Alert archive / New York / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 92, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 22, 2009, 4:53 PM EDT for Monroe County, New York. It was in force for 33 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
- Aug 22, 2009, 4:53 PM EDT (20:53 UTC)
- Expired
- Aug 22, 2009, 5:26 PM EDT
- In force
- 33 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Monroe County, NY
The radar
The Buffalo radar (KBUF), 83 km from the middle of the area, began a volume at 20:54 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 22, 5:00 PM EDT | HAIL 0.75 | 2 W Spencerport, NY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.9 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
- 160 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 883 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 36 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 222053
SVRBUF
NYC055-222145-
/O.NEW.KBUF.SV.W.0092.090822T2053Z-090822T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
453 PM EDT SAT AUG 22 2009
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MONROE COUNTY IN WESTERN NEW YORK
* UNTIL 545 PM EDT
* AT 451 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 NEAR
SPENCERPORT...OR NEAR BROCKPORT...AND MOVING EAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
SPENCERPORT BY 500 PM EDT...
GREECE BY 515 PM EDT...
ROCHESTER BY 525 PM EDT...
IRONDEQUOIT BY 530 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4334 7772 4330 7767 4327 7761 4316 7752
4307 7791 4310 7793 4313 7791 4314 7795
4322 7799 4335 7780 4335 7776
TIME...MOT...LOC 2052Z 251DEG 19KT 4317 7787
$$
HITCHCOCK2 follow-up statements
000
WWUS51 KBUF 222114
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
514 PM EDT SAT AUG 22 2009
NYC055-222145-
/O.CON.KBUF.SV.W.0092.000000T0000Z-090822T2145Z/
MONROE NY-
514 PM EDT SAT AUG 22 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHERN MONROE COUNTY...
AT 509 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR GREECE...MOVING NORTHEAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
GREECE BY 520 PM EDT...
CHARLOTTE BY 530 PM EDT...
IRONDEQUOIT BY 535 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING PENNY SIZED HAIL NEAR
SPENCERPORT.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4319 7755 4312 7785 4322 7791 4333 7775
4330 7767 4327 7761
TIME...MOT...LOC 2113Z 251DEG 19KT 4321 7776
$$
HITCHCOCK000
WWUS51 KBUF 222126
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
526 PM EDT SAT AUG 22 2009
NYC055-222135-
/O.CAN.KBUF.SV.W.0092.000000T0000Z-090822T2145Z/
MONROE NY-
526 PM EDT SAT AUG 22 2009
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE COUNTY IS
CANCELLED...
AT 525 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.
PLEASE REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO
THE NATIONAL WEATHER SERVICE IN BUFFALO.
LAT...LON 4319 7755 4312 7785 4322 7791 4333 7775
4330 7767 4327 7761
TIME...MOT...LOC 2125Z 251DEG 19KT 4323 7768
$$
HITCHCOCKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 11:24 AM EDT | Special Marine Warning | BUF | 66 min | |
| Aug 22, 12:17 PM EDT | Special Marine Warning | BUF | 58 min | |
| Aug 22, 5:55 PM EDT | Areal Flood Advisory | BUF | Chautauqua | 106 min |
| Aug 22, 6:36 PM EDT | Special Marine Warning | BUF | 54 min | |
| Aug 22, 6:48 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 27 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.