Alert archive / New York / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 86, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 3, 2007, 4:22 PM EDT for Niagara County, New York. It was in force for 68 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 3, 2007, 4:22 PM EDT (20:22 UTC)
- Expired
- Aug 3, 2007, 5:30 PM EDT
- In force
- 68 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Niagara County, NY
The radar
The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 20:24 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 3, 4:33 PM EDT | HAIL 0.75 | 4 W Sanborn, NY | |
| Aug 3, 4:40 PM EDT | HAIL 0.88 | 5 E Niagara Falls, NY | |
| Aug 3, 4:58 PM EDT | HAIL 0.88 | Niagara Falls, 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, 8.4 hours before the alert went out and 29 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
- 1777 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBUF 032025 SVRBUF NYC063-032130- /O.NEW.KBUF.SV.W.0086.070803T2022Z-070803T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 422 PM EDT FRI AUG 3 2007 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NIAGARA COUNTY IN WESTERN NEW YORK * UNTIL 530 PM EDT * AT 420 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 NIAGARA FALLS...AND MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NIAGARA FALLS BY 425 PM EDT... LOCKPORT BY 515 PM EDT... 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 4317 7906 4308 7905 4308 7861 4324 7866 $$ HITCHCOCK
2 follow-up statements
000 WWUS51 KBUF 032045 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 443 PM EDT FRI AUG 3 2007 NYC063-032130- /O.CON.KBUF.SV.W.0086.000000T0000Z-070803T2130Z/ NIAGARA NY- 443 PM EDT FRI AUG 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NIAGARA COUNTY... AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR NIAGARA FALLS...MOVING EAST AT 15 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... NIAGARA FALLS THROUGH 500 PM EDT... SANBORN BY 455 PM EDT... PENDLETON BY 510 PM EDT... RAPIDS BY 530 PM EDT... THOSE OUTDOORS IN NIAGARA FALLS...INCLUDING NIAGARA FALLS STATE PARK SHOULD SEEK SHELTER IMMEDIATELY AND REMAIN INDOORS UNTIL THIS STORM PASSES. SEVERAL REPORTS OF PENNY TO NICKEL SIZED HAIL HAVE BEEN RECEIVED FROM THIS STORM. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4314 7902 4308 7905 4308 7861 4324 7866 $$ HITCHCOCK
000 WWUS51 KBUF 032125 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 525 PM EDT FRI AUG 3 2007 NYC063-032135- /O.EXP.KBUF.SV.W.0086.000000T0000Z-070803T2130Z/ NIAGARA NY- 525 PM EDT FRI AUG 3 2007 ...THE SEVERE THUNDERSTORM WARNING FOR NIAGARA COUNTY EXPIRES AT 530 PM EDT... 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 ALLOWED TO EXPIRE. THIS STORM WILL CONTINUE TO PRODUCE VERY HEAVY RAINFALL ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING. LAT...LON 4314 7902 4308 7905 4308 7861 4324 7866 $$ HITCHCOCK
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:28 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 49 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.