Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 64, NWS Buffalo, NY

September 29, 2005Allegany County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 29, 2005, 5:52 AM EDT for Allegany County, New York. It was in force for 53 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, 5:52 AM EDT (09:52 UTC)
Expired
Sep 29, 2005, 6:45 AM EDT
In force
53 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 91 km from the middle of the area, began a volume at 09:55 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
Sep 29, 6:35 AM EDTTSTM WND DMGWellsville, NYTREES AND POWER LINES DOWN
Sep 29, 6:40 AM EDTTSTM WND DMG3 E Wellsville, NYTREES 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.

IssuedProductOfficeLasted
Sep 29, 4:15 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 9.9 hours before the alert went out and 88 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 00:00Z on 2005-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2005-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 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
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 290952
SVRBUF
NYC003-291045-
/O.NEW.KBUF.SV.W.0064.050929T0952Z-050929T1045Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 645 AM EDT

* AT 548 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 7 MILES NORTHWEST OF HOUGHTON TO 50 MILES SOUTHWEST OF   
  WELLSVILLE...AND WERE MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  HOUGHTON BY 600 AM EDT...
  BELFAST BY 605 AM EDT...
  WELLSVILLE BY 630 AM EDT...
  ALFRED BY 635 AM EDT...

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 4247 7822 4206 7824 4203 7778 4245 7782

$$

TJP
2 follow-up statements
000 
WWUS51 KBUF 291013
SVSBUF

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

NYC003-291045-
/O.CON.KBUF.SV.W.0064.000000T0000Z-050929T1045Z/
ALLEGANY NY-
613 AM EDT THU SEP 29 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM EDT
FOR ALLEGANY COUNTY...

AT 610 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG 
A LINE EXTENDING FROM FILLMORE TO BOLIVAR...MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BIRDSALL AND SCIO BY 620 AM EDT...
  WELLSVILLE BY 625 AM EDT...
  STANNARDS AND ALFRED BY 630 AM EDT...
  ANDOVER BY 635 AM EDT...

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

LAT...LON 4247 7822 4206 7824 4203 7778 4245 7782

$$

TJP
000 
WWUS51 KBUF 291044
SVSBUF

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

NYC003-291054-
/O.EXP.KBUF.SV.W.0064.000000T0000Z-050929T1045Z/
ALLEGANY NY-
644 AM EDT THU SEP 29 2005

...THE SEVERE THUNDERSTORM WARNING FOR ALLEGANY COUNTY EXPIRES AT 645
AM EDT...

AT 644 AM 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.

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 4247 7822 4206 7824 4203 7778 4245 7782

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 4:18 AM EDTSevere Thunderstorm WarningBUFChautauqua57 min
Sep 29, 4:22 AM EDTSpecial Marine WarningBUF83 min
Sep 29, 4:41 AM EDTSpecial Marine WarningBUF94 min
Sep 29, 4:49 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie, Niagara71 min
Sep 29, 5:23 AM EDTSevere Thunderstorm WarningBUFGenesee, Orleans, Wyoming62 min
Sep 29, 5:51 AM EDTSpecial Marine WarningBUF84 min
Sep 29, 6:08 AM EDTSevere Thunderstorm WarningBUFLivingston, Monroe67 min
Sep 29, 6:47 AM EDTSevere Thunderstorm WarningBUFOntario45 min
Sep 29, 6:54 AM EDTSevere Thunderstorm WarningBUFWayne66 min
Sep 29, 6:58 AM EDTSevere Thunderstorm WarningBUFJefferson, Oswego62 min
Sep 29, 7:37 AM EDTSevere Thunderstorm WarningBUFCayuga23 min
Sep 29, 7:43 AM EDTSevere Thunderstorm WarningBUFLewis62 min
Sep 29, 7:50 AM EDTSpecial Marine WarningBUF40 min
Sep 29, 7:58 AM EDTSevere Thunderstorm WarningBUFJefferson, Oswego47 min
Sep 29, 8:35 AM EDTSpecial Marine WarningBUF40 min
Sep 29, 8:48 AM EDTSevere Thunderstorm WarningBUFLewis33 min
Sep 29, 3:46 PM EDTFrost AdvisoryBUFAllegany, Cattaraugus16 hr

Nearby

Severe Thunderstorm Warnings in New York, 2005Every 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.