Alert archive / New York / Tornado Warnings in 2012

Tornado Warning 4, NWS New York, NY

August 10, 2012Suffolk County, New York

NWS New York, NY issued this tornado warning at Aug 10, 2012, 3:19 PM EDT for Suffolk County, New York. It was in force for 26 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 10, 2012, 3:19 PM EDT (19:19 UTC)
Expired
Aug 10, 2012, 3:45 PM EDT
In force
26 min
Issued by
NWS New York, NY
Area
Storm-based polygon

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 66 km from the middle of the area, began a volume at 19:22 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

Brookhaven, NY (KOKX), launched 12:00Z, 7.3 hours before the alert went out and 66 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, Brookhaven, NY at 12:00Z on 2012-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1737 joules per kilogram.LCLLFCEL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 2012-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1737 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

221 
WFUS51 KOKX 101919
TOROKX
NYC103-101945-
/O.NEW.KOKX.TO.W.0004.120810T1919Z-120810T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
319 PM EDT FRI AUG 10 2012

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH FORK OF SUFFOLK COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 345 PM EDT...

* AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR EAST
  HAMPTON...OR 7 MILES EAST OF BRIDGEHAMPTON...MOVING NORTHEAST AT 25
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4098 7207 4093 7221 4105 7217 4104 7212
      4102 7212 4103 7211 4103 7209 4102 7211
      4100 7210 4102 7208 4101 7203
TIME...MOT...LOC 1919Z 220DEG 22KT 4094 7216

$$

SEARS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 3:55 AM EDTSmall Craft AdvisoryOKX30 hr
Aug 10, 9:47 AM EDTAreal Flood AdvisoryOKXOrange58 min
Aug 10, 10:24 AM EDTAreal Flood AdvisoryOKXPutnam, Westchester51 min
Aug 10, 10:49 AM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Orange, Queens and 3 more116 min
Aug 10, 11:02 AM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Orange, Queens and 3 more103 min
Aug 10, 11:48 AM EDTAreal Flood AdvisoryOKXNassau87 min
Aug 10, 12:09 PM EDTAreal Flood AdvisoryOKXPutnam, Westchester81 min
Aug 10, 12:48 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens, Richmond57 min
Aug 10, 12:53 PM EDTAreal Flood AdvisoryOKXOrange, Rockland52 min
Aug 10, 1:03 PM EDTSpecial Marine WarningOKX27 min
Aug 10, 1:18 PM EDTAreal Flood AdvisoryOKXNassau, Suffolk87 min
Aug 10, 1:21 PM EDTSpecial Weather StatementOKXNassau54 min
Aug 10, 1:33 PM EDTTornado WarningOKXSuffolk8 min
Aug 10, 1:47 PM EDTAreal Flood AdvisoryOKXPutnam, Westchester58 min
Aug 10, 1:56 PM EDTTornado WarningOKXSuffolk19 min
Aug 10, 2:00 PM EDTFlash Flood WarningOKXSuffolk2 hr
Aug 10, 2:11 PM EDTSpecial Marine WarningOKX64 min
Aug 10, 2:14 PM EDTSpecial Marine WarningOKX61 min
Aug 10, 2:23 PM EDTSpecial Weather StatementOKXSuffolk52 min
Aug 10, 2:24 PM EDTAreal Flood AdvisoryOKXSuffolk81 min
Aug 10, 2:47 PM EDTFlash Flood WarningOKXSuffolk88 min
Aug 10, 3:07 PM EDTSpecial Marine WarningOKX23 min
Aug 10, 3:10 PM EDTSpecial Marine WarningOKX35 min
Aug 10, 3:16 PM EDTSpecial Marine WarningOKX59 min
Aug 10, 3:47 PM EDTSpecial Marine WarningOKX43 min
Aug 10, 4:18 PM EDTSpecial Marine WarningOKX57 min
Aug 10, 5:08 PM EDTAreal Flood AdvisoryOKXRockland112 min

Nearby

Tornado Warnings in New York, 2012Every tornado warning in 2012Tornadoes 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.