Alert archive / New York / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 98, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 28, 2009, 12:10 PM EDT for 7 counties in New York. It was in force for 65 min. 5 reports 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 28, 2009, 12:10 PM EDT (16:10 UTC)
- Expired
- Sep 28, 2009, 1:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Orleans County, NY, Wayne County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 83 km from the middle of the area, began a volume at 16:10 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 28, 12:11 PM EDT | TSTM WND DMG | Kendall, NY | TREE AND WIRES DOWN ON KENDALL ROAD |
| Sep 28, 12:13 PM EDT | TSTM WND DMG | Byron, NY | POLE DOWN ON ROAD |
| Sep 28, 12:17 PM EDT | TSTM WND DMG | Brockport, NY | TREE AND WIRES DOWN |
| Sep 28, 12:26 PM EDT | TSTM WND DMG | Hilton, NY | TREE AND WIRES DOWN RAILROAD AND UNDERWOOD |
| Sep 28, 12:39 PM EDT | TSTM WND DMG | 4 Nw Rochester, NY | NEAR WEST RIDGE ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 28, 11:35 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.2 hours before the alert went out and 81 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
- 765 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KBUF 281610
SVRBUF
NYC037-051-055-069-073-117-121-281715-
/O.NEW.KBUF.SV.W.0098.090928T1610Z-090928T1715Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1210 PM EDT MON SEP 28 2009
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GENESEE COUNTY IN WESTERN NEW YORK
NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK
MONROE COUNTY IN WESTERN NEW YORK
NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK
EASTERN ORLEANS COUNTY IN WESTERN NEW YORK
WESTERN WAYNE COUNTY IN WESTERN NEW YORK
NORTHEASTERN WYOMING COUNTY IN WESTERN NEW YORK
* UNTIL 115 PM EDT
* AT 1206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 4 MILES EAST OF POINT BREEZE TO 5 MILES WEST OF
PAVILION...AND MOVING EAST AT 55 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
LE ROY AND BROCKPORT BY 1215 PM EDT...
YORK...HAMLIN BEACH AND CHURCHVILLE BY 1220 PM EDT...
SPENCERPORT AND HILTON BY 1225 PM EDT...
SCOTTSVILLE...GREECE AND GATES-NORTH GATES BY 1230 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT MONDAY
AFTERNOON FOR WESTERN NEW YORK.
&&
LAT...LON 4280 7833 4338 7826 4338 7808 4334 7772
4330 7767 4325 7758 4326 7747 4329 7738
4328 7728 4279 7729
TIME...MOT...LOC 1610Z 261DEG 46KT 4336 7804 4291 7807
$$
TMA3 follow-up statements
000
WWUS51 KBUF 281641
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1241 PM EDT MON SEP 28 2009
NYC037-051-055-069-073-117-121-281715-
/O.CON.KBUF.SV.W.0098.000000T0000Z-090928T1715Z/
WYOMING NY-LIVINGSTON NY-ONTARIO NY-GENESEE NY-WAYNE NY-MONROE NY-
ORLEANS NY-
1241 PM EDT MON SEP 28 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR EASTERN ORLEANS...MONROE...WESTERN WAYNE...GENESEE...NORTHWESTERN
ONTARIO...NORTHERN LIVINGSTON AND NORTHEASTERN WYOMING COUNTIES...
AT 1240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM IRONDEQUOIT TO 11 MILES SOUTHWEST OF BRIGHTON TO 7
MILES WEST OF GENESEO...MOVING EAST AT 45 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
RUSH BY 1245 PM EDT...
PENFIELD BY 1255 PM EDT...
LIVONIA BY 100 PM EDT...
ONTARIO BY 105 PM EDT...
MACEDON BY 110 PM EDT...
BRISTOL BY 115 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT MONDAY
AFTERNOON FOR WESTERN NEW YORK.
&&
LAT...LON 4280 7833 4338 7826 4338 7808 4334 7772
4330 7767 4325 7758 4326 7747 4329 7738
4328 7728 4279 7729
TIME...MOT...LOC 1640Z 264DEG 38KT 4325 7763 4300 7773
4282 7794
$$
TMA000
WWUS51 KBUF 281649
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1249 PM EDT MON SEP 28 2009
NYC037-073-121-281659-
/O.CAN.KBUF.SV.W.0098.000000T0000Z-090928T1715Z/
WYOMING NY-GENESEE NY-ORLEANS NY-
1249 PM EDT MON SEP 28 2009
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ORLEANS...GENESEE AND
NORTHEASTERN WYOMING COUNTIES IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT MONDAY
AFTERNOON FOR WESTERN NEW YORK.
LAT...LON 4282 7794 4332 7784 4325 7758 4326 7747
4329 7739 4328 7728 4279 7729
TIME...MOT...LOC 1649Z 266DEG 37KT 4324 7750 4299 7760
4281 7781
$$
NYC051-055-069-117-281715-
/O.CON.KBUF.SV.W.0098.000000T0000Z-090928T1715Z/
LIVINGSTON NY-ONTARIO NY-WAYNE NY-MONROE NY-
1249 PM EDT MON SEP 28 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR MONROE...WESTERN WAYNE...NORTHWESTERN ONTARIO AND NORTHERN
LIVINGSTON COUNTIES...
AT 1248 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM IRONDEQUOIT TO 9 MILES SOUTH OF
BRIGHTON TO GENESEO...MOVING EAST AT 40 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
PITTSFORD AND PENFIELD AND MENDON BY 1255 PM EDT...
FAIRPORT AND LIVONIA BY 100 PM EDT...
ONTARIO AND VICTOR AND IONIA BY 105 PM EDT...
MACEDON AND HOLCOMB AND EAST BLOOMFIELD BY 110 PM EDT...
BRISTOL BY 115 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT MONDAY
AFTERNOON FOR WESTERN NEW YORK.
&&
LAT...LON 4282 7794 4332 7784 4325 7758 4326 7747
4329 7739 4328 7728 4279 7729
TIME...MOT...LOC 1649Z 266DEG 37KT 4324 7750 4299 7760
4281 7781
$$
TMA000
WWUS51 KBUF 281715
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
115 PM EDT MON SEP 28 2009
NYC051-055-069-117-281725-
/O.EXP.KBUF.SV.W.0098.000000T0000Z-090928T1715Z/
LIVINGSTON NY-ONTARIO NY-WAYNE NY-MONROE NY-
115 PM EDT MON SEP 28 2009
...THE SEVERE THUNDERSTORM WARNING FOR MONROE...WESTERN WAYNE...
NORTHWESTERN ONTARIO AND NORTHERN LIVINGSTON COUNTIES HAS EXPIRED...
LAT...LON 4282 7794 4332 7784 4325 7758 4326 7747
4329 7739 4328 7728 4279 7729
TIME...MOT...LOC 1649Z 266DEG 37KT 4318 7748 4294 7759
4276 7781
$$
NIZIOLThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 10:07 AM EDT | Special Marine Warning | BUF | 83 min | |
| Sep 28, 10:37 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 68 min |
| Sep 28, 10:59 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 61 min |
| Sep 28, 11:09 AM EDT | Lakeshore Flood Warning | BUF | Erie | 5 hr |
| Sep 28, 11:26 AM EDT | Special Marine Warning | BUF | 64 min | |
| Sep 28, 12:25 PM EDT | Special Marine Warning | BUF | 65 min | |
| Sep 28, 1:08 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Ontario, Wayne | 52 min |
| Sep 28, 1:18 PM EDT | Special Marine Warning | BUF | 57 min | |
| Sep 28, 1:23 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee | 37 min |
| Sep 28, 1:47 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Oswego, Wayne | 58 min |
| Sep 28, 1:58 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Sep 28, 2:01 PM EDT | Special Marine Warning | BUF | 59 min | |
| Sep 28, 2:08 PM EDT | Special Marine Warning | BUF | 37 min | |
| Sep 28, 2:19 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 41 min |
| Sep 28, 4:06 PM EDT | Lakeshore Flood Statement | BUF | Erie | 10 hr |
| Sep 28, 5:06 PM EDT | Areal Flood Advisory | BUF | Erie, Niagara | 3 hr |
| Sep 28, 5:24 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 51 min |
| Sep 28, 5:57 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 33 min |
| Sep 28, 6:26 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Orleans | 49 min |
| Sep 28, 7:43 PM EDT | Areal Flood Warning | BUF | Cattaraugus, Chautauqua, Erie, Genesee, Wyoming | 6 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009
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.