Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 56, NWS Buffalo, NY

November 12, 2003Monroe County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Nov 12, 2003, 10:01 PM EST for Monroe County, Orleans County, New York. It was in force for 59 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, 10:01 PM EST (03:01 UTC)
Expired
Nov 12, 2003, 11:00 PM EST
In force
59 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Monroe County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 03:05 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.0 hours before the alert went out and 105 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2003-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2003-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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 130301
SVRBUF
NYC055-073-130400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1000 PM EST WED NOV 12 2003

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 1100 PM EST

* AT 955 PM EST...LAW ENFORCEMENT REPORTED A LINE OF SEVERE 
  THUNDERSTORMS FROM HOLLEY TO 19 MILES SOUTHWEST OF HOLLEY...
  OR FROM 7 MILES SOUTHEAST OF ALBION TO 2 MILES SOUTH OF
  BATAVIA...MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  BROCKPORT AT 1005 PM EST
  HILTON AT 1015 PM EST

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS 
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORMS PASS.  
AT 956 PM...THE GENESEE COUNTY SHERIFF REPORTED THREE QUARTER INCH 
HAIL JUST WEST OF BATAVIA.

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 4325 7807 4313 7800 4350 7697 4388 7677

$$

DJF

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 7:13 PM ESTSpecial Marine WarningBUF2 hr
Nov 12, 7:18 PM ESTSevere Thunderstorm WarningBUFNiagara27 min
Nov 12, 8:02 PM ESTSpecial Marine WarningBUF58 min
Nov 12, 8:59 PM ESTSpecial Marine WarningBUF31 min
Nov 12, 8:59 PM ESTSpecial Marine WarningBUF31 min
Nov 12, 9:08 PM ESTSpecial Marine WarningBUF97 min
Nov 12, 9:19 PM ESTSevere Thunderstorm WarningBUFErie56 min
Nov 12, 9:40 PM ESTSevere Thunderstorm WarningBUFCattaraugus50 min
Nov 12, 9:42 PM ESTSevere Thunderstorm WarningBUFGenesee48 min
Nov 12, 10:12 PM ESTSpecial Marine WarningBUF63 min
Nov 12, 10:21 PM ESTSevere Thunderstorm WarningBUFLivingston24 min

Nearby

Severe Thunderstorm Warnings in New York, 2003Every 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.