Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 90, NWS Buffalo, NY

June 29, 2008Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 29, 2008, 5:43 PM EDT for Jefferson County, New York. It was in force for 22 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: Jun 29, 2008, 5:43 PM EDT (21:43 UTC)
Expired: Jun 29, 2008, 6:05 PM EDT
In force: 22 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 19 km from the middle of the area, began a volume at 21:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 29, 12:11 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.7 hours before the alert went out and 205 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: 594 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -44 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 292143
SVRBUF
NYC045-292215-
/O.NEW.KBUF.SV.W.0090.080629T2143Z-080629T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
543 PM EDT SUN JUN 29 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL JEFFERSON COUNTY IN CENTRAL NEW YORK

* UNTIL 615 PM EDT

* AT 540 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF ADAMS TO 21
  MILES SOUTH OF ADAMS...OR ALONG A LINE EXTENDING FROM 19 MILES
  SOUTH OF WATERTOWN TO 19 MILES NORTHWEST OF CAMDEN...AND MOVING
  EAST AT 34 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL SOUTHERN JEFFERSON COUNTY AT 600 PM EDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4369 7583 4371 7603 4367 7604 4368 7611
      4384 7608 4383 7584 4380 7585 4379 7584
      4379 7579 4369 7577
TIME...MOT...LOC 2143Z 267DEG 30KT 4370 7596 4351 7600

$$

ZAFF

1 follow-up statement

000 
WWUS51 KBUF 292205 RRA
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
605 PM EDT SUN JUN 29 2008

NYC045-292215-
/O.CAN.KBUF.SV.W.0090.000000T0000Z-080629T2215Z/
JEFFERSON NY-
605 PM EDT SUN JUN 29 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JEFFERSON COUNTY
IS CANCELLED...

AT 605 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4369 7583 4371 7603 4367 7604 4368 7611
      4384 7608 4383 7584 4380 7585 4379 7584
      4379 7579 4369 7577
TIME...MOT...LOC 2205Z 267DEG 30KT 4371 7571 4352 7575

$$

TJP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:35 PM EDT	Areal Flood Advisory	BUF	Allegany, Cattaraugus	84 min
Jun 29, 1:00 PM EDT	Special Marine Warning	BUF		112 min
Jun 29, 1:03 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	57 min
Jun 29, 1:07 PM EDT	Special Marine Warning	BUF		103 min
Jun 29, 1:13 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	77 min
Jun 29, 1:46 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	74 min
Jun 29, 2:07 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	53 min
Jun 29, 2:23 PM EDT	Special Marine Warning	BUF		97 min
Jun 29, 2:25 PM EDT	Severe Thunderstorm Warning	BUF	Erie	35 min
Jun 29, 2:33 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	27 min
Jun 29, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Wyoming	65 min
Jun 29, 3:34 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Wyoming	56 min
Jun 29, 3:51 PM EDT	Special Marine Warning	BUF		54 min
Jun 29, 4:01 PM EDT	Special Marine Warning	BUF		89 min
Jun 29, 4:11 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	79 min
Jun 29, 4:24 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	21 min
Jun 29, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	74 min
Jun 29, 4:43 PM EDT	Special Marine Warning	BUF		32 min
Jun 29, 4:49 PM EDT	Special Marine Warning	BUF		116 min
Jun 29, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	63 min
Jun 29, 5:01 PM EDT	Special Marine Warning	BUF		89 min
Jun 29, 5:10 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	48 min
Jun 29, 5:18 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	47 min
Jun 29, 5:18 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	72 min
Jun 29, 5:39 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	41 min
Jun 29, 6:44 PM EDT	Special Marine Warning	BUF		41 min

Nearby

Severe Thunderstorm Warnings in New York, 2008 Every severe thunderstorm warning in 2008

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.