SOUTHEASTERN ORLEANS COUNTY IN WESTERN NEW YORK
  WESTERN WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 645 PM EDT

* AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR BYRON...OR 7 MILES SOUTHWEST OF BROCKPORT...
  AND MOVING EAST AT 36 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHURCHVILLE BY 555 PM EDT...
  SPENCERPORT BY 605 PM EDT...
  GATES-NORTH GATES BY 615 PM EDT...
  ROCHESTER BY 620 PM EDT...
  IRONDEQUOIT BY 625 PM EDT...
  PENFIELD BY 630 PM EDT...
  WEBSTER BY 640 PM EDT...
  ONTARIO BY 645 PM EDT...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4320 7815 4329 7765 4325 7758 4325 7754
      4326 7751 4326 7747 4328 7740 4328 7726
      4330 7715 4308 7711 4302 7810
TIME...MOT...LOC 2148Z 259DEG 31KT 4313 7800

$$

JJR

1 follow-up statement

000 
WWUS51 KBUF 162218
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
618 PM EDT MON JUN 16 2008

NYC037-073-162228-
/O.CAN.KBUF.SV.W.0062.000000T0000Z-080616T2245Z/
GENESEE NY-ORLEANS NY-
618 PM EDT MON JUN 16 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ORLEANS AND
NORTHEASTERN GENESEE COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7791 4310 7793 4313 7791 4314 7795
      4322 7798 4329 7765 4325 7758 4326 7747
      4328 7740 4329 7715 4308 7711 4303 7790
TIME...MOT...LOC 2218Z 265DEG 31KT 4308 7785

$$

NYC055-117-162245-
/O.CON.KBUF.SV.W.0062.000000T0000Z-080616T2245Z/
WAYNE NY-MONROE NY-
618 PM EDT MON JUN 16 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL MONROE AND WESTERN WAYNE COUNTIES...

AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED NEAR CHURCHVILLE...OR 10 MILES SOUTH OF 
BROCKPORT...MOVING EAST AT 36 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HENRIETTA BY 640 PM EDT...
  PITTSFORD BY 645 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7791 4310 7793 4313 7791 4314 7795
      4322 7798 4329 7765 4325 7758 4326 7747
      4328 7740 4329 7715 4308 7711 4303 7790
TIME...MOT...LOC 2218Z 265DEG 31KT 4308 7785

$$

JJR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 9:26 PM EDT	Special Marine Warning	BUF		64 min
Jun 15, 10:31 PM EDT	Special Marine Warning	BUF		32 min
Jun 15, 11:15 PM EDT	Special Marine Warning	BUF		60 min
Jun 16, 1:00 AM EDT	Special Marine Warning	BUF		60 min
Jun 16, 1:26 AM EDT	Special Marine Warning	BUF		64 min
Jun 16, 1:58 AM EDT	Special Marine Warning	BUF		32 min
Jun 16, 11:59 AM EDT	Severe Thunderstorm Warning	BUF	Monroe	55 min
Jun 16, 12:04 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	56 min
Jun 16, 12:17 PM EDT	Special Marine Warning	BUF		58 min
Jun 16, 1:06 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	54 min
Jun 16, 1:14 PM EDT	Special Marine Warning	BUF		47 min
Jun 16, 1:21 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	54 min
Jun 16, 1:28 PM EDT	Special Marine Warning	BUF		62 min
Jun 16, 1:52 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara	53 min
Jun 16, 1:53 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Wayne	43 min
Jun 16, 2:15 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga	20 min
Jun 16, 2:33 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	32 min
Jun 16, 2:43 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Wyoming	44 min
Jun 16, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	37 min
Jun 16, 2:57 PM EDT	Special Marine Warning	BUF		28 min
Jun 16, 4:06 PM EDT	Special Marine Warning	BUF		28 min
Jun 16, 5:03 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	57 min
Jun 16, 6:30 PM EDT	Special Marine Warning	BUF		45 min
Jun 16, 6:35 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Wyoming	55 min
Jun 16, 6:44 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Livingston, Monroe, Ontario, Wayne	61 min
Jun 16, 7:27 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Livingston, Wyoming	63 min

Nearby

Severe Thunderstorm Warnings in New York, 2008 Every severe thunderstorm warning in 2008

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.