Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 63, NWS Buffalo, NY

September 29, 2005Genesee County, Orleans County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 29, 2005, 5:23 AM EDT for Genesee County, Orleans County, Wyoming County, New York. It was in force for 62 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: Sep 29, 2005, 5:23 AM EDT (09:23 UTC)
Expired: Sep 29, 2005, 6:25 AM EDT
In force: 62 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Genesee County, NY, Orleans County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 52 km from the middle of the area, began a volume at 09:24 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
Sep 29, 6:05 AM EDT	TSTM WND DMG	Batavia, NY	TREES AND WIRES DOWN
Sep 29, 6:25 AM EDT	TSTM WND DMG	Bennington, NY	LARGE TREE DOWN
Sep 29, 6:30 AM EDT	TSTM WND DMG	Holley, NY	TREES AND POWER LINES DOWN

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
Sep 29, 4:15 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 9.4 hours before the alert went out and 49 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1631 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 328 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 290930
SVRBUF
NYC037-073-121-291045-
/O.NEW.KBUF.SV.W.0063.050929T0923Z-050929T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
523 AM EDT THU SEP 29 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GENESEE COUNTY IN WESTERN NEW YORK
  ORLEANS COUNTY IN WESTERN NEW YORK
  WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 645 AM EDT

* AT 512 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE       
  EXTENDING FROM YOUNGSTOWN TO 5 MILES WEST OF BUFFALO TO GOWANDA    
  THEN CONTINUED SOUTH TO JAMESTOWN...AND WAS MOVING NORTHEAST AT    
  45 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  BENNINGTON BY 540 AM...  
  VARYSBURG BY 550 AM EDT...
  BATAVIA BY 555 AM EDT...
  MEDINA BY 555 AM EDT...
  PAVILION BY 605 AM EDT...
  PORTAGEVILLE BY 610 AM EDT...

DOPPLER RADAR INDICATED WINDS IN EXCESS OF 70 MPH WITHIN THIS LINE 
OF DANGEROUS STORMS. TAKE COVER IMMEDIATELY.  

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4314 7800 4313 7792 4305 7795 4304 7791
      4296 7790 4289 7797 4264 7798 4259 7804
      4253 7804 4253 7845 4278 7844 4287 7847
      4338 7845 4338 7802

$$

NIZIOL

2 follow-up statements

000 
WWUS51 KBUF 291003
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
600 AM EDT THU SEP 29 2005

NYC037-073-121-291045-
/O.CON.KBUF.SV.W.0063.000000T0000Z-050929T1045Z/
WYOMING NY-GENESEE NY-ORLEANS NY-
600 AM EDT THU SEP 29 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM EDT
FOR ORLEANS...GENESEE AND WYOMING COUNTIES...

AT 554 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THE LINE EXTENDED FROM 
MEDINA SOUTH THROUGH BATAVIA THEN TO EAGLE IN WYOMING COUNTY.  THE 
ACTIVITY WAS MOVING EAST AT 55 MPH AND WILL CROSS THE EASTERN END OF 
THESE COUNTIES THROUGH 630 AM.

SEVERAL REPORTS OF WIDESPREAD TREES AND POWER LINES HAVE BEEN 
RECIEVED AS THE ACTIVITY MOVED ACROSS THE AFFECTED AREAS. TAKE COVER 
IMMEDIATLEY. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM EDT
THURSDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4314 7800 4313 7792 4305 7795 4304 7791
      4296 7790 4289 7797 4264 7798 4259 7804
      4253 7804 4253 7845 4278 7844 4287 7847
      4338 7845 4338 7802

$$

NIZIOL

000 
WWUS51 KBUF 291025
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
624 AM EDT THU SEP 29 2005

NYC037-073-121-291034-
/O.CAN.KBUF.SV.W.0063.000000T0000Z-050929T1045Z/
WYOMING NY-GENESEE NY-ORLEANS NY-
624 AM EDT THU SEP 29 2005

...THE SEVERE THUNDERSTORM WARNING FOR ORLEANS...GENESEE AND WYOMING
COUNTIES IS CANCELLED...

THE LINE OF SEVERE STORMS THAT PRODUCED WIDESPREAD WIND DAMAGE 
ACROSS THE REGION OVER THE PAST HOUR HAD MOVED EAST AND EXITED THE 
AREA. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM EDT
THURSDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4314 7800 4313 7792 4305 7795 4304 7791
      4296 7790 4289 7797 4264 7798 4259 7804
      4253 7804 4253 7845 4278 7844 4287 7847
      4338 7845 4338 7802

$$

NIZIOL

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 29, 4:18 AM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	57 min
Sep 29, 4:22 AM EDT	Special Marine Warning	BUF		83 min
Sep 29, 4:41 AM EDT	Special Marine Warning	BUF		94 min
Sep 29, 4:49 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Erie, Niagara	71 min
Sep 29, 5:51 AM EDT	Special Marine Warning	BUF		84 min
Sep 29, 5:52 AM EDT	Severe Thunderstorm Warning	BUF	Allegany	53 min
Sep 29, 6:08 AM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe	67 min
Sep 29, 6:47 AM EDT	Severe Thunderstorm Warning	BUF	Ontario	45 min
Sep 29, 6:54 AM EDT	Severe Thunderstorm Warning	BUF	Wayne	66 min
Sep 29, 6:58 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	62 min
Sep 29, 7:37 AM EDT	Severe Thunderstorm Warning	BUF	Cayuga	23 min
Sep 29, 7:43 AM EDT	Severe Thunderstorm Warning	BUF	Lewis	62 min
Sep 29, 7:50 AM EDT	Special Marine Warning	BUF		40 min
Sep 29, 7:58 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	47 min
Sep 29, 8:35 AM EDT	Special Marine Warning	BUF		40 min
Sep 29, 8:48 AM EDT	Severe Thunderstorm Warning	BUF	Lewis	33 min
Sep 29, 3:46 PM EDT	Frost Advisory	BUF	Allegany, Cattaraugus	16 hr

Nearby

Severe Thunderstorm Warnings in New York, 2005 Every severe thunderstorm warning in 2005

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.