Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 157, NWS Buffalo, NY

August 18, 2008Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 18, 2008, 7:55 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 65 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 18, 2008, 7:55 PM EDT (23:55 UTC)
Expired
Aug 18, 2008, 9:00 PM EDT
In force
65 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 32 km from the middle of the area, began a volume at 23:55 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.

IssuedProductOfficeLasted
Aug 18, 3:12 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.9 hours before the alert went out and 188 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2008-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2008-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
71 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 182355
SVRBUF
NYC045-049-075-190100-
/O.NEW.KBUF.SV.W.0157.080818T2355Z-080819T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
755 PM EDT MON AUG 18 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTH CENTRAL JEFFERSON COUNTY IN CENTRAL NEW YORK
  SOUTHERN LEWIS COUNTY IN CENTRAL NEW YORK
  OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 900 PM EDT

* AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR SELKIRK BEACH...OR 14 MILES
  NORTHEAST OF OSWEGO...AND MOVING EAST AT 32 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SELKIRK BEACH BY 800 PM EDT...
  PULASKI BY 805 PM EDT...
  REDFIELD BY 835 PM EDT...
  HIGHMARKET BY 900 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4356 7521 4342 7553 4347 7581 4334 7587
      4331 7586 4337 7649 4354 7639 4352 7633
      4355 7623 4373 7622 4365 7512
TIME...MOT...LOC 2355Z 272DEG 28KT 4360 7625

$$

TJP
2 follow-up statements
000 
WWUS51 KBUF 190040
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
840 PM EDT MON AUG 18 2008

NYC045-049-075-190100-
/O.CON.KBUF.SV.W.0157.000000T0000Z-080819T0100Z/
LEWIS NY-OSWEGO NY-JEFFERSON NY-
840 PM EDT MON AUG 18 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR EXTREME SOUTH CENTRAL JEFFERSON...OSWEGO AND SOUTHERN LEWIS
COUNTIES...

AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR OSCEOLA...OR 14 MILES
NORTH OF CAMDEN...MOVING EAST AT 32 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HIGHMARKET BY 845 PM EDT...
  CONSTABLEVILLE BY 855 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4356 7521 4342 7553 4347 7581 4334 7587
      4331 7586 4337 7649 4354 7639 4352 7633
      4355 7623 4373 7622 4365 7512
TIME...MOT...LOC 0040Z 272DEG 28KT 4352 7561

$$

TJP
000 
WWUS51 KBUF 190102
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
902 PM EDT MON AUG 18 2008

NYC045-049-075-190112-
/O.EXP.KBUF.SV.W.0157.000000T0000Z-080819T0100Z/
LEWIS NY-OSWEGO NY-JEFFERSON NY-
902 PM EDT MON AUG 18 2008

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTH CENTRAL
JEFFERSON...OSWEGO AND SOUTHERN LEWIS COUNTIES HAS EXPIRED...

AT 902 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.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4356 7521 4342 7553 4347 7581 4334 7587
      4331 7586 4337 7649 4354 7639 4352 7633
      4355 7623 4373 7622 4365 7512
TIME...MOT...LOC 0040Z 272DEG 28KT 4351 7561

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 4:19 PM EDTSpecial Marine WarningBUF41 min
Aug 18, 5:03 PM EDTSpecial Marine WarningBUF24 min
Aug 18, 5:34 PM EDTSpecial Marine WarningBUF56 min
Aug 18, 6:15 PM EDTSpecial Marine WarningBUF60 min
Aug 18, 7:18 PM EDTSpecial Marine WarningBUF57 min
Aug 18, 7:26 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis64 min
Aug 18, 7:41 PM EDTSpecial Marine WarningBUF65 min

Nearby

Severe Thunderstorm Warnings in New York, 2008Every 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.