Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 1994, 5:02 PM EDT for Atlantic County, Cumberland County, New Jersey. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1994, 5:02 PM EDT (21:02 UTC)
- Expired
- Jun 19, 1994, 6:00 PM EDT
- In force
- 58 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Atlantic County, NJ, Cumberland County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 9.0 hours before the alert went out and 33 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
- 716 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 197 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 KACY 192104 RRA SVRACY NJC001-011-192200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 502 PM EDT SUN JUN 19 1994 THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH NEW JERSEY ...ATLANTIC COUNTY...CUMBERLAND COUNTY AND THE ADJACENT COASTAL WATERS AT 458 PM EDT...ATLANTIC CITY RADAR SHOWED A SEVERE THUNDERSTORM OVER GLOUCESTER AND SALEM COUNTIES IN SOUTHERN NEW JERSEY. THIS STORM WAS MOVING SOUTHEAST AT 15 MPH AND SHOULD ENTER NORTHERN CUMBERLAND AND NORTHWESTERN ATLANTIC COUNTIES BY 515 PM. 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. CRUPI/GERAPATRITIS N
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, Jun 19, 3:03 PM EDT, 1 hour 59 minutes before
PAZ067>071-NJZ015>019-192030- SPECIAL WEATHER STATEMENT - THUNDERSTORMS DEVELOPING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 300 PM EDT SUN JUN 19 1994 ...THUNDERSTORMS DEVELOPING OVER THE NORTHERN PHILADELPHIA METROPOLITAN AREA... THE COMBINATION OF THE OPPRESSIVE HEAT AND HUMIDITY AND AN APPROACHING COLD FRONT HAS LED TO THE DEVELOPMENT OF SCATTERED THUNDERSTORMS OVER THE NORTHERN PHILADELPHIA METROPOLITAN AREA DURING THE PAST HOUR. AS OF 250 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED SCATTERED STRONG THUNDERSTORMS IN CENTRAL MONTGOMERY COUNTY NEAR GRATERFORD... SOUTHWESTERN BUCKS COUNTY NEAR LEVITTOWN...EXTREME NORTHWESTERN MERCER COUNTY NEAR TITUSVILLE AND IN SOUTHERN MIDDLESEX COUNTY NEAR SOUTH BRUNSWICK. MOVEMENT WAS SOUTH AT 15 TO 20 MILES AN HOUR. THUNDERSTORMS SHOULD MOVE INTO PARTS OF CHESTER...PHILADELPHIA...BURLINGTON AND OCEAN COUNTIES DURING THE NEXT HOUR. IN ADDITION...THEY SHOULD BECOME MORE NUMEROUS AS THEY MOVE SOUTH DEEPER INTO THE UNSTABLE AIR MASS OVER THE NEXT ONE TO TWO HOURS. PERSONS SHOULD BE ON THE ALERT FOR THREATENING WEATHER AND HEAD INDOORS AND GET OUT OF THE WATER AT THE FIRST SIGN OF TROUBLE. THUNDERSTORMS T"HIS AFTERNOON HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING AND BRIEF BUT HEAVY DOWNPOURS. GIGI COR FOR DATE
Special weather statement, Jun 19, 3:53 PM EDT, 1 hour 9 minutes before
NJZ020>026-501-192100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 355 PM EDT SUN JUN 19 1994 ...THUNDERSTORMS DEVELOPING OVER SOUTHERN NEW JERSEY... AT 329 PM...ATLANTIC CITY RADAR SHOWED VERY HEAVY THUNDERSTORMS BEGINNING TO DEVELOP OVER SOUTHERN AND CENTRAL NEW JERSEY. THE HEAVIEST STORMS WERE LOCATED OVER CENTRAL MONMOUTH COUNTY AND OVER SOUTHERN MERCER AND NORTHERN BURLINGTON COUNTIES NEAR TRENTON. THESE STORMS WERE MOVING SOUTH AROUND 20 MPH...AND ONE SHOULD ENTER NORTHERN OCEAN COUNTY AROUND 400 PM. THE THUNDERSTORMS ARE DEVELOPING IN A VERY UNSTABLE AIR MASS AHEAD OF A COLD FRONT AND CAN CONTAIN VERY HEAVY RAINS...HAIL AND GUSTY WINDS.h PERSONS SHOULD BE ALERT FOR THREATENING WEATHER AND HEAD INDOORS OR OUT OF THE WATER AT THE FIRST SIGN OF TROUBLE. MARINERS SHOULD PAY SPECIAL ATTENTION FOR ANY STORMS. CRUPI
Special weather statement, Jun 19, 3:55 PM EDT, 1 hour 7 minutes before
NJZ020>026-501-192100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 355 PM EDT SUN JUN 19 1994 ...THUNDERSTORMS DEVELOPING OVER SOUTHERN NEW JERSEY... AT 329 PM...ATLANTIC CITY RADAR SHOWED VERY HEAVY THUNDERSTORMS BEGINNING TO DEVELOP OVER SOUTHERN AND CENTRAL NEW JERSEY. THE HEAVIEST STORMS WERE LOCATED OVER CENTRAL MONMOUTH COUNTY AND OVER SOUTHERN MERCER AND NORTHERN BURLINGTON COUNTIES NEAR TRENTON. THESE STORMS WERE MOVING SOUTH AROUND 20 MPH...AND ONE SHOULD ENTER NORTHERN OCEAN COUNTY AROUND 400 PM. THE THUNDERSTORMS ARE DEVELOPING IN A VERY UNSTABLE AIR MASS AHEAD OF A COLD FRONT AND CAN CONTAIN VERY HEAVY RAINS...HAIL AND GUSTY WINDS. PERSONS SHOULD BE ALERT FOR THREATENING WEATHER AND HEAD INDOORS OR OUT OF THE WATER AT THE FIRST SIGN OF TROUBLE. MARINERS SHOULD PAY SPECIAL ATTENTION FOR ANY STORMS. CRUPI
Special weather statement, Jun 19, 4:05 PM EDT, 57 minutes before
PAZ067>071-NJZ015>019-192130- SPECIAL WEATHER STATEMENT - THUNDERSTORMS NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 410 PM EDT SUN JUN 19 1994 ...THUNDERSTORS OVER CHESTER...DELAWARE...PHILADELPHIA COUNTIES IN PENNSYLVANIA AND MERCER...BURLINGTON...CAMDEN AND GLOUCESTER COUNTIES IN NEW JERSEY... AT 400 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A MEANDERING LINE OF THUNDERSTORMS FROM BERKS COUNTY TO NORTH CHESTER COUNTY THEN EAST ACROSS PHILADELPHIA AND NORTHEAST TOWARD TRENTON NEW JERSEY. THE THUNDERSTORMS WERE MOVING SOUTH AROUND 25 MPH AND COULD CONTAIN STRONG GUSTY WINDS...HAIL AND VERY HEAVY RAINS. PERSONS SHOULD BE ON THE ALERT FOR THREATENING WEATHER AND HEADJ INDOORS AND GET OUT OF THE WATER AT THE FIRST SIGN OF TROUBLE. THUNDERSTORMS THIS AFTERNOON HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING AND BRIEF BUT HEAVY DOWNPOURS. RNS
Special weather statement, Jun 19, 4:39 PM EDT, 23 minutes before
DEC001-003-005-200045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 439 PM EDT SUN JUN 19 1994 ...THUNDERSTORMS MOVE THROUGH DELAWARE... WEATHER RADAR INDICATES A THUNDERSTORM MOVING SOUTH FROM SOUTHEASTERN PENNSYLVANIA INTO NEW CASTLE COUNTY AT THIS TIME. THE STORM IS MOVING SOUTH AT ABOUT 15 TO 20 MPH. THIS STORM COULD PRODUCE STRONG GUSTY SURFACE WINDS AND SMALL HAIL. ELSEWHERE A THUNDERSTORM HAS FORMED OVER DOVER DELAWARE AND IS ALSO MOVING TO THE SOUTH. STORMS WILL POP UP THROUGHOUT THE STATE FOR THE REMAINDER OF THIS AFTERNOON AND THIS EVENING. IF THESE STORMS APPROACH SEEK SHELTER AND STAY TUNED TO NOAA RADIO AND LOCAL TV AND RADIO FOR FURTHER UPDATES AS NECESSARY. TOWNSEND NNNN
Special weather statement, Jun 19, 4:39 PM EDT, 23 minutes before
DEC001-003-005-200045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 439 PM EDT SUN JUN 19 1994 ...THUNDERSTORMS MOVE THROUGH DELAWARE... WEATHER RADAR INDICATES A THUNDERSTORM MOVING SOUTH FROM SOUTHEASTERN PENNSYLVANIA INTO NEW CASTLE COUNTY AT THIS TIME. THE STORM IS MOVING SOUTH AT ABOUT 15 TO 20 MPH. THIS STORM COULD PRODUCE STRONG GUSTY SURFACE WINDS AND SMALL HAIL. ELSEWHERE A THUNDERSTORM HAS FORMED OVER DOVER DELAWARE AND IS ALSO MOVING TO THE SOUTH. STORMS WILL POP UP THROUGHOUT THE STATE FOR THE REMAINDER OF THIS AFTERNOON AND THIS EVENING. IF THESE STORMS APPROACH SEEK SHELTER AND STAY TUNED TO NOAA RADIO AND LOCAL TV AND RADIO FOR FURTHER UPDATES AS NECESSARY. TOWNSEND NNNN
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 67 min |
| Jun 19, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 67 min |
| Jun 19, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland | 63 min |
| Jun 19, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 66 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.