Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 12, NWS Buffalo, NY

May 31, 2002Monroe County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 31, 2002, 11:34 AM EDT for Monroe County, Orleans County, New York. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 31, 2002, 11:34 AM EDT (15:34 UTC)
Expired: May 31, 2002, 12:00 PM EDT
In force: 26 min
Issued by: NWS Buffalo, NY
Area: Whole counties

Counties Monroe County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 73 km from the middle of the area, began a volume at 15:35 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
May 31, 11:45 AM EDT	Thunderstorm Wind 53 E	Bushnell Basin, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.6 hours before the alert went out and 71 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: 728 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

463 
WUUS51 KBUF 311534
SVRBUF
NYC055-073-311600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1134 AM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN WESTERN NEW YORK
  ORLEANS COUNTY IN WESTERN NEW YORK

* UNTIL NOON EDT

* AT 1125 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER MEDINA...OR ABOUT 5 MILES SOUTH OF
  MEDINA...MOVING EAST AT 65 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE HOLLEY AND SPENCERPORT

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

PACE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:30 AM EDT	Special Marine Warning	BUF		2 hr
May 31, 8:15 AM EDT	Special Marine Warning	BUF		2 hr
May 31, 9:39 AM EDT	Special Marine Warning	BUF		21 min
May 31, 9:48 AM EDT	Special Marine Warning	BUF		27 min
May 31, 1:06 PM EDT	Special Marine Warning	BUF		114 min
May 31, 1:06 PM EDT	Special Marine Warning	BUF		114 min
May 31, 1:23 PM EDT	Special Marine Warning	BUF		112 min
May 31, 1:23 PM EDT	Special Marine Warning	BUF		112 min
May 31, 1:50 PM EDT	Severe Thunderstorm Warning	BUF	Niagara, Orleans	55 min
May 31, 2:03 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	57 min
May 31, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	50 min

Nearby

Severe Thunderstorm Warnings in New York, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.