Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 41, NWS Buffalo, NY

August 16, 2003Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 16, 2003, 11:44 AM EDT for Chautauqua County, Erie County, New York. It was in force for 61 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
Aug 16, 2003, 11:44 AM EDT (15:44 UTC)
Expired
Aug 16, 2003, 12:45 PM EDT
In force
61 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Chautauqua County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 47 km from the middle of the area, began a volume at 15:47 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 12:00Z, 3.7 hours before the alert went out and 48 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 12:00Z on 2003-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1388 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 12:00Z on 2003-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1388 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 161544
SVRBUF
NYC013-029-161645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1142 AM EDT SAT AUG 16 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1245 PM EDT

* AT 1137 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES NORTHWEST OF LAKE ERIE BEACH...OR ABOUT
  17 MILES NORTHEAST OF DUNKIRK...MOVING SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SILVER CREEK AND EDEN AT NOON EDT
  NORTH COLLINS AT 1205 PM EDT

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM FLOOD-PRONE AREAS. A SEVERE THUNDERSTORM CAN PRODUCE LARGE
DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY
LIGHTNING...AND VERY HEAVY RAIN.

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 4285 7917 4275 7940 4221 7927 4255 7906
          4265 7876

$$

DJF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 9:06 AM EDTSpecial Marine WarningBUF69 min
Aug 16, 9:30 AM EDTSpecial Marine WarningBUF90 min
Aug 16, 9:37 AM EDTSevere Thunderstorm WarningBUFNiagara53 min
Aug 16, 11:15 AM EDTSpecial Marine WarningBUF60 min
Aug 16, 12:26 PM EDTSevere Thunderstorm WarningBUFWyoming64 min
Aug 16, 1:17 PM EDTFlash Flood WarningBUFWyoming118 min
Aug 16, 1:25 PM EDTSpecial Marine WarningBUF95 min
Aug 16, 1:39 PM EDTSevere Thunderstorm WarningBUFOntario51 min
Aug 16, 2:16 PM EDTSevere Thunderstorm WarningBUFAllegany29 min
Aug 16, 2:18 PM EDTSevere Thunderstorm WarningBUFChautauqua57 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.