Alert archive / New York / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 63, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 9, 2015, 1:03 PM EDT for Allegany County, Livingston County, Ontario County, New York. It was in force for 42 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 9, 2015, 1:03 PM EDT (17:03 UTC)
- Expired
- Sep 9, 2015, 1:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Allegany County, NY, Livingston County, NY, Ontario County, NY
The radar
The Buffalo radar (KBUF), 95 km from the middle of the area, began a volume at 17:06 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, 5.1 hours before the alert went out and 92 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
- 252 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1035 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
585
WUUS51 KBUF 091703
SVRBUF
NYC003-051-069-091745-
/O.NEW.KBUF.SV.W.0063.150909T1703Z-150909T1745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
103 PM EDT WED SEP 9 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK...
SOUTHEASTERN LIVINGSTON COUNTY IN WESTERN NEW YORK...
NORTHEASTERN ALLEGANY COUNTY IN WESTERN NEW YORK...
* UNTIL 145 PM EDT
* AT 101 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR DANSVILLE...AND MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
DANSVILLE...NAPLES...GROVELAND...SPRINGWATER...OSSIAN...
CANASERAGA...HUNT HOLLOW AND OSSIAN CENTER.
THIS INCLUDES INTERSTATE 390 BETWEEN EXITS 4 AND 5.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4267 7788 4267 7737 4258 7737 4258 7766
4253 7766 4253 7772 4247 7772 4247 7791
TIME...MOT...LOC 1701Z 275DEG 37KT 4256 7779
$$
MITCHELL2 follow-up statements
359
WWUS51 KBUF 091723
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
123 PM EDT WED SEP 9 2015
NYC003-051-069-091745-
/O.CON.KBUF.SV.W.0063.000000T0000Z-150909T1745Z/
ONTARIO NY-LIVINGSTON NY-ALLEGANY NY-
123 PM EDT WED SEP 9 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR SOUTHWESTERN ONTARIO...SOUTHEASTERN LIVINGSTON AND NORTHEASTERN
ALLEGANY COUNTIES...
AT 122 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR WAYLAND...OR 10 MILES EAST OF DANSVILLE...MOVING EAST AT
40 MPH.
LOCATIONS IMPACTED INCLUDE...
DANSVILLE...NAPLES...GROVELAND...SPRINGWATER...OSSIAN...CANASERAGA...
HUNT HOLLOW AND OSSIAN CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. THIS STORM HAS A HISTORY OF
PRODUCING WIND DAMAGE. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM
ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD
ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4267 7788 4267 7737 4258 7737 4258 7766
4253 7766 4253 7772 4247 7772 4247 7791
TIME...MOT...LOC 1722Z 272DEG 33KT 4260 7750
$$
MITCHELL269
WWUS51 KBUF 091744
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
144 PM EDT WED SEP 9 2015
NYC003-051-069-091754-
/O.EXP.KBUF.SV.W.0063.000000T0000Z-150909T1745Z/
ONTARIO NY-LIVINGSTON NY-ALLEGANY NY-
144 PM EDT WED SEP 9 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ONTARIO...
SOUTHEASTERN LIVINGSTON AND NORTHEASTERN ALLEGANY COUNTIES WILL
EXPIRE AT 145 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 4267 7788 4267 7737 4258 7737 4258 7766
4253 7766 4253 7772 4247 7772 4247 7791
TIME...MOT...LOC 1741Z 275DEG 37KT 4260 7750
$$
WOODThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 10:26 AM EDT | Special Weather Statement | BUF | Monroe | 49 min |
| Sep 9, 10:36 AM EDT | Special Marine Warning | BUF | 54 min | |
| Sep 9, 11:19 AM EDT | Special Marine Warning | BUF | 56 min | |
| Sep 9, 11:43 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 62 min |
| Sep 9, 12:14 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Wyoming | 46 min |
| Sep 9, 12:39 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 51 min |
| Sep 9, 12:43 PM EDT | Severe Thunderstorm Warning | BUF | Lewis, Oswego | 62 min |
| Sep 9, 1:45 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 14 min |
| Sep 9, 1:47 PM EDT | Special Weather Statement | BUF | Cattaraugus | 43 min |
| Sep 9, 6:24 PM EDT | Small Craft Advisory | BUF | 9 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015
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.