Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 99, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 28, 2011, 3:46 PM EDT for Wayne County, New York. It was in force for 29 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 28, 2011, 3:46 PM EDT (19:46 UTC)
- Expired
- Sep 28, 2011, 4:15 PM EDT
- In force
- 29 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Wayne County, NY
The radar
The Buffalo radar (KBUF), 131 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 128 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
- 608 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -5 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.
039
WUUS51 KBUF 281946
SVRBUF
NYC117-282015-
/O.NEW.KBUF.SV.W.0099.110928T1946Z-110928T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
346 PM EDT WED SEP 28 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN WAYNE COUNTY IN WESTERN NEW YORK
* UNTIL 415 PM EDT
* AT 343 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
PALMYRA...OR 12 MILES NORTH OF CANANDAIGUA...AND MOVING NORTH AT 20
MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
MARION...
WILLIAMSON...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4304 7713 4303 7733 4329 7730 4330 7709
4327 7700 4301 7708 4302 7713
TIME...MOT...LOC 1946Z 189DEG 17KT 4307 7720
$$
HIBBERT1 follow-up statement
466
WWUS51 KBUF 282002
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
402 PM EDT WED SEP 28 2011
NYC117-282015-
/O.CON.KBUF.SV.W.0099.000000T0000Z-110928T2015Z/
WAYNE NY-
402 PM EDT WED SEP 28 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WESTERN WAYNE COUNTY...
AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MARION...OR 12 MILES EAST OF WEBSTER...MOVING NORTH AT
20 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
WILLIAMSON...
PULTNEYVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE
NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4309 7714 4311 7732 4321 7731 4328 7730
4329 7709 4326 7700
TIME...MOT...LOC 2002Z 189DEG 17KT 4317 7719
$$
HIBBERTThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 4:03 PM EDT | Small Craft Advisory | BUF | 4 days | |
| Sep 28, 4:10 PM EDT | Special Marine Warning | BUF | 49 min | |
| Sep 28, 4:15 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 15 min |
| Sep 28, 6:10 PM EDT | Areal Flood Advisory | BUF | Monroe, Ontario, Wayne | 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.