Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 17, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 25, 1994, 6:10 PM EDT for Mercer County, New Jersey. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- May 25, 1994, 6:10 PM EDT (22:10 UTC)
- Expired
- May 25, 1994, 7:00 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Mercer County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 10.2 hours before the alert went out and 94 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
- 255 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 252212 SVRPHL NJC021-252300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 610 PM EDT WED MAY 25 1994 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL NEW JERSEY ...MERCER COUNTY AT 605 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM MOVING OUT OF BUCKS COUNTY INTO WESTERN MERCER COUNTY. IT IS MOVING TOWARD THE EAST AT ABOUT 30 MPH. IT HAS PRODUCED HAIL UP TO 1 INCH IN DIAMETER AND WIND GUSTS TO 50 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.
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, May 25, 5:45 PM EDT, 25 minutes before
NJZ019>026-501-260300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 545 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR SOUTHERN NEW JERSEY UNTIL 10 PM... AT 532 PM...WEATHER SERVICE RADAR CONTINUED TO SHOW A DEVELOPING LINE OF STRONG THUNDERSTORMS OVER SOUTHEAST PENNSYLVANIA AND EASTERN MARYLAND. LOCALLY VERY HEAVY RAIN AND THUNDERSTORMS PRODUCING FREQUENT LIGHTNING STRETCHED FROM MONTGOMERY COUNTY PENNSYLVANIA TO CECIL COUNTY MARYLAND AND SOUTHWEST TO THE CHESAPEAKE BAY AT ANNE ARUNDEL COUNTY. THESE THUNDERSTORMS PRODUCED WIND GUSTS IN EXCESS OF 45 MILES AN HOUR IN BALTIMORE. STRONG GUSTY WINDS...FREQUENT LIGHTNING...AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY PROGRESS EASTWARD. MOVEMENT WAS EAST AT 30 MILES AN HOUR. REMEMBER...IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. LIGHTNING IS A COMMON KILLER DURING THUNDERSTORMS AND LARGE HAIL AND STRONG WINDS CAN BE EQUALLY AS DANGEROUS. STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR FURTHER UPDATES OR POSSIBLE WARNINGS. GERAPETRITIS : P= Q"A*:BeNVrQv-zRBa2o&M:HN bjv ~"r~V&j
Special weather statement, May 25, 5:50 PM EDT, 20 minutes before
PAZ048-055-060-061-062-260000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 550 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LEHIGH VALLEY AND PORTIONS OF THE POCONOS UNTIL 1000 PM THIS EVENING... ...SEVERE WEATHER STRIKES BERKS COUNTY... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EASTERN PENNNSYLVANIA AND MOST OF NEW JERSEY UNTIL 10PM THIS EVENING. THIS INCLUDES THE COUNTIES OF PIKE...MONROE...NORTHAMPTON...LEHIGH AND BERKS AS WELL AS SUSSEX...WARREN AND HUNTERDON COUNTIES IN NEW JERSEY. AT 545PM RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING EASTERN PENNSYLVANIA FROM HAZELTON AND STROUDSBURG SOUTH-SOUTHWEST THROUGH BERKS COUNTY...THE LEHIGH VALLEY AND INTO AREAS JUST WEST OF PHILADELPHIA. A SEVERE THUDERSTORM MOVED THROUGH CENTRAL AND SOUTHERN BERKS COUNTY BETWEEN 4PM AND 530PM CAUSING COSIDERABLE DAMAGE. CIVIL DEFENSE IN BERKS COUNTY REPORTS DAMAGED ROOFS...MANY LIMBS DOWN AND A DESTROYED BARN JUST NORTHWEST OF READING IN WASHINGTON TWSP. THERE WAS CONSIDERABLE ROOF DAMAGE IN THE CITY OF READING PROPER. THE SOUTHERN END OF THE COUNTY EXPERIENCED WIND GUSTS TO 70 MPH AND 1 INCH HAIL. THE SEVERE THUNDERSTORM HAS MOVED EAST OF BERKS COUNTY AND WEAKED OVER BUCKS COUNTY. RADAR NOW INDICATES MOSTLY RAIN SHOWERS OVER BERKS COUNTY AND THE LEHIGH VALLEY AND THE THREAT OF SEVERE WEATHER IN THIS AREA HAS GREATLY DIMINISHED. LOEPER ...CORR TO HEADER...
Special weather statement, May 25, 5:52 PM EDT, 18 minutes before
PAZ048-055-060-061-062-252200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 550 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LEHIGH VALLEY AND PORTIONS OF THE POCONOS UNTIL 1000 PM THIS EVENING... ...SEVERE WEATHER STRIKES BERKS COUNTY... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EASTERN PENNNSYLVANIA AND MOST OF NEW JERSEY UNTIL 10PM THIS EVENING. THIS INCLUDES THE COUNTIES OF PIKE...MONROE...NORTHAMPTON...LEHIGH AND BERKS AS WELL AS SUSSEX...WARREN AND HUNTERDON COUNTIES IN NEW JERSEY. AT 545PM RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING EASTERN PENNSYLVANIA FROM HAZELTON AND STROUDSBURG SOUTH-SOUTHWEST THROUGH BERKS COUNTY...THE LEHIGH VALLEY AND INTO AREAS JUST WEST OF PHILADELPHIA. A SEVERE THUDERSTORM MOVED THROUGH CENTRAL AND SOUTHERN BERKS COUNTY BETWEEN 4PM AND 530PM CAUSING COSIDERABLE DAMAGE. CIVIL DEFENSE IN BERKS COUNTY REPORTS DAMAGED ROOFS...MANY LIMBS DOWN AND A DESTROYED BARN JUST NORTHWEST OF READING IN WASHINGTON TWSP. THERE WAS CONSIDERABLE ROOF DAMAGE IN THE CITY OF READING PROPER. THE SOUTHERN END OF THE COUNTY EXPERIENCED WIND GUSTS TO 70 MPH AND 1 INCH HAIL. THE SEVERE THUNDERSTORM HAS MOVED EAST OF BERKS COUNTY AND WEAKED OVER BUCKS COUNTY. RADAR NOW INDICATES MOSTLY RAIN SHOWERS OVER BERKS COUNTY AND THE LEHIGH VALLEY AND THE THREAT OF SEVERE WEATHER IN THIS AREA HAS GREATLY DIMINISHED. LOEPER
Special weather statement, May 25, 5:55 PM EDT, 15 minutes before
PAZ048-054-055-058-060-061-062-262300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 555 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EASTERN PENNSYLVANIA AND ALL OF NEW JERSEY... A SEVERE THUNDERSTORM WATCH CONTINUES FOR EASTERN PENNSYLVANIA AND ALL OF NEW JERSEY UNTIL 10 PM EDT THIS EVENING. THIS INCLUDES THE COUNTIES OF SCHUYLKILL...BERKS...CARBON...MONROE...PIKE...NORTHAMPTON AND LEHIGH AND ALL THE COUNTIES IN NEW JERSEY. AT 550 PM RADAR INDICATED TWO AREAS OF THUNDERSTORMS OVER PENNSYLVANIA. ONE AREA COVERED THE SOUTHEASTERN SECTION OF THE STATE FROM NEAR ALLENTOWN WEST TO BERKS COUNTY AND SOUTHEAST TO PHILADELPHIA. THE STRONGEST STORMS IN THIS AREA HAVE SHIFTED SOUTH TO NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY. THE ACTIVITY OVER BERKS...LEHIGH AND NORTHAMPTON HAS WEAKENED DURING THE PAST HOUR. MOVEMENT WAS TOWARD THE EAST AT AROUND 35 MPH. THE CHANCES OF SEVERE WEATHER OVER THE LEHIGH VALLEY PROPER HAVE GREATLY DIMINISHED. A LINE OF THUNDERSTORMS CONTINUES TO MOVE EASTWARD ACROSS THE POCONOS AND STRETCHES FROM NEAR WILKES-BARRE SOUTHWEST TO NORTHERN SCHUYLKILL COUNTY NEAR RINGTOWN. THIS LINE HAS ALSO SHOWN SIGNS OF WEAKENING. WHILE THE THREAT OF SEVERE WEATHER HAS DIMINISHED...STRONG THUNDERSTORMS ARE STILL POSSIBLE OVER EASTERN PENNSYLVANIA AND NEW JERSEY THROUGH THIS EVENING. LOEPER
Special weather statement, May 25, 5:56 PM EDT, 14 minutes before
PAZ048-055-060-061-062-260000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 550 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LEHIGH VALLEY AND PORTIONS OF THE POCONOS UNTIL 1000 PM THIS EVENING... ...SEVERE WEATHER STRIKES BERKS COUNTY... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EASTERN PENNNSYLVANIA AND MOST OF NEW JERSEY UNTIL 10PM THIS EVENING. THIS INCLUDES THE COUNTIES OF PIKE...MONROE...NORTHAMPTON...LEHIGH AND BERKS AS WELL AS SUSSEX...WARREN AND HUNTERDON COUNTIES IN NEW JERSEY. AT 545PM RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING EASTERN PENNSYLVANIA FROM HAZELTON AND STROUDSBURG SOUTH-SOUTHWEST THROUGH BERKS COUNTY...THE LEHIGH VALLEY AND INTO AREAS JUST WEST OF PHILADELPHIA. A SEVERE THUDERSTORM MOVED THROUGH CENTRAL AND SOUTHERN BERKS COUNTY BETWEEN 4PM AND 530PM CAUSING COSIDERABLE DAMAGE. CIVIL DEFENSE IN BERKS COUNTY REPORTS DAMAGED ROOFS...MANY LIMBS DOWN AND A DESTROYED BARN JUST NORTHWEST OF READING IN WASHINGTON TWSP. THERE WAS CONSIDERABLE ROOF DAMAGE IN THE CITY OF READING PROPER. THE SOUTHERN END OF THE COUNTY EXPERIENCED WIND GUSTS TO 70 MPH AND 1 INCH HAIL. THE SEVERE THUNDERSTORM HAS MOVED EAST OF BERKS COUNTY AND WEAKED OVER BUCKS COUNTY. RADAR NOW INDICATES MOSTLY RAIN SHOWERS OVER BERKS COUNTY AND THE LEHIGH VALLEY AND THE THREAT OF SEVERE WEATHER IN THIS AREA HAS GREATLY DIMINISHED. LOEPER ...CORR TO HEADER...
Special weather statement, May 25, 6:00 PM EDT, 10 minutes before
NJZ019>026-501-260300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 545 PM EDT WED MAY 25 1994 ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR SOUTHERN NEW JERSEY UNTIL 10 PM... AT 532 PM...WEATHER SERVICE RADAR CONTINUED TO SHOW A DEVELOPING LINE OF STRONG THUNDERSTORMS OVER SOUTHEAST PENNSYLVANIA AND EASTERN MARYLAND. LOCALLY VERY HEAVY RAIN AND THUNDERSTORMS PRODUCING FREQUENT LIGHTNING STRETCHED FROM MONTGOMERY COUNTY PENNSYLVANIA TO CECIL COUNTY MARYLAND AND SOUTHWEST TO THE CHESAPEAKE BAY AT ANNE ARUNDEL COUNTY. THESE THUNDERSTORMS PRODUCED WIND GUSTS IN EXCESS OF 45 MILES AN HOUR IN BALTIMORE. STRONG GUSTY WINDS...FREQUENT LIGHTNING...AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY PROGRESS EASTWARD. MOVEMENT WAS EAST AT 30 MILES AN HOUR. REMEMBER...IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. LIGHTNING IS A COMMON KILLER DURING THUNDERSTORMS AND LARGE HAIL AND STRONG WINDS CAN BE EQUALLY AS DANGEROUS. STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR FURTHER UPDATES OR POSSIBLE WARNINGS. GERAPETRITIS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 51 min |
| May 25, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 39 min |
| May 25, 6:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cumberland | 62 min |
| May 25, 7:08 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 37 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.