Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 8, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 2, 2012, 7:09 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 66 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 2, 2012, 7:09 PM EDT (23:09 UTC)
- Expired
- May 2, 2012, 8:15 PM EDT
- In force
- 66 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Cattaraugus County, NY, Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 99 km from the middle of the area, began a volume at 23:10 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 2, 7:12 PM EDT | HAIL 0.75 | Bemus Point, NY | |
| May 2, 7:12 PM EDT | HAIL 1 | 1 W Bemus Point, NY |
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 98 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
798 WUUS51 KBUF 022309 SVRBUF NYC009-013-030015- /O.NEW.KBUF.SV.W.0008.120502T2309Z-120503T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 709 PM EDT WED MAY 2 2012 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK SOUTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK * UNTIL 815 PM EDT * AT 705 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 CHAUTAUQUA INSTITUTE...OR 12 MILES NORTHWEST OF JAMESTOWN...AND MOVING EAST AT 40 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE... FALCONER... SALAMANCA... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. 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. && LAT...LON 4200 7952 4225 7951 4235 7862 4199 7863 TIME...MOT...LOC 2308Z 268DEG 34KT 4217 7941 $$ THOMAS
3 follow-up statements
830 WWUS51 KBUF 022343 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 743 PM EDT WED MAY 2 2012 NYC009-013-030015- /O.CON.KBUF.SV.W.0008.000000T0000Z-120503T0015Z/ CATTARAUGUS NY-CHAUTAUQUA NY- 743 PM EDT WED MAY 2 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR EXTREME SOUTHEASTERN CHAUTAUQUA AND SOUTHWESTERN CATTARAUGUS COUNTIES... AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR RANDOLPH...OR 11 MILES EAST OF JAMESTOWN...MOVING EAST AT 40 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... ALLEGANY PARK... SALAMANCA... LIMESTONE... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. A TRAINED WEATHER SPOTTER REPORTED THREE QUARTER INCH HAIL IN BEMUS POINT WITH THIS STORM. && LAT...LON 4200 7909 4220 7908 4225 7862 4199 7863 TIME...MOT...LOC 2342Z 268DEG 34KT 4209 7896 $$ THOMAS
812 WWUS51 KBUF 022353 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 753 PM EDT WED MAY 2 2012 NYC013-030003- /O.CAN.KBUF.SV.W.0008.000000T0000Z-120503T0015Z/ CHAUTAUQUA NY- 753 PM EDT WED MAY 2 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN CHAUTAUQUA COUNTY IS CANCELLED... LAT...LON 4200 7891 4206 7891 4212 7862 4199 7863 TIME...MOT...LOC 2353Z 270DEG 26KT 4201 7877 $$ NYC009-030015- /O.CON.KBUF.SV.W.0008.000000T0000Z-120503T0015Z/ CATTARAUGUS NY- 753 PM EDT WED MAY 2 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR SOUTH CENTRAL CATTARAUGUS COUNTY... AT 751 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ALLEGANY PARK...OR 8 MILES WEST OF BRADFORD...MOVING EAST AT 30 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... LIMESTONE... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 4200 7891 4206 7891 4212 7862 4199 7863 TIME...MOT...LOC 2353Z 270DEG 26KT 4201 7877 $$ HITCHCOCK
382 WWUS51 KBUF 030009 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 809 PM EDT WED MAY 2 2012 NYC009-030019- /O.EXP.KBUF.SV.W.0008.000000T0000Z-120503T0015Z/ CATTARAUGUS NY- 809 PM EDT WED MAY 2 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CATTARAUGUS COUNTY WILL EXPIRE AT 815 PM EDT... AT 809 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 ALLOWED TO EXPIRE. LAT...LON 4200 7891 4206 7891 4212 7862 4199 7863 TIME...MOT...LOC 0009Z 270DEG 26KT 4201 7861 $$ HITCHCOCK
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:17 PM EDT | Special Weather Statement | BUF | Genesee | 43 min |
| May 2, 7:20 PM EDT | Special Marine Warning | BUF | 34 min | |
| May 2, 7:38 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua, Erie | 37 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.