Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 142, NWS Buffalo, NY

August 9, 2008Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 9, 2008, 8:19 PM EDT for Cattaraugus County, New York. It was in force for 27 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 9, 2008, 8:19 PM EDT (00:19 UTC)
Expired: Aug 9, 2008, 8:46 PM EDT
In force: 27 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 84 km from the middle of the area, began a volume at 00:20 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 83 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 420 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1326 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 100019
SVRBUF
NYC009-100115-
/O.NEW.KBUF.SV.W.0142.080810T0019Z-080810T0115Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 915 PM EDT

* AT 815 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 16
  MILES WEST OF SALAMANCA...OR 12 MILES NORTHEAST OF JAMESTOWN...AND
  MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LITTLE VALLEY BY 840 PM EDT...
  SALAMANCA BY 850 PM EDT...
  ASHFORD BY 905 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS 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 4216 7907 4217 7906 4219 7907 4221 7906
      4226 7907 4243 7853 4214 7845 4214 7906
TIME...MOT...LOC 0019Z 257DEG 26KT 4220 7900

$$

HITCHCOCK

1 follow-up statement

000 
WWUS51 KBUF 100046
SVSBUF

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

NYC009-100056-
/O.CAN.KBUF.SV.W.0142.000000T0000Z-080810T0115Z/
CATTARAUGUS NY-
846 PM EDT SAT AUG 9 2008

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CATTARAUGUS COUNTY IS
CANCELLED...

AT 846 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 CANCELLED.

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

LAT...LON 4216 7907 4217 7906 4219 7907 4221 7906
      4226 7907 4243 7853 4214 7845 4214 7906
TIME...MOT...LOC 0046Z 257DEG 26KT 4224 7874

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:20 PM EDT	Special Marine Warning	BUF		40 min
Aug 9, 8:22 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	31 min
Aug 9, 8:33 PM EDT	Special Marine Warning	BUF		57 min
Aug 9, 9:04 PM EDT	Special Marine Warning	BUF		86 min
Aug 9, 9:32 PM EDT	Areal Flood Advisory	BUF	Chautauqua, Erie	3 hr
Aug 10, 11:01 AM EDT	Special Marine Warning	BUF		119 min
Aug 10, 11:18 AM EDT	Areal Flood Advisory	BUF	Erie	117 min
Aug 10, 1:07 PM EDT	Special Marine Warning	BUF		3 hr
Aug 10, 1:15 PM EDT	Special Marine Warning	BUF		3 hr
Aug 10, 1:25 PM EDT	Flash Flood Warning	BUF	Erie	2 hr
Aug 10, 3:53 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	52 min
Aug 10, 3:56 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	34 min
Aug 10, 4:08 PM EDT	Special Marine Warning	BUF		82 min
Aug 10, 4:45 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	60 min
Aug 10, 5:49 PM EDT	Areal Flood Advisory	BUF	Cayuga	3 hr
Aug 10, 6:26 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	49 min
Aug 10, 6:50 PM EDT	Areal Flood Advisory	BUF	Oswego	3 hr
Aug 10, 6:53 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	45 min
Aug 10, 7:00 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	20 min
Aug 10, 7:11 PM EDT	Special Marine Warning	BUF		85 min

Nearby

Severe Thunderstorm Warnings in New York, 2008 Every 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.