Alert archive / New Jersey / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 47, NWS Philadelphia/Mount Holly

November 16, 1989Burlington County, New Jersey

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

TimeReportWhereRemark
Nov 16, 11:20 AM ESTThunderstorm Wind 0Burlington, NJ
Nov 16, 11:30 AM ESTThunderstorm Wind 0Burlington, 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.

Skew-T log-pSkew-T log-p diagram, Atlantic City In, NJ at 12:00Z on 1989-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 195 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, Atlantic City In, NJ at 12:00Z on 1989-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 380 square meters per square second.1939587897Sfc1 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
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

Open this sounding in Storm Lab

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.
 
JWH

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, 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.

IssuedProductOfficeCountiesLasted
Nov 16, 10:44 AM ESTSevere Thunderstorm WarningPHISalem61 min
Nov 16, 10:54 AM ESTSevere Thunderstorm WarningPHIGloucester66 min
Nov 16, 11:05 AM ESTSevere Thunderstorm WarningPHICamden55 min
Nov 16, 11:40 AM ESTSevere Thunderstorm WarningPHIMercer35 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.