Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 2, 2012, 7:38 PM EDT for Chautauqua County, Erie County, New York. It was in force for 37 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, 7:38 PM EDT (23:38 UTC)
- Expired
- May 2, 2012, 8:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Chautauqua County, NY, Erie County, NY
The radar
The Buffalo radar (KBUF), 41 km from the middle of the area, began a volume at 23:37 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, 7:42 PM EDT | HAIL 0.5 | Lake Erie Beach, NY | |
| May 2, 7:51 PM EDT | HAIL 1 | North Collins, 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, 11.6 hours before the alert went out and 40 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.
280
WUUS51 KBUF 022338
SVRBUF
NYC013-029-030015-
/O.NEW.KBUF.SV.W.0009.120502T2338Z-120503T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
738 PM EDT WED MAY 2 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME NORTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK
SOUTHERN ERIE COUNTY IN WESTERN NEW YORK
* UNTIL 815 PM EDT
* AT 733 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
ANGOLA ON THE LAKE...OR 11 MILES SOUTHWEST OF HAMBURG...AND MOVING
EAST AT 40 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
EDEN...
NORTH BOSTON...
BOSTON...
COLDEN...
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 4269 7906 4277 7888 4280 7849 4278 7846
4253 7847 4251 7860 4247 7870 4248 7874
4247 7876 4250 7898 4253 7899 4254 7903
4251 7906 4253 7918
TIME...MOT...LOC 2337Z 269DEG 35KT 4266 7898
$$
THOMAS2 follow-up statements
108
WWUS51 KBUF 030003
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
803 PM EDT WED MAY 2 2012
NYC013-030012-
/O.CAN.KBUF.SV.W.0009.000000T0000Z-120503T0015Z/
CHAUTAUQUA NY-
803 PM EDT WED MAY 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHEASTERN
CHAUTAUQUA COUNTY IS CANCELLED...
LAT...LON 4250 7898 4260 7898 4270 7887 4263 7848
4253 7847 4251 7860 4249 7867 4247 7870
4248 7870 4247 7876
TIME...MOT...LOC 0002Z 290DEG 28KT 4257 7880
$$
NYC029-030015-
/O.CON.KBUF.SV.W.0009.000000T0000Z-120503T0015Z/
ERIE NY-
803 PM EDT WED MAY 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHERN ERIE COUNTY...
AT 756 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 NORTH COLLINS...OR 10 MILES SOUTH OF HAMBURG...MOVING
EAST AT 30 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
SOUTH BOSTON...
SPRINGVILLE...
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.
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 4250 7898 4260 7898 4270 7887 4263 7848
4253 7847 4251 7860 4249 7867 4247 7870
4248 7870 4247 7876
TIME...MOT...LOC 0002Z 290DEG 28KT 4257 7880
$$
THOMAS178
WWUS51 KBUF 030015
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
815 PM EDT WED MAY 2 2012
NYC029-030025-
/O.EXP.KBUF.SV.W.0009.000000T0000Z-120503T0015Z/
ERIE NY-
815 PM EDT WED MAY 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ERIE COUNTY HAS
EXPIRED...
AT 815 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4250 7898 4260 7898 4270 7887 4263 7848
4253 7847 4251 7860 4249 7867 4247 7870
4248 7870 4247 7876
TIME...MOT...LOC 0015Z 290DEG 28KT 4253 7867
$$
THOMASThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:09 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 66 min |
| 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 |
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.