Alert archive / New Jersey / Flash Flood Warnings in 1989
Flash Flood Warning 8, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 9, 1989, 11:40 PM EDT for Somerset County, New Jersey. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1989, 11:40 PM EDT (03:40 UTC)
- Expired
- Jun 10, 1989, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Somerset County, NJ
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, 3.7 hours before the alert went out and 124 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
- 562 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEWR 100344 FFWEWR NJC035-100600- BULLETIN-IMMEDIATE BROADCAST REQUESTED SMALL STREAM AND URBAN FLOOD WARNING NATIONAL WEATHER SERVICE NEWARK NJ 1140 PM EDT FRI JUN 9 1989 THE NATIONAL WEATHER SERVICE HAS ISSUED A SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NEW JERSEY...CAMDEN MODERATE TO HEAVY RAIN HAS FALLEN OVER PARTS OF CAMDEN COUNTY THROUGHOUT THE EVENING. RADAR SHOWS THE HEAVIEST RAIN HAS LET UP AT THIS TIME...ALTHOUGH MORE SHOWERS MAY STILL DEVELOP OVER THE NEXT TWO HOURS. PERSONS LIVING IN FLOOD-PRONE AREAS SHOULD BE ON THE LOOKOUT FOR RISING WATER AND MOVE TO HIGHER GROUND IMMEDIATELY...AND MOTORISTS SHOULD NOT ATTEMPT TO DRIVE ACROSS FLOODED ROADS. MOORE
What 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 40 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, 1 hour 52 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, 55 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
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 10:30 PM EDT | Flash Flood Warning | OKX | Monmouth | 90 min |
Nearby
Flash Flood Warnings in New Jersey, 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.