Alert archive / New York / Tornado Warnings in 1995

Tornado Warning 7, NWS New York, NY

June 20, 1995Suffolk County, New York

NWS New York, NY issued this tornado warning at Jun 20, 1995, 5:34 PM EDT for Suffolk County, New York. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 20, 1995, 5:34 PM EDT (21:34 UTC)
Expired
Jun 20, 1995, 6:30 PM EDT
In force
56 min
Issued by
NWS New York, NY
Area
Whole counties

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 17 km from the middle of the area, began a volume at 21:37 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, 9.6 hours before the alert went out and 17 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 1995-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 945 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 1995-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
945 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
97 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.

000 
TTAA00 KNYC 202135
TORNYC
NYC103-NYZ501-502-202230-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
534 PM EDT TUE JUN 20 1995
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL  630 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...EASTERN SUFFOLK COUNTY...THE TWIN FORKS
 
  AND FOR MARINE INTERESTS ON THE SURROUNDING WATERS BETWEEN THE
      TWIN FORKS AND THE SOUTH SHORE OF LONG ISLAND EAST OF
      WESTHAMPTON BEACH
 
A LARGE SEVERE THUNDERSTORM WAS ENTERING LONG ISLAND SOUND FROM SOUTHERN
MIDDLESEX AND NEW LONDON COUNTIES. IT WAS MOVING SOUTH AT 25 MPH. IT
WILL APPROACH GREENPORT AROUND 540 PM AND AROUND NOYAK AT 555 PM.
 
LARGE HAIL, WINDS IN EXCESS OF 60 MPH AND THE POSSIBILITY OF TORNADOES
DO EXIST WITH THE PASSAGE OF THESE STORMS.
 
 
 
THUNDERSTORMS POSE A VARIETY OF THREATS TO BOATER SAFETY FROM
BOTH GUSTY WINDS AND LIGHTNING.  YOUR BEST COURSE OF ACTION
DURING THUNDERSTORMS IS TO SEEK SAFE HARBOR...BUT IF YOU ARE
CAUGHT ON THE OPEN WATER...STAY BELOW DECK...IF POSSIBLE...AND
AWAY FROM UNGROUNDED METAL OBJECTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 5:45 PM EDTSevere Thunderstorm WarningOKXOrange60 min
Jun 20, 6:33 PM EDTSevere Thunderstorm WarningOKXOrange57 min
Jun 20, 6:58 PM EDTSevere Thunderstorm WarningOKXSuffolk47 min

Nearby

Tornado Warnings in New York, 1995Every tornado warning in 1995Tornadoes in 1995

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.