Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 137, NWS Buffalo, NY

August 7, 20085 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 7, 2008, 9:03 PM EDT for 5 counties in New York. It was in force for 47 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 7, 2008, 9:03 PM EDT (01:03 UTC)
Expired
Aug 7, 2008, 9:50 PM EDT
In force
47 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Erie County, NY, Genesee County, NY, Niagara County, NY, Orleans County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 40 km from the middle of the area, began a volume at 01:03 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, 1.1 hours before the alert went out and 41 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 2008-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 390 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 2008-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 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
390 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-52 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 080103
SVRBUF
NYC029-037-063-073-121-080200-
/O.NEW.KBUF.SV.W.0137.080808T0103Z-080808T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
903 PM EDT THU AUG 7 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ERIE COUNTY IN WESTERN NEW YORK
  GENESEE COUNTY IN WESTERN NEW YORK
  NIAGARA COUNTY IN WESTERN NEW YORK
  WESTERN ORLEANS COUNTY IN WESTERN NEW YORK
  NORTHWESTERN WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 1000 PM EDT

* AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL.
   THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
  NORTHEAST OF NEWFANE TO 7 MILES NORTHEAST OF SANBORN...OR ALONG A
  LINE EXTENDING FROM 13 MILES NORTHWEST OF MEDINA TO 7 MILES
  NORTHWEST OF LOCKPORT...AND MOVING SOUTHEAST AT 39 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PENDLETON AND LOCKPORT BY 910 PM EDT...
  MIDDLEPORT BY 915 PM EDT...
  MEDINA AND AMHERST BY 920 PM EDT...
  HARRIS HILL BY 925 PM EDT...
  LANCASTER AND AKRON BY 930 PM EDT...
  OAKFIELD BY 935 PM EDT...

LAT...LON 4337 7864 4337 7859 4338 7854 4338 7843
      4338 7842 4338 7841 4338 7840 4301 7800
      4274 7851 4320 7896
TIME...MOT...LOC 0103Z 323DEG 34KT 4333 7851 4318 7879

$$

SAGE
2 follow-up statements
000 
WWUS51 KBUF 080129
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
929 PM EDT THU AUG 7 2008

NYC073-080139-
/O.CAN.KBUF.SV.W.0137.000000T0000Z-080808T0200Z/
ORLEANS NY-
929 PM EDT THU AUG 7 2008

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ORLEANS COUNTY IS
CANCELLED...

LAT...LON 4313 7888 4326 7867 4293 7815 4274 7851
TIME...MOT...LOC 0129Z 323DEG 22KT 4307 7872

$$

NYC029-037-063-121-080200-
/O.CON.KBUF.SV.W.0137.000000T0000Z-080808T0200Z/
WYOMING NY-GENESEE NY-NIAGARA NY-ERIE NY-
929 PM EDT THU AUG 7 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR NORTHEASTERN ERIE...SOUTHEASTERN NIAGARA...SOUTHWESTERN GENESEE
AND NORTHWESTERN WYOMING COUNTIES...

AT 926 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR PENDLETON...OR NEAR AMHERST...MOVING SOUTHEAST AT 26
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  AMHERST BY 935 PM EDT...
  CLARENCE CENTER BY 945 PM EDT...
  ALDEN BY 1000 PM EDT...

LAT...LON 4313 7888 4326 7867 4293 7815 4274 7851
TIME...MOT...LOC 0129Z 323DEG 22KT 4307 7872

$$

SAGE
000 
WWUS51 KBUF 080150
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
950 PM EDT THU AUG 7 2008

NYC029-037-063-121-080158-
/O.CAN.KBUF.SV.W.0137.000000T0000Z-080808T0200Z/
WYOMING NY-GENESEE NY-NIAGARA NY-ERIE NY-
948 PM EDT THU AUG 7 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE...
SOUTHEASTERN NIAGARA...WESTERN GENESEE AND NORTHWESTERN WYOMING
COUNTIES IS CANCELLED...

AT 948 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE 
THUNDERSTORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND WERE NO 
LONGER SEVERE...THUS THE WARNING HAS BEEN CANCELLED. HOWEVER... 
THUNDERSTORMS WILL CONTINUE IN THE AREA THROUGH AT LEAST 1030 PM 
WITH CORES OF HEAVY RAIN AND FREQUENT LIGHTNING.

LAT...LON 4313 7888 4326 7867 4293 7815 4274 7851
TIME...MOT...LOC 0148Z 323DEG 22KT 4298 7862

$$

SAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:37 PM EDTSpecial Marine WarningBUF38 min
Aug 7, 10:07 PM EDTSevere Thunderstorm WarningBUFChautauqua53 min
Aug 7, 11:21 PM EDTFlash Flood WarningBUFChautauqua2 hr
Aug 8, 3:34 AM EDTAreal Flood AdvisoryBUFOswego3 hr
Aug 8, 3:43 AM EDTSmall Craft AdvisoryBUF24 hr
Aug 8, 7:55 AM EDTAreal Flood AdvisoryBUFOswego3 hr
Aug 8, 12:20 PM EDTSpecial Marine WarningBUF3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2008Every severe thunderstorm warning in 2008

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.