Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 44, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 2012, 2:39 PM EDT for Allegany County, New York. It was in force for 51 min. 5 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
- Jul 26, 2012, 2:39 PM EDT (18:39 UTC)
- Expired
- Jul 26, 2012, 3:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Allegany County, NY
The radar
The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 18:43 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 |
|---|---|---|---|
| Jul 26, 2:40 PM EDT | TSTM WND DMG | Belmont, NY | TREES AND WIRES DOWN |
| Jul 26, 2:55 PM EDT | TSTM WND DMG | Bolivar, NY | TREES AND WIRES DOWN |
| Jul 26, 2:57 PM EDT | TSTM WND DMG | Wellsville, NY | TREES AND WIRES DOWN |
| Jul 26, 3:03 PM EDT | TSTM WND DMG | Alma, NY | TREE FELL ON VEHICLE |
| Jul 26, 3:15 PM EDT | TSTM WND DMG | Whitesville, NY | TREES AND WIRES 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 |
|---|---|---|---|
| Jul 26, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.7 hours before the alert went out and 256 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
- 2136 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
855
WUUS51 KBUF 261839
SVRBUF
NYC003-261945-
/O.NEW.KBUF.SV.W.0044.120726T1839Z-120726T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
239 PM EDT THU JUL 26 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN ALLEGANY COUNTY IN WESTERN NEW YORK
* UNTIL 345 PM EDT
* AT 236 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 10 MILES NORTHWEST OF ALFRED TO 17 MILES WEST OF
WELLSVILLE...AND MOVING EAST AT 40 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
ALFRED...
WELLSVILLE...
WHITESVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR WESTERN NEW YORK.
&&
LAT...LON 4200 7817 4200 7818 4229 7817 4227 7773
4200 7774 4199 7775
TIME...MOT...LOC 1838Z 287DEG 36KT 4234 7791 4225 7803
4217 7825
$$
RSH3 follow-up statements
210
WWUS51 KBUF 261901
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
301 PM EDT THU JUL 26 2012
NYC003-261945-
/O.CON.KBUF.SV.W.0044.000000T0000Z-120726T1945Z/
ALLEGANY NY-
301 PM EDT THU JUL 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN ALLEGANY COUNTY...
AT 300 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ALFRED TO ANDOVER TO BOLIVAR...OR ALONG A LINE
EXTENDING FROM HORNELL TO WELLSVILLE TO 10 MILES SOUTHWEST OF
WELLSVILLE...MOVING EAST AT 40 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
WHITESVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THESE STORMS.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR WESTERN NEW YORK.
&&
LAT...LON 4200 7818 4229 7817 4227 7773 4200 7774
4199 7775
TIME...MOT...LOC 1901Z 287DEG 36KT 4225 7764 4213 7780
4203 7807
$$
RSH121 WWUS51 KBUF 261919 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 319 PM EDT THU JUL 26 2012 NYC003-261945- /O.CON.KBUF.SV.W.0044.000000T0000Z-120726T1945Z/ ALLEGANY NY- 319 PM EDT THU JUL 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR SOUTHEASTERN ALLEGANY COUNTY... AT 315 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ANDOVER TO STANNARDS...MOVING EAST AT 40 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... WHITESVILLE AND INDEPENDENCE AND ANDOVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING FOR CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR WESTERN NEW YORK. && LAT...LON 4200 7810 4223 7773 4200 7774 4199 7775 TIME...MOT...LOC 1919Z 287DEG 36KT 4209 7760 4198 7779 $$ RSH
206 WWUS51 KBUF 261930 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 330 PM EDT THU JUL 26 2012 NYC003-261940- /O.CAN.KBUF.SV.W.0044.000000T0000Z-120726T1945Z/ ALLEGANY NY- 330 PM EDT THU JUL 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALLEGANY COUNTY IS CANCELLED... AT 330 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA... THUS THE WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING FOR CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR WESTERN NEW YORK. LAT...LON 4200 7810 4223 7773 4200 7774 4199 7775 TIME...MOT...LOC 1930Z 287DEG 36KT 4206 7746 4195 7765 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:38 AM EDT | Special Marine Warning | BUF | 39 min | |
| Jul 26, 2:53 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 52 min |
| Jul 26, 2:59 AM EDT | Special Marine Warning | BUF | 61 min | |
| Jul 26, 3:11 AM EDT | Special Marine Warning | BUF | 64 min | |
| Jul 26, 3:20 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 55 min |
| Jul 26, 3:32 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Wyoming | 43 min |
| Jul 26, 4:02 AM EDT | Special Marine Warning | BUF | 43 min | |
| Jul 26, 4:27 AM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 63 min |
| Jul 26, 4:30 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 33 min |
| Jul 26, 1:07 PM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 68 min |
| Jul 26, 1:16 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 59 min |
| Jul 26, 1:37 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 38 min |
| Jul 26, 2:12 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 48 min |
| Jul 26, 2:18 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 42 min |
Nearby
Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning in 2012
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.