Alert archive / New York / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 10, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 16, 2009, 1:45 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 60 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
- May 16, 2009, 1:45 PM EDT (17:45 UTC)
- Expired
- May 16, 2009, 2:45 PM EDT
- In force
- 60 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 17:46 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 |
|---|---|---|---|
| May 16, 1:51 PM EDT | TSTM WND DMG | 1 E Williamstown, NY | TREES DOWN |
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 |
|---|---|---|---|
| May 16, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 5.8 hours before the alert went out and 187 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
- 1074 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 157 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 161745
SVRBUF
NYC045-049-075-161845-
/O.NEW.KBUF.SV.W.0010.090516T1745Z-090516T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
145 PM EDT SAT MAY 16 2009
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL JEFFERSON COUNTY IN CENTRAL NEW YORK
LEWIS COUNTY IN CENTRAL NEW YORK
EASTERN OSWEGO COUNTY IN CENTRAL NEW YORK
* UNTIL 245 PM EDT
* AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10
MILES SOUTHWEST OF REDFIELD...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
REDFIELD BY 200 PM EDT...
HIGHMARKET BY 230 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND FREQUENT
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 800 PM EDT
SATURDAY EVENING FOR WESTERN NEW YORK.
&&
LAT...LON 4342 7555 4347 7581 4334 7587 4333 7586
4325 7586 4322 7609 4326 7620 4323 7620
4321 7623 4351 7632 4353 7625 4357 7622
4406 7528 4363 7511
TIME...MOT...LOC 1744Z 249DEG 28KT 4344 7599
$$
TJP2 follow-up statements
000
WWUS51 KBUF 161808
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
208 PM EDT SAT MAY 16 2009
NYC045-049-075-161845-
/O.CON.KBUF.SV.W.0010.000000T0000Z-090516T1845Z/
LEWIS NY-OSWEGO NY-JEFFERSON NY-
208 PM EDT SAT MAY 16 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTH CENTRAL JEFFERSON...EASTERN OSWEGO AND LEWIS COUNTIES...
AT 205 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR OSCEOLA...MOVING EAST AT 40 MPH. ANOTHER SEVERE
THUNDERSTORM WAS LOCATED NEAR AMBOY.
THE SEVERE THUNDERSTORM WILL BE NEAR...
NORTH OSCEOLA BY 210 PM EDT...
HIGHMARKET BY 225 PM EDT...
CONSTABLEVILLE BY 230 PM EDT...
TURIN BY 235 PM EDT...
LYONS FALLS BY 240 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE A HISTORY OF BRINGING DOWN TREES. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR WESTERN NEW YORK.
&&
LAT...LON 4342 7555 4347 7581 4334 7587 4333 7586
4325 7586 4322 7609 4326 7620 4323 7620
4321 7623 4351 7632 4353 7625 4357 7622
4406 7528 4363 7511
TIME...MOT...LOC 1805Z 249DEG 33KT 4352 7575
$$
TJP000
WWUS51 KBUF 161850
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
250 PM EDT SAT MAY 16 2009
NYC045-049-075-161900-
/O.EXP.KBUF.SV.W.0010.000000T0000Z-090516T1845Z/
LEWIS NY-OSWEGO NY-JEFFERSON NY-
250 PM EDT SAT MAY 16 2009
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JEFFERSON...
EASTERN OSWEGO AND LEWIS COUNTIES HAS EXPIRED...
AT 249 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR WESTERN NEW YORK.
LAT...LON 4342 7555 4347 7581 4334 7587 4333 7586
4325 7586 4322 7609 4326 7620 4323 7620
4321 7623 4351 7632 4353 7625 4357 7622
4406 7528 4363 7511
TIME...MOT...LOC 1808Z 249DEG 33KT 4353 7571
$$The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 4:22 AM EDT | Small Craft Advisory | BUF | 40 hr | |
| May 16, 8:55 AM EDT | Special Marine Warning | BUF | 50 min | |
| May 16, 12:05 PM EDT | Special Marine Warning | BUF | 55 min | |
| May 16, 12:38 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Lewis, Oswego, Wayne | 67 min |
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.