Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 79, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 8, 2012, 10:33 AM EDT for 7 counties in New York. It was in force for 57 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
- Sep 8, 2012, 10:33 AM EDT (14:33 UTC)
- Expired
- Sep 8, 2012, 11:30 AM EDT
- In force
- 57 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Orleans County, NY, Wayne County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 96 km from the middle of the area, began a volume at 14:36 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 8, 10:50 AM EDT | TSTM WND DMG | Warsaw, NY | TREES AND POWER LINES DOWN. |
| Sep 8, 11:30 AM EDT | TSTM WND DMG | Conesus, NY | TREES AND WIRES DOWN. |
| Sep 8, 11:30 AM EDT | MARINE TSTM WIND 46 | Irondequoit, NY |
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 8, 10:03 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 2.6 hours before the alert went out and 309 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
- 113 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 869 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 397 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
979
WUUS51 KBUF 081433
SVRBUF
NYC037-051-055-069-073-117-121-081530-
/O.NEW.KBUF.SV.W.0079.120908T1433Z-120908T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1033 AM EDT SAT SEP 8 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN GENESEE COUNTY IN WESTERN NEW YORK
NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK
MONROE COUNTY IN WESTERN NEW YORK
WESTERN ONTARIO COUNTY IN WESTERN NEW YORK
EASTERN ORLEANS COUNTY IN WESTERN NEW YORK
WESTERN WAYNE COUNTY IN WESTERN NEW YORK
NORTHERN WYOMING COUNTY IN WESTERN NEW YORK
* UNTIL 1130 AM EDT
* AT 1031 AM EDT...THE PUBLIC REPORTED 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 NORTH OF
HAMLIN BEACH TO 13 MILES SOUTHWEST OF WARSAW...AND MOVING EAST AT 40 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
HAMLIN BEACH...
PAVILION...
SPENCERPORT...
PERRY...
YORK...
ROCHESTER...
HENRIETTA...
CONESUS...
PENFIELD...
ONTARIO...
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 WIDESPREAD WIND DAMAGE
ACROSS WESTERN NEW YORK. THIS IS AN EXTREMELY DANGEROUS
SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS!
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.
&&
LAT...LON 4338 7799 4336 7787 4335 7776 4324 7755
4329 7737 4330 7709 4329 7706 4276 7723
4275 7731 4266 7735 4263 7836
TIME...MOT...LOC 1432Z 268DEG 36KT 4351 7793 4264 7834
$$
THOMAS1 follow-up statement
216
WWUS51 KBUF 081509
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1109 AM EDT SAT SEP 8 2012
NYC073-081517-
/O.CAN.KBUF.SV.W.0079.000000T0000Z-120908T1530Z/
ORLEANS NY-
1109 AM EDT SAT SEP 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ORLEANS COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.
LAT...LON 4265 7823 4335 7776 4324 7755 4329 7737
4330 7709 4329 7706 4276 7723 4275 7731
4266 7735
TIME...MOT...LOC 1507Z 268DEG 36KT 4356 7728 4267 7800
$$
NYC037-051-055-069-117-121-081530-
/O.CON.KBUF.SV.W.0079.000000T0000Z-120908T1530Z/
GENESEE NY-LIVINGSTON NY-ONTARIO NY-WYOMING NY-WAYNE NY-MONROE NY-
1109 AM EDT SAT SEP 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT
FOR MONROE...WESTERN WAYNE...NORTHEASTERN WYOMING...WESTERN
ONTARIO...NORTHERN LIVINGSTON AND EASTERN GENESEE COUNTIES...
AT 1103 AM EDT...THE PUBLIC REPORTED A LINE OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 21 MILES NORTHWEST OF
PULTNEYVILLE TO SILVER SPRINGS...MOVING EAST AT 40 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
WEBSTER...
SONYEA...
ONTARIO...
PULTNEYVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE
ACROSS WESTERN NEW YORK. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.
&&
LAT...LON 4265 7823 4335 7776 4324 7755 4329 7737
4330 7709 4329 7706 4276 7723 4275 7731
4266 7735
TIME...MOT...LOC 1507Z 268DEG 36KT 4356 7728 4267 7800
$$
THOMASThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 8:45 AM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua, Erie, Niagara, Orleans | 90 min |
| Sep 8, 8:59 AM EDT | Special Marine Warning | BUF | 64 min | |
| Sep 8, 9:10 AM EDT | Special Marine Warning | BUF | 95 min | |
| Sep 8, 9:12 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie, Niagara | 63 min |
| Sep 8, 9:51 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans, Wyoming | 54 min |
| Sep 8, 10:05 AM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Livingston, Wyoming | 55 min |
| Sep 8, 10:40 AM EDT | Special Marine Warning | BUF | 65 min | |
| Sep 8, 10:55 AM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Ontario, Wyoming | 80 min |
| Sep 8, 11:20 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Livingston, Monroe, Ontario, Oswego, Wayne | 70 min |
| Sep 8, 11:49 AM EDT | Special Marine Warning | BUF | 86 min | |
| Sep 8, 12:09 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Oswego | 66 min |
| Sep 8, 12:47 PM EDT | Special Marine Warning | BUF | 118 min | |
| Sep 8, 1:05 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 55 min |
| Sep 8, 1:47 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 58 min |
| Sep 8, 4:10 PM EDT | Special Weather Statement | BUF | Erie | 50 min |
| Sep 8, 5:15 PM EDT | Special Marine Warning | BUF | 50 min | |
| Sep 8, 5:31 PM EDT | Special Marine Warning | BUF | 44 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.