Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 26, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2011, 10:04 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 56 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
- May 29, 2011, 10:04 PM EDT (02:04 UTC)
- Expired
- May 29, 2011, 11:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Allegany County, NY, Cattaraugus County, NY
The radar
The Buffalo radar (KBUF), 82 km from the middle of the area, began a volume at 02:06 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 |
|---|---|---|---|
| May 29, 10:25 PM EDT | TSTM WND DMG | Cuba, NY | MULTIPLE TREES DOWN. |
| May 29, 10:28 PM EDT | TSTM WND DMG | Belfast, NY | TREE DOWN |
| May 29, 10:35 PM EDT | TSTM WND DMG | Belmont, NY | MULTIPLE 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 |
|---|---|---|---|
| May 29, 8:52 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.1 hours before the alert went out and 79 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.
- Mixed-layer CAPE
- 1339 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
927
WUUS51 KBUF 300204
SVRBUF
NYC003-009-300300-
/O.NEW.KBUF.SV.W.0026.110530T0204Z-110530T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1004 PM EDT SUN MAY 29 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ALLEGANY COUNTY IN WESTERN NEW YORK
EASTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
* UNTIL 1100 PM EDT
* AT 1001 PM 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 6 MILES NORTHEAST OF ASHFORD HOLLOW TO 10 MILES SOUTHWEST
OF ALLEGANY......AND MOVING EAST AT 40 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
ST. BONAVENTURE...
HINSDALE...
WESTON MILLS...
RUSHFORD...
HOUGHTON...
BELFAST...
WELLSVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS. 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.
THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 4200 7868 4248 7869 4250 7863 4251 7788
4200 7791
TIME...MOT...LOC 0204Z 252DEG 35KT 4248 7856 4202 7863
$$
TMA2 follow-up statements
823 WWUS51 KBUF 300234 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1034 PM EDT SUN MAY 29 2011 NYC009-300242- /O.CAN.KBUF.SV.W.0026.000000T0000Z-110530T0300Z/ CATTARAUGUS NY- 1034 PM EDT SUN MAY 29 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CATTARAUGUS COUNTY IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT MONDAY MORNING FOR WESTERN NEW YORK. LAT...LON 4201 7825 4251 7823 4251 7788 4200 7791 TIME...MOT...LOC 0232Z 252DEG 35KT 4249 7800 4210 7810 $$ NYC003-300300- /O.CON.KBUF.SV.W.0026.000000T0000Z-110530T0300Z/ ALLEGANY NY- 1034 PM EDT SUN MAY 29 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR CENTRAL ALLEGANY COUNTY... AT 1030 PM 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 WILL PASS THROUGH AND NORTH OF WELLSVILLE AND SCIO AROUND 1040 PM. SOME LOCATIONS IN THE WARNING INCLUDE... SCIO... WELLSVILLE... PRECAUTIONARY/PREPAREDNESS ACTIONS... THESE ARE DANGEROUS STORMS. 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 100 AM EDT MONDAY MORNING FOR WESTERN NEW YORK. && LAT...LON 4201 7825 4251 7823 4251 7788 4200 7791 TIME...MOT...LOC 0232Z 252DEG 35KT 4249 7800 4210 7810 $$ APFFEL
479 WWUS51 KBUF 300252 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1052 PM EDT SUN MAY 29 2011 NYC003-300302- /O.EXP.KBUF.SV.W.0026.000000T0000Z-110530T0300Z/ ALLEGANY NY- 1052 PM EDT SUN MAY 29 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ALLEGANY COUNTY WILL EXPIRE AT 1100 PM EDT... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT MONDAY MORNING FOR WESTERN NEW YORK. LAT...LON 4201 7825 4251 7823 4251 7788 4200 7791 TIME...MOT...LOC 0252Z 252DEG 35KT 4255 7775 4216 7785 $$ APFFEL
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:03 PM EDT | Special Marine Warning | BUF | 87 min | |
| May 29, 8:34 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 56 min |
| May 29, 8:58 PM EDT | Special Marine Warning | BUF | 62 min | |
| May 29, 9:17 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 58 min |
| May 29, 9:24 PM EDT | Special Weather Statement | BUF | Erie, Niagara | 51 min |
| May 29, 9:42 PM EDT | Special Marine Warning | BUF | 33 min | |
| May 29, 9:57 PM EDT | Special Marine Warning | BUF | 63 min | |
| May 29, 10:18 PM EDT | Special Weather Statement | BUF | Genesee, Livingston, Monroe, Orleans, Wyoming | 57 min |
| May 29, 10:21 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Genesee, Livingston, Wyoming | 34 min |
| May 29, 10:27 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans | 63 min |
| May 29, 10:30 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 26 min |
| May 29, 10:41 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Ontario, Wyoming | 50 min |
| May 29, 10:57 PM EDT | Special Marine Warning | BUF | 63 min | |
| May 29, 11:13 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Ontario, Wayne | 62 min |
| May 29, 11:39 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 66 min |
| May 29, 11:44 PM EDT | Special Marine Warning | BUF | 46 min | |
| May 30, 12:31 AM EDT | Special Weather Statement | BUF | Lewis | 74 min |
Nearby
Severe Thunderstorm Warnings in New York, 2011Every severe thunderstorm warning in 2011
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.