Alert archive / New York / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 91, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 16, 2007, 4:55 PM EDT for Ontario County, New York. It was in force for 54 min. 3 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 16, 2007, 4:55 PM EDT (20:55 UTC)
- Expired
- Aug 16, 2007, 5:49 PM EDT
- In force
- 54 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 111 km from the middle of the area, began a volume at 20:57 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 16, 5:15 PM EDT | TSTM WND DMG | Bristol, NY | NUMEROUS TREES AND LINES DOWN |
| Aug 16, 5:20 PM EDT | TSTM WND DMG | 2 S Canandaigua, NY | NUMEROUS TREES AND WIRES DOWN |
| Aug 16, 5:30 PM EDT | TSTM WND DMG | Gorham, NY | NUMEROUS TREES AND LINES DOWN |
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 108 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
- 571 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KBUF 162055
SVRBUF
NYC069-162200-
/O.NEW.KBUF.SV.W.0091.070816T2055Z-070816T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
455 PM EDT THU AUG 16 2007
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ONTARIO COUNTY IN WESTERN NEW YORK
* UNTIL 600 PM EDT
* AT 453 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 9 MILES
NORTHWEST OF BRISTOL...OR ABOUT 13 MILES NORTHEAST OF GENESEO...AND
MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
BRISTOL BY 510 PM EDT...
CANANDAIGUA BY 525 PM EDT...
GENEVA BY 550 PM EDT...
THIS IS A DANGEROUS STORM. 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.
LAT...LON 4277 7698 4281 7759 4286 7758 4288 7755
4289 7757 4294 7756 4294 7749 4303 7749
4301 7697
TIME...MOT...LOC 2055Z 277DEG 28KT 4291 7758
$$
HITCHCOCK2 follow-up statements
000 WWUS51 KBUF 162123 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 523 PM EDT THU AUG 16 2007 NYC069-162200- /O.CON.KBUF.SV.W.0091.000000T0000Z-070816T2200Z/ ONTARIO NY- 523 PM EDT THU AUG 16 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR ONTARIO COUNTY... AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR CANANDAIGUA...MOVING EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... GORHAM BY 540 PM EDT... GENEVA BY 550 PM EDT... THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4277 7698 4280 7738 4294 7733 4295 7697 TIME...MOT...LOC 2123Z 277DEG 28KT 4288 7729 $$ HITCHCOCK
000 WWUS51 KBUF 162149 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 549 PM EDT THU AUG 16 2007 NYC069-162159- /O.CAN.KBUF.SV.W.0091.000000T0000Z-070816T2200Z/ ONTARIO NY- 549 PM EDT THU AUG 16 2007 ...THE SEVERE THUNDERSTORM WARNING FOR ONTARIO COUNTY IS CANCELLED... AT 549 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 CANCELLED. THERE HAVE BEEN NUMEROUS REPORTS OF TREES AND POWERLINES DOWN FROM THIS STORM ACROSS THE SOUTHERN HALF OF ONTARIO COUNTY FROM BRISTOL TO GORHAM. LAT...LON 4277 7698 4280 7738 4294 7733 4295 7697 TIME...MOT...LOC 2149Z 277DEG 28KT 4285 7702 $$ HITCHCOCK
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 2:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 16, 2:49 PM EDT | Special Marine Warning | BUF | 41 min | |
| Aug 16, 4:00 PM EDT | Severe Thunderstorm Warning | BUF | Genesee | 45 min |
| Aug 16, 4:38 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 37 min |
| Aug 16, 4:47 PM EDT | Severe Thunderstorm Warning | BUF | Monroe | 28 min |
Nearby
Severe Thunderstorm Warnings in New York, 2007Every severe thunderstorm warning in 2007
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.