Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 70, NWS Buffalo, NY

August 9, 2012Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 9, 2012, 11:16 PM EDT for Oswego County, New York. It was in force for 74 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 9, 2012, 11:16 PM EDT (03:16 UTC)
Expired
Aug 10, 2012, 12:30 AM EDT
In force
74 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 61 km from the middle of the area, began a volume at 03:17 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

Albany, NY (KALY), launched 00:00Z, 3.3 hours before the alert went out and 192 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 00:00Z on 2012-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 685 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 00:00Z on 2012-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
685 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1509 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
93 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.

045 
WUUS51 KBUF 100316
SVRBUF
NYC075-100430-
/O.NEW.KBUF.SV.W.0070.120810T0316Z-120810T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1116 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 1230 AM EDT

* AT 1112 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 16 MILES SOUTHWEST OF CENTRAL
  SQUARE...OR NEAR FAIRMOUNT...AND MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  LOWER SOUTH BAY...
  CONSTANTIA...
  CLEVELAND...
  WILLIAMSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. 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.

&&

LAT...LON 4333 7588 4332 7585 4316 7588 4315 7592
      4319 7608 4323 7612 4326 7620 4321 7619
      4320 7622 4321 7626 4320 7629 4328 7623
      4356 7594 4347 7581
TIME...MOT...LOC 0316Z 227DEG 23KT 4310 7623

$$

APFFEL
2 follow-up statements
790 
WWUS51 KBUF 100345
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1145 PM EDT THU AUG 9 2012

NYC075-100430-
/O.CON.KBUF.SV.W.0070.000000T0000Z-120810T0430Z/
OSWEGO NY-
1145 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR SOUTHEASTERN OSWEGO COUNTY...

AT 1141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LOWER SOUTH BAY...OR NEAR CICERO...MOVING NORTHEAST AT
25 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CONSTANTIA...
  CLEVELAND...
  WILLIAMSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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 4333 7588 4332 7585 4316 7588 4315 7592
      4319 7608 4323 7612 4326 7620 4321 7619
      4320 7622 4321 7626 4320 7629 4328 7623
      4356 7594 4347 7581
TIME...MOT...LOC 0345Z 227DEG 23KT 4323 7604

$$

TJP
601 
WWUS51 KBUF 100423
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1223 AM EDT FRI AUG 10 2012

NYC075-100432-
/O.EXP.KBUF.SV.W.0070.000000T0000Z-120810T0430Z/
OSWEGO NY-
1223 AM EDT FRI AUG 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSWEGO COUNTY
WILL EXPIRE AT 1230 AM EDT...

AT 1222 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4333 7588 4332 7585 4316 7588 4315 7592
      4319 7608 4323 7612 4326 7620 4321 7619
      4320 7622 4321 7626 4320 7629 4328 7623
      4356 7594 4347 7581
TIME...MOT...LOC 0422Z 227DEG 23KT 4339 7580

$$

APFFEL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:59 PM EDTSpecial Weather StatementBUFLivingston61 min
Aug 9, 9:08 PM EDTSmall Craft AdvisoryBUF10 hr
Aug 9, 10:14 PM EDTSpecial Marine WarningBUF61 min
Aug 9, 10:37 PM EDTSpecial Marine WarningBUF53 min
Aug 9, 10:55 PM EDTSpecial Weather StatementBUFOswego50 min
Aug 9, 11:19 PM EDTSpecial Marine WarningBUF56 min
Aug 10, 12:20 AM EDTSpecial Marine WarningBUF55 min
Aug 10, 12:21 AM EDTSpecial Weather StatementBUFLewis54 min
Aug 10, 2:29 PM EDTSpecial Weather StatementBUFChautauqua61 min
Aug 10, 3:31 PM EDTSevere Thunderstorm WarningBUFChautauqua44 min
Aug 10, 3:54 PM EDTSpecial Weather StatementBUFGenesee66 min
Aug 10, 3:55 PM EDTSmall Craft AdvisoryBUF42 hr
Aug 10, 4:40 PM EDTSpecial Weather StatementBUFCattaraugus50 min
Aug 10, 5:05 PM EDTSpecial Weather StatementBUFLivingston40 min
Aug 10, 5:40 PM EDTSpecial Weather StatementBUFCattaraugus65 min
Aug 10, 5:47 PM EDTSpecial Weather StatementBUFOntario58 min
Aug 10, 6:28 PM EDTAreal Flood AdvisoryBUFMonroe, Wayne69 min

Nearby

Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning in 2012

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.