Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 83, NWS Buffalo, NY

September 10, 2002Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2002, 9:04 PM EDT for 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 outline as issued, with what was reported inside it.

The facts

Issued: Sep 10, 2002, 9:04 PM EDT (01:04 UTC)
Expired: Sep 10, 2002, 9:30 PM EDT
In force: 26 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Orleans County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 01:07 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 10, 9:25 PM EDT	Thunderstorm Wind 50 E	Medina, 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 00:00Z, 1.1 hours before the alert went out and 54 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: 768 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1349 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

963 
WUUS51 KBUF 110104
SVRBUF
NYC073-110130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
904 PM EDT TUE SEP 10 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 930 PM EDT

* AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF MEDINA...OR ABOUT 6 MILES EAST
  OF LOCKPORT...MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MEDINA AT 910 PM EDT
  ALBION AND WATERPORT AT 920 PM EDT
  KENDALL AND HOLLEY AT 930 PM EDT

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

LAT...LON 4337 7801 4318 7800 4314 7823 4314 7846
          4330 7846

SAGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 8:49 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	41 min
Sep 10, 9:15 PM EDT	Special Marine Warning	BUF		30 min
Sep 10, 10:49 PM EDT	Special Marine Warning	BUF		26 min
Sep 10, 10:49 PM EDT	Special Marine Warning	BUF		26 min
Sep 10, 10:49 PM EDT	Special Marine Warning	BUF		26 min
Sep 10, 10:49 PM EDT	Special Marine Warning	BUF		26 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.