Alert archive / New York / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 21, NWS New York, NY

July 14, 1989Suffolk County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 14, 1989, 5:00 PM EDT for Suffolk County, New York. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 14, 1989, 5:00 PM EDT (21:00 UTC)
Expired
Jul 14, 1989, 6:00 PM EDT
In force
60 min
Issued by
NWS New York, NY
Area
Whole counties

County Suffolk County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 14, 5:10 PM EDTHail 0.75Suffolk, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.0 hours before the alert went out and 216 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 1989-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 87 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 1989-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
87 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
9 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 142101
SVRNYC
NYC103-142200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
ATTENTION U.S. COAST GUARD PLEASE BROADCAST ON 2182 KHZ.
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
500 PM EDT FRI JUL 14 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE STATE OF NEW YORK
          EASTERN SUFFOLK...
          AND THE SURROUNDING COASTAL WATERS...

AT 500 PM EDT RADAR SHOWED POSSIBLE SEVERE THUNDERSTORMS AFFECTING
THE TWIN FORKS AREA OF EASTERN SUFFOLK COUNTY LONG ISLAND.
A WATERSPOUT WAS REPORTED WITH A THUNDERSTORM OVER GREAT PECONIC BAY
AROUND 440 PM.

THESE STORMS WERE MOVING SOUTHEAST AROmUND 25 MILES AN HOUR. IF A
THUNDERSTORM APPROACHES...GET INSIDE A STURDY BUILDING FOR THE GREATEST
PROTECTION. MARINE INTERESTS SHOULD SEEK SAFE HARBOR IMMEDIATELY.

JRP

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 14, 2:34 PM EDT, 2 hours 26 minutes before
^BOSSPSBDR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
 230   PM  EST  FRI  JUL  14  1989

 .....NATIONAL WEATHER SERVICE RADAR SHOWS AN AREA OF STRONG
THUNDERSTORMS MOVING SOUTHEAST OVER NEW HAVEN AND MIDDLESEX COUNTIES
WITH REPORTS OF HAIL NEAR MERIDEN.

THESE SHOWERS AND THUNDERSTORMS IN NEW HAVEN AND MIDDLESEX COUNTIES MAY
PRODUCE STRONG GUSTY WINDS....LOCALLY HEAVY DOWNPOURS AND HAIL IS
REPORTED IN THE MERIDEN AREA.

PrERSONS LIVING IN NEW HAVEN AND MIDDLESEX COUNTIES SHOULD SEEK SHELTER
IF THREATENING WEATHER APPROACHES YOUR AREA.

WALKER
Special weather statement, Jul 14, 4:12 PM EDT, 48 minutes before
^BOSSPSBDR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
410 PM EDT FRI JUL 14 1989

 .....WEATHER SERVICE RADAR CONTINUES TO SHOW THUNDERSTORMS...
AT 4 PM THE NEW YORK CITY RADAR CONTINUES TO SHOW STRONG THUNDERSTORMS
ON COASTAL CONNECTICUT..ESPECIALLY NEAR NEW HAVEN CT.

THE POLICE IN EAST HAVEN HAVE REPORTED MARBLE SIZE HAIL AND SEVERAL
WEATHER SERVICE SPOTTERS HAVE REPORTED THE SAME.  IN FAIR HAVEN THE
HAIL WAS NUMEROUS AND LASTED FOR A WHILE.  A WIND GUST TO 40 MPH WAS
REPORTED BY THE POLICE IN CLINTON CT.

PERSONS SHOULD BE AWARE IF THREATENING WEATHER APPROACHES AND SEEK
SHELTER IF THREATENING WEATHER APPROACHES.

FOOSE

Nearby

Severe Thunderstorm Warnings in New York, 1989Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.