Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 57, NWS Buffalo, NY

November 12, 2003Livingston County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Nov 12, 2003, 10:21 PM EST for Livingston County, New York. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 12, 2003, 10:21 PM EST (03:21 UTC)
Expired: Nov 12, 2003, 10:45 PM EST
In force: 24 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Livingston County, NY

The radar

The Buffalo radar (KBUF), 82 km from the middle of the area, began a volume at 03:25 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 12, 7:20 PM EST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.4 hours before the alert went out and 78 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: 158 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 130321
SVRBUF
NYC051-130345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1020 PM EST WED NOV 12 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1045 PM EST

* AT 1015 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER GENESEO...MOVING EAST AT 40 MPH.

THESE STORMS HAVE A HISTORY OF PRODUCING STRONG WINDS FREQUENT 
LIGHTNING AND HAIL.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EST
WEDNESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4285 7786 4269 7778 4263 7765 4290 7765

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 12, 7:13 PM EST	Special Marine Warning	BUF		2 hr
Nov 12, 7:18 PM EST	Severe Thunderstorm Warning	BUF	Niagara	27 min
Nov 12, 8:02 PM EST	Special Marine Warning	BUF		58 min
Nov 12, 8:59 PM EST	Special Marine Warning	BUF		31 min
Nov 12, 8:59 PM EST	Special Marine Warning	BUF		31 min
Nov 12, 9:08 PM EST	Special Marine Warning	BUF		97 min
Nov 12, 9:19 PM EST	Severe Thunderstorm Warning	BUF	Erie	56 min
Nov 12, 9:40 PM EST	Severe Thunderstorm Warning	BUF	Cattaraugus	50 min
Nov 12, 9:42 PM EST	Severe Thunderstorm Warning	BUF	Genesee	48 min
Nov 12, 10:01 PM EST	Severe Thunderstorm Warning	BUF	Monroe, Orleans	59 min
Nov 12, 10:12 PM EST	Special Marine Warning	BUF		63 min

Nearby

Severe Thunderstorm Warnings in New York, 2003 Every severe thunderstorm warning in 2003

Sources

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