Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 99, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Oct 14, 1995, 8:18 PM EDT for Camden County, New Jersey; Montgomery County, Philadelphia County, Pennsylvania. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Oct 14, 1995, 8:18 PM EDT (00:18 UTC)
- Expired
- Oct 14, 1995, 8:45 PM EDT
- In force
- 27 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Camden County, NJ, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 00:37 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.3 hours before the alert went out and 216 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
- 369 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 379 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 150019 RRA SVRPHL NJC007-PAC091-101-150045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 818 PM EDT SAT OCT 14 1995 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NEW JERSEY ...CAMDEN COUNTY IN PENNSYLVANIA ...SOUTHERN MONTGOMERY COUNTY...PHILADELPHIA COUNTY WINDS GUSTED TO 63 MILES AN HOUR AT PHILADELPHIA INTERNATIONAL AIRPORT AT 810 PM EDT...AND RADAR SHOWED THESE ASSOCIATED THUNDERSTORMS MOVING NORTHEASTWARD AT 45 MILES AN HOUR. EASTERN PHILADELPHIA AND CAMDEN NEW JERSEY ARE IN THE PATH OF THESE STORMS. HEAVY RAINS WITH THIS THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES VERY QUICKLY. DO NOT DRIVE YOUR CAR INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE DEEPER THAN YOU THINK. IF CAUGHT IN RISING WATERS...ABANDON YOUR CAR QUICKLY. MOVE TO HIGHER GROUND. JRP
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, Oct 14, 5:50 PM EDT, 2 hours 28 minutes before
PAZ054-055-060>062-067>071-NJZ001-007>010-012>026- MDZ008-012-015-019-020-DEZ001>004-150600- SPECIAL WEATHER STATEMENT - THUNDERSTORMS NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ 550 PM EDT SAT OCT 14 1995 ...THUNDERSTORMS WITH HEAVY RAIN WILL AFFECT THE AREA THIS EVENING... AN UNUSUALLY WARM AND HUMID AIR MASS FOR OCTOBER COUPLED WITH AN APPROACHING COLD FRONT IN WESTERN PENNSYLVANIA WILL UNLEASH A COUPLE OF BANDS OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS EVENING...SOME WITH VERY HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. AS OF 530 PM THE FIRST BAND EXTENDED FROM BURLINGTON COUNTY NEW JERSEY SOUTHWEST TO SALEM COUNTY. THIS BAND WAS PRODUCING RAINS OF UP TO 3/4 OF AN INCH WITHIN 30 MINUTES. IT WILL BE MOVING INTO MONMOUTH AND OCEAN COUNTIES BY 630 PM. A SECOND BAND OF THUNDERSTORMS EXTENDED FROM LANCASTER COUNTY SOUTHWEST ACROSS THE WESTERN SHORE OF CHESAPEAKE BAY. THIS BAND WAS MOVING NORTHEAST AT 45 MPH AND WILL BE MOVING INTO THE WESTERN PHILADELPHIA SUBURBS AND THE EASTERN SHORE OF CHESAPEAKE BAY BETWEEN 6 AND 730 PM. IN ADDITION TO HEAVY RAIN...THIS BAND ALSO HAS BEEN PRODUCING STRONG GUSTY WINDS IN MARYLAND. THE LAST BAND WAS A LONG ONE THAT EXTENDED FROM JUST WEST OF WILLIAMSPORT SOUTHWEST TO JUST WEST OF GETTYSBURG. THIS BAND WAS MOVING NORTHEAST AT 35 MPH AND IF IT MAINTAINS ITSELF WILL AFFECT THE POCONOS BETWEEN 7 AND 8 PM...THE LEHIGH AND UPPER SCHUYLKILL VALLEYS BETWEEN 730 AND 930 PM...NORTHWEST NEW JERSEY AND THE PENNSYLVANIA PHILADELPHIA METRO AREA COUNTIES BETWEEN 8 AND 10 PM AND CENTRAL AND SOUTHERN NEW JERSEY...DELAWARE AND THE EASTERN SHORE OF MARYLAND BETWEEN 9 AND 11 PM. MOTORISTS WHO HAVE DRIVING PLANS THIS EVENING ARE ADVISED TO BE WARY FOR PONDING OF WATER IN FLOOD PRONE AND POOR DRAINAGE AREAS. REMEMBER AT NIGHT IT IS DIFFICULT TO JUDGE THE WATER/S DEPTH ON ROADWAYS. PERSONS...ESPECIALLY IN DELAWARE...THE WESTERN PHILADELPHIA SUBURBS AND THE MARYLAND EASTERN SHORE...ARE ADVISED ALSO TO BE ALERT FOR THUNDERSTORMS WITH STRONG GUSTY WINDS AND HEAD OR REMAIN INDOORS. GIGI
Special weather statement, Oct 14, 5:52 PM EDT, 2 hours 26 minutes before
PAZ054-055-060>062-067>071-NJZ001-007>010-012>026- MDZ008-012-015-019-020-DEZ001>004-150600- SPECIAL WEATHER STATEMENT - THUNDERSTORMS NATIONAL WEATHER SERVICE PHILADELPHIA PA/MOUNT HOLLY NJ 550 PM EDT SAT OCT 14 1995 ...THUNDERSTORMS WITH HEAVY RAIN WILL AFFECT THE AREA THIS EVENING... AN UNUSUALLY WARM AND HUMID AIR MASS FOR OCTOBER COUPLED WITH AN APPROACHING COLD FRONT IN WESTERN PENNSYLVANIA WILL UNLEASH A COUPLE OF BANDS OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS EVENING...SOME WITH VERY HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. AS OF 530 PM THE FIRST BAND EXTENDED FROM BURLINGTON COUNTY NEW JERSEY SOUTHWEST TO SALEM COUNTY. THIS BAND WAS PRODUCING RAINS OF UP TO 3/4 OF AN INCH WITHIN 30 MINUTES. IT WILL BE MOVING INTO MONMOUTH AND OCEAN COUNTIES BY 630 PM. A SECOND BAND OF THUNDERSTORMS EXTENDED FROM LANCASTER COUNTY SOUTHWEST ACROSS THE WESTERN SHORE OF CHESAPEAKE BAY. THIS BAND WAS MOVING NORTHEAST AT 45 MPH AND WILL BE MOVING INTO THE WESTERN PHILADELPHIA SUBURBS AND THE EASTERN SHORE OF CHESAPEAKE BAY BETWEEN 6 AND 730 PM. IN ADDITION TO HEAVY RAIN...THIS BAND ALSO HAS BEEN PRODUCING STRONG GUSTY WINDS IN MARYLAND. THE LAST BAND WAS A LONG ONE THAT EXTENDED FROM JUST WEST OF WILLIAMSPORT SOUTHWEST TO JUST WEST OF GETTYSBURG. THIS BAND WAS MOVING NORTHEAST AT 35 MPH AND IF IT MAINTAINS ITSELF WILL AFFECT THE POCONOS BETWEEN 7 AND 8 PM...THE LEHIGH AND UPPER SCHUYLKILL VALLEYS BETWEEN 730 AND 930 PM...NORTHWEST NEW JERSEY AND THE PENNSYLVANIA PHILADELPHIA METRO AREA COUNTIES BETWEEN 8 AND 10 PM AND CENTRAL AND SOUTHERN NEW JERSEY...DELAWARE AND THE EASTERN SHORE OF MARYLAND BETWEEN 9 AND 11 PM. MOTORISTS WHO HAVE DRIVING PLANS THIS EVENING ARE ADVISED TO BE WARY FOR PONDING OF WATER IN FLOOD PRONE AND POOR DRAINAGE AREAS. REMEMBER AT NIGHT IT IS DIFFICULT TO JUDGE THE WATER/S DEPTH ON ROADWAYS. PERSONS...ESPECIALLY IN DELAWARE...THE WESTERN PHILADELPHIA SUBURBS AND THE MARYLAND EASTERN SHORE...ARE ADVISED ALSO TO BE ALERT FOR THUNDERSTORMS WITH STRONG GUSTY WINDS AND HEAD OR REMAIN INDOORS. GIGI
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 8:30 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 45 min |
| Oct 14, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 46 min |
| Oct 14, 8:57 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Morris, Somerset | 48 min |
| Oct 14, 9:25 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 50 min |
| Oct 14, 9:25 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 50 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Severe Thunderstorm Warnings in New Jersey, 1995Every severe thunderstorm warning in 1995
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; radar from the NEXRAD Level II archive.