Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 75, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 7, 2012, 7:33 PM EDT for Monroe County, Wayne County, New York. It was in force for 27 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 7, 2012, 7:33 PM EDT (23:33 UTC)
- Expired
- Sep 7, 2012, 8:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Monroe County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 123 km from the middle of the area, began a volume at 23:36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 7:35 PM EDT | TSTM WND DMG | Webster, NY | MEDIA REPORT OF TREES AND WIRES DOWN. |
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, 11.6 hours before the alert went out and 121 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
- 795 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
571
WUUS51 KBUF 072333
SVRBUF
NYC055-117-080000-
/O.NEW.KBUF.SV.W.0075.120907T2333Z-120908T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
733 PM EDT FRI SEP 7 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL MONROE COUNTY IN WESTERN NEW YORK
NORTHWESTERN WAYNE COUNTY IN WESTERN NEW YORK
* UNTIL 800 PM EDT
* AT 730 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
WEBSTER...AND MOVING NORTHEAST AT 30 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
ONTARIO...
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 4305 7742 4322 7751 4328 7745 4329 7735
4328 7726 4330 7709 4328 7700 4330 7689
TIME...MOT...LOC 2333Z 229DEG 28KT 4320 7737
$$
RSH1 follow-up statement
367
WWUS51 KBUF 080000
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
800 PM EDT FRI SEP 7 2012
NYC055-117-080010-
/O.EXP.KBUF.SV.W.0075.000000T0000Z-120908T0000Z/
WAYNE NY-MONROE NY-
800 PM EDT FRI SEP 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE AND
NORTHWESTERN WAYNE COUNTIES HAS EXPIRED...
AT 800 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4305 7742 4322 7751 4328 7745 4329 7735
4328 7726 4330 7709 4328 7700 4330 7689
TIME...MOT...LOC 2333Z 229DEG 28KT 4320 7737
$$
MITCHELLThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 3:44 PM EDT | Gale Warning | BUF | 24 hr | |
| Sep 7, 3:44 PM EDT | Small Craft Advisory | BUF | 36 hr | |
| Sep 7, 6:03 PM EDT | Special Weather Statement | BUF | Wyoming | 57 min |
| Sep 7, 6:08 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Livingston, Wyoming | 67 min |
| Sep 7, 6:41 PM EDT | Special Weather Statement | BUF | Cattaraugus | 64 min |
| Sep 7, 6:50 PM EDT | Special Weather Statement | BUF | Livingston | 55 min |
| Sep 7, 7:10 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 41 min |
| Sep 7, 7:37 PM EDT | Special Marine Warning | BUF | 53 min |
Nearby
Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning in 2012
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.