Alert archive / New York / Tornado Warnings in 2009
Tornado Warning 1, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Jul 25, 2009, 4:11 PM EDT for Erie County, New York. It was in force for 18 min. 4 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
- Jul 25, 2009, 4:11 PM EDT (20:11 UTC)
- Expired
- Jul 25, 2009, 4:29 PM EDT
- In force
- 18 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Erie County, NY
The radar
The Buffalo radar (KBUF), 5 km from the middle of the area, began a volume at 20:11 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 |
|---|---|---|---|
| Jul 25, 4:16 PM EDT | HAIL 0.75 | Cheektowaga, NY | ON OFFICIAL BUF METAR OB AT 2016Z |
| Jul 25, 4:17 PM EDT | HAIL 1 | Cheektowaga, NY | 1 INCH HAIL AT BUF NWS FORECAST OFFICE |
| Jul 25, 4:25 PM EDT | HAIL 0.88 | Harris Hill, NY | |
| Jul 25, 4:33 PM EDT | HAIL 0.88 | Clarence Center, NY |
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 |
|---|---|---|---|
| Jul 25, 3:50 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.2 hours before the alert went out and 4 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1504 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KBUF 252011 TORBUF NYC029-252045- /O.NEW.KBUF.TO.W.0001.090725T2011Z-090725T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BUFFALO NY 411 PM EDT SAT JUL 25 2009 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL ERIE COUNTY IN WESTERN NEW YORK... THIS INCLUDES THE CITIES OF...WILLIAMSVILLE...LANCASTER...DEPEW... CHEEKTOWAGA... * UNTIL 445 PM EDT * AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SLOAN...OR NEAR CHEEKTOWAGA...MOVING NORTHEAST AT 20 MPH. * THE TORNADO WILL BE NEAR... DEPEW BY 425 PM EDT... HARRIS HILL BY 430 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING NICKEL SIZE 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 900 PM EDT SATURDAY EVENING FOR WESTERN NEW YORK. && LAT...LON 4308 7865 4291 7850 4286 7878 4291 7884 TIME...MOT...LOC 2011Z 233DEG 18KT 4290 7879 $$ RSH
1 follow-up statement
000 WWUS51 KBUF 252029 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 429 PM EDT SAT JUL 25 2009 NYC029-252039- /O.CAN.KBUF.TO.W.0001.000000T0000Z-090725T2045Z/ ERIE NY- 429 PM EDT SAT JUL 25 2009 ...THE TORNADO WARNING FOR NORTH CENTRAL ERIE COUNTY IS CANCELLED... AT 429 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE TORNADO WARNING HAS BEEN CANCELLED. THE STORM THAT HAD THE STRONG ROTATION IN IT IS CROSSING NORTHEASTERN ERIE COUNTY AND WILL CONTINUE TO PRODUCE STRONG GUSTY WINDS AND HAIL. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING FOR WESTERN NEW YORK. LAT...LON 4308 7865 4291 7850 4286 7878 4291 7884 TIME...MOT...LOC 2029Z 233DEG 18KT 4295 7869 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 10:05 PM EDT | Special Marine Warning | BUF | 30 min | |
| Jul 25, 3:21 PM EDT | Special Marine Warning | BUF | 54 min | |
| Jul 25, 3:32 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 58 min |
| Jul 25, 4:26 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 64 min |
| Jul 25, 4:40 PM EDT | Special Marine Warning | BUF | 65 min | |
| Jul 25, 5:03 PM EDT | Tornado Warning | BUF | Genesee, Monroe, Orleans | 42 min |
| Jul 25, 5:14 PM EDT | Special Marine Warning | BUF | 91 min | |
| Jul 25, 5:25 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans | 65 min |
| Jul 25, 5:46 PM EDT | Tornado Warning | BUF | Monroe | 44 min |
| Jul 25, 6:17 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Orleans | 43 min |
| Jul 25, 6:56 PM EDT | Severe Thunderstorm Warning | BUF | Monroe | 64 min |
| Jul 25, 6:58 PM EDT | Special Marine Warning | BUF | 92 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.