Alert archive / New Jersey / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 26, NWS Philadelphia/Mount Holly

July 14, 1993Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 1993, 3:30 PM EDT for Atlantic County, New Jersey. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jul 14, 1993, 3:30 PM EDT (19:30 UTC)
Expired: Jul 14, 1993, 4:30 PM EDT
In force: 60 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

County Atlantic County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 7.5 hours before the alert went out and 12 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: -155 J/kg
Mixed-layer LCL: 1723 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 70 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 KACY 141929 RRA
SVRACY
NJC001-142030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
330 PM EDT WED JUL 14 1993
 
THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH NEW JERSEY
 
   ...ATLANTIC COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
AT 335PM...RADAR WAS OBSERVING A SEVERE THUNDERSTORM 15 MILES
SOUTHWEST OF MAYS LANDING NEW JERSEY. THIS STORM HAS PRODUCED
WINDS STRONG ENOUGH TO KNOCK DOWN POWER LINES ANDS DIME SIZE HAIL
IN MILLVILLE.  THE STORM IS MOVING EAST AT 15 TO 20 MILES AN HOUR.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
 
 
JIK

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, Jul 14, 2:46 PM EDT, 44 minutes before

DEC001-003-005-150145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
246 PM EDT WED JUL 14 1993

...SEVERE THUNDERSTORM WATCH FOR ALL COUNTIES OF DELAWARE...
...EFFECTIVE UNTIL 9 PM EDT...

A SEVERE THUNDERSTORM WATCH HAD BEEN ISSUED FOR THE PEOPLE OF NEW CASTLESUSSEX, AND KENT COUNTIES UNTIL 9 PM EDT.

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL OF AT LEAST 3/4 OF AN
INCH IN DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF AT LEAST
58 MPH OR GREATER AND DANGEROUS CLOUD TO GROUND LIGHTNING.

REMEMBER... A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

TOWNSEND

&

WWUS35KDSM,DU

Special weather statement, Jul 14, 2:46 PM EDT, 44 minutes before

DEC001-003-005-150145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
246 PM EDT WED JUL 14 1993

...SEVERE THUNDERSTORM WATCH FOR ALL COUNTIES OF DELAWARE...
...EFFECTIVE UNTIL 9 PM EDT...

A SEVERE THUNDERSTORM WATCH HAD BEEN ISSUED FOR THE PEOPLE OF NEW CASTLESUSSEX, AND KENT COUNTIES UNTIL 9 PM EDT.

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL OF AT LEAST 3/4 OF AN
INCH IN DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF AT LEAST
58 MPH OR GREATER AND DANGEROUS CLOUD TO GROUND LIGHTNING.

REMEMBER... A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

TOWNSEND

&

WWUS35KDSM,DU

Local storm report, Jul 14, 3:20 PM EDT, 10 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE ATLANTIC CITY, NJ
319 PM EDT WED JUL 14 1993

SEVERE THUNDERSTORM REPORT FOR WEDNESDAY JULY 14 1993

TIME       COUNTY         LOCATION              EVENT

1915 ED&T   CUMBERLAND     MILLVILLE        POWER WIRES DOWN DUE TO HIGH
                                           WINDS...DIME SIZE HAIL.

KRIEGER

Local storm report, Jul 14, 3:21 PM EDT, 9 minutes before

STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE ATLANTIC CITY, NJ
321 PM EDT WED JUL 14 1993

SEVERE THUNDERSTORM REPORT FOR WEDNESDAY JULY 14 1993

TIME       COUNTY         LOCATION              EVENT

1515 EDT   CUMBERLAND     MILLVILLE        POWER WIRES DOWN DUE TO HIGH
                                           WINDS...DIME SIZE HAIL.

KRIEGER

Local storm report, Jul 14, 3:21 PM EDT, 9 minutes before

STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE ATLANTIC CITY, NJ
321 PM EDT WED JUL 14 1993

SEVERE THUNDERSTORM REPORT FOR WEDNESDAY JULY 14 1993

TIME       COUNTY         LOCATION              EVENT

1515 EDT   CUMBERLAND     MILLVILLE        POWER WIRES DOWN DUE TO HIGH
                                           WINDS...DIME SIZE HAIL.

KRIEGER

Special weather statement, Jul 14, 3:30 PM EDT, 0 minutes before

PAZ011-016-142100 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALLENTOWN PA
330 PM EDT WED JUL 14 1993

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EAST CENTRAL PENNSYLVANIA AND
THE POCONOS UNTIL 9PM THIS EVENING...

AT 330PM RADAR INDICATED THUNDERSTORMS OVER CARBON COUNTY BETWEEN THE LEHIGH
GAP AND HAZELTON. THE HEAVIEST ACTIVITY WAS OVER NORTHERN CARBON COUNTY NORTH
OF JIM THORPE. MOVEMENT WAS TOWARD THE EAST AT AROUND 25 MPH. ESLEWHRE
THUNDERSTORMS WERE NOTED OVER SOUTHEASTERN PENNSYLVANIA NEAR PHILADELPHIA
AND NEAR THE NEW YORK STATE LINE WELL NORTH OF WILLIAMSPORT. NO SEVERE
WEATHER WAS NOTED AT THIS TIME BUT ATMOSPHERIC CONDITIONS REMAIN RIPE FOR
SEVERE THUNDERSTORM DEVELOPMENT.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.

LOEPER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 2:12 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	48 min
Jul 14, 2:15 PM EDT	Severe Thunderstorm Warning	PHI	Camden	45 min
Jul 14, 2:40 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	65 min
Jul 14, 2:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	62 min
Jul 14, 6:26 PM EDT	Severe Thunderstorm Warning	PHI	Cape May	64 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1993 Every severe thunderstorm warning in 1993

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.