Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 118, NWS Philadelphia/Mount Holly

November 1, 19944 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 1, 1994, 4:40 PM EST for 4 counties in New Jersey. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Nov 1, 1994, 4:40 PM EST (21:40 UTC)
Expired
Nov 1, 1994, 5:45 PM EST
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Ocean County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.7 hours before the alert went out and 196 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, Wallops Is Stn, VA at 12:00Z on 1994-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Wallops Is Stn, VA at 12:00Z on 1994-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
12 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KPHL 012144 RRA
SVRPHL
NJC019-023-025-035-041-001-005-009-029-021-012245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION TO CHANGE CHESTER TO CAMDEN
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
440 PM EST TUE NOV 1 1994
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NEW JERSEY
 
   ...HUNTERDON COUNTY...MIDDLESEX COUNTY...MONMOUTH COUNTY
   ...SOMERSET COUNTY
 
IN NORTHWEST NEW JERSEY
 
   ...WARREN COUNTY
 
IN SOUTH NEW JERSEY
 
   ...ATLANTIC COUNTY...BURLINGTON COUNTY...CAPE MAY COUNTY
   ...OCEAN COUNTY
 
FOR MARINE INTERESTS ALONG THE ATLANTIC COAST
 
IN WEST CENTRAL NEW JERSEY
 
   ...MERCER COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR WAS FOLLOWING A SQUALL LINE OF
SHOWERS AND THUNDERSTORMS EXTENDING FROM EASTERN NORTHAMPTON COUNTY
PENNSYLVANIA SOUTH THROUGH EXTREME EASTERN BUCKS COUNTY AND EASTERN
CAMDEN COUNTY NEW JERSEY.
 
WIND GUSTS TO 61 MPH HAVE JUST BEEN RECEIVED IN MOORESTOWN NEW JERSEY
(BURLINGTON COUNTY) AND HAVE GUSTED TO AROUND 55 MPH IN THE ALLENTOWN
AREA DURING THE PAST HOUR.
 
IF YOU SEE THREATENING WEATHER...HEAD INDOORS IMMEDIATELY.  AVOID MOBILE
HOMES...THE SECOND AND HIGH PROFILE AREAS OF YOUR HOME UNTIL THIS SQUALL
LINE MOVES THROUGH.
 
&

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 1, 2:15 PM EST, 2 hours 25 minutes before
PAZ058>062-066>071-NJZ016>026-501-DEZ001>004-501-
MDZ008-012-015-019-020-012100-

SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH 874
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ
215 PM EST TUE NOV 1 1994

...SEVERE THUNDERSTORM WATCH NUMBER 874 REPLACES NUMBER 873...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST PENNSYLVANIA
AND CENTRAL AND SOUTHERN NEW JERSEY...EASTERN MARYLAND AND DELAWARE
UNTIL 800 PM...

THIS NEW SEVERE THUNDERSTORM WATCH INCLUDES THE PREVIOUS COUNTIES
FROM SEVERE THUNDERSTORM WATCH 873 BUT ALSO INCLUDES PORTIONS OF
CENTRAL NEW JERSEY AND SOUTHEAST PENNSYLVANIA...

IN NEW JERSEY THE WATCH INCLUDES THE COUNTIES OF BURLINGTON...OCEAN...
CAMDEN...GLOUCESTER...SALEM...ATLANTIC...CUMBERLAND AND CAPE MAY...
HUNTERDON...SOMERSET...MIDDLESEX...MONMOUTH AND MERCER COUNTIES.

IN PENNSYLVANIA THE WATCH INCLUDES THE COUNTIES OF SCHUYLKILL...BERKS...
LEHIGH...NORTHAMPTON...LEBANON...LANCASTER...YORK...BUCKS...MONTGOMERY...
CHESTER...DELAWARE AND PHILADELPHIA COUNTIES.

IN DELAWARE THE WATCH INCLUDES THE COUNTIES OF NEW CASTLE...KENT AND
SUSSEX.

IN NORTHEASTERN MARYLAND THE WATCH AREA INCLUDES THE COUNTIES OF CECIL
...KENT...QUEEN ANNE/S...TALBOT AND CAROLINE.

A SEVERE THUNDERSTORM WATCH MEANS THAT THE POTENTIAL EXISTS FOR WIND
GUSTS OF AROUND 60 MPH OR GREATER AND/OR HAIL WITH A DIAMETER GREATER
THAN THAT OF A DIME. THE THUNDERSTORMS MAY ALSO CONTAIN HEAVY RAIN AND
FREQUENT LIGHTNING.

IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.

AT 215 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF HEAVY
RAIN SHOWERS AND THUNDERSTORMS IN OCEAN AND MONMOUTH COUNTIES.
THE LINE WAS MOVING NORTHEAST AT 30 MPH AND SHOULD MOVE OFFSHORE BY 300 PM.

ANOTHER LINE OF THUNDERSTORMS...ASSOCIATED WITH A COLD FRONT...EXTENDED
FROM JUST EAST OF HARRISBURG PA SOUTHWARD TO BALTIMORE MD.  THESE
THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 30 MPH AND COULD CONTAIN
DAMAGING WIND GUSTS AND HAIL.  THESE THUNDERSTORMS SHOULD REACH SOUTHEAST
PENNSYLVANIA AND THE UPPER AND CENTRAL DELMARVA BETWEEN 245 PM AND 400 PM.
THEY WILL THEN SPREAD INTO SOUTHERN NEW JERSEY BETWEEN 330 AND 430 PM.

STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR FURTHER INFORMATION CONCERNING THE SEVERE
THUNDERSTORM WATCH.

RNS
Special weather statement, Nov 1, 2:17 PM EST, 2 hours 23 minutes before
PAZ058>062-066>071-NJZ016>026-501-DEZ001>004-501-
MDZ008-012-015-019-020-012100-

SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH 874
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ
215 PM EST TUE NOV 1 1994

...SEVERE THUNDERSTORM WATCH NUMBER 874 REPLACES NUMBER 873...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST PENNSYLVANIA
AND CENTRAL AND SOUTHERN NEW JERSEY...EASTERN MARYLAND AND DELAWARE
UNTIL 800 PM...

THIS NEW SEVERE THUNDERSTORM WATCH INCLUDES THE PREVIOUS COUNTIES
FROM SEVERE THUNDERSTORM WATCH 873 BUT ALSO INCLUDES PORTIONS OF
CENTRAL NEW JERSEY AND SOUTHEAST PENNSYLVANIA...

IN NEW JERSEY THE WATCH INCLUDES THE COUNTIES OF BURLINGTON...OCEAN...
CAMDEN...GLOUCESTER...SALEM...ATLANTIC...CUMBERLAND AND CAPE MAY...
HUNTERDON...SOMERSET...MIDDLESEX...MONMOUTH AND MERCER COUNTIES.

IN PENNSYLVANIA THE WATCH INCLUDES THE COUNTIES OF SCHUYLKILL...BERKS...
LEHIGH...NORTHAMPTON...LEBANON...LANCASTER...YORK...BUCKS...MONTGOMERY...
CHESTER...DELAWARE AND PHILADELPHIA COUNTIES.

IN DELAWARE THE WATCH INCLUDES THE COUNTIES OF NEW CASTLE...KENT AND
SUSSEX.

IN NORTHEASTERN MARYLAND THE WATCH AREA INCLUDES THE COUNTIES OF CECIL
...KENT...QUEEN ANNE/S...TALBOT AND CAROLINE.

A SEVERE THUNDERSTORM WATCH MEANS THAT THE POTENTIAL EXISTS FOR WIND
GUSTS OF AROUND 60 MPH OR GREATER AND/OR HAIL WITH A DIAMETER GREATER
THAN THAT OF A DIME. THE THUNDERSTORMS MAY ALSO CONTAIN HEAVY RAIN AND
FREQUENT LIGHTNING.

IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.

AT 215 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF HEAVY
RAIN SHOWERS AND THUNDERSTORMS IN OCEAN AND MONMOUTH COUNTIES.
THE LINE WAS MOVING NORTHEAST AT 30 MPH AND SHOULD MOVE OFFSHORE BY 300 PM.

ANOTHER LINE OF THUNDERSTORMS...ASSOCIATED WITH A COLD FRONT...EXTENDED
FROM JUST EAST OF HARRISBURG PA SOUTHWARD TO BALTIMORE MD.  THESE
THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 30 MPH AND COULD CONTAIN
DAMAGING WIND GUSTS AND HAIL.  THESE THUNDERSTORMS SHOULD REACH SOUTHEAST
PENNSYLVANIA AND THE UPPER AND CENTRAL DELMARVA BETWEEN 245 PM AND 400 PM.
THEY WILL THEN SPREAD INTO SOUTHERN NEW JERSEY BETWEEN 330 AND 430 PM.

STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR FURTHER INFORMATION CONCERNING THE SEVERE
THUNDERSTORM WATCH.

RNS
Special weather statement, Nov 1, 2:19 PM EST, 2 hours 21 minutes before
PAZ058>062-066>071-NJZ012>026-010-009-DEZ001>004-501-
MDZ008-012-015-019-020-012100-

SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH 874
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ
215 PM EST TUE NOV 1 1994

...SEVERE THUNDERSTORM WATCH NUMBER 874 REPLACES NUMBER 873...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST PENNSYLVANIA
AND CENTRAL AND SOUTHERN NEW JERSEY...EASTERN MARYLAND AND DELAWARE
UNTIL 800 PM...

THIS NEW SEVERE THUNDERSTORM WATCH INCLUDES THE PREVIOUS COUNTIES
FROM SEVERE THUNDERSTORM WATCH 873 BUT ALSO INCLUDES PORTIONS OF
CENTRAL NEW JERSEY AND SOUTHEAST PENNSYLVANIA...

IN NEW JERSEY THE WATCH INCLUDES THE COUNTIES OF BURLINGTON...OCEAN...
CAMDEN...GLOUCESTER...SALEM...ATLANTIC...CUMBERLAND AND CAPE MAY...
HUNTERDON...SOMERSET...MIDDLESEX...MONMOUTH AND MERCER COUNTIES.

IN PENNSYLVANIA THE WATCH INCLUDES THE COUNTIES OF SCHUYLKILL...BERKS...
LEHIGH...NORTHAMPTON...LEBANON...LANCASTER...YORK...BUCKS...MONTGOMERY...
CHESTER...DELAWARE AND PHILADELPHIA COUNTIES.

IN DELAWARE THE WATCH INCLUDES THE COUNTIES OF NEW CASTLE...KENT AND
SUSSEX.

IN NORTHEASTERN MARYLAND THE WATCH AREA INCLUDES THE COUNTIES OF CECIL
...KENT...QUEEN ANNE/S...TALBOT AND CAROLINE.

A SEVERE THUNDERSTORM WATCH MEANS THAT THE POTENTIAL EXISTS FOR WIND
GUSTS OF AROUND 60 MPH OR GREATER AND/OR HAIL WITH A DIAMETER GREATER
THAN THAT OF A DIME. THE THUNDERSTORMS MAY ALSO CONTAIN HEAVY RAIN AND
FREQUENT LIGHTNING.

IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.

AT 215 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF HEAVY
RAIN SHOWERS AND THUNDERSTORMS IN OCEAN AND MONMOUTH COUNTIES.
THE LINE WAS MOVING NORTHEAST AT 30 MPH AND SHOULD MOVE OFFSHORE BY 300 PM.

ANOTHER LINE OF THUNDERSTORMS...ASSOCIATED WITH A COLD FRONT...EXTENDED
FROM JUST EAST OF HARRISBURG PA SOUTHWARD TO BALTIMORE MD.  THESE
THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 30 MPH AND COULD CONTAIN
DAMAGING WIND GUSTS AND HAIL.  THESE THUNDERSTORMS SHOULD REACH SOUTHEAST
PENNSYLVANIA AND THE UPPER AND CENTRAL DELMARVA BETWEEN 245 PM AND 400 PM.
THEY WILL THEN SPREAD INTO SOUTHERN NEW JERSEY BETWEEN 330 AND 430 PM.

STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR FURTHER INFORMATION CONCERNING THE SEVERE
THUNDERSTORM WATCH.

RNS
Special weather statement, Nov 1, 2:59 PM EST, 1 hour 41 minutes before
PAZ067>071-MDZ008-012-DEZ001-NJZ015>019-012200-0

SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH 874
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ
300 PM EST TUE NOV 1 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST PENNSYLVANIA
AND CENTRAL AND SOUTHERN NEW JERSEY...EASTERN MARYLAND AND DELAWARE
UNTIL 800 PM...

IN NEW JERSEY THE WATCH INCLUDES THE COUNTIES OF BURLINGTON...OCEAN...
CAMDEN...GLOUCESTER...SALEM...ATLANTIC...CUMBERLAND AND CAPE MAY...
HUNTERDON...SOMERSET...MIDDLESEX...MONMOUTH AND MERCER COUNTIES.

IN PENNSYLVANIA THE WATCH INCLUDES THE COUNTIES OF SCHUYLKILL...BERKS...
LEHIGH...NORTHAMPTON...LEBANON...LANCASTER...YORK...BUCKS...MONTGOMERY...
CHESTER...DELAWARE AND PHILADELPHIA COUNTIES.

IN DELAWARE THE WATCH INCLUDES THE COUNTIES OF NEW CASTLE...KENT AND
SUSSEX.

IN NORTHEASTERN MARYLAND THE WATCH AREA INCLUDES THE COUNTIES OF CECIL
...KENT...QUEEN ANNE/S...TALBOT AND CAROLINE.

A SEVERE THUNDERSTORM WATCH MEANS THAT THE POTENTIAL EXISTS FOR WIND
GUSTS OF AROUND 60 MPH OR GREATER AND/OR HAIL WITH A DIAMETER GREATER
THAN THAT OF A DIME. THE THUNDERSTORMS MAY ALSO CONTAIN HEAVY RAIN AND
FREQUENT LIGHTNING.

IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.

AT 255 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDING FROM SCHUYLKILL AND LANCASTER COUNTIES IN
PENNSYLVANIA SOUTH TO HARFORD COUNTY MARYLAND.  THESE THUNDERSTORMS
HAVE HAD REPORTS OF DAMAGING WINDS AND HAIL ASSOCIATED WITH THEM.

THE THUNDERSTORMS WILL MOVE NORTHEAST AT 30 MPH.  THE THUNDERSTORMS
COULD CONTAIN STRONG GUSTY WINDS AND HAIL AS THEY MNOVE THROUGH
CECIL COUNTY MARYLAND...NEW CASTLE COUNTY DELAWARE AND INTO CHESTER...
MONTGOMERY...BUCKS...DELAWARE AND PHILADELPHIA COUNTIES IN
PENNSYLVANIA UNTIL 500 PM.

STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR FURTHER INFORMATION CONCERNING THE SEVERE
THUNDERSTORM WATCH.

RNS
Special weather statement, Nov 1, 4:06 PM EST, 34 minutes before
PAZ054-055-060>062-067>071-NJZ001-007>010-012>026-DEZ001>004-
MDZ008-012-015-019-020-012305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
406 PM EST TUE NOV 1 1994

AT 400 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORMS
EXTENDING FROM LEHIGH...MONTGOMERY...AND DELAWARE COUNTIES IN
PENNSYLVANIA SOUTH THROUGH THE STATE OF DELAWARE. THE THUNDERSTORMS
WERE MOVING EAST AT 30 MPH AND WILL MOVE RAPIDLY INTO THE REST OF
EASTERN PENNSYLVANIA AND NEW JERSEY. THESE THUNDERSTORMS COULD CONTAIN
STRONG GUSTY WINDS AND HAIL.

THUNDERSTORMS SHOULD MOVE OFFSHORE BY 700 PM.

TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

A SEVERE THUNDERSTORM WATCH REMAIN IN EFFECT UNTIL 800 PM EST FOR
SOUTHEAST PENNSYLVANIA...AND CENTRAL AND SOUTHERN NEW JERSEY AND
DELAWARE. HOWEVER...AFTER THE THUNDERSTORMS MOVE EAST THE THREAT SEVERE
WEATHER WILL LESSEN.

IF THUNDERSTORMS APPROACH...SEEK SHELTER IMMEDIATELY.

RNS
Special weather statement, Nov 1, 4:27 PM EST, 13 minutes before
PAZ054-055-060>062-067>071-NJZ001-007>010-012>026-DEZ001>004-012325-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
427 PM EST TUE NOV 1 1994

A COLD FRONT MOVING ACROSS SOUTHEAST PENNSYLVANIA AND DELAWARE
WILL MOVE INTO SOUTHERN NEW JERSEY AND CAUSE STRONG GUSTY WINDS
THIS EVENING. SUSTAINED WINDS OF 30 TO 40 MPH WILL ACCOMPANY THE COLD
FRONT WITH POSSIBLE GUSTS IN EXCESS OF 50 MPH. SCATTERED THUNDERSTORMS
ARE ALSO POSSIBLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST
PENNSYLANIA...SOUTHERN NEW JERSEY AND DELAWARE UNTIL 800 PM.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.

RNS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 1, 4:40 PM ESTSevere Thunderstorm WarningPHIHunterdon, Warren65 min
Nov 1, 4:40 PM ESTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Somerset65 min
Nov 1, 5:05 PM ESTSevere Thunderstorm WarningPHIMorris, Sussex55 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1994Every severe thunderstorm warning in 1994

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.