Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 74, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 7, 2012, 7:10 PM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 41 min. 1 report 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 7, 2012, 7:10 PM EDT (23:10 UTC)
- Expired
- Sep 7, 2012, 7:51 PM EDT
- In force
- 41 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Livingston County, NY, Monroe County, NY, Ontario County, NY
The radar
The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 23:13 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 7, 7:35 PM EDT | TSTM WND DMG | Brighton, NY | MEDIA REPORTED TREES AND 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, 11.2 hours before the alert went out and 87 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
- 795 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
401 WUUS51 KBUF 072310 SVRBUF NYC051-055-069-080015- /O.NEW.KBUF.SV.W.0074.120907T2310Z-120908T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 710 PM EDT FRI SEP 7 2012 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK SOUTHEASTERN MONROE COUNTY IN WESTERN NEW YORK NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK * UNTIL 815 PM EDT * AT 710 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 NEAR YORK...OR 8 MILES NORTH OF GENESEO...AND MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE... AVON... SCOTTSVILLE... HONEOYE FALLS... HENRIETTA... BRIGHTON... FAIRPORT... 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. && LAT...LON 4322 7751 4294 7735 4285 7791 4293 7791 TIME...MOT...LOC 2310Z 235DEG 28KT 4292 7781 $$ RSH
2 follow-up statements
103 WWUS51 KBUF 072338 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 738 PM EDT FRI SEP 7 2012 NYC069-072348- /O.CAN.KBUF.SV.W.0074.000000T0000Z-120908T0015Z/ ONTARIO NY- 738 PM EDT FRI SEP 7 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ONTARIO COUNTY IS CANCELLED... LAT...LON 4322 7751 4306 7742 4289 7791 4293 7791 TIME...MOT...LOC 2338Z 235DEG 28KT 4311 7749 $$ NYC051-055-080015- /O.CON.KBUF.SV.W.0074.000000T0000Z-120908T0015Z/ LIVINGSTON NY-MONROE NY- 738 PM EDT FRI SEP 7 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR CENTRAL MONROE AND NORTH CENTRAL LIVINGSTON COUNTIES... AT 735 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 PITTSFORD...OR NEAR BRIGHTON...MOVING NORTHEAST AT 30 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... FAIRPORT AND THE SOUTHEASTERN SUBURBS OF ROCHESTER PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 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. && LAT...LON 4322 7751 4306 7742 4289 7791 4293 7791 TIME...MOT...LOC 2338Z 235DEG 28KT 4311 7749 $$ RSH
844 WWUS51 KBUF 072351 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 751 PM EDT FRI SEP 7 2012 NYC051-055-080001- /O.CAN.KBUF.SV.W.0074.000000T0000Z-120908T0015Z/ LIVINGSTON NY-MONROE NY- 751 PM EDT FRI SEP 7 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONROE AND NORTH CENTRAL LIVINGSTON COUNTIES IS CANCELLED... AT 751 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA... THUS THE WARNING HAS BEEN CANCELLED. LAT...LON 4322 7751 4306 7742 4289 7791 4293 7791 TIME...MOT...LOC 2351Z 235DEG 28KT 4317 7738 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 3:44 PM EDT | Gale Warning | BUF | 24 hr | |
| Sep 7, 3:44 PM EDT | Small Craft Advisory | BUF | 36 hr | |
| Sep 7, 6:03 PM EDT | Special Weather Statement | BUF | Wyoming | 57 min |
| Sep 7, 6:08 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Livingston, Wyoming | 67 min |
| Sep 7, 6:41 PM EDT | Special Weather Statement | BUF | Cattaraugus | 64 min |
| Sep 7, 6:50 PM EDT | Special Weather Statement | BUF | Livingston | 55 min |
| Sep 7, 7:33 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Wayne | 27 min |
| Sep 7, 7:37 PM EDT | Special Marine Warning | BUF | 53 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.