Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 95, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 11, 2011, 2:04 PM EDT for Genesee County, Wyoming County, New York. It was in force for 41 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
- Sep 11, 2011, 2:04 PM EDT (18:04 UTC)
- Expired
- Sep 11, 2011, 2:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Genesee County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 33 km from the middle of the area, began a volume at 18:03 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 |
|---|---|---|---|
| Sep 11, 2:10 PM EDT | HAIL 0.75 | Varysburg, 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, 6.1 hours before the alert went out and 29 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.
957
WUUS51 KBUF 111804
SVRBUF
NYC037-121-111845-
/O.NEW.KBUF.SV.W.0095.110911T1804Z-110911T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
204 PM EDT SUN SEP 11 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN GENESEE COUNTY IN WESTERN NEW YORK
NORTHERN WYOMING COUNTY IN WESTERN NEW YORK
* UNTIL 245 PM EDT
* AT 159 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 4 MILES
WEST OF VARYSBURG...OR 11 MILES EAST OF EAST AURORA...AND MOVING
EAST AT 20 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
VARYSBURG...
WARSAW...
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 4278 7846 4278 7848 4287 7848 4287 7846
4291 7846 4292 7810 4270 7808 4266 7846
TIME...MOT...LOC 1804Z 260DEG 17KT 4276 7838
$$
HIBBERT1 follow-up statement
731 WWUS51 KBUF 111832 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 232 PM EDT SUN SEP 11 2011 NYC037-121-111845- /O.CON.KBUF.SV.W.0095.000000T0000Z-110911T1845Z/ GENESEE NY-WYOMING NY- 232 PM EDT SUN SEP 11 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR CENTRAL WYOMING AND SOUTH CENTRAL GENESEE COUNTIES... AT 231 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VARYSBURG...OR 16 MILES SOUTH OF BATAVIA...MOVING EAST AT 15 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... WARSAW... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 4268 7831 4288 7836 4292 7810 4270 7808 TIME...MOT...LOC 1832Z 260DEG 12KT 4278 7824 $$ HIBBERT
The 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, 1:33 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Wyoming | 42 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, 2:17 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.