Alert archive / New Jersey / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 47, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 16, 1989, 11:20 AM EST for Burlington County, New Jersey. It was in force for 55 min. 2 reports 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
- Nov 16, 1989, 11:20 AM EST (16:20 UTC)
- Expired
- Nov 16, 1989, 12:15 PM EST
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Burlington County, NJ
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 16, 11:20 AM EST | Thunderstorm Wind 0 | Burlington, NJ | |
| Nov 16, 11:30 AM EST | Thunderstorm Wind 0 | Burlington, NJ |
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
Atlantic City In, NJ (KACY), launched 12:00Z, 4.3 hours before the alert went out and 50 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
- 195 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 380 m²/s²
- 0-3 km storm-relative helicity
- 388 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPHL 161623
SVRPHL
NJC005-161715-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
1120 AM EST THU NOV 16 1989
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH NEW JERSEY
...BURLINGTON
AT 1120 AM SEVERE THUNDERSTORMS WERE MOVING THROUGH SOUTHEASTERN
PENNSYLVANIA AND SOUTHERN NEW JERSEY. WINDS IN EXCESS OF 60 MILES
AN HOUR HAVE BEEN REPORTED ACROSS THESE AREAS...ALONG WITH POSSIBLE
TORNADOES.
A TORNADO WATCH CONTINUES FOR SOUTHEASTERN
PENNSYLVANIA AND SOUTHERN NEW JERSEY UNTIL 300 PM EDT. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCED WARNING.
WITH LEAVES ON THE ROADWAYS AND STORM SEWERS CLOGGED
HEAVY RAINS WITH THIS THUNDERSTORM MAY CAUSE FLOODING OF
STREETS AND UNDERPASSES VERY QUICKLY. DdO NOT DRIVE YOUR CAR INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE DEEPER
THAN YOU THINK. IF CAUGHT IN RISING WATERS...ABANDON YOUR CAR
QUICKLY. MOVE TO HIGHER GROUND.
JWHWhat 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, Nov 16, 9:26 AM EST, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT CORRECTION NATIONAL WEATHER SERVICE WILMINGTON DE 920 AM EST THU NOV 16 1989 ...SEVERE THUNDERSTORM WATCH FOR ALL OF DELAWARE UNTIL 1PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF DELAWARE UNTIL 1PM THIS AFTERNOON. WEATHER RADAR SHOWS A LINE OF SHOWERS AND STRONG THUNDERSTORMS EXTENDING FROM 40 MILES WEST OF WILMINGTON SOUTHWARD TOWARD BALTIMORE INTO SOUTHERN MARYLAND AND INTO NORTHEAST VIRGINIA. THESE ARE MOVING NORTHEASTWARD AT 40 MPH AND WILL BE REACHING NORTHERN DELAWARE NEAR 11AM THIS MORNING...AND CENTRAL AND SOUTHERN DELAWARE BETWEEN 1130 AND 12 NOON. THESE THUNDERSTORMS ARE ASSOCIATED WITH A STRONG COLD FRONT THAT WILL BE PASSING THROUGH THE AREA LATE THIS MORNING AND EARLY THIS AFTERNOON. SOME STRONG GUSTY WINDS TO 45 MPH HAVE BEEN REPORTED WITH THE FRONTAL PASSAGE AND STRONGER WINDS ARE POSSIBLE WITH THE THUNDERSTORMS AS THEY MOVE THROUGH THE AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE ALERT FOR THREATENING WEATHER AND KNOW WHERE THE SAFEST PLACE IS YOUR WORK PLACE OR HOME... SHOULD YOU NEED TO SEEK IMMEDIATE SHELTER. ANOTHER STATEMENT WILL BE ISSUED AROUND 10 PM...SO STAY TUNED TO NOAA WEATHER RADAR AND LOCAL NEWS ME(DIA FOR THE LATEST DEVELOPMENTS. CS
Special weather statement, Nov 16, 9:43 AM EST, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 945 AM EST THU NOV 16 1989 ...DO NOT USE AFTER 11 AM... ...A TORNADO WATCH IS IN EFFECT FOR SOUTHERN NEW JERSEY UNTIL 3 PM TODAY... AT 930 THIS MORNING AN ISOLATED THUNDERSTORM THUNDERSTORM WAS OVER THE COASTAL SECTIONS OF MONMOUTHG COUNTY NEW JERSEY. OTHER SHOWERS AND THUNDERSTORMS WERE OVER CENTRAL MARYLAND EXTENDING NORTHWARD INTO PENNSYLVANIA JUST EAST OF HARRISBURG TO THE VICINITY OF SCRANTON. ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WERE OVER LONG ISLAND EXTENDING SOUTH OVER THE OCEAN. ALL THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT AROUND 50 MILES AN HOUR. VMN
Special weather statement, Nov 16, 10:12 AM EST, 1 hour 8 minutes before
ABPA- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 1000 AM EST THU NOV 16 1989 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR EASTERN PENNSYLVANIA... ...A TORNADO WATCH IS IN EFFECT FOR ALL OF NEW JERSEY UNTIL 3PM... AT 10AM THIS MORNING RADAR INDICATED A LINE OF HEAVY THUNDERSTORMS EXTENDING FROM HAZELTON SOUTH TO READING. MOVEMNT OF THE LINE WAS EAST AT 35 MPH. THESE THUDERSTORMS CONTAIN HEAVY RAIN AND VERY GUSTY WINDS AND SHOULD MOVE THROUGH THE LEHIGH VALLEY BETWEEN 11AM AND NOON. ALTHOUGH THE THUNDERSTORMS DO NOT CONTAIN SEVERE HAIL OR LIGHTNING THE GUSTY WINDS IN AND AROUND THE STORMS COULD REACH NEAR 55 MPH AS THEY PASS EASTWARD THROUGH THE AREA. RESIDENTS ARE URGED TO SECURE LOSE OBJECTS IN AND AROUND THEIR PROPERTY AS THESE WINDS COULD BE DAMAGING. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL RADIO AND TV FOR ANY POSSBILE CHANGES IN THIS WEATHER SITUATION. $$LOEPER
Special weather statement, Nov 16, 10:15 AM EST, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 1000 AM EST THU NOV 16 1989 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHERN NEW JERSEY UNTIL 3 PM TODAY... ...THUNDERSTORMS WITH STRONG WINDS AND HEAVY DOWNPOURS TO MOVE ACROSS SOUTHERN NEW JERSEY LATE MORNING/EARLY AFTERNOON... A LINE OF SEVERE THUNDERSTORMS AT 1000 WAS LOCATED OVER EASTERN PENNSYLVANIA MOVING EAST AT 25 TO 30 MPH. THERE HAVE BEEN REPORTS OF GUST UP TO 75 MPH HEAVY RAIN ALL ALONG THIS LINE. YOU SHOULD EXPECT VERY STRONG WINDS...POSSIBLY IN EXCESS OF 70 MILES AN HOUR ...BRIEF HEAVY RAIN AND HAIL WITH THE PASSAGE OF THIS LINE. ALL OF SOUTHERN NEW JERSEY IS IN A TORNADO WATCH AND PEOPLE SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. B
Special weather statement, Nov 16, 10:35 AM EST, 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 1035 AM EST THU NOV 16 1989 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHERN NEW JERSEY UNTIL 3 PM TODAY... ...THUNDERSTORMS WITH STRONG WINDS AND HEAVY DOWNPOURS TO MOVE ACROSS SOUTHERN NEW JERSEY LATE MORNING/EARLY AFTERNOON... RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM THE VICINITY OF SCRANTON PENNSYULVANIA DUE SOUTH TO JUST WEST OF WILMINGTON DELAWARE AND ON TO THE SOUTHERN PORTION OF THE CHESAPEAKE BAY. THIS LINE WAS MOVING TO THE EAST AT NEARLY 40 MILES AN HOUR. OTHER SHOWERS AND POSSIBLE THUNDERSTORMS EXTENDED SOUTH FROM WESTERN CONNECTICUTACROSS CENTRAL LONG ISLAND AND OUT OF THE OCEAN. THIS PRECIPITATION WAS MOVING TO THE NORTHEAST AT ABOUT 50 MILES AN HOUR. VMN
Special weather statement, Nov 16, 10:35 AM EST, 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 1030 AM EST THU NOV 16 1989 ...TORNADO WATCH FOR NORTHERN HALF OF DELAWARE UNTIL 3PM AND A SEVERE THUNDERSTORM WATCH FOR SOUTHERN HALF OF DELAWARE UNTIL 1PM... ...SEVERE THUNDERSTORM WARNING FOR NEW CASTLE COUNTY UNTIL 1130AM.. ...SEVERE THUNDERSTORM WARNING FOR KENT AND SUSSEX COUNTIES TO 1130... A STRONG COLD FRONT IS APPROACHING THE STATE AT THIS HOUR. THUNDER- STORMS ASSOCIATED WITH THIS COLD FRONT ARE PRODUCING STRONG GUSTY WINDS AND HEAVY RAINS. STRONG WIND REPORTS HAVE BEEN AS FOLLOWS... ...READING PENNSYLVANIA............GUSTS TO 56 MPH ...MARTIN STATE AIRPORT MARYLAND...GUSTS TO 56 MPH ...BALTIMORE AIRPORT...............GUSTS TO 65 MPH ...DOVER AFB DELAWARE..............GUSTS TO 48 MPH ...WILMINGTON .....................GUSTS TO 55 MPH IF THREATENING WEATHER APPROACHES...SEEK A SAFE PLACE IMMEDIATELY. HEAVY RAINS AND STRONG WINDS WILL BE MOVING THROUGH THE AREA DURING THE NEXT HOUR. CS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 10:44 AM EST | Severe Thunderstorm Warning | PHI | Salem | 61 min |
| Nov 16, 10:54 AM EST | Severe Thunderstorm Warning | PHI | Gloucester | 66 min |
| Nov 16, 11:05 AM EST | Severe Thunderstorm Warning | PHI | Camden | 55 min |
| Nov 16, 11:40 AM EST | Severe Thunderstorm Warning | PHI | Mercer | 35 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 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.