Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 77, NWS Buffalo, NY

June 29, 2008Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 29, 2008, 1:46 PM EDT for Erie County, Niagara County, New York. It was in force for 74 min. 3 reports 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: Jun 29, 2008, 1:46 PM EDT (17:46 UTC)
Expired: Jun 29, 2008, 3:00 PM EDT
In force: 74 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 8 km from the middle of the area, began a volume at 17:47 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.

What was reported inside it

Time	Report	Where	Remark
Jun 29, 1:58 PM EDT	HAIL 1	Cheektowaga, NY
Jun 29, 2:00 PM EDT	TSTM WND GST 60	2 E Cheektowaga, NY
Jun 29, 2:45 PM EDT	TSTM WND DMG	2 E Cheektowaga, NY	LARGE TREE LIMBS DOWN FROM T-STORM WINDS, COMO PARK BLVD NEAR BELLEVUE

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 29, 12:11 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.8 hours before the alert went out and 11 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: 25 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1174 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 291746
SVRBUF
NYC029-063-291900-
/O.NEW.KBUF.SV.W.0077.080629T1746Z-080629T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
146 PM EDT SUN JUN 29 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ERIE COUNTY IN WESTERN NEW YORK
  SOUTHERN NIAGARA COUNTY IN WESTERN NEW YORK

* UNTIL 300 PM EDT

* AT 142 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR   
  LACKAWANNA...AND MOVING NORTHEAST AT 40 MPH. ANOTHER SEVERE        
  THUNDERSTORM WAS LOCATED NEAR PORT COLBURNE...AND MOVING NORTHEAST 
  AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DEPEW BY 155 PM EDT...
  HARRIS HILL BY 200 PM EDT...
  AKRON BY 215 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7902 4307 7899 4306 7891 4320 7847
      4287 7846 4287 7848 4279 7848 4275 7891
      4276 7892 4279 7887 4285 7887 4295 7893
      4295 7895 4299 7903 4302 7904
TIME...MOT...LOC 1746Z 219DEG 33KT 4284 7877

$$

HITCHCOCK

2 follow-up statements

000 
WWUS51 KBUF 291816
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
214 PM EDT SUN JUN 29 2008

NYC029-063-291900-
/O.CON.KBUF.SV.W.0077.000000T0000Z-080629T1900Z/
NIAGARA NY-ERIE NY-
214 PM EDT SUN JUN 29 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTHERN ERIE AND SOUTHERN NIAGARA COUNTIES...

AT 210 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 GRAND ISLAND...OR NEAR TONAWANDA.  THIS STORM WILL 
TRAVEL ALONG THE ERIE NIAGARA COUNTY LINE.  AN ADDITIONAL LINE OF 
THUNDERSTORMS CAN BE FOUND FROM THE AIRPORT NORTHEAST TO AKRON.  
THESE STORMS ARE ALSO CAPABLE OF PRODUCING DAMAGING WINDS AND SMALL 
HAIL.  THESE STORMS ARE MOVING EAST NORTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  AMHERST BY 225 PM EDT...
  RAPIDS BY 235 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4307 7899 4306 7891 4320 7847 4291 7846
      4287 7871 4298 7875 4295 7895 4305 7902
TIME...MOT...LOC 1814Z 250DEG 35KT 4303 7889

$$

ZAFF

000 
WWUS51 KBUF 291854
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
254 PM EDT SUN JUN 29 2008

NYC073-291904-
/O.EXP.KBUF.SV.W.0078.000000T0000Z-080629T1900Z/
ORLEANS NY-
254 PM EDT SUN JUN 29 2008

...THE SEVERE THUNDERSTORM WARNING FOR ORLEANS COUNTY WILL EXPIRE AT
300 PM EDT...

AT 254 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4337 7835 4337 7824 4337 7799 4334 7798
      4325 7800 4313 7824 4313 7847
TIME...MOT...LOC 1854Z 238DEG 41KT 4345 7769

$$

ZAFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:35 PM EDT	Areal Flood Advisory	BUF	Allegany, Cattaraugus	84 min
Jun 29, 1:00 PM EDT	Special Marine Warning	BUF		112 min
Jun 29, 1:03 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	57 min
Jun 29, 1:07 PM EDT	Special Marine Warning	BUF		103 min
Jun 29, 1:13 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	77 min
Jun 29, 2:07 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	53 min
Jun 29, 2:23 PM EDT	Special Marine Warning	BUF		97 min
Jun 29, 2:25 PM EDT	Severe Thunderstorm Warning	BUF	Erie	35 min
Jun 29, 2:33 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	27 min
Jun 29, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Wyoming	65 min
Jun 29, 3:34 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Wyoming	56 min
Jun 29, 3:51 PM EDT	Special Marine Warning	BUF		54 min
Jun 29, 4:01 PM EDT	Special Marine Warning	BUF		89 min
Jun 29, 4:11 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	79 min
Jun 29, 4:24 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	21 min
Jun 29, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	74 min
Jun 29, 4:43 PM EDT	Special Marine Warning	BUF		32 min
Jun 29, 4:49 PM EDT	Special Marine Warning	BUF		116 min
Jun 29, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	63 min
Jun 29, 5:01 PM EDT	Special Marine Warning	BUF		89 min
Jun 29, 5:10 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	48 min
Jun 29, 5:18 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	47 min
Jun 29, 5:18 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	72 min
Jun 29, 5:39 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	41 min
Jun 29, 5:43 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	22 min
Jun 29, 6:44 PM EDT	Special Marine Warning	BUF		41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.