Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 54, NWS Buffalo, NY

August 3, 2005Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 3, 2005, 5:15 PM EDT for Ontario County, New York. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 3, 2005, 5:15 PM EDT (21:15 UTC)
Expired: Aug 3, 2005, 6:18 PM EDT
In force: 63 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), 110 km from the middle of the area, began a volume at 21:16 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.3 hours before the alert went out and 107 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2054 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KBUF 032115
SVRBUF
NYC069-032215-
/O.NEW.KBUF.SV.W.0054.050803T2115Z-050803T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
515 PM EDT WED AUG 3 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONTARIO COUNTY IN WESTERN NEW YORK

* UNTIL 615 PM EDT

* AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES NORTHWEST OF BRISTOL...OR ABOUT 13 MILES
  SOUTH OF FAIRPORT...AND WAS MOVING SOUTHEAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EAST BLOOMFIELD BY 555 PM EDT...
  HOLCOMB BY 600 PM EDT...
  BRISTOL BY 605 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.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4295 7715 4277 7726 4277 7731 4274 7734
      4284 7758 4288 7754 4294 7757 4294 7749
      4295 7747 4302 7747

$$

LEVAN

3 follow-up statements

000 
WWUS51 KBUF 032135
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
532 PM EDT WED AUG 3 2005

NYC069-032215-
/O.CON.KBUF.SV.W.0054.000000T0000Z-050803T2215Z/
ONTARIO NY-
532 PM EDT WED AUG 3 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 615 PM EDT FOR
ONTARIO COUNTY...

AT 529 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE 
HAIL. ONE STORM WAS LOCATED NEAR EAST BLOOMFIELD...MOVING SOUTHEAST 
AT 5 MPH. ANOTHER STORM WAS LOCATED IN EXTREME SOUTHEAST ONTARIO 
COUNTY NEAR GORHAM AND SENECA...ALSO MOVING SOUTHEAST AT 5 MPH.

THESE STORMS ARE VERY SLOW MOVING AND IN ADDITION TO HAIL, WILL 
PRODUCE DOWNPOURS THAT MAY RESULT IN POOR DRAINAGE FLOODING. DO NOT 
DRIVE ACROSS WATER COVERED ROADS. 

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 4295 7715 4277 7726 4277 7731 4274 7734
      4284 7758 4288 7754 4294 7757 4294 7749
      4295 7747 4302 7747

$$

LEVAN

000 
WWUS51 KBUF 032149
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
548 PM EDT WED AUG 3 2005

NYC069-032215-
/O.CON.KBUF.SV.W.0054.000000T0000Z-050803T2215Z/
ONTARIO NY-
548 PM EDT WED AUG 3 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 615 PM EDT FOR
ONTARIO COUNTY...

AT 547 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED IN EXTREME SOUTHEAST ONTARIO COUNTY...NEAR 
THE TOWN OF SENECA...MOVING SOUTHEAST AT 5 MPH.

THESE STORMS ARE VERY SLOW MOVING AND IN ADDITION TO HAIL, WILL 
PRODUCE DOWNPOURS THAT MAY RESULT IN POOR DRAINAGE FLOODING. DO NOT 
DRIVE ACROSS WATER COVERED ROADS.

THE STORMS IN THE WESTERN SECTIONS OF THE COUNTY HAVE WEAKENED, 
HOWEVER FREQUENT LIGHTNING AND DOWNPOURS ARE STILL POSSIBLE. 

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 4295 7715 4277 7726 4277 7731 4274 7734
      4284 7758 4288 7754 4294 7757 4294 7749
      4295 7747 4302 7747

$$

LEVAN

000 
WWUS51 KBUF 032218
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
618 PM EDT WED AUG 3 2005

NYC069-032228-
/O.EXP.KBUF.SV.W.0054.000000T0000Z-050803T2215Z/
ONTARIO NY-
618 PM EDT WED AUG 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR ONTARIO COUNTY EXPIRES AT 615
PM EDT...

AT 618 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE 
THUNDERSTORMS THAT PROMPTED THE WARNING HAVE EXITED THE WARNED 
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE 
STILL POSSIBLE AS ANOTHER STORM HAS DEVELOPED OVER NORTH CENTRAL 
ONTARIO COUNTY.

LAT...LON 4295 7715 4277 7726 4277 7731 4274 7734
      4284 7758 4288 7754 4294 7757 4294 7749
      4295 7747 4302 7747

$$

LEVAN

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 10:20 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	25 min

Nearby

Severe Thunderstorm Warnings in New York, 2005 Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.