Alert archive / New York / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 2, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 16, 1989, 10:42 PM EDT for Nassau County, Suffolk County, New York. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1989, 10:42 PM EDT (02:42 UTC)
- Expired
- Jun 16, 1989, 11:30 PM EDT
- In force
- 48 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Nassau County, NY, Suffolk County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 00:00Z, 2.7 hours before the alert went out and 193 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.
- Mixed-layer CAPE
- 567 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNYC 170242
SVRNYC
NYC059-103-170330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1042 PM EDT FRI JUN 16 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 1130 PM EDT FOR
PEOPLE IN THE FOLLOWING COUNTIES
IN THE STATE OF NEW YORK
EASTERN NASSAU...WESTERN SUFFOLK
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED
AT 1100 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO
WESTERN SUFFOLK COUNTY ON LONG ISLAND. THE THUNDERSTORM WAS MOVING
NORTHEAST AROUND 40 MILES AN HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
JRPWhat 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, Jun 16, 5:19 PM EDT, 5 hours 23 minutes before
^BOSSPSBDR SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 517 PM EDT FRI JUN 16 1989 ...A SEVERE THUNDERSTORM WATCH UNTIL 10 PM EDT FOR FAIRFIELD AND NEW HAVEN COUNTIES IN CONNECTICUT... A WARM FRONT ALONG THE CONNECTICUT COAST WILL DRIFT SLOWLY NORTHWARD ACROSS THE AREA THIS EVENING...WITH IT SOME STRONG THUNDERSTORMS HAVE DEVELOPED TO THE NORTH OF PHILADELPHIA...PA. WITH LIGHTER SHOWERS AND THUNDERSTORMS WIDELY SCATTERED OVER EASTERN PENNSYLVANIA AND WERE MOVING INTO WESTERN NEW JERSEY. AT THIS TIME IT LOOKS AS IF WE WILL GET THROUGH THE RUSH HOUR IN SOUTHWESTERN CONNECTICUT. HOWEVER AS OF 430 PM THIS AREA OF THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 40 MPH. AND COULD REACH THE BRIDGEPORT...NEW HAVEN AREA THIS EVENING...WITH STRONG GUSTY WINDS...HAIL...HEAVY DOWNPOURS AND DANGEROUS LIGHTNING. HAZZARD
Special weather statement, Jun 16, 5:28 PM EDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 530 PM EDT FRI JUN 16 1989 ...DO NOT USE AFTER 7 PM EDT... A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR SOUTHEASTERN NEW YORK INCLUDING NEW YORK CITY AND LONG ISLAND...AS WELL AS NEW JERSEY... SOUTHWESTERN CONNECTICUT...EASTERN PENNSYLVANIA AND THE ADJACENT COASTAL WATERS UNTIL 10 PM TONIGHT. RADAR SHOWED STRONG THUNDERSTORMS ABOUT 10 MILES SOUTHWEST OF ALLENTOWN AND IN THE VICINITY OF LANCASTER PENNSYLVANIA...AND ABOUT 30 AND 40 MILES SOUTHEAST OF BALTIMORE. THE ONE NEAR ALLENTOWN WILL SOON MOVE INTO HUNTERDON AND WARREN COUNTIES OF NEW JERSEY. OTHER LIGHTER SHOWERS AND THUNDERSHOWERS WERE SCATTERED OVER THE REST OF SOUTHEASTERN PENNSYLVANIA AND OVER NORTHEASTERN MARYLAND. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. EY
Special weather statement, Jun 16, 8:27 PM EDT, 2 hours 15 minutes before
^BOSSPSBDR SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 825 PM EDT FRI JUN 16 1989 ...A SEVERE THUNDERSTORM WATCH UNTIL 10 PM EDT FOR FAIRFIELD AND NEW HAVEN COUNTIES IN CONNECTICUT...AND ADJACENT COASTAL WATERS... AS OF 825 PM A THUNDERSTORM WAS MOVING EAST FRON NEW YORK STATE AND SHOULD REACH THE AREA FROM RIDGEFIELD TO GREENWICH IN SOUTHWEST FAIRFIELD COUNTY FROM ABOUT 830 TO 845 PM EDT. THIS THUNDERSTORM MAY HAVE STRONG GUSTY WINDS...HAIL...HEAVY DOWNPOURS AND DANGEROUS LIGHTNING. IT WAS MOVING TO THE NORTHEAST AT 30 MPH. HAZZARD
Special weather statement, Jun 16, 9:12 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 910 PM EDT FRI JUN 16 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM... AT 900 PM RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN NEAR JFK AIRPORT IN QUEENS. THESE THUNDERSTORMS WILL MOVE NORTHEAST AT 35 MPH ACROSS QUEENS..NASSAU AND WESTERN SUFFOLK COUNTIES BY 10 PM. THESE THUNDERSTORMS CONTAIN VERY HEAVY RAINS..STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE HEAVY RAINS MAY CAUSE BRIEF STREET AND HIGHWAY FLOODING. REMAIN ALERT TO WEATHER CONDITIONS IN YOUR AREA. SDT
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; the sounding from the Mesonet's radiosonde archive.