Alert archive / New Jersey / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 1993, 2:43 PM EDT for Burlington County, New Jersey. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1993, 2:43 PM EDT (18:43 UTC)
- Expired
- Jul 14, 1993, 3:45 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Burlington County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 6.7 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KPHL 141844 RRA SVRPHL NJC005-141945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA PA 243 PM EDT WED JUL 14 1993 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH NEW JERSEY ...WESTERN BURLINGTON COUNTY AT 240 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM MOVING OUT OF CAMDEN COUNTY INTO WESTERN BURLINGTON COUNTY. THIS STORM EARLIER PRODUCED LARGE HAIL IN GLOUCESTER COUNTY. IT IS MOVING TOWARD THE NORTHEAST AT 15 TO 20 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE WARNED AREA...PREPARE FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE SHELTER INDOORS...BUT DO NOT STAND NEAR WINDOWS. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED. KRAUS
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, 1:50 PM EDT, 53 minutes before
NJZ003-004-006-NJZ501-DEZ501-071900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 126 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NEW JERSEY INCLUDING THE COASTAL WATERS UNTIL 9 PM EDT... AT 126 PM...WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY SHOWERS OVER SOUTHEAST PENNSYLVANIA...WEST CENTRAL AND SOUTHWEST NEW JERSEY...NORTHEAST MARYLAND AND NORTHERN DELAWARE. THE HEAVIEST STORM WAS 10 MILES EAST OF LANCASTER PENNSYLVANIA AND HAS A HISTORY OF WINDS IN EXCESS OF 50 MILES AN HOUR. THE STORMS WERE MOVING EAST AT 15 MILES AN HOUR. VAM
Special weather statement, Jul 14, 2:08 PM EDT, 35 minutes before
PAZ012-NJZ002-142000- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PHILADELPHIA PA 1245 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH FOR THE DELAWARE VALLEY UNTIL 9 PM... ...THUNDERSTORMS WITH HEAVY RAIN OVER MERCER AND SALEM COUNTIES IN SOUTHERN NEW JERSEY AND CHESTER AND MONTGOMERY COUNTIES IN PA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE DELAWARE VALLEY UNTIL 9 PM BY THE NATIONAL SEVERE STORMS CENTER. A WATCH MEANS THAT THERE IS A POTENTIAL OF THUNDERSTORMS PRODUCING WINDS GUSTS OF 58 MPH OR HIGHER AND HAIL 3/4 INCHES OR LARGER IN DIAMETER. CURRENTLY THUNDERSTORMS ARE IN THE AREA...BUT NONE HAVE REACHED SEVERE CRITERIA. AT 2 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN AND FREQUENT LIGHTNING OVER MERCER AND SALEM COUNTY IN SOUTHERN NEW JERSEY AND OVER WESTERN CHESTER AND CENTRAL MONTGOMERY COUNTIES IN PENNSYLVANIA. FREQUENT LIGHTNING AND VERY HEAVY RAINS HAVE BEEN REPORTED WITH THESE STORMS. RAINFALL OF UP TO TWO INCHES HAVE BEEN REPORTED WITH THESE STORMS. STAY TUNED TO NOAA WEATHER RADIO...OR TO YOUR LOCAL RADIO AND TELEVISION STATIONS...FOR ADDITIONAL DETAILS CONCERNING THE HEAVY RAINFALL SITUATION. GCH
Special weather statement, Jul 14, 2:15 PM EDT, 28 minutes before
PAZ011-016- 142000 - SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 215 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EAST CENTRAL PENNSYLVANIA AND THE POCONOS UNTIL 9PM THIS EVENING... AT 215PM RADAR INDICATED AN AREA OF HEAVY THUNDERSTORMS EXTENDING FRON JUST NORTHEAST OF TRENTON, NJ WEST ACROSS BUCKS COUNTY AND SOUTHERN BERKS COUNTY NEAR READING AND THEN SOUTH SOUTHWEST THROUGH LANCASTER COUNTY AND INTO NORTHEASTERN MARYLAND. THE HEAVIEST OF THESE THUNDERSTORMS WERE FROM JUST EAST OF READING SOUTH SOUTHWEST INTO LANCASTER COUNTY. MOVEMENT WAS TOWARD THE EAST AT AROUND 15 MPH. THESE STORMS COMTAIN HEAVY DOWNPOURS AND DUE TO THEIR SLOW MOVEMENT...LOCALIZED FLOODING OF STREETS AND SMALL STREAMS MAY RESULT. AS WITH ALL THUNDERSTORMS...DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLE HAIL MAY ACCOMPANY THEIR PASSAGE. LOEPER
Special weather statement, Jul 14, 2:18 PM EDT, 25 minutes before
PAZ011-016- 142000 - SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 215 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EAST CENTRAL PENNSYLVANIA AND THE POCONOS UNTIL 9PM THIS EVENING... AT 215PM RADAR INDICATED AN AREA OF HEAVY THUNDERSTORMS EXTENDING FRON JUST NORTHEAST OF TRENTON, NJ WEST ACROSS BUCKS COUNTY AND SOUTHERN BERKS COUNTY NEAR READING AND THEN SOUTH SOUTHWEST THROUGH LANCASTER COUNTY AND INTO NORTHEASTERN MARYLAND. THE HEAVIEST OF THESE THUNDERSTORMS WERE FROM JUST EAST OF READING SOUTH SOUTHWEST INTO LANCASTER COUNTY. MOVEMENT WAS TOWARD THE EAST AT AROUND 15 MPH. THESE STORMS COMTAIN HEAVY DOWNPOURS AND DUE TO THEIR SLOW MOVEMENT...LOCA2LIZED FLOODING OF STREETS AND SMALL STREAMS MAY RESULT. AS WITH ALL THUNDERSTORMS...DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLE HAIL MAY ACCOMPANY THEIR PASSAGE. LOEPER
Special weather statement, Jul 14, 2:35 PM EDT, 8 minutes before
NJZ003-004-006-NJZ501-DEZ501-071900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 235 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NEW JERSEY INCLUDING THE COASTAL WATERS UNTIL 9 PM EDT... AT 235 PM...WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHEAST PENNSYLVANIA...MOST OF CENTRAL NEW JERSEY AND THE WESTERN PORTIONS OF SOUTHERN NEW JERSEY. THE HEAVIEST THUNDERSTORM WAS ON THE BORDER OF GLOUSTER AND CAMDEN COUNTIES OF NEW JERSEY. THIS STORM HAS PRODUCED LARGE HAIL. MOVEMENT WAS TO THE EAST AT LITTLE MORE THAN 15 MILES AN HOUR. VMN
Special weather statement, Jul 14, 2:35 PM EDT, 8 minutes before
NJZ003-004-006-NJZ501-DEZ501-071900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 235 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NEW JERSEY INCLUDING THE COASTAL WATERS UNTIL 9 PM EDT... AT 235 PM...WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHEAST PENNSYLVANIA...MOST OF CENTRAL NEW JERSEY AND THE WESTERN PORTIONS OF SOUTHERN NEW JERSEY. THE HEAVIEST THUNDERSTORM WAS ON THE BORDER OF GLOUSTER AND CAMDEN COUNTIES OF NEW JERSEY. THIS STORM HAS PRODUCED LARGE HAIL. MOVEMENT WAS TO THE EAST AT LITTLE MORE THAN 15 MILES AN HOUR. VMN
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, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 60 min |
| Jul 14, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 64 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1993Every 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.