Alert archive / New York / Flash Flood Warnings in 1989
Flash Flood Warning 9, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 9, 1989, 11:50 PM EDT for Suffolk County, New York. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1989, 11:50 PM EDT (03:50 UTC)
- Expired
- Jun 10, 1989, 2:45 AM EDT
- In force
- 3 hr
- 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.
The nearest sounding before it
Albany, NY (KALB), launched 00:00Z, 3.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNYC 100352
FFWNYC
NYC103-100645-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1150 PM EDT FRI JUN 9 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 245 AM EDT FOR PEOPLE IN
THE FOLLOWING COUNTY
IN THE STATE OF NEW YORK
SUFFOLK
AT 1130 PM RADAR IN NEW YORK CITY DETECTED THUNDERSTORMS
MOVING NORTHEASTWARD ACROSS SUFFOLK COUNTY. THESR THUNDERSTORMS
ARE ACCOMPANIED BY LOCALLY HEAVY DOWNPOURS. THERE WILL BE MANY
AREAS OF STANDING WATER AS WELL AS STREET...HIGHWAY...AND
BASEMENT FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADeWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
ESWhat forecasters said that day
The local office's own words before this flash flood 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 9, 9:00 PM EDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 845 PM EDT FRI JUN 9 1989 ...PLEASE DO NOT USE AFTER 10 PM EDT... A THUNDERSTORM COMPLEX PRODUCING VERY HEAVY DOWNPOURS...FREQUENT LIGHTNING AND GUSTY WINDS WAS LOCATED OVER THE CITY OF PHILADELPHIA NORTHEAST ACROSS MONTGOMERY AND BUCKS COUNTIES IN SOUTHEAST PENNSYLVANIA AND CAMDEN...BURLINGTON AND MERCER COUNTIES IN SOUTHWEST NEW JERSEY. THIS COMPLEX WILL BE MOVING INTO HUNTERDON...SOMERSET...MIDDLESEX AND MONMOUTH COUNTIES BY 930 PM AND PROBABLY REACH THE REMAINDER OF NORTHERN NEW JERSEY AND NEW YORK CITY BY AROUND 10 PM. TORRENTIAL DOWNPOURS...FREQUENT LIGHTNING AND URBAN AND HIGHWAY FLOODING IS LIKELY WITH THE PASSAGE OF THESE STORMS. ELSEWHERE A THUNDERSTORM WITH HEAVY RAIN WAS LOCATED ON THE WARREN/ MONROE COUNTY BORDER. HEAVY RAIN WAS ALREADY IN PROGRESS RIGHT AROUND NEW YORK CITY AND SHOULD MOVE INTO BERGEN...ROCKLAND AND WESTCHESTER COUNTIES SHORTLY. PATCHY LIGHT RAIN WAS OCCURRING OVER UPSTATE NEW YORK AND NORTHERN CONNECTICUT. THUNDERSTORMS WERE MOVING NORTHNORTHEAST AT 30 MILES AN HOUR. GIGI
Special weather statement, Jun 9, 9:48 PM EDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 935 PM EDT FRI JUN 9 1989 ...PLEASE DO NOT USE AFTER 11 PM EDT... A THUNDERSTORM COMPLEX PRODUCING TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING WAS LOCATED FROM THE FIVE BOROUGHS OF NEW YORK CITY SOUTHWEST ACROSS SOUTHERN BERGEN...HUDSON...ESSEX...UNION...SOMERSET...MIDDLESEX AND MONMOUTH COUNTIES IN NORTHERN NEW JERSEY. THIS COMPLEX WILL BE MOVING INTO THE REMAINDER OF BERGEN COUNTY AS WELL AS SOUTHEAST PASSAIC COUNTY BY 10 PM...THIS COMPLEX WILL ALSO REACH NASSAU...ROCKLAND AND WESTCHESTER COUNTIES BY 1100 PM. TORRENTIAL DOWNPOURS...URBAN AND HIGHWAY FLOODING WILL OCCUR WITH THE PASSAGE OF THESE STORMS. MOTORISTS SHOULD BE WARY OF PONDING OF WATER IN LOW-LYING AND FLOOD PRONE AREAS ESPECIALLY WHILE TRAVELING THROUGH UNDERPASSES. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED OVER NORTHERN WESTCHESTER COUNTY. PATCHY LIGHT RAIN WAS OCCURRING! OVER UPSTATE NEW YORK...SOUTHWEST CONNECTICUT AND OVER THE EASTERN THIRD OF PENNSYLVANIA. THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. GIGI
Special weather statement, Jun 9, 10:45 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 1035 PM EDT FRI JUN 9 1989 ...PLEASE DO NOT USE AFTER 12 MIDNIGHT EDT... A THUNDERSTORM WITH VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WAS OVER MERCER COUNTY IN CENTRAL NEW JERSEY. THIS STORM SHOULD PASS THROUGH MIDDLESEX AND MONMOUTH COUNTIES DURING THE NEXT HOUR. MEANWHILE...A THUNDERSTORM COMPLEX PRODUCING VERY HEAVY RAIN WAS LOCATED FROM EXTREME SOUTHWEST FAIRFIELD COUNTY AND WESTCHESTER COUNTY SOUTH ACROSS NEW YORK CITY...NASSAU COUNTY AND HUDSON COUNTY NEW JERSEY. THIS COMPLEX WILL MOVE THROUGH THE WESTERN TWO THIRDS OF SUFFOLK COUNTY AS WELL AS MOST OF FAIRFIELD COUNTY CONNECTICUT BY MIDNIGHT. TORRENTIAL DOWNPOURS...URBAN AND HIGHWAY FLOODING WILL OCCUR WITH THE PASSAGE OF THESE STORMS. MOTORISTS SHOULD BE WARY OF PONDING OF WATER IN LOW-LYING AND FLOOD PRONE AREAS. OTHER LIGHT RAIN AND SHOWERS WERE OCCURRING OVER NORTHEAS>T PENNSYLVANIA...WESTERN CONNECTICUT AND NORTHWARD ALONG THE HUDSON RIVER VALLEY FROM PUTNAM COUNTY TO ALBANY. THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. GIGI
Special weather statement, Jun 9, 11:42 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 1135 PM EDT FRI JUN 9 1989 ...PLEASE DO NOT USE AFTER 1 AM EDT... A PAIR OF THUNDERSTORMS CONTAINING HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WERE IN PROGRESS OVER CRANBURY AND PERTH AMBOY BOTH IN MIDDLESEX COUNTY. THESE STORMS SHOULD PASS THROUGH NORTHERN SECTIONS OF MONMOUTH COUNTY AS WELL AS THE BOROUGHS OF STATEN ISLAND...QUEENS AND BROOKLYN DURING THE NEXT HOUR. A THUNDERSTORM COMPLEX CONTAINING VERY HEAVY RAIN WAS LOCATED OVER THE WESTERN HALF OF SUFFOLK COUNTY...MOST OF NASSAU COUNTY AND THE WESTERN HALF OF LONG ISLAND SOUND. THIS COMPLEX SHOULD PASS ALONG COASTAL NEW HAVEN COUNTY AS WELL AS MOST OF THE REMAINDER OF SUFFOLK COUNTY BY 1 AM. OTHER THUNDERSTORMS WERE IN PROGRESS IN NORTHEAST ESSEX COUNTY AND ALONG THE DELAWARE RIVER BORDERING WARREN COUNTY. OTHER LIGHT RAIN AND SHOWERS WERE OCCURRING OVER THE CATSKILLS... THE SUSQUEHANNA REGION OF UPSTATE NEW YORK...THE WESTERN HALF OF CONNECTICUT AND EXTREME WESTERN MASSACHUSETTS. ALL PERSONS SHOULD BE CAUTIOUS WHEN DRIVING IN FLOOD-PRONE AREAS. PLEASE BE WARY OF PONDING OF WATER ALONG ROADWAYS AND ESPECIALLY WHEN TRAVEL]ING THROUGH UNDERPASSES. THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. GIGI
Nearby
Flash Flood Warnings in New York, 1989Every flash flood 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.