Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 89, NWS Buffalo, NY

June 29, 2008Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 29, 2008, 5:18 PM EDT for Jefferson County, Lewis County, New York. It was in force for 72 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: Jun 29, 2008, 5:18 PM EDT (21:18 UTC)
Expired: Jun 29, 2008, 6:30 PM EDT
In force: 72 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 21:18 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
Jun 29, 6:20 PM EDT	TSTM WND DMG	Watson, NY	TREE DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 9.3 hours before the alert went out and 179 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 292119 RRA
SVRBUF
NYC045-049-292230-
/O.NEW.KBUF.SV.W.0089.080629T2118Z-080629T2230Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 513 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 11 MILES NORTHWEST OF CALCIUM
  TO 10 MILES WEST OF BARNES CORNERS TO 25 MILES SOUTHWEST OF BARNES
  CORNERS...OR ALONG A LINE EXTENDING FROM 11 MILES NORTHWEST OF
  WATERTOWN TO 12 MILES SOUTHWEST OF WATERTOWN TO 19 MILES EAST OF
  OSWEGO...AND MOVING EAST AT 37 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BARNES CORNERS AND CALCIUM BY 530 PM EDT...
  FORT DRUM BY 535 PM EDT...
  WEST CARTHAGE BY 545 PM EDT...
  CARTHAGE BY 550 PM EDT...
  LOWVILLE BY 555 PM EDT...

LAT...LON 4358 7516 4342 7553 4347 7576 4369 7577
      4370 7589 4419 7593 4418 7533 4409 7515
      4367 7511
TIME...MOT...LOC 2118Z 271DEG 32KT 4410 7599 4381 7594
          4355 7608

$$

ZAFF

3 follow-up statements

000 
WWUS51 KBUF 292203
SVSBUF

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

NYC045-049-292230-
/O.CON.KBUF.SV.W.0089.000000T0000Z-080629T2230Z/
LEWIS NY-JEFFERSON NY-
603 PM EDT SUN JUN 29 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR EASTERN JEFFERSON AND LEWIS COUNTIES...

AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE 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 9 MILES NORTHEAST OF
PHILADELPHIA TO DEFERIET TO BARNES CORNERS TO 14 MILES WEST OF 
HIGHMARKET....MOVING EAST AT 33 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  NATURAL BRIDGE BY 610 PM EDT...
  CASTORLAND BY 615 PM EDT...
  LOWVILLE AND HARRISVILLE BY 620 PM EDT...
  INDIAN RIVER AND HIGHMARKET AND MARTINSBURG BY 625 PM EDT...
  TURIN AND CONSTABLEVILLE AND LYONS FALLS BY 630 PM EDT...

THESE ARE DANGEROUS STORMS. 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.

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

LAT...LON 4358 7516 4342 7553 4347 7576 4369 7577
      4370 7589 4419 7593 4418 7533 4409 7515
      4367 7511
TIME...MOT...LOC 2203Z 268DEG 29KT 4423 7550 4402 7559
          4380 7568 4356 7576

$$

APB

000 
WWUS51 KBUF 292218
SVSBUF

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

NYC045-049-292230-
/O.CON.KBUF.SV.W.0089.000000T0000Z-080629T2230Z/
LEWIS NY-JEFFERSON NY-
617 PM EDT SUN JUN 29 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR EASTERN JEFFERSON AND LEWIS COUNTIES...

AT 616 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED 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
NORTH OF NATURAL BRIDGE TO LOWVILLE TO 12 MILES SOUTHWEST OF
HIGHMARKET...OR ALONG A LINE EXTENDING FROM 16 MILES NORTHEAST OF
FORT DRUM TO 21 MILES SOUTHEAST OF FORT DRUM TO 10 MILES NORTH OF
CAMDEN...MOVING EAST AT 33 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  HIGHMARKET AND MARTINSBURG AND CROGHAN BY 625 PM EDT...
  HARRISVILLE AND TURIN AND CONSTABLEVILLE BY 630 PM EDT...

THESE ARE DANGEROUS STORMS. 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.

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

LAT...LON 4358 7516 4342 7553 4347 7576 4369 7577
      4370 7589 4419 7593 4418 7533 4409 7515
      4367 7511
TIME...MOT...LOC 2217Z 268DEG 29KT 4417 7548 4380 7552
          4349 7571

$$

APB

000 
WWUS51 KBUF 292228
SVSBUF

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

NYC045-049-292236-
/O.EXP.KBUF.SV.W.0089.000000T0000Z-080629T2230Z/
LEWIS NY-JEFFERSON NY-
626 PM EDT SUN JUN 29 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JEFFERSON AND LEWIS
COUNTIES WILL EXPIRE AT 630 PM EDT...

AT 626 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. HOWEVER...WIND 
GUSTS UP TO 50 MPH ARE STILL POSSIBLE OVER THE EASTERN END OF LEWIS 
COUNTY UNTIL 7 PM. 

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

LAT...LON 4358 7516 4342 7553 4347 7576 4369 7577
      4370 7589 4419 7593 4418 7533 4409 7515
      4367 7511
TIME...MOT...LOC 2226Z 268DEG 29KT 4417 7538 4380 7542
          4349 7561

$$

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, 5:39 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	41 min
Jun 29, 5:43 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.