Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 123, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2016, 4:55 PM EDT for Delaware County, Montgomery County, Philadelphia County, Pennsylvania; Burlington County, Camden County, New Jersey. It was in force for 35 min. 13 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 23, 2016, 4:55 PM EDT (20:55 UTC)
- Expired
- Jul 23, 2016, 5:30 PM EDT
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Camden County, NJ, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 20:57 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 |
|---|---|---|---|
| Jul 23, 5:20 PM EDT | HAIL 0.75 | Pennsauken, NJ | |
| Jul 23, 5:29 PM EDT | HAIL 1 | Audubon, NJ | |
| Jul 23, 5:30 PM EDT | TSTM WND DMG | Cherry Hill, NJ | TREES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:30 PM EDT | TSTM WND DMG | Magnolia, NJ | A LARGE TREE COMPLETELY TOPPLED OVER ONTO TWO CARS ON THE 400 BLOCK OF LINCOLN AVENUE. A WOMAN WAS TRAPPED IN ONE OF THE CARS AND HAD TO BE RESCUED. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:30 PM EDT | HAIL 0.88 | Haddon Heights, NJ | NICKEL SIZED HAIL. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:30 PM EDT | HAIL 1 | Westmont, NJ | QUARTER SIZE HAIL. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:32 PM EDT | TSTM WND DMG | Barrington, NJ | SOME TREES DOWN. SOME LARGE TREE LIMBS FELL ONTO A HOUSE. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:33 PM EDT | TSTM WND DMG | Barrington, NJ | TREES DOWN ON CARS AT INTERSECTION OF BARR DRIVE AND CLEMENTS DRIVE |
| Jul 23, 5:33 PM EDT | HAIL 1 | Haddonfield, NJ | |
| Jul 23, 5:35 PM EDT | TSTM WND DMG | Lawnside, NJ | POWER POLE SNAPPED IN HALF. |
| Jul 23, 5:35 PM EDT | TSTM WND DMG | Somerdale, NJ | LARGE TREE LIMBS DOWN ON BURBANK DRIVE. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:35 PM EDT | HAIL 0.75 | Lawnside, NJ | |
| Jul 23, 5:37 PM EDT | TSTM WND DMG | Voorhees, NJ | DOWNED WIRES ON BURNT MILL ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 204 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
- 1872 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
565
WUUS51 KPHI 232055
SVRPHI
NJC005-007-PAC045-091-101-232130-
/O.NEW.KPHI.SV.W.0123.160723T2055Z-160723T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
455 PM EDT SAT JUL 23 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHEASTERN DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 530 PM EDT
* AT 454 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
CONSHOHOCKEN... OR 7 MILES NORTHWEST OF PHILADELPHIA...MOVING
SOUTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...EVESHAM...
MOUNT LAUREL...NORRISTOWN...WILLINGBORO...VOORHEES...LINDENWOLD...
EAST NORRITON...LUMBERTON...BELLMAWR...MOUNT HOLLY...RIVERSIDE...
CONSHOHOCKEN...PALMYRA...AMBLER...JENKINTOWN AND MAGNOLIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3979 7489 4001 7540 4017 7530 4008 7496
4006 7498 4005 7497 4007 7494 4007 7490
4003 7474
TIME...MOT...LOC 2054Z 293DEG 33KT 4007 7526
HAIL...0.75IN
WIND...60MPH
$$
LF1 follow-up statement
174
WWUS51 KPHI 232118
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
518 PM EDT SAT JUL 23 2016
PAC045-232127-
/O.CAN.KPHI.SV.W.0123.000000T0000Z-160723T2130Z/
DELAWARE PA-
518 PM EDT SAT JUL 23 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DELAWARE COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.
LAT...LON 3979 7489 3995 7525 3996 7525 3997 7527
4008 7517 4011 7512 4008 7496 4006 7498
4005 7497 4007 7494 4007 7490 4003 7474
TIME...MOT...LOC 2117Z 293DEG 33KT 3998 7500
$$
NJC005-007-PAC091-101-232130-
/O.CON.KPHI.SV.W.0123.000000T0000Z-160723T2130Z/
CAMDEN NJ-BURLINGTON NJ-MONTGOMERY PA-PHILADELPHIA PA-
518 PM EDT SAT JUL 23 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
MONTGOMERY AND PHILADELPHIA COUNTIES...
AT 517 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PALMYRA...OR
NEAR CAMDEN...MOVING SOUTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...EVESHAM...
MOUNT LAUREL...WILLINGBORO...VOORHEES...LUMBERTON...BELLMAWR...
MOUNT HOLLY...RIVERSIDE...PALMYRA...JENKINTOWN...MAGNOLIA...
BEVERLY...ROCKLEDGE...AUDUBON PARK...
ERLTON-ELLISBURG AND MORRIS PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THIS STORM IS PRODUCING DESTRUCTIVE WINDS. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3979 7489 3995 7525 3996 7525 3997 7527
4008 7517 4011 7512 4008 7496 4006 7498
4005 7497 4007 7494 4007 7490 4003 7474
TIME...MOT...LOC 2117Z 293DEG 33KT 3998 7500
HAIL...0.75IN
WIND...60MPH
$$
LFThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:58 PM EDT | Special Weather Statement | PHI | Chester | 47 min |
| Jul 23, 4:10 PM EDT | Special Weather Statement | PHI | Philadelphia | 50 min |
| Jul 23, 4:12 PM EDT | Heat Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 50 hr |
| Jul 23, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 47 min |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 28 min |
| Jul 23, 5:24 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 51 min |
| Jul 23, 5:10 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 23, 5:43 PM EDT | Special Weather Statement | PHI | Ocean | 62 min |
| Jul 23, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Ocean | 65 min |
| Jul 23, 6:05 PM EDT | Special Marine Warning | PHI | 85 min | |
| Jul 23, 7:11 PM EDT | Special Weather Statement | PHI | Atlantic | 34 min |
| Jul 23, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 27 min |
| Jul 23, 7:23 PM EDT | Special Marine Warning | PHI | 82 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2016Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.