Alert archive / New York / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 71, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 9, 2011, 1:22 PM EDT for Ontario County, New York. It was in force for 15 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 9, 2011, 1:22 PM EDT (17:22 UTC)
- Expired
- Aug 9, 2011, 1:37 PM EDT
- In force
- 15 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Ontario County, NY
The radar
The Binghamton radar (KBGM), 116 km from the middle of the area, began a volume at 17:25 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, 5.4 hours before the alert went out and 135 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
- 485 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
064
WUUS51 KBUF 091722
SVRBUF
NYC069-091745-
/O.NEW.KBUF.SV.W.0071.110809T1722Z-110809T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
122 PM EDT TUE AUG 9 2011
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN ONTARIO COUNTY IN WESTERN NEW YORK
* UNTIL 145 PM EDT
* AT 117 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR PHELPS...AND
MOVING NORTHEAST AT 35 MPH.
LAT...LON 4294 7720 4302 7708 4301 7696 4287 7695
4286 7697 4277 7698 4277 7702
TIME...MOT...LOC 1721Z 230DEG 28KT 4293 7702
$$
NIZIOL1 follow-up statement
113
WWUS51 KBUF 091737
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
137 PM EDT TUE AUG 9 2011
NYC069-091745-
/O.CAN.KBUF.SV.W.0071.000000T0000Z-110809T1745Z/
ONTARIO NY-
137 PM EDT TUE AUG 9 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ONTARIO COUNTY IS
CANCELLED...
AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD MOVED EAST OF THE WARNED
AREA...THUS THE WARNING HAS BEEN CANCELLED.
LAT...LON 4294 7720 4302 7708 4301 7696 4287 7695
4286 7697 4277 7698 4277 7702
TIME...MOT...LOC 1735Z 242DEG 29KT 4288 7685
$$
NIZIOLThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:09 PM EDT | Special Weather Statement | BUF | Ontario | 51 min |
| Aug 9, 3:55 PM EDT | Small Craft Advisory | BUF | 52 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.