Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Buffalo, NY

September 22, 2012Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 22, 2012, 8:42 AM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 63 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
Sep 22, 2012, 8:42 AM EDT (12:42 UTC)
Expired
Sep 22, 2012, 9:45 AM EDT
In force
63 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), 30 km from the middle of the area, began a volume at 13:01 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

TimeReportWhereRemark
Sep 22, 9:06 AM EDTTSTM WND DMGWatertown, NYTREE AND WIRES 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, 0.7 hours before the alert went out and 220 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 2012-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2012-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
256 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.

506 
WUUS51 KBUF 221242
SVRBUF
NYC045-049-075-221345-
/O.NEW.KBUF.SV.W.0087.120922T1242Z-120922T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
842 AM EDT SAT SEP 22 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL NEW YORK
  WESTERN LEWIS COUNTY IN CENTRAL NEW YORK
  NORTHEASTERN OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 945 AM EDT

* AT 838 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 12 MILES WEST OF WATERTOWN TO 22 MILES NORTHEAST OF OSWEGO TO
  7 MILES NORTHEAST OF FULTON...AND MOVING EAST AT 30 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  ADAMS...
  ADAMS CENTER...
  WATERTOWN...
  CALCIUM...
  FORT DRUM...
  REDFIELD...
  WEST CARTHAGE...
  CARTHAGE...
  LOWVILLE...

LAT...LON 4424 7547 4342 7551 4348 7581 4336 7587
      4332 7630 4353 7628 4358 7621 4391 7622
      4387 7621 4390 7614 4394 7615 4397 7621
      4403 7620 4401 7619 4402 7615 4406 7616
      4405 7620 4416 7619 4425 7550
TIME...MOT...LOC 1242Z 262DEG 25KT 4394 7610 4367 7612
          4337 7625

$$

RSH
1 follow-up statement
586 
WWUS51 KBUF 221316
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
916 AM EDT SAT SEP 22 2012

NYC045-049-075-221345-
/O.CON.KBUF.SV.W.0087.000000T0000Z-120922T1345Z/
LEWIS NY-JEFFERSON NY-OSWEGO NY-
916 AM EDT SAT SEP 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EDT
FOR NORTHEASTERN OSWEGO...EASTERN JEFFERSON AND WESTERN LEWIS
COUNTIES...

AT 915 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM WATERTOWN TO 20 MILES SOUTH OF WATERTOWN TO 13 MILES 
NORTH OF CICERO...MOVING EAST AT 30 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  DEFERIET...
  WEST CARTHAGE...
  ANTWERP...
  CASTORLAND...

LAT...LON 4424 7547 4342 7551 4348 7581 4336 7587
      4334 7616 4384 7593 4421 7580 4425 7550
TIME...MOT...LOC 1316Z 262DEG 25KT 4397 7580 4370 7587
          4336 7603

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 9:45 PM EDTSmall Craft AdvisoryBUF54 hr
Sep 22, 6:31 AM EDTSpecial Marine WarningBUF44 min
Sep 22, 6:31 AM EDTSpecial Weather StatementBUFWayne29 min
Sep 22, 7:13 AM EDTSpecial Marine WarningBUF62 min
Sep 22, 7:43 AM EDTSpecial Weather StatementBUFJefferson, Lewis, Oswego92 min
Sep 22, 8:18 AM EDTSpecial Marine WarningBUF27 min
Sep 22, 9:20 AM EDTSpecial Weather StatementBUFLewis55 min
Sep 22, 9:45 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.