Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 54, NWS Buffalo, NY

July 14, 2004Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 14, 2004, 4:15 AM EDT for Erie County, Niagara County, New York. It was in force for 60 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
Jul 14, 2004, 4:15 AM EDT (08:15 UTC)
Expired
Jul 14, 2004, 5:15 AM EDT
In force
60 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 12 km from the middle of the area, began a volume at 08:19 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, 8.3 hours before the alert went out and 15 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 2004-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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 2004-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.193958Sfc1 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
142 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 140815 CCA
SVRBUF
NYC029-063-140915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
409 AM EDT WED JUL 14 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ERIE COUNTY IN WESTERN NEW YORK
  NIAGARA COUNTY IN WESTERN NEW YORK

* UNTIL 515 AM EDT

* AT 401 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM 5 MILES WEST OF LEWISTON TO SILVER CREEK...AND 
  WERE MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  SANBORN AT 415 AM EDT...
  ATHOL SPRINGS AT 420 AM EDT...
  LACKAWANNA AT 425 AM EDT...
  METRO BUFFALO AT 430 AM EDT...  
  HAMBURG AT 430 AM EDT...

THE STORMS COULD PRODUCE HAIL...STRONG WINDS AND TORRENTIAL 
DOWNPOURS THAT WILL LEAD TO POOR DRAINAGE FLOODING.

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 4328 7913 4254 7897 4256 7856 4329 7855

$$

NIZIOL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:46 AM EDTSpecial Marine WarningBUF119 min
Jul 14, 2:52 AM EDTSpecial Marine WarningBUF113 min
Jul 14, 2:52 AM EDTSpecial Marine WarningBUF113 min
Jul 14, 6:04 AM EDTSpecial Marine WarningBUF86 min

Nearby

Severe Thunderstorm Warnings in New York, 2004Every severe thunderstorm warning in 2004

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.