Alert archive / New York / Tornado Warnings in 2012

Tornado Warning 2, NWS New York, NY

August 10, 2012Suffolk County, New York

NWS New York, NY issued this tornado warning at Aug 10, 2012, 1:33 PM EDT for Suffolk County, New York. It was in force for 8 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, 1:33 PM EDT (17:33 UTC)
Expired
Aug 10, 2012, 1:41 PM EDT
In force
8 min
Issued by
NWS New York, NY
Area
Storm-based polygon

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 33 km from the middle of the area, began a volume at 17:34 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, 5.6 hours before the alert went out and 33 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°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.

814 
WFUS51 KOKX 101733
TOROKX
NYC103-101800-
/O.NEW.KOKX.TO.W.0002.120810T1733Z-120810T1800Z/

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

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* TORNADO WARNING FOR...
  SUFFOLK COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 200 PM EDT...

* AT 130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ROBERT
  MOSES STATE PARK...MOVING NORTH AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CAPTREE STATE PARK...BABYLON...BAY SHORE...ISLIP...SAYVILLE...DEER
  PARK...BRENTWOOD...STONY BROOK...SMITHTOWN...RONKONKOMA...PORT
  JEFFERSON...HOLBROOK...HAUPPAUGE...FARMINGVILLE...DIX HILLS...
  COMMACK AND CENTEREACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 4063 7333 4063 7334 4065 7334 4067 7324
      4069 7326 4067 7334 4093 7334 4091 7321
      4093 7316 4098 7312 4097 7302 4072 7307
      4072 7312 4069 7315 4070 7321 4067 7320
      4065 7316 4067 7308 4065 7308 4061 7331
TIME...MOT...LOC 1733Z 184DEG 21KT 4063 7321

$$
SEARS
2 follow-up statements
057 
WWUS51 KOKX 101736
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
136 PM EDT FRI AUG 10 2012

NYC103-101800-
/O.CON.KOKX.TO.W.0002.000000T0000Z-120810T1800Z/
SUFFOLK NY-
136 PM EDT FRI AUG 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM EDT FOR FIRE 
ISLAND ONLY...

AT 134 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SALTAIRE...OR NEAR
ROBERT MOSES STATE PARK...MOVING NORTH AT 25 MPH.

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 4063 7333 4063 7334 4065 7316 4067 7308
      4065 7308 4061 7331
TIME...MOT...LOC 1736Z 184DEG 21KT 4065 7321

$$
SEARS
304 
WWUS51 KOKX 101741
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
141 PM EDT FRI AUG 10 2012

NYC103-101751-
/O.CAN.KOKX.TO.W.0002.000000T0000Z-120810T1800Z/
SUFFOLK NY-
141 PM EDT FRI AUG 10 2012

...THE TORNADO WARNING FOR SUFFOLK COUNTY IS CANCELLED...

THE STORM THAT WARRANTED THE ISSUANCE HAS WEAKENED. 

LAT...LON 4063 7333 4063 7334 4065 7316 4067 7308
      4065 7308 4061 7331
TIME...MOT...LOC 1741Z 184DEG 21KT 4068 7321

$$
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, 1:47 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, 3:19 PM EDTTornado WarningOKXSuffolk26 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.