Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 51, NWS Buffalo, NY

August 1, 2005Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 1, 2005, 7:28 PM EDT for Niagara County, New York. It was in force for 49 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 1, 2005, 7:28 PM EDT (23:28 UTC)
Expired: Aug 1, 2005, 8:17 PM EDT
In force: 49 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), 34 km from the middle of the area, began a volume at 23:29 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 1, 7:45 PM EDT	TSTM WND DMG	Newfane, NY	TREES AND WIRES 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, 11.5 hours before the alert went out and 35 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: 39 J/kg
Mixed-layer CIN: -255 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 012330
SVRBUF
NYC063-020015-
/O.NEW.KBUF.SV.W.0051.050801T2328Z-050802T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
728 PM EDT MON AUG 1 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 815 PM EDT

* AT 724 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABABL OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 15
  MILES SOUTHWEST OF MIDDLEPORT...OR ABOUT 3 MILES NORTHEAST OF      
  AMHERST...AND WAS MOVING SOUTH AT 25 MPH.  THIS STORM IS ALSO      
  PRODUCING EXTREMELY HEAVY RAINFALL AND MAY CAUSE LOCALIZED         
  FLOODING.

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 4331 7848 4309 7847 4310 7855 4308 7861
      4310 7863 4309 7864 4330 7874 4335 7873
      4334 7868 4336 7865 4337 7853

$$

ZAFF

2 follow-up statements

000 
WWUS51 KBUF 012352
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
748 PM EDT MON AUG 1 2005

NYC063-020015-
/O.CON.KBUF.SV.W.0051.000000T0000Z-050802T0015Z/
NIAGARA NY-
748 PM EDT MON AUG 1 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 815 PM EDT FOR
NIAGARA COUNTY...

AT 747 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 11 MILES SOUTHWEST OF GASPORT. THE THIS STORM IS MOVING 
SOUTH TOWARD THE ERIE COUNTY BORDER AT 10 MPH. THIS STORM IS ALSO 
PRODUCING EXTREMELY HEAVY RAINFALL AND MAY CAUSE LOCALIZED FLOODING.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  THE SOUTHEAST NIAGARA COUNTY BORDER AT 805 PM

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 4331 7848 4309 7847 4310 7855 4308 7861
      4310 7863 4309 7864 4330 7874 4335 7873
      4334 7868 4336 7865 4337 7853

$$

ZAFF

000 
WWUS51 KBUF 020017
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
817 PM EDT MON AUG 1 2005

NYC063-020027-
/O.EXP.KBUF.SV.W.0051.000000T0000Z-050802T0015Z/
NIAGARA NY-
817 PM EDT MON AUG 1 2005

...THE SEVERE THUNDERSTORM WARNING FOR NIAGARA COUNTY EXPIRES AT 815
PM EDT...

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

LAT...LON 4331 7848 4309 7847 4310 7855 4308 7861
      4310 7863 4309 7864 4330 7874 4335 7873
      4334 7868 4336 7865 4337 7853

$$

ZAFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 2:40 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	65 min
Aug 1, 2:46 PM EDT	Special Marine Warning	BUF		59 min
Aug 1, 3:27 PM EDT	Special Marine Warning	BUF		33 min
Aug 1, 3:44 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	61 min
Aug 1, 4:24 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	53 min
Aug 1, 4:49 PM EDT	Tornado Warning	BUF	Lewis	27 min
Aug 1, 5:11 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	36 min
Aug 1, 6:27 PM EDT	Special Marine Warning	BUF		33 min
Aug 1, 6:50 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.