Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 140, NWS Buffalo, NY

August 9, 2008Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 9, 2008, 7:10 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 9, 2008, 7:10 PM EDT (23:10 UTC)
Expired
Aug 9, 2008, 7:47 PM EDT
In force
37 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 65 km from the middle of the area, began a volume at 23:11 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.

What was reported inside it

TimeReportWhereRemark
Aug 9, 7:12 PM EDTHAIL 0.752 Ne Cassadaga, NY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.2 hours before the alert went out and 65 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 2008-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 2008-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
22 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
71 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 092310
SVRBUF
NYC009-013-100000-
/O.NEW.KBUF.SV.W.0140.080809T2310Z-080810T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
710 PM EDT SAT AUG 9 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
  NORTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 800 PM EDT

* AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 17
  MILES SOUTHWEST OF GOWANDA...OR 7 MILES SOUTHEAST OF FREDONIA...AND
  MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SOUTH DAYTON BY 725 PM EDT...
  PERRYSBURG BY 735 PM EDT...
  GOWANDA BY 740 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.

LAT...LON 4255 7905 4239 7882 4229 7932 4238 7933
TIME...MOT...LOC 2309Z 248DEG 21KT 4237 7921

$$

HITCHCOCK
2 follow-up statements
000 
WWUS51 KBUF 092324
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
724 PM EDT SAT AUG 9 2008

NYC009-013-100000-
/O.CON.KBUF.SV.W.0140.000000T0000Z-080810T0000Z/
CHAUTAUQUA NY-CATTARAUGUS NY-
723 PM EDT SAT AUG 9 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN CATTARAUGUS AND NORTHEASTERN CHAUTAUQUA COUNTIES...

AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SOUTH DAYTON...OR 10 MILES EAST OF FREDONIA...MOVING
NORTHEAST AT 35 MPH.

AT 712 PM EDT...TRAINED WEATHER SPOTTERS REPORTED PENNY SIZED HAIL 
JUST NORTHEAST OF CASSADAGA.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SOUTH DAYTON BY 730 PM EDT...
  PERRYSBURG BY 740 PM EDT...
  GOWANDA BY 745 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.

LAT...LON 4241 7920 4255 7905 4254 7904 4243 7888
      4239 7882 4239 7884 4232 7916
TIME...MOT...LOC 2323Z 246DEG 23KT 4240 7912

$$

HITCHCOCK
000 
WWUS51 KBUF 092347
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
747 PM EDT SAT AUG 9 2008

NYC009-013-092357-
/O.CAN.KBUF.SV.W.0140.000000T0000Z-080810T0000Z/
CHAUTAUQUA NY-CATTARAUGUS NY-
747 PM EDT SAT AUG 9 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CATTARAUGUS AND
NORTHEASTERN CHAUTAUQUA COUNTIES IS CANCELLED...

AT 747 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE 
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA 
AND WEAKENED...THUS THE WARNING HAS BEEN CANCELLED.

PLEASE REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO 
THE NATIONAL WEATHER SERVICE IN BUFFALO.

LAT...LON 4241 7920 4255 7905 4254 7904 4243 7888
      4239 7882 4239 7884 4232 7916
TIME...MOT...LOC 2347Z 246DEG 23KT 4246 7893

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 3:45 PM EDTSpecial Marine WarningBUF78 min
Aug 9, 3:53 PM EDTSevere Thunderstorm WarningBUFNiagara52 min
Aug 9, 4:32 PM EDTSpecial Marine WarningBUF58 min
Aug 9, 7:53 PM EDTSevere Thunderstorm WarningBUFErie37 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.