Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 27, NWS Buffalo, NY

May 29, 2012Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2012, 1:47 PM EDT for Lewis County, Oswego County, New York. It was in force for 38 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
May 29, 2012, 1:47 PM EDT (17:47 UTC)
Expired
May 29, 2012, 2:25 PM EDT
In force
38 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 26 km from the middle of the area, began a volume at 17:49 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
May 29, 10:27 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.8 hours before the alert went out and 165 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 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1908 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 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1908 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
141 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.

905 
WUUS51 KBUF 291747
SVRBUF
NYC049-075-291845-
/O.NEW.KBUF.SV.W.0027.120529T1747Z-120529T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
147 PM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 245 PM EDT

* AT 143 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 14     
  MILES SOUTHWEST OF REDFIELD...AND MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  REDFIELD...
  HIGHMARKET...
  NORTH OSCEOLA...
  TURIN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4360 7512 4342 7553 4342 7556 4356 7571
      4339 7609 4354 7617 4392 7515 4391 7514
      4364 7510 4362 7510
TIME...MOT...LOC 1747Z 258DEG 34KT 4346 7604

$$

ZAFF
1 follow-up statement
395 
WWUS51 KBUF 291825
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
225 PM EDT TUE MAY 29 2012

NYC049-075-291835-
/O.CAN.KBUF.SV.W.0027.000000T0000Z-120529T1845Z/
LEWIS NY-OSWEGO NY-
225 PM EDT TUE MAY 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OSWEGO AND
SOUTHERN LEWIS COUNTIES IS CANCELLED...

AT 225 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 CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4360 7512 4342 7553 4342 7556 4356 7571
      4339 7609 4354 7617 4392 7515 4391 7514
      4364 7510 4362 7510
TIME...MOT...LOC 1825Z 258DEG 34KT 4352 7555

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 3:51 AM EDTSpecial Weather StatementBUFLewis54 min
May 29, 4:24 AM EDTSpecial Weather StatementBUFWyoming66 min
May 29, 4:33 AM EDTSpecial Marine WarningBUF27 min
May 29, 4:41 AM EDTSpecial Weather StatementBUFJefferson34 min
May 29, 5:09 AM EDTSpecial Weather StatementBUFWyoming36 min
May 29, 5:17 AM EDTSpecial Weather StatementBUFLewis28 min
May 29, 6:34 AM EDTSevere Thunderstorm WarningBUFLewis22 min
May 29, 11:01 AM EDTSpecial Weather StatementBUFChautauqua44 min
May 29, 11:24 AM EDTSevere Thunderstorm WarningBUFChautauqua66 min
May 29, 11:39 AM EDTSevere Thunderstorm WarningBUFErie, Wyoming51 min
May 29, 12:11 PM EDTSevere Thunderstorm WarningBUFOswego64 min
May 29, 12:13 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario62 min
May 29, 12:20 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming41 min
May 29, 12:41 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne44 min
May 29, 12:47 PM EDTSevere Thunderstorm WarningBUFOntario58 min
May 29, 12:49 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario41 min
May 29, 12:54 PM EDTSpecial Marine WarningBUF36 min
May 29, 1:17 PM EDTSevere Thunderstorm WarningBUFWayne58 min
May 29, 1:20 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego55 min
May 29, 1:24 PM EDTAreal Flood AdvisoryBUFOswego3 hr
May 29, 1:27 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston63 min
May 29, 2:18 PM EDTSevere Thunderstorm WarningBUFOswego43 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.