Alert archive / New York / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 4, NWS Buffalo, NY

April 12, 2006Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 12, 2006, 8:15 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 30 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
Apr 12, 2006, 8:15 PM EDT (00:15 UTC)
Expired
Apr 12, 2006, 8:45 PM EDT
In force
30 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 67 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 64 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 2006-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 435 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1821 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
435 m²/s²
0-3 km storm-relative helicity
613 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 130015
SVRBUF
NYC003-009-130045-
/O.NEW.KBUF.SV.W.0004.060413T0015Z-060413T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
815 PM EDT WED APR 12 2006

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALLEGANY COUNTY IN WESTERN NEW YORK
  CATTARAUGUS COUNTY IN WESTERN NEW YORK

* UNTIL 845 PM EDT

* AT 809 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 9 MILES WEST OF
  FRANKLINVILLE...OR ABOUT 11 MILES NORTHEAST OF SALAMANCA...AND 
  WAS MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LIME LAKE-MACHIAS BY 820 PM EDT...
  HOUGHTON BY 830 PM EDT...
  FILLMORE BY 835 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 4236 7872 4221 7859 4249 7791 4251 7826

$$

TJP
2 follow-up statements
000 
WWUS51 KBUF 130035
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT WED APR 12 2006

NYC003-009-130045-
/O.CON.KBUF.SV.W.0004.000000T0000Z-060413T0045Z/
CATTARAUGUS NY-ALLEGANY NY-
835 PM EDT WED APR 12 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR ALLEGANY AND CATTARAUGUS COUNTIES...

AT 831 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 8 MILES
NORTHEAST OF LIME LAKE-MACHIAS...MOVING NORTHEAST AT 50 MPH.

LAT...LON 4236 7872 4221 7859 4249 7791 4251 7826

$$

TJP
000 
WWUS51 KBUF 130044
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
844 PM EDT WED APR 12 2006

NYC003-009-130054-
/O.EXP.KBUF.SV.W.0004.000000T0000Z-060413T0045Z/
CATTARAUGUS NY-ALLEGANY NY-
844 PM EDT WED APR 12 2006

...THE SEVERE THUNDERSTORM WARNING FOR ALLEGANY AND CATTARAUGUS
COUNTIES EXPIRES AT 845 PM EDT...

AT 844 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4236 7872 4221 7859 4249 7791 4251 7826

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 5:50 PM EDTSpecial Marine WarningBUF55 min
Apr 13, 5:58 PM EDTSevere Thunderstorm WarningBUFWayne62 min
Apr 13, 6:13 PM EDTSevere Thunderstorm WarningBUFGenesee49 min
Apr 13, 6:16 PM EDTSevere Thunderstorm WarningBUFMonroe59 min
Apr 13, 6:37 PM EDTSevere Thunderstorm WarningBUFLivingston, Wyoming34 min
Apr 13, 6:42 PM EDTTornado WarningBUFMonroe26 min

Nearby

Severe Thunderstorm Warnings in New York, 2006Every severe thunderstorm warning in 2006

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.