Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 76, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 13, 2011, 8:35 PM EDT for Ontario County, Wayne County, New York. It was in force for 55 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
- Aug 13, 2011, 8:35 PM EDT (00:35 UTC)
- Expired
- Aug 13, 2011, 9:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Ontario County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 119 km from the middle of the area, began a volume at 00:34 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, 0.6 hours before the alert went out and 116 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
- 43 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1765 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
728
WUUS51 KBUF 140035
SVRBUF
NYC069-117-140130-
/O.NEW.KBUF.SV.W.0076.110814T0035Z-110814T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT SAT AUG 13 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN ONTARIO COUNTY IN WESTERN NEW YORK
EXTREME SOUTHWESTERN WAYNE COUNTY IN WESTERN NEW YORK
* UNTIL 930 PM EDT
* AT 830 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 8
MILES NORTHWEST OF CANANDAIGUA...AND MOVING EAST AT 20 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
CLIFTON SPRINGS...
PHELPS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4294 7743 4303 7739 4304 7737 4304 7699
4288 7704
TIME...MOT...LOC 0035Z 275DEG 15KT 4298 7733
$$
HITCHCOCK2 follow-up statements
657 WWUS51 KBUF 140107 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 907 PM EDT SAT AUG 13 2011 NYC069-117-140130- /O.CON.KBUF.SV.W.0076.000000T0000Z-110814T0130Z/ ONTARIO NY-WAYNE NY- 907 PM EDT SAT AUG 13 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EXTREME SOUTH CENTRAL WAYNE AND NORTHEASTERN ONTARIO COUNTIES... AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CLIFTON SPRINGS...OR 7 MILES NORTHEAST OF CANANDAIGUA... MOVING EAST AT 15 MPH. SOME LOCATIONS IN THE WARNING INCLUDE... CLIFTON SPRINGS... PHELPS... LAT...LON 4294 7740 4304 7733 4304 7699 4288 7704 TIME...MOT...LOC 0106Z 275DEG 15KT 4296 7715 $$ HITCHCOCK
217 WWUS51 KBUF 140122 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 922 PM EDT SAT AUG 13 2011 NYC069-117-140132- /O.EXP.KBUF.SV.W.0076.000000T0000Z-110814T0130Z/ ONTARIO NY-WAYNE NY- 922 PM EDT SAT AUG 13 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTH CENTRAL WAYNE AND NORTHEASTERN ONTARIO COUNTIES WILL EXPIRE AT 930 PM EDT... AT 922 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 4294 7740 4304 7733 4304 7699 4288 7704 TIME...MOT...LOC 0122Z 275DEG 15KT 4295 7706 $$ HITCHCOCK
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:10 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 65 min |
| Aug 13, 9:16 PM EDT | Special Weather Statement | BUF | Ontario | 59 min |
| Aug 13, 9:56 PM EDT | Flash Flood Warning | BUF | Ontario | 3 hr |
| Aug 13, 11:06 PM EDT | Areal Flood Advisory | BUF | Livingston | 118 min |
| Aug 13, 11:43 PM EDT | Flash Flood Warning | BUF | Livingston | 75 min |
| Aug 14, 9:00 AM EDT | Special Weather Statement | BUF | Erie | 60 min |
| Aug 14, 9:28 AM EDT | Special Weather Statement | BUF | Erie | 47 min |
| Aug 14, 10:12 AM EDT | Areal Flood Advisory | BUF | Allegany, Cattaraugus, Erie, Wyoming | 3 hr |
| Aug 14, 10:12 AM EDT | Special Weather Statement | BUF | Erie, Wyoming | 48 min |
| Aug 14, 10:59 AM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus, Livingston, Wyoming | 3 hr |
| Aug 14, 11:10 AM EDT | Special Weather Statement | BUF | Erie | 50 min |
| Aug 14, 1:54 PM EDT | Flash Flood Warning | BUF | Livingston, Ontario | 3 hr |
| Aug 14, 2:33 PM EDT | Special Weather Statement | BUF | Monroe | 57 min |
| Aug 14, 2:40 PM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 5 hr |
| Aug 14, 5:53 PM EDT | Areal Flood Advisory | BUF | Jefferson, Lewis, Oswego | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.