Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 46, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 21, 2011, 10:45 PM EDT for Erie County, New York. It was in force for 25 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
- Jun 21, 2011, 10:45 PM EDT (02:45 UTC)
- Expired
- Jun 21, 2011, 11:10 PM EDT
- In force
- 25 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Erie County, NY
The radar
The Buffalo radar (KBUF), 45 km from the middle of the area, began a volume at 02:46 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 |
|---|---|---|---|
| Jun 21, 11:00 PM EDT | TSTM WND DMG | 8 Wnw Springville, NY | TREES AND POWER LINES DOWN WITH DAMAGE TO OUTBUILDINGS. WIVB WEATHER BLOG. |
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 00:00Z, 2.8 hours before the alert went out and 43 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
- 1593 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
528 WUUS51 KBUF 220245 SVRBUF NYC029-220330- /O.NEW.KBUF.SV.W.0046.110622T0245Z-110622T0330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 1045 PM EDT TUE JUN 21 2011 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL ERIE COUNTY IN WESTERN NEW YORK * UNTIL 1130 PM EDT * AT 1041 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE OR LARGER HAIL. THIS STORM WAS LOCATED 6 MILES WEST OF SPRINGVILLE...AND MOVING NORTHEAST AT 5 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE... BOSTON... LAT...LON 4250 7891 4269 7874 4256 7852 4247 7875 TIME...MOT...LOC 0244Z 218DEG 5KT 4252 7879 $$ HIBBERT
2 follow-up statements
901 WWUS51 KBUF 220304 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1104 PM EDT TUE JUN 21 2011 NYC029-220330- /O.CON.KBUF.SV.W.0046.000000T0000Z-110622T0330Z/ ERIE NY- 1104 PM EDT TUE JUN 21 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR SOUTH CENTRAL ERIE COUNTY... AT 1100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE OR LARGER HAIL AND TORRENTIAL DOWNPOURS. THIS STORM WAS LOCATED 6 MILES SOUTH OF BOSTON...MOVING NORTHEAST AT 10 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... BOSTON... LAT...LON 4248 7874 4256 7886 4269 7874 4261 7861 TIME...MOT...LOC 0303Z 211DEG 8KT 4255 7877 $$ HIBBERT
202 WWUS51 KBUF 220310 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1110 PM EDT TUE JUN 21 2011 NYC029-220320- /O.CAN.KBUF.SV.W.0046.000000T0000Z-110622T0330Z/ ERIE NY- 1110 PM EDT TUE JUN 21 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ERIE COUNTY IS CANCELLED... AT 1110 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 CANCELLED. LAT...LON 4248 7874 4256 7886 4269 7874 4261 7861 TIME...MOT...LOC 0310Z 211DEG 8KT 4256 7876 $$ HIBBERT
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 10:37 PM EDT | Special Weather Statement | BUF | Erie | 53 min |
| Jun 22, 12:29 AM EDT | Special Marine Warning | BUF | 61 min | |
| Jun 22, 2:03 AM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 87 min |
| Jun 22, 2:14 AM EDT | Special Weather Statement | BUF | Genesee, Niagara, Orleans, Wyoming | 91 min |
| Jun 22, 2:39 AM EDT | Areal Flood Advisory | BUF | Allegany, Cattaraugus, Erie, Wyoming | 2 hr |
| Jun 22, 3:30 AM EDT | Areal Flood Advisory | BUF | Allegany | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.