Alert archive / New York / Tornado Warnings in 2009
Tornado Warning 6, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Aug 9, 2009, 2:07 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 39 min. 2 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
- Aug 9, 2009, 2:07 PM EDT (18:07 UTC)
- Expired
- Aug 9, 2009, 2:46 PM EDT
- In force
- 39 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Allegany County, NY, Cattaraugus County, NY
The radar
The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 18:09 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 |
|---|---|---|---|
| Aug 9, 2:12 PM EDT | TORNADO | Rushford, NY | PUBLIC REPORTED TORNADO TOUCHDOWN IN THE VICINITY OF RUSHFORD. WIDESPREAD DAMAGA REPORTED |
| Aug 9, 2:15 PM EDT | TSTM WND DMG | Black Creek, NY | 100 TO 200 TREES DOWN IN A ABOUT A 50 FOOT WIDE PATH. POSSIBLE TORNADO. WILL BE SURVEYED MONDAY MORNING. |
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 |
|---|---|---|---|
| Aug 9, 11:57 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.1 hours before the alert went out and 86 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
- 913 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KBUF 091807 TORBUF NYC003-009-091900- /O.NEW.KBUF.TO.W.0006.090809T1807Z-090809T1900Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BUFFALO NY 207 PM EDT SUN AUG 9 2009 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * TORNADO WARNING FOR... ALLEGANY COUNTY IN WESTERN NEW YORK... THIS INCLUDES THE CITY OF WELLSVILLE... EAST CENTRAL CATTARAUGUS COUNTY IN WESTERN NEW YORK... * UNTIL 300 PM EDT * AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RUSHFORD... OR 21 MILES NORTHEAST OF OLEAN...MOVING SOUTHEAST AT 40 MPH. * THE TORNADO WILL BE NEAR... BELFAST BY 220 PM EDT... ALFRED BY 245 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR WESTERN NEW YORK. && LAT...LON 4232 7843 4248 7832 4228 7773 4202 7774 TIME...MOT...LOC 1807Z 297DEG 33KT 4235 7826 $$ JJR
2 follow-up statements
000 WWUS51 KBUF 091831 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 231 PM EDT SUN AUG 9 2009 NYC009-091840- /O.CAN.KBUF.TO.W.0006.000000T0000Z-090809T1900Z/ CATTARAUGUS NY- 231 PM EDT SUN AUG 9 2009 ...THE TORNADO WARNING FOR EAST CENTRAL CATTARAUGUS COUNTY IS CANCELLED... AT 229 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA...THUS THE WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR WESTERN NEW YORK. LAT...LON 4216 7807 4231 7781 4228 7773 4202 7774 TIME...MOT...LOC 1830Z 309DEG 40KT 4215 7798 $$ NYC003-091900- /O.CON.KBUF.TO.W.0006.000000T0000Z-090809T1900Z/ ALLEGANY NY- 231 PM EDT SUN AUG 9 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR SOUTHEASTERN ALLEGANY COUNTY... AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED NEAR SCIO...OR NEAR WELLSVILLE...MOVING SOUTHEAST AT 45 MPH. THE TORNADO WILL BE NEAR... WELLSVILLE BY 235 PM EDT... WHITESVILLE BY 245 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR WESTERN NEW YORK. && LAT...LON 4216 7807 4231 7781 4228 7773 4202 7774 TIME...MOT...LOC 1830Z 309DEG 40KT 4215 7798 $$ JJR
000 WWUS51 KBUF 091846 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 246 PM EDT SUN AUG 9 2009 NYC003-091855- /O.CAN.KBUF.TO.W.0006.000000T0000Z-090809T1900Z/ ALLEGANY NY- 246 PM EDT SUN AUG 9 2009 ...THE TORNADO WARNING FOR SOUTHEASTERN ALLEGANY COUNTY IS CANCELLED... AT 246 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO LONGER APPEARED CAPABLE OF PRODUCING TORNADOES...THUS THE TORNADO WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 3 PM HOWEVER. RADAR INDICATED THAT HEAVY RAIN...HAIL...AND STRONG GUSTY WINDS WERE STILL POSSIBLE WITH THE THUNDERSTORM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR WESTERN NEW YORK. LAT...LON 4216 7807 4231 7781 4228 7773 4202 7774 TIME...MOT...LOC 1845Z 309DEG 40KT 4204 7781 $$ JJR
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 10:05 AM EDT | Small Craft Advisory | BUF | 5 hr | |
| Aug 9, 11:56 AM EDT | Special Marine Warning | BUF | 42 min | |
| Aug 9, 12:07 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 53 min |
| Aug 9, 12:46 PM EDT | Special Marine Warning | BUF | 59 min | |
| Aug 9, 12:51 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Erie, Genesee, Livingston, Monroe, Wyoming | 54 min |
| Aug 9, 1:35 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 3 more | 55 min |
| Aug 9, 1:42 PM EDT | Special Marine Warning | BUF | 33 min | |
| Aug 9, 1:57 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Livingston | 63 min |
| Aug 9, 2:18 PM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua | 84 min |
Nearby
Tornado Warnings in New York, 2009Every tornado warning in 2009Tornadoes 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.