Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 23, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 26, 2011, 5:30 PM EDT for Chautauqua County, New York. It was in force for 60 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
- May 26, 2011, 5:30 PM EDT (21:30 UTC)
- Expired
- May 26, 2011, 6:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 21:30 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 26, 5:50 PM EDT | TSTM WND DMG | Sherman, NY | TREES WIRES DOWN |
| May 26, 6:00 PM EDT | TSTM WND DMG | Mayville, NY | TREES WIRES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.5 hours before the alert went out and 107 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
- 72 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
945
WUUS51 KBUF 262130
SVRBUF
NYC013-262230-
/O.NEW.KBUF.SV.W.0023.110526T2130Z-110526T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
530 PM EDT THU MAY 26 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHAUTAUQUA COUNTY IN WESTERN NEW YORK
* UNTIL 630 PM EDT
* AT 525 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 12
MILES WEST OF FINDLEY LAKE...OR 36 MILES WEST OF JAMESTOWN...AND
MOVING NORTHEAST AT 45 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
WESTFIELD...
FREDONIA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.
&&
LAT...LON 4226 7977 4228 7975 4248 7927 4233 7908
4200 7933 4199 7974 4200 7977
TIME...MOT...LOC 2130Z 238DEG 41KT 4214 7988
$$
TMA3 follow-up statements
821
WWUS51 KBUF 262200
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
600 PM EDT THU MAY 26 2011
NYC013-262230-
/O.CON.KBUF.SV.W.0023.000000T0000Z-110526T2230Z/
CHAUTAUQUA NY-
600 PM EDT THU MAY 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CENTRAL CHAUTAUQUA COUNTY...
AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MAYVILLE...OR 17 MILES SOUTHWEST OF FREDONIA...MOVING
NORTHEAST AT 45 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
STOCKTON...
CASSADAGA...
FREDONIA...
ARKWRIGHT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.
&&
LAT...LON 4208 7960 4227 7973 4248 7927 4233 7908
4208 7927
TIME...MOT...LOC 2200Z 238DEG 41KT 4230 7947
$$
RSH129 WWUS51 KBUF 262218 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 618 PM EDT THU MAY 26 2011 NYC013-262230- /O.CON.KBUF.SV.W.0023.000000T0000Z-110526T2230Z/ CHAUTAUQUA NY- 618 PM EDT THU MAY 26 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR EASTERN CHAUTAUQUA COUNTY... AT 615 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CASSADAGA...OR 6 MILES SOUTH OF FREDONIA...MOVING NORTHEAST AT 45 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... RURAL CHAUTAUQUA COUNTY PRECAUTIONARY/PREPAREDNESS ACTIONS... DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 4210 7925 4238 7949 4248 7927 4233 7908 TIME...MOT...LOC 2218Z 238DEG 41KT 4241 7923 $$ RSH
118 WWUS51 KBUF 262230 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 630 PM EDT THU MAY 26 2011 NYC013-262240- /O.EXP.KBUF.SV.W.0023.000000T0000Z-110526T2230Z/ CHAUTAUQUA NY- 630 PM EDT THU MAY 26 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHAUTAUQUA COUNTY HAS EXPIRED... RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE STILL POSSIBLE FROM A SEPARATE...NEWLY FORMED THUNDERSTORM. THE ORIGINAL SEVERE STORM HAS EXITED THE AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FRIDAY MORNING FOR WESTERN NEW YORK. LAT...LON 4210 7925 4238 7949 4248 7927 4233 7908 TIME...MOT...LOC 2230Z 238DEG 41KT 4248 7907 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:28 PM EDT | Special Weather Statement | BUF | Chautauqua | 62 min |
| May 25, 9:01 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 59 min |
| May 25, 9:03 PM EDT | Special Marine Warning | BUF | 57 min | |
| May 25, 9:41 PM EDT | Areal Flood Advisory | BUF | Erie, Genesee, Niagara, Orleans, Wyoming | 3 hr |
| May 25, 9:46 PM EDT | Special Marine Warning | BUF | 44 min | |
| May 25, 10:11 PM EDT | Areal Flood Advisory | BUF | Cattaraugus, Chautauqua | 3 hr |
| May 25, 10:14 PM EDT | Special Marine Warning | BUF | 31 min | |
| May 26, 7:03 AM EDT | Special Weather Statement | BUF | Genesee, Monroe, Niagara, Orleans | 57 min |
| May 26, 10:22 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 53 min |
| May 26, 2:56 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 64 min |
| May 26, 3:20 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 40 min |
| May 26, 3:37 PM EDT | Small Craft Advisory | BUF | 19 hr | |
| May 26, 5:43 PM EDT | Tornado Warning | BUF | Chautauqua | 32 min |
| May 26, 6:08 PM EDT | Tornado Warning | BUF | Cattaraugus, Chautauqua | 38 min |
| May 26, 7:04 PM EDT | Special Weather Statement | BUF | Genesee, Monroe | 56 min |
| May 26, 7:05 PM EDT | Areal Flood Advisory | BUF | Chautauqua | 3 hr |
| May 26, 7:24 PM EDT | Special Marine Warning | BUF | 51 min | |
| May 26, 7:38 PM EDT | Special Marine Warning | BUF | 54 min | |
| May 26, 7:55 PM EDT | Special Weather Statement | BUF | Lewis | 65 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.