Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 29, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 4, 1996, 6:02 PM EDT for Carbon County, Lehigh County, Pennsylvania. It was in force for 43 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 4, 1996, 6:02 PM EDT (22:02 UTC)
- Expired
- Jun 4, 1996, 6:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Carbon County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 139 km from the middle of the area, began a volume at 22:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 6:10 PM EDT | Hail 0.75 | Lehighton, PA | |
| Jun 4, 6:15 PM EDT | Hail 0.75 | Slatedale, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 235 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 14 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 042205 SVRPHL PAC025-077-042245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 602 PM EDT TUE JUN 4 1996 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN PENNSYLVANIA ...SOUTHERN CARBON COUNTY...NORTHERN LEHIGH COUNTY AT 600 PM NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING A SEVERE THUNDERSTORM IN EXTREME EASTERN SCHUYLKILL COUNTY IN WEST PENN TOWNSHIP MOVING NORTHEAST AT APPROXIMATELY 35 MPH. THIS THUNDERSTORM WILL BE MOVING INTO SOUTHERN CARBON AND NORTHERN LEHIGH COUNTIES BY 610 PM. THIS IS A DANGEROUS STORM. PREPARE FOR STRONG DAMAGING WINDS... LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING. SHOULD THE STORM APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED. TFG/JJM
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 4, 2:02 PM EDT, 4 hours before
NJZ014-024>026-050000- SPECIAL WEATHER STATEMENT - THUNDERSTORM POTENTIAL NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 145 PM EDT MON JUN 3 1996 ...THUNDERSTORM POTENTIAL EXISTS FOR THIS EVENING... A WEAK COLD FRONT...MOVING SLOWLY EAST FROM OHIO...WILL PRODUCE SOME LIFT TO MOIST AIR EAST OF THE FRONT. THE AIR AHEAD OF THE FRONT IS MODERATELY UNSTABLE WITH COOL AIR ALOFT AND SOME SOLAR HEATING OF AIR NEAR THE GROUND. CONDITIONS ARE FAVORABLE FOR SOME GENERALIZED THUNDERSTORM ACTIVITY THIS EVENING BUT NOT FOR ANY TO GROW TO SEVERE PROPORTIONS. IF ANY THUNDERSTORMS DEVELOP...THEY WILL MOVE FROM SOUTH SOUTHWEST TO NORTH NORTHEAST AT AROUND 35 MPH. THE THUNDERSTORMS WOULD BE ACCOMPANVIED BY GUSTY WINDS AND BRIEF HEAVY DOWNPOURS. CONDITIONS DO EXIST FOR THE DEVELOPMENT OF SMALL HAIL IN ANY THUNDERSTORMS. DOVICO
Special weather statement, Jun 4, 2:48 PM EDT, 3 hours 14 minutes before
MDZ008-012-015-019-020-050100- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 250 PM EDT TUE JUN 4 1996 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH WHICH IS IN EFFECT UNTIL 900 PM EDT FOR THE MARYLAND EASTERN SHORE COUNTIES OF CECIL...QUEEN ANNE/S...KENT...CAROLINE AND TALBOT. DAMAGING WIND GUSTS AND LARGE HAIL ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. A COLD FRONT MOVING THROUGH THE EASTERN OHIO VALLEY COUPLED WITH VERY COLD TEMPERATURES AT HIGHER LEVELS OF OUR ATMOSPHERE WILL HELP DEVELOP STRONG TO LOCALLY SEVERE THUNDERSTORMS ACROSS THE MIDDLE ATLANTIC STATES THIS AFTERNOON AND EVENING. A DEVELOPING LINE OF THUNDERSTORMS EXTENDING FROM THE SOUTHWESTERN SUSQUEHANNA VALLEY PENNSYLVANIA INTO THE EASTERN PANHANDLE OF WEST VIRGINIA WILL MOVE NORTHEAST. THE SOUTHERN PART OF THIS LINE SHOULD REACH THE WATCH AREA PROBABLY BETWEEN 5 AND 8 PM TODAY. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD LOOK FOR THREATENING WEATHER AND LISTEN FOR FURTHER WARNINGS OR STATEMENTS OVER NOAA WEATHER RADIO AND/OR COMMERCIAL RADIO AND TELEVISION. IF YOU DO SEE THREATENING WEATHER...PLEASE TAKE SHELTER INDOORS QUICKLY. GIGI
Special weather statement, Jun 4, 4:28 PM EDT, 1 hour 34 minutes before
PAZ054-055-060>062-067>071-DEZ001-NJZ001-007>010-012>020-022-025-026- 050300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 425 PM EDT TUE JUN 4 1996 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1100 PM EDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH WHICH IS IN EFFECT UNTIL 11 PM EDT FOR MOST OF EASTERN PENNSYLVANIA...NEW JERSEY AND NORTHERN DELAWARE. THE COUNTIES INCLUDED IN THIS WATCH IN PENNSYLVANIA ARE...CARBON... MONROE...BERKS...LEHIGH...NORTHAMPTON...CHESTER...MONTGOMERY...BUCKS ...DELAWARE AND PHILADELPHIA THE COUNTIES INCLUDED IN THIS WATCH IN NEW JERSEY ARE SUSSEX...WARREN ...MORRIS...HUNTERDON...SOMERSET...MIDDLESEX...MONMOUTH...MERCER... BURLINGTON...OCEAN...CAMDEN...GLOUCESTER...ATLANTIC AND SALEM. NEW CASTLE COUNTY DELAWARE IS ALSO INCLUDED IN THIS WATCH. DAMAGING WIND GUSTS AND LARGE HAIL ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. SEVERAL STRONG THUNDERSTORMS HAVE DEVELOPED OVER CENTRAL NEW JERSEY IN MONMOUTH...OCEAN AND BURLINGTON COUNTIES. THESE THUNDERSTORMS ARE PRODUCING FREQUENT LIGHTNING AND HEAVY RAIN AND COULD BECOME SEVERE DURING THE NEXT HOUR OR TWO. FARTHER TO THE WEST A LINE OF THUNDERSTORMS...WITH A HISTORY OF PRODUCING LARGE HAIL AND WIND GUSTS OF BETWEEN 50 AND 60 MPH WAS MOVING THROUGH THE SUSQUEHANNA BASIN. WITH THE PRESENT MOTION AND IF IT CAN MAINTAIN ITSELF THE LEADING EDGE OF THIS LINE WILL PASS THROUGH PALMERTON AND READING BY 6 PM...STROUDSBURG...ALLENTOWN... PHOENIXVILLE AND NEWARK DE BY 7 PM...SUSSEX...HACKETTSTOWN... FLEMINGTON...PHILADELPHIA AND PILESGROVE BY 8 PM...MORRISTOWN... BEDMINSTER...MOUNT HOLLY AND MILLVILLE BY 9 PM...NEW BRUNSWICK ...JACKSON AND HAMMONTON BY 10 PM AND REACH THE NEW JERSEY SHORE BY 11 PM. A COLD FRONT MOVING THROUGH THE EASTERN OHIO VALLEY COUPLED WITH VERY COLD TEMPERATURES AT HIGHER LEVELS OF OUR ATMOSPHERE WILL HELP DEVELOP STRONG TO LOCALLY SEVERE THUNDERSTORMS ACROSS THE MIDDLE ATLANTIC STATES THIS AFTERNOON AND EVENING. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD L(OOK FOR THREATENING WEATHER AND LISTEN FOR FURTHER WARNINGS OR STATEMENTS OVER NOAA WEATHER RADIO AND/OR COMMERCIAL RADIO AND TELEVISION. IF YOU DO SEE THREATENING WEATHER...PLEASE TAKE SHELTER INDOORS QUICKLY. GIGI
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 60 min |
| Jun 4, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 52 min |
| Jun 4, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.