Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 76, NWS Buffalo, NY

June 29, 2008Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 29, 2008, 1:13 PM EDT for Niagara County, New York. It was in force for 77 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
Jun 29, 2008, 1:13 PM EDT (17:13 UTC)
Expired
Jun 29, 2008, 2:30 PM EDT
In force
77 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 31 km from the middle of the area, began a volume at 17:15 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
Jun 29, 1:20 PM EDTHAIL 0.75Youngstown, NY

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.

IssuedProductOfficeLasted
Jun 29, 12:11 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.2 hours before the alert went out and 34 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 2008-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2008-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897117Sfc1 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
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 291714
SVRBUF
NYC063-291830-
/O.NEW.KBUF.SV.W.0076.080629T1713Z-080629T1830Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 230 PM EDT

* AT 110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 17
  MILES WEST OF NIAGARA FALLS...OR 15 MILES NORTH OF PORT COLBORNE...
  AND MOVING NORTHEAST AT 40 MPH. ADDITIONAL SEVERE THUNDERSTORMS    
  WERE DEVELOPING ABOUT 3 MILES WEST OF YOUNGSTOWN...AND 3 MILES     
  EAST OF YOUNGSTOWN...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  YOUNGSTOWN BY 120 PM EDT...
  LEWISTON BY 135 PM EDT...
  NEWFANE BY 200 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 4314 7905 4328 7906 4330 7893 4335 7873
      4335 7868 4337 7863 4338 7848 4320 7847
      4306 7892 4307 7896 4308 7906 4309 7908
      4313 7908
TIME...MOT...LOC 1713Z 242DEG 37KT 4308 7932

$$

HITCHCOCK
3 follow-up statements
000 
WWUS51 KBUF 291734
SVSBUF

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

NYC063-291830-
/O.CON.KBUF.SV.W.0076.000000T0000Z-080629T1830Z/
NIAGARA NY-
130 PM EDT SUN JUN 29 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR NIAGARA COUNTY...

AT 110 PM...STRONG THUNDERSTORMS HAD DEVELOPED NEAR YOUNGSTOWN AND 
ALONG THE LAKE ONTARIO SHORELINE.  THESE STORMS HAVE SINCE MOVED 
INTO LAKE ONTARIO AND ARE NO LONGER A THREAT.  HOWEVER AT 128 PM 
EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ANOTHER 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR 
LEWISTON...OR 7 MILES NORTHWEST OF NIAGARA FALLS...MOVING NORTHEAST 
AT 43 MPH.  

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEWISTON BY 135 PM EDT...
  YOUNGSTOWN BY 140 PM EDT...
  RANSOMVILLE BY 145 PM EDT...
  WILSON BY 155 PM EDT...
  NEWFANE BY 200 PM EDT...
  OLCOTT BY 205 PM EDT...

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

LAT...LON 4314 7905 4328 7906 4330 7893 4335 7873
      4335 7868 4337 7863 4338 7848 4320 7847
      4306 7892 4307 7896 4308 7906 4309 7908
      4313 7908
TIME...MOT...LOC 1730Z 242DEG 37KT 4316 7911

$$

ZAFF
000 
WWUS51 KBUF 291811
SVSBUF

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

NYC063-291830-
/O.CON.KBUF.SV.W.0076.000000T0000Z-080629T1830Z/
NIAGARA NY-
210 PM EDT SUN JUN 29 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR NIAGARA COUNTY...

AT 210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH MOVING NORTHEAST 
THROUGH NIAGARA COUNTY.  THE LATEST STORM WAS LOCATED NEAR NIAGARA 
FALLS...MOVING NORTHEAST AT 39 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SANBORN BY 220 PM EDT...
  PENDLETON BY 225 PM EDT...
  LOCKPORT BY 230 PM EDT...

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

LAT...LON 4314 7906 4337 7864 4337 7863 4337 7859
      4338 7848 4320 7847 4306 7892 4307 7896
      4308 7906
TIME...MOT...LOC 1810Z 237DEG 34KT 4309 7898

$$

ZAFF
000 
WWUS51 KBUF 291833
SVSBUF

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

NYC063-291843-
/O.EXP.KBUF.SV.W.0076.000000T0000Z-080629T1830Z/
NIAGARA NY-
233 PM EDT SUN JUN 29 2008

...THE SEVERE THUNDERSTORM WARNING FOR NIAGARA COUNTY HAS EXPIRED...

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 4314 7906 4337 7864 4337 7863 4337 7859
      4338 7848 4320 7847 4306 7892 4307 7896
      4308 7906
TIME...MOT...LOC 1811Z 236DEG 42KT 4305 7894

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:35 PM EDTAreal Flood AdvisoryBUFAllegany, Cattaraugus84 min
Jun 29, 1:00 PM EDTSpecial Marine WarningBUF112 min
Jun 29, 1:03 PM EDTSevere Thunderstorm WarningBUFChautauqua57 min
Jun 29, 1:07 PM EDTSpecial Marine WarningBUF103 min
Jun 29, 1:46 PM EDTSevere Thunderstorm WarningBUFErie, Niagara74 min
Jun 29, 2:07 PM EDTSevere Thunderstorm WarningBUFOrleans53 min
Jun 29, 2:23 PM EDTSpecial Marine WarningBUF97 min
Jun 29, 2:25 PM EDTSevere Thunderstorm WarningBUFErie35 min
Jun 29, 2:33 PM EDTSevere Thunderstorm WarningBUFMonroe27 min
Jun 29, 2:55 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Wyoming65 min
Jun 29, 3:34 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Wyoming56 min
Jun 29, 3:51 PM EDTSpecial Marine WarningBUF54 min
Jun 29, 4:01 PM EDTSpecial Marine WarningBUF89 min
Jun 29, 4:11 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario79 min
Jun 29, 4:24 PM EDTSevere Thunderstorm WarningBUFWayne21 min
Jun 29, 4:31 PM EDTSevere Thunderstorm WarningBUFJefferson74 min
Jun 29, 4:43 PM EDTSpecial Marine WarningBUF32 min
Jun 29, 4:49 PM EDTSpecial Marine WarningBUF116 min
Jun 29, 4:54 PM EDTSevere Thunderstorm WarningBUFWayne63 min
Jun 29, 5:01 PM EDTSpecial Marine WarningBUF89 min
Jun 29, 5:10 PM EDTSevere Thunderstorm WarningBUFOswego48 min
Jun 29, 5:18 PM EDTSevere Thunderstorm WarningBUFChautauqua47 min
Jun 29, 5:18 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis72 min
Jun 29, 5:39 PM EDTTornado WarningBUFCattaraugus, Chautauqua41 min
Jun 29, 5:43 PM EDTSevere Thunderstorm WarningBUFJefferson22 min
Jun 29, 6:44 PM EDTSpecial Marine WarningBUF41 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.