Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 48, NWS Buffalo, NY

July 31, 2012Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 31, 2012, 6:03 PM EDT for Oswego County, New York. It was in force for 57 min. 2 reports 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: Jul 31, 2012, 6:03 PM EDT (22:03 UTC)
Expired: Jul 31, 2012, 7:00 PM EDT
In force: 57 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 63 km from the middle of the area, began a volume at 22:03 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
Jul 31, 6:15 PM EDT	TSTM WND DMG	Fulton, NY	TREES AND POWERLINES DOWN
Jul 31, 6:25 PM EDT	TSTM WND DMG	Volney, NY	TREE DOWN

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.1 hours before the alert went out and 214 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: 43 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 69 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.

728 
WUUS51 KBUF 312203
SVRBUF
NYC075-312300-
/O.NEW.KBUF.SV.W.0048.120731T2203Z-120731T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
603 PM EDT TUE JUL 31 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 700 PM EDT

* AT 602 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  SOUTHWEST OF FULTON...AND MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  FULTON...
  MINETTO...
  MEXICO...
  SCRIBA...
  PULASKI...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND 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 4321 7627 4321 7629 4323 7630 4322 7647
      4351 7644 4354 7638 4352 7629 4354 7624
      4360 7621 4356 7589
TIME...MOT...LOC 2203Z 226DEG 16KT 4324 7651

$$

HITCHCOCK

2 follow-up statements

268 
WWUS51 KBUF 312243
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
643 PM EDT TUE JUL 31 2012

NYC075-312300-
/O.CON.KBUF.SV.W.0048.000000T0000Z-120731T2300Z/
OSWEGO NY-
643 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR CENTRAL OSWEGO COUNTY...

AT 637 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 MEXICO...MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  MEXICO...
  PARISH...
  PULASKI...
  ALTMAR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM THAT HAS A HISTORY OF PRODUCING WIND 
DAMAGE. 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 4341 7605 4326 7622 4324 7644 4352 7629
      4354 7624 4360 7621 4356 7589
TIME...MOT...LOC 2242Z 225DEG 31KT 4353 7611

$$

HITCHCOCK

847 
WWUS51 KBUF 312302
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
702 PM EDT TUE JUL 31 2012

NYC075-312312-
/O.EXP.KBUF.SV.W.0048.000000T0000Z-120731T2300Z/
OSWEGO NY-
702 PM EDT TUE JUL 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OSWEGO COUNTY HAS
EXPIRED...

AT 702 PM 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.

A SEPARATE SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
NORTHERN OSWEGO COUNTY.

LAT...LON 4341 7605 4326 7622 4324 7644 4352 7629
      4354 7624 4360 7621 4356 7589
TIME...MOT...LOC 2243Z 225DEG 31KT 4354 7610

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 4:28 PM EDT	Severe Thunderstorm Warning	BUF	Livingston	32 min
Jul 31, 4:50 PM EDT	Areal Flood Advisory	BUF	Genesee, Livingston, Monroe, Wyoming	3 hr
Jul 31, 5:05 PM EDT	Special Weather Statement	BUF	Allegany	55 min
Jul 31, 5:13 PM EDT	Special Marine Warning	BUF		2 hr
Jul 31, 5:22 PM EDT	Flash Flood Warning	BUF	Genesee, Livingston, Monroe	3 hr
Jul 31, 5:31 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	59 min
Jul 31, 5:38 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	52 min
Jul 31, 6:09 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	17 min
Jul 31, 6:10 PM EDT	Special Marine Warning	BUF		88 min
Jul 31, 6:29 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	61 min
Jul 31, 6:48 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	72 min

Nearby

Severe Thunderstorm Warnings in New York, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.