Alert archive / New York / Tornado Warnings in 2016

Tornado Warning 1, NWS New York, NY

August 10, 2016Suffolk County, New York

NWS New York, NY issued this tornado warning at Aug 10, 2016, 4:21 PM EDT for Suffolk County, New York. It was in force for 24 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, 2016, 4:21 PM EDT (20:21 UTC)
Expired
Aug 10, 2016, 4:45 PM EDT
In force
24 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 43 km from the middle of the area, began a volume at 20:20 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, 8.4 hours before the alert went out and 43 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 2016-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 526 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 2016-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939Sfc1 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
526 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

965 
WFUS51 KOKX 102021
TOROKX
NYC103-102045-
/O.NEW.KOKX.TO.W.0001.160810T2021Z-160810T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
421 PM EDT WED AUG 10 2016

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL SUFFOLK COUNTY IN SOUTHEASTERN NEW YORK...

* UNTIL 445 PM EDT
    
* AT 420 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR PECONIC...OR NEAR MATTITUCK...MOVING EAST
  AT 25 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  NOYACK AROUND 435 PM EDT. 
  SAG HARBOR AROUND 440 PM EDT. 
  BRIDGEHAMPTON AROUND 445 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE NORTH
HAVEN...WATERMILL...EAST HAMPTON AIRPORT...CUTCHOGUE...NORTH
SEA...MONTAUK HIGHWAY AND SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
UPTON NY.

IF ON OR NEAR PECONIC BAY...GET AWAY FROM THE WATER AND MOVE TO SAFE
SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE LARGE
CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO DOCK AND
SEEK SAFE SHELTER NOW! DO NOT BE CAUGHT ON THE WATER IN A
THUNDERSTORM.

&&

LAT...LON 4092 7224 4088 7234 4093 7246 4095 7245
      4097 7248 4098 7248 4097 7253 4097 7254
      4104 7249 4103 7238 4101 7236 4100 7233
      4103 7234 4102 7226 4103 7225 4102 7217
TIME...MOT...LOC 2020Z 288DEG 20KT 4099 7248 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GOODMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 10:08 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk71 hr
Aug 10, 1:24 PM EDTSpecial Marine WarningOKX66 min
Aug 10, 2:24 PM EDTSpecial Marine WarningOKX96 min
Aug 10, 3:04 PM EDTSpecial Marine WarningOKX56 min
Aug 10, 3:26 PM EDTSpecial Weather StatementOKXSuffolk49 min
Aug 10, 3:36 PM EDTAreal Flood AdvisoryOKXSuffolk3 hr
Aug 10, 3:56 PM EDTFlash Flood WarningOKXSuffolk3 hr
Aug 10, 4:04 PM EDTSpecial Marine WarningOKX26 min
Aug 10, 4:13 PM EDTSpecial Weather StatementOKXSuffolk47 min
Aug 10, 4:20 PM EDTSmall Craft AdvisoryOKX14 hr
Aug 10, 4:24 PM EDTSpecial Marine WarningOKX66 min
Aug 10, 4:44 PM EDTSevere Thunderstorm WarningOKXSuffolk46 min
Aug 10, 6:11 PM EDTAreal Flood AdvisoryOKXNassau, Suffolk2 hr

Nearby

Tornado Warnings in New York, 2016Every tornado warning in 2016Tornadoes in 2016

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.