Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 48, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 23, 2011, 4:00 AM EDT for 4 counties in New York. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 23, 2011, 4:00 AM EDT (08:00 UTC)
- Expired
- Jun 23, 2011, 4:45 AM EDT
- In force
- 45 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 112 km from the middle of the area, began a volume at 08:02 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.0 hours before the alert went out and 109 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
- 615 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 958 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
767
WUUS51 KBUF 230800
SVRBUF
NYC051-055-069-117-230845-
/O.NEW.KBUF.SV.W.0048.110623T0800Z-110623T0845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
400 AM EDT THU JUN 23 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN LIVINGSTON COUNTY IN WESTERN NEW YORK
SOUTHEASTERN MONROE COUNTY IN WESTERN NEW YORK
NORTHERN ONTARIO COUNTY IN WESTERN NEW YORK
WESTERN WAYNE COUNTY IN WESTERN NEW YORK
* UNTIL 445 AM EDT
* AT 357 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR LIMA...OR 10
MILES NORTHEAST OF GENESEO...AND MOVING NORTHEAST AT 40 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
HONEOYE FALLS...
VICTOR...
PALMYRA...
MARION...
LAT...LON 4328 7721 4292 7697 4280 7739 4273 7767
4299 7770
TIME...MOT...LOC 0800Z 236DEG 35KT 4290 7761
$$
APFFEL2 follow-up statements
978 WWUS51 KBUF 230824 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 424 AM EDT THU JUN 23 2011 NYC051-230834- /O.CAN.KBUF.SV.W.0048.000000T0000Z-110623T0845Z/ LIVINGSTON NY- 424 AM EDT THU JUN 23 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LIVINGSTON COUNTY IS CANCELLED... THE STORM HAS EXITED THE COUNTY. LAT...LON 4278 7750 4306 7759 4328 7721 4292 7697 TIME...MOT...LOC 0824Z 236DEG 35KT 4303 7734 $$ NYC055-069-117-230845- /O.CON.KBUF.SV.W.0048.000000T0000Z-110623T0845Z/ ONTARIO NY-WAYNE NY-MONROE NY- 424 AM EDT THU JUN 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR SOUTHEASTERN MONROE...WESTERN WAYNE AND NORTHERN ONTARIO COUNTIES... AT 420 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VICTOR...OR 7 MILES SOUTHEAST OF FAIRPORT...MOVING NORTHEAST AT 40 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... MACEDON... PALMYRA... MARION... PRECAUTIONARY/PREPAREDNESS ACTIONS... RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM. && LAT...LON 4278 7750 4306 7759 4328 7721 4292 7697 TIME...MOT...LOC 0824Z 236DEG 35KT 4303 7734 $$ APFFEL
145 WWUS51 KBUF 230838 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 438 AM EDT THU JUN 23 2011 NYC055-069-117-230848- /O.EXP.KBUF.SV.W.0048.000000T0000Z-110623T0845Z/ ONTARIO NY-WAYNE NY-MONROE NY- 438 AM EDT THU JUN 23 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE...WESTERN WAYNE AND NORTHERN ONTARIO COUNTIES WILL EXPIRE AT 445 AM EDT... AT 438 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4278 7750 4306 7759 4328 7721 4292 7697 TIME...MOT...LOC 0838Z 236DEG 35KT 4310 7718 $$ APFFEL
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 8:23 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 37 min |
| Jun 22, 8:41 PM EDT | Tornado Warning | BUF | Ontario | 19 min |
| Jun 23, 12:50 AM EDT | Special Marine Warning | BUF | 54 min | |
| Jun 23, 3:48 AM EDT | Special Weather Statement | BUF | Livingston, Ontario | 57 min |
| Jun 23, 2:41 PM EDT | Special Weather Statement | BUF | Lewis | 64 min |
| Jun 23, 3:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Jun 23, 4:18 PM EDT | Areal Flood Advisory | BUF | Erie, Niagara | 62 min |
| Jun 23, 5:01 PM EDT | Special Weather Statement | BUF | Genesee, Monroe | 59 min |
| Jun 23, 7:55 PM EDT | Special Marine Warning | BUF | 35 min |
Nearby
Severe Thunderstorm Warnings in New York, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.