Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 65, NWS Buffalo, NY

September 29, 2005Livingston County, Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 29, 2005, 6:08 AM EDT for Livingston County, Monroe County, New York. It was in force for 67 min. 2 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, 6:08 AM EDT (10:08 UTC)
Expired: Sep 29, 2005, 7:15 AM EDT
In force: 67 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Livingston County, NY, Monroe County, NY

The radar

The Buffalo radar (KBUF), 84 km from the middle of the area, began a volume at 10:12 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, 6:42 AM EDT	TSTM WND DMG	Brockport, NY	TREES AND POWER LINES DOWNED
Sep 29, 6:50 AM EDT	TSTM WND DMG	Avon, NY	SEVERAL TREES 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, 10.1 hours before the alert went out and 82 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 291013
SVRBUF
NYC051-055-291115-
/O.NEW.KBUF.SV.W.0065.050929T1008Z-050929T1115Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LIVINGSTON COUNTY IN WESTERN NEW YORK
  MONROE COUNTY IN WESTERN NEW YORK

* UNTIL 715 AM EDT

* AT 606 AM EDT...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 10  
   MILES WEST OF HAMLIN BEACH TO 10 MILES WEST OF MT MORRIS.  THE    
   LINE WAS RACING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  HAMLIN BEACH BY 615 AM EDT...
  MOUNT MORRIS BY 620 AM EDT...
  GENESEO BY 630 AM EDT...
  SPENCERPORT BY 625 AM EDT...
  METRO ROCHESTER BY 640 AM EDT...
  
THERE HAVE BEEN WIDESPREAD REPORTS OF TREES AND POWER LINES DOWN AS 
THESE STORMS CROSSED THE WESTERN PART OF NEW YORK STATE.  THE STORMS 
ARE MOVING VERY RAPIDLY GIVING LITTLE TIME TAKE COVER.  TAKE ACTION 
NOW IF YOU ARE IN THE PATH OF THIS LINE OF SEVERE WEATHER.

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 4333 7772 4324 7758 4328 7738 4304 7737
      4304 7747 4295 7749 4295 7757 4290 7757
      4261 7801 4272 7796 4301 7794 4313 7794
      4314 7798 4337 7798

$$

NIZIOL

1 follow-up statement

000 
WWUS51 KBUF 291113
SVSBUF

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

NYC051-055-291121-
/O.EXP.KBUF.SV.W.0065.000000T0000Z-050929T1115Z/
LIVINGSTON NY-MONROE NY-
711 AM EDT THU SEP 29 2005

...THE SEVERE THUNDERSTORM WARNING FOR MONROE AND LIVINGSTON COUNTIES
EXPIRES AT 715 AM EDT...

THE SEVERE THUNDERSTORMS THAT PROMPTED THE WARNING HAVE MOVED 
EAST OF THE AREA. THEREFORE...THE WARNING HAS BEEN ALLOWED TO 
EXPIRE.  

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM EDT
THURSDAY MORNING FOR WESTERN NEW YORK. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 100 PM EDT THURSDAY AFTERNOON FOR
CENTRAL NEW YORK.

LAT...LON 4333 7772 4324 7758 4328 7738 4304 7737
      4304 7747 4295 7749 4295 7757 4290 7757
      4261 7801 4272 7796 4301 7793 4313 7794
      4314 7798 4337 7798

$$

TJP

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, 5:23 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Orleans, Wyoming	62 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, 6:47 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.