Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 93, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 11, 2011, 1:33 PM EDT for Livingston County, Wyoming County, New York. It was in force for 42 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
- Sep 11, 2011, 1:33 PM EDT (17:33 UTC)
- Expired
- Sep 11, 2011, 2:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Livingston County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 63 km from the middle of the area, began a volume at 17:36 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 12:00Z, 5.6 hours before the alert went out and 60 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
- 1397 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
770
WUUS51 KBUF 111733
SVRBUF
NYC051-121-111815-
/O.NEW.KBUF.SV.W.0093.110911T1733Z-110911T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
133 PM EDT SUN SEP 11 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL LIVINGSTON COUNTY IN WESTERN NEW YORK
NORTHEASTERN WYOMING COUNTY IN WESTERN NEW YORK
* UNTIL 215 PM EDT
* AT 131 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
PERRY...OR 9 MILES WEST OF GENESEO...AND MOVING EAST AT 5 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
MOUNT MORRIS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAIL UP TO ONE INCH IN DIAMETER HAS BEEN REPORTED IN MIDDLEBURY
BETWEEN ATTICA AND WYOMING. THIS STORM WILL ALSO PRODUCE RAINFALL AT
ONE TO TWO INCHES PER HOUR WHICH MAY RESULT IN FLOODING. IF YOU ARE
IN THE PATH OF THIS STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE
AND PROPERTY.
&&
LAT...LON 4271 7810 4285 7810 4287 7804 4287 7796
4290 7795 4291 7779 4267 7781
TIME...MOT...LOC 1732Z 260DEG 6KT 4277 7799
$$
HIBBERT1 follow-up statement
536
WWUS51 KBUF 111800
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
200 PM EDT SUN SEP 11 2011
NYC051-121-111815-
/O.CON.KBUF.SV.W.0093.000000T0000Z-110911T1815Z/
LIVINGSTON NY-WYOMING NY-
200 PM EDT SUN SEP 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHEASTERN WYOMING AND WEST CENTRAL LIVINGSTON COUNTIES...
AT 159 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LEICESTER...OR 6 MILES WEST OF GENESEO...MOVING EAST AT
5 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
LEICESTER...
LAT...LON 4270 7803 4270 7805 4285 7807 4287 7804
4286 7796 4290 7795 4290 7787 4288 7779
4267 7781
TIME...MOT...LOC 1800Z 260DEG 6KT 4278 7793
$$
APFFELThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 12:34 PM EDT | Special Weather Statement | BUF | Erie | 56 min |
| Sep 11, 12:40 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 3 hr |
| Sep 11, 12:43 PM EDT | Special Weather Statement | BUF | Genesee | 62 min |
| Sep 11, 12:46 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Wyoming | 44 min |
| Sep 11, 1:34 PM EDT | Flash Flood Warning | BUF | Livingston, Wyoming | 3 hr |
| Sep 11, 1:55 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 50 min |
| Sep 11, 2:04 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Wyoming | 41 min |
| Sep 11, 2:17 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Ontario, Wyoming | 43 min |
| Sep 11, 2:46 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 44 min |
| Sep 11, 4:31 PM EDT | Special Weather Statement | BUF | Chautauqua | 59 min |
| Sep 11, 5:01 PM EDT | Special Weather Statement | BUF | Erie | 59 min |
| Sep 11, 5:21 PM EDT | Areal Flood Advisory | BUF | Niagara | 114 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.