Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 100, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 14, 1994, 3:40 PM EDT for Burlington County, Mercer County, New Jersey. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Aug 14, 1994, 3:40 PM EDT (19:40 UTC)
- Expired
- Aug 14, 1994, 4:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Burlington County, NJ, Mercer County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 7.7 hours before the alert went out and 72 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
- 243 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1037 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 141941 RRA SVRPHL NJC005-021-142030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ 340 PM EDT SUN AUG 14 1994 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN NEW JERSEY... ...NORTHERN BURLINGTON COUNTY AND SOUTHERN MERCER COUNTY. AT 340 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHERN BUCKS COUNTY...PENNSYLVANIA. THIS THUNDERSTORM IS MOVE EAST AROUND 45 MPH...AND IT SHOULD MOVE ACROSS SOUTHERN MERCER AND NORTHERN BURLINGTON COUNTIES IN NEW JERSEY DURING THE NEXT 45 MINUTES. 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. A TORNADO WATCH CONTINUES FOR THE AREA UNTIL 730 PM EDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. IOVINO $$
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, Aug 14, 1:36 PM EDT, 2 hours 4 minutes before
NJZ019>026-501-141900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 540 PM EDT SAT AUG 13 1994 ...TORNADO WATCH IN EFFECT UNTIL 730 PM FOR ALL OF NEW JERSEY AND ADJACENT COASTAL WATERS... AT 130 PM THIS AFTERNOON A TORNADO WATCH HAS BEEN ISSUED FOR THE SOUTHERN NEW JERSEY COUNTIES OF ATLANTIC...CUMBERLAND...CAPE MAY... OCEAN...BURLINGTON COUNTIES AND THE ADJACENT COASTAL WATERS. AT 130 PM...NATIONAL WEATHER SERVICE RADARS SHOWED NO SHOWERS OR THUNDERSTORMS OVER SOUTHERN NEW JERSEY. HOWEVER...SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WERE INDICATED IN THE SUSQUEHANNA VALLEY OF PENNSYLVANIA INTO NORTHEAST PENNSYLVANIA...SOUTHEAST NEW YORK STATE AND BRUSHING EXTREME NORTHEN NEW JERSEY TO AROUND NEW YORK CITY. THESE STORM WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES AND SEVEE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR THE APPROACH OF THREATTENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION STATIONS FOR FURTHER UPDATES AND ANY POSSIBLtE WARNINGS. DIETZMANN
Special weather statement, Aug 14, 1:38 PM EDT, 2 hours 2 minutes before
DEZ001-002-003-004-142345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 138 PM EDT SUN AUG 14 1994 ...TORNADO WATCH FOR DELAWARE... THE NATIONAL SEVERE STORMS FROECAST CENTER HAS ISSUED A TORNADO WATCH EFFECTIVE UNTIL 730 PM THIS EVENING FOR ALL OF DELAWARE AND THE ADJACENT COASTAL WATERS. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA WEATHER RADIO AND LOCAL TV AND RADIO STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. LYLES NNNN
Special weather statement, Aug 14, 1:38 PM EDT, 2 hours 2 minutes before
DEZ001-002-003-004-142345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 138 PM EDT SUN AUG 14 1994 ...TORNADO WATCH FOR DELAWARE... THE NATIONAL SEVERE STORMS FROECAST CENTER HAS ISSUED A TORNADO WATCH EFFECTIVE UNTIL 730 PM THIS EVENING FOR ALL OF DELAWARE AND THE ADJACENT COASTAL WATERS. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA WEATHER RADIO AND LOCAL TV AND RADIO STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. LYLES NNNN
Special weather statement, Aug 14, 1:55 PM EDT, 1 hour 45 minutes before
PAZ054-055-060>062-067>071-NJZ015>019-141900- SPECIAL WEATHER STATEMENT - TORNADO WATCH 729 NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ 155 PM EDT SUN AUG 14 1994 ...A TORNADO WATCH IS IN EFFECT UNTIL 730 PM FOR THE PHILADELPHIA METROPOLITAN AREA AND FOR EAST CENTRAL PENNSYLVANIA INCLUDING ALLENTOWN...READING AND STROUDSBURG... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR EAST CENTRAL AND SOUTHEASTERN PENNSYLVANIA...AND FOR THE WESTERN PART OF SOUTHERN NEW JERSEY. THE TORNADO WATCH IS IN EFFECT UNTIL 730 PM. IN PENNSYLVANIA...THE TORNADO WATCH INCLUDES THE COUNTIES OF MONROE... CARBON...NORTHAMPTON...LEHIGH...BERKS...BUCKS...MONTGOMERY...CHESTER... PHILADELPHIA AND DELAWARE. IN NEW JERSEY...THE TORNADO WATCH INCLUDES THE COUNTIES OF MERCER... BURLINGTON...CAMDEN...GLOUCESTER AND SALEM. AT 150 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS IN EXTREME NORTHERN BUCKS COUNTY...AND IN LANCASTER AND YORK COUNTIES. THE THUNDERSTORMS ARE MOVING TO THE EAST NORTHEAST AROUND 40 MPH. THE THUNDERSTORMS IN NORTHERN BUCKS COUNTY ARE EXPECTED TO MOVE INTO HUNTERDON COUNTY NEW JERSEY SHORTLY. THE THUNDERSTORMS IN LANCASTER COUNTY SHOULD AFFECT PARTS OF SOUTHERN BERKS...NORTHERN CHESTER...AND WESTERN MONTGOMERY COUNTIES BETWEEN 2 AND 3 PM. THE THUNDERSTORMS THIS AFTERNOON MAY BE ACCOMPANIED BY STRONG DAMAGING WINDS...HEAVY RAIN AND HAIL...ALONG WITH DANGEROUS LIGHTNING. IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE. STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND RADIO STATIONS FOR ADDITIONAL INFORMATION CONCERNING THIS AFTERNOON/S TORNADO WATCH. IOVINO
Special weather statement, Aug 14, 1:57 PM EDT, 1 hour 43 minutes before
PAZ054-055-060>062-067>071-NJZ015>019-141900- SPECIAL WEATHER STATEMENT - TORNADO WATCH 729 NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ 155 PM EDT SUN AUG 14 1994 ...A TORNADO WATCH IS IN EFFECT UNTIL 730 PM FOR THE PHILADELPHIA METROPOLITAN AREA AND FOR EAST CENTRAL PENNSYLVANIA INCLUDING ALLENTOWN...READING AND STROUDSBURG... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR EAST CENTRAL AND SOUTHEASTERN PENNSYLVANIA...AND FOR THE WESTERN PART OF SOUTHERN NEW JERSEY. THE TORNADO WATCH IS IN EFFECT UNTIL 730 PM. IN PENNSYLVANIA...THE TORNADO WATCH INCLUDES THE COUNTIES OF MONROE... CARBON...NORTHAMPTON...LEHIGH...BERKS...BUCKS...MONTGOMERY...CHESTER... PHILADELPHIA AND DELAWARE. IN NEW JERSEY...THE TORNADO WATCH INCLUDES THE COUNTIES OF MERCER... BURLINGTON...CAMDEN...GLOUCESTER AND SALEM. AT 150 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS IN EXTREME NORTHERN BUCKS COUNTY...AND IN LANCASTER AND YORK COUNTIES. THE THUNDERSTORMS ARE MOVING TO THE EAST NORTHEAST AROUND 40 MPH. THE THUNDERSTORMS IN NORTHERN BUCKS COUNTY ARE EXPECTED TO MOVE INTO HUNTERDON COUNTY NEW JERSEY SHORTLY. THE THUNDERSTORMS IN LANCASTER COUNTY SHOULD AFFECT PARTS OF SOUTHERN BERKS...NORTHERN CHESTER...AND WESTERN MONTGOMERY COUNTIES BETWEEN 2 AND 3 PM. THE THUNDERSTORMS THIS AFTERNOON MAY BE ACCOMPANIED BY STRONG DAMAGING WINDS...HEAVY RAIN AND HAIL...ALONG WITH DANGEROUS LIGHTNING. IF YO~U OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE. STAY TUNED TO NOAA WEATHER RADIO...AND TO YOUR LOCAL TELEVISION AND RADIO STATIONS FOR ADDITIONAL INFORMATION CONCERNING THIS AFTERNOON/S TORNADO WATCH. IOVINO
Special weather statement, Aug 14, 2:21 PM EDT, 1 hour 19 minutes before
NJZ019>026-501-141900- SPECIAL WEATHER STATEMENT...CORRECTED FOR DATE NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 135 PM EDT SUN AUG 14 1994 ...TORNADO WATCH IN EFFECT UNTIL 730 PM FOR ALL OF NEW JERSEY AND ADJACENT COASTAL WATERS... AT 130 PM THIS AFTERNOON A TORNADO WATCH HAS BEEN ISSUED FOR THE SOUTHERN NEW JERSEY COUNTIES OF ATLANTIC...CUMBERLAND...CAPE MAY... OCEAN...BURLINGTON COUNTIES AND THE ADJACENT COASTAL WATERS. AT 130 PM...NATIONAL WEATHER SERVICE RADARS SHOWED NO SHOWERS OR THUNDERSTORMS OVER SOUTHERN NEW JERSEY. HOWEVER...SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WERE INDICATED IN THE SUSQUEHANNA VALLEY OF PENNSYLVANIA INTO NORTHEAST PENNSYLVANIA...SOUTHEAST NEW YORK STATE AND BRUSHING EXTREME NORTHEN NEW JERSEY TO AROUND NEW YORK CITY. THESE STORM WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES AND SEVEE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR THE APPROACH OF THREATTENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION STATIONS FOR FURTHER UPDATES AND ANY POSSIBLE WARNINGS. DIETZMANN
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 25 min |
| Aug 14, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 29 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.