Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 11, NWS Philadelphia/Mount Holly

April 1, 20235 counties in Pennsylvania; 6 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2023, 6:37 PM EDT for 5 counties in Pennsylvania; 6 counties in New Jersey. It was in force for 53 min. 45 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: Apr 1, 2023, 6:37 PM EDT (22:37 UTC)
Expired: Apr 1, 2023, 7:30 PM EDT
In force: 53 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 22:40 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
Apr 1, 6:40 PM EDT	TSTM WND DMG	1 Sw Whitemarsh Twp, PA	LARGE TREE DOWN ON BARREN HILL ROAD JUST WEST OF RIDGE PIKE.
Apr 1, 6:42 PM EDT	TSTM WND DMG	1 Ne King Of Prussia, PA	US-422 CLOSED IN BOTH DIRECTIONS BETWEEN THE PA-23 BRIDGEPORT AND PA 363 AT AUDUBON EXITS IN UPPER MERION TOWNSHIP, MONTGOMERY COUNTY DUE TO DOWNED UTILITY LINES. TIME ESTIMATED VIA RADAR.
Apr 1, 6:43 PM EDT	HAIL 0.5	1 W King Of Prussia, PA	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 6:44 PM EDT	TSTM WND DMG	1 Ssw Whitemarsh Twp, PA	REPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF. TIME CORRECTED BASED ON RADAR.
Apr 1, 6:46 PM EDT	HAIL 0.5	1 S King Of Prussia, PA	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 6:46 PM EDT	TORNADO	1 S Wrightstown Twp, PA	SEVERAL TREES WERE UPROOTED AND SNAPPED ON THE SOUTH SIDE OF WRIGHTSTOWN TOWNSHIP. AS THE TORNADO PROGRESSED SOUTHEAST NEAR SWAMP ROAD ADDITIONAL TREE DAMAGE OCCURRED IN RESIDENTIAL AREAS AS WELL AS ON THE BUCKS COUNTY COMMUNITY COLLEGE CAMPUS. THE MAXIMUM EST
Apr 1, 6:48 PM EDT	TSTM WND DMG	1 Wnw Chestnut Hill, PA	LARGE TREE DOWNED BLOCKING BELLS MILL ROAD IN ANDORRA SECTION OF PHILADELPHIA COUNTY. TIME ESTIMATED VIA RADAR.
Apr 1, 6:49 PM EDT	TSTM WND GST 68	Lower Moreland Twp, PA
Apr 1, 6:51 PM EDT	TSTM WND DMG	Langhorne, PA	PICTURES OF TREES AND FENCING DOWN IN LANGHORNE, PA. TIME ESTIMATED VIA RADAR.
Apr 1, 6:54 PM EDT	HAIL 1	Lower Makefield Twp, PA	PICTURE OF QUARTER SIZED HAIL IN LOWER MAKEFIELD TOWNSHIP. TIME ESTIMATED VIA RADAR.
Apr 1, 6:54 PM EDT	HAIL 1	Morrisville, PA	QUARTER SIZED HAIL PICTURES FROM TRAINED SPOTTER.
Apr 1, 6:55 PM EDT	TSTM WND DMG	Riverton, NJ	STRONG DOWNBURST WINDS ACROSS PARTS OF PALMYRA, RIVERTON, AND CINNAMINSON PRECEDED THE TORNADO THAT FORMED AND IMPACTED CINNAMINSON, DELRAN, AND MOORESTOWN. NUMEROUS TREES WERE UPROOTED OR SNAPPED BEGINNING NEAR THE INTERSECTION OF EAST BROAD STREET AND ELM AV
Apr 1, 6:58 PM EDT	TSTM WND DMG	2 Nne Ewing, NJ	REPORT OF LARGE TREE DOWN BLOCKING THE OFFRAMP ON I-295 TO ROUTE 31. TIME ESTIMATED VIA RADAR.
Apr 1, 6:59 PM EDT	TORNADO	1 Ese Riverton, NJ	SURVEY SUMMARY: A TORNADO FORMED ALONG A LINE OF THUNDERSTORMS AND MADE INITIAL TOUCHDOWN IN CINNAMINSON, NJ, NEAR THE INTERSECTION OF RIVERTON ROAD AND WOODSIDE LANE WHERE MULTIPLE TREES WERE SNAPPED AND UPROOTED. IT THEN TRAVELED EAST-SOUTHEAST TOWARDS CINNA
Apr 1, 7:01 PM EDT	HAIL 0.5	1 N Yardley, NJ	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:02 PM EDT	HAIL 0.5	2 W Northeast Philadelp, PA	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:04 PM EDT	TSTM WND DMG	2 S Rancocas, NJ	A FEW SMALL TREES UPROOTED AND SECTIONS OF VINYL FENCING BLOWN OUT. LIKELY FROM THE RFD OF THE UPSTREAM TORNADO. TIME ESTIMATED FROM RADAR.
Apr 1, 7:05 PM EDT	TSTM WND DMG	1 E New Albany, NJ	LARGE AMOUNT OF TREE DAMAGE FROM RIVERTON COUNTRY CLUB ALONG A STRAIGHT LINE TO PARRY ROAD, TENBY CHASE DRIVE, AND HAINES MILL ROAD IN DELRAN. TORNADO POSSIBLE. TIME ESTIMATED VIA RADAR.
Apr 1, 7:05 PM EDT	TSTM WND GST 60	Moorestown, NJ
Apr 1, 7:06 PM EDT	TSTM WND DMG	2 Ese Bordentown Twp, NJ	LARGE PINE TREE UPROOTED AT A RESIDENCE ALONG OLD YORK ROAD. TIME ESTIMATED FROM RADAR.
Apr 1, 7:06 PM EDT	TSTM WND DMG	2 Ese Trenton, NJ	PICTURES OF LARGE TREES DOWNED ON LALOR STREET IN HAMILTON, NJ. TIME ESTIMATED VIA RADAR.
Apr 1, 7:06 PM EDT	TSTM WND GST 65	1 Wnw Burlington, NJ	TIME ESTIMATED VIA RADAR.
Apr 1, 7:06 PM EDT	HAIL 1	Mercerville, NJ	TIME ESTIMATED VIA RADAR.
Apr 1, 7:07 PM EDT	TSTM WND DMG	2 S Yardville, NJ	NWS STORM SURVEY FOUND SIGNIFICANT STRAIGHT LINE WIND DAMAGE ALONG WARD AVENUE BETWEEN BORDENTOWN AND CROSSWICKS NEAR THE GARDEN STATE YOUTH CORRECTIONS FACILITY. NUMEROUS TREES AND POWER POLES WERE SNAPPED IN THIS AREA.
Apr 1, 7:07 PM EDT	TSTM WND GST 62	Philadelphia Internatio, PA
Apr 1, 7:08 PM EDT	TSTM WND DMG	1 E New Albany, NJ	PICTURES OF TREES AND FENCES DOWNED. TIME ESTIMATED VIA RADAR.
Apr 1, 7:08 PM EDT	TSTM WND DMG	2 N Chesterfield, NJ	NWS STORM SURVEY FOUND SUBSTANTIAL STRAIGHT LINE WIND DAMAGE WITHIN A ROUGHLY 2 MILE SWATH NEAR AND SOUTH OF CROSSWICKS EXTENDING EAST AND EVENTUALLY IMPACTING ELLISDALE CROSSWICKS ROAD. SEVERAL TREES SNAPPED OR UPROOTED IN THIS AREA. THIS WAS DETERMINED TO BE
Apr 1, 7:08 PM EDT	TORNADO	2 Sse Yardville, NJ	AFTER A STRAIGHT LINE WIND EVENT UPSTREAM TOWARD BORDENTOWN ALONG WARD AVENUE, A QLCS TORNADO DEVELOPED IN THE VILLAGE OF CROSSWICKS AROUND 7:08 PM EDT. MUCH OF THE DAMAGE IN CROSSWICKS WAS PRIMARILY TREE DAMAGE WITH NUMEROUS TREES UPROOTED OR SNAPPED. ADDITIO
Apr 1, 7:10 PM EDT	TSTM WND GST 71	Yardville, NJ
Apr 1, 7:10 PM EDT	HAIL 0.5	Green Ridge, PA	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:10 PM EDT	HAIL 1	Ewing, NJ	QUARTER SIZED HAIL IN EWING FROM TRAINED SPOTTER. TIME GIVEN IN REPORT.
Apr 1, 7:11 PM EDT	HAIL 0.5	Fellowship, NJ	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:12 PM EDT	TSTM WND DMG	1 Ne Cinnaminson, NJ	LARGE AMOUNT OF TREES DOWN IN THE NEIGHBORHOOD AROUND LOCUST LANE. TIME ESTIMATED VIA RADAR.
Apr 1, 7:12 PM EDT	TSTM WND DMG	Cinnaminson, NJ	TREES BLOCKING RIVERTON ROAD. TIME ESTIMATED VIA RADAR.
Apr 1, 7:13 PM EDT	TSTM WND DMG	1 N North Hanover Twp, NJ	NWS STORM SURVEY FOUND STRAIGHT LINE WIND DAMAGE ALONG POLHEMUSTOWN ROAD AND ALONG ELLISDALE ROAD NEARBY. THIS DAMAGE WAS SOUTH OF THE TORNADIC CIRCULATION WITHIN THE REAR FLANK DOWNDRAFT REGION. TIME ESTIMATED FROM RADAR.
Apr 1, 7:14 PM EDT	TORNADO	2 Nne North Hanover Twp, NJ	A NEW QLCS TORNADO DEVELOPED JUST WEST OF A NEIGHBORHOOD ON WALNFORD ROAD SOUTHEAST OF ALLENTOWN. THE MOST SIGNIFICANT DAMAGE FROM THE TORNADO OCCURRED TO PROPERTIES WITHIN THE NEIGHBORHOOD, ESPECIALLY THOSE ALONG AN OPEN FIELD TO THE SOUTHEAST. THE TORNADO WA
Apr 1, 7:16 PM EDT	HAIL 0.5	1 E King Of Prussia, PA
Apr 1, 7:16 PM EDT	HAIL 0.5	1 E Lawndale, PA
Apr 1, 7:16 PM EDT	HAIL 1	2 Ne North Hanover Twp, NJ	QUARTER SIZED HAIL REPORT RELAYED VIA NWS STORM SURVEY. TIME ESTIMATED FROM RADAR.
Apr 1, 7:18 PM EDT	TSTM WND DMG	1 Nne Ellisburg, NJ	TREES DOWNED ON SPRINGDALE ROAD NEAR CHURCH ROAD AND ROUTE 70.
Apr 1, 7:21 PM EDT	HAIL 0.5	1 E Lumberton Twp, NJ	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:21 PM EDT	HAIL 1.5	Allentown, NJ	REPORT FROM MPING: PING PONG BALL (1.50 IN.).
Apr 1, 7:23 PM EDT	HAIL 0.5	1 Sw Vincentown, NJ	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 1, 7:26 PM EDT	HAIL 0.75	2 Se Eastampton Twp, NJ	REPORT FROM MPING: DIME (0.75 IN.).
Apr 1, 7:30 PM EDT	HAIL 0.75	1 Sw Pitman, NJ	REPORT FROM MPING: DIME (0.75 IN.).

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 1, 5:30 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.6 hours before the alert went out and 185 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2079 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

799 
WUUS51 KPHI 012237
SVRPHI
NJC005-007-015-021-023-025-PAC017-029-045-091-101-012330-
/O.NEW.KPHI.SV.W.0011.230401T2237Z-230401T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
637 PM EDT Sat Apr 1 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Camden County in southern New Jersey...
  Mercer County in central New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  Northwestern Burlington County in southern New Jersey...
  West central Monmouth County in central New Jersey...
  Southwestern Middlesex County in northern New Jersey...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Southeastern Bucks County in southeastern Pennsylvania...
  East central Chester County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 730 PM EDT.

* At 637 PM EDT, severe thunderstorms were located along a line
  extending from Doylestown to Plymouth Meeting to near West Chester,
  moving east at 50 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Philadelphia, Trenton, Camden, West Chester, Gloucester City,
  Cherry Hill, Bensalem, Evesham, Mount Laurel, Ewing, Norristown,
  Chester, Willingboro, Deptford, Voorhees, Medford, West Deptford,
  Glassboro, Lindenwold and Lansdale.

This includes the following highways...
 New Jersey Turnpike between exits 2 and 8A.
 Pennsylvania Turnpike between mile markers 317 and 359.
 Northeast Extension between mile markers 21 and 30.
 Interstate 95 in Pennsylvania between mile markers 1 and 40.
 Interstate 76 in Pennsylvania between mile markers 327 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 12.
 Interstate 295 in New Jersey between mile markers 13 and 76.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 0 and 19.
 Atlantic City Expressway between mile markers 41 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.

&&

LAT...LON 3988 7480 3968 7511 3995 7573 4043 7511
      4040 7496 4034 7494 4035 7486 4038 7486
      4033 7461 4028 7449 4025 7448 4028 7439
TIME...MOT...LOC 2237Z 282DEG 42KT 4031 7510 4013 7530 3993 7561 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

2 follow-up statements

574 
WWUS51 KPHI 012301
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
701 PM EDT Sat Apr 1 2023

PAC029-012311-
/O.CAN.KPHI.SV.W.0011.000000T0000Z-230401T2330Z/
Chester PA-
701 PM EDT Sat Apr 1 2023

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHESTER COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.

LAT...LON 3989 7479 3968 7511 3988 7557 4036 7495
      4034 7494 4035 7486 4038 7486 4038 7482
      4033 7461 4029 7450 4025 7448 4027 7439
TIME...MOT...LOC 2301Z 282DEG 43KT 4025 7476 4005 7494 3988 7528 

$$

NJC005-007-015-021-023-025-PAC017-045-091-101-012330-
/O.CON.KPHI.SV.W.0011.000000T0000Z-230401T2330Z/
Camden NJ-Mercer NJ-Gloucester NJ-Burlington NJ-Monmouth NJ-
Middlesex NJ-Montgomery PA-Bucks PA-Philadelphia PA-Delaware PA-
701 PM EDT Sat Apr 1 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN CAMDEN...MERCER...NORTHWESTERN GLOUCESTER...
NORTHWESTERN BURLINGTON...WEST CENTRAL MONMOUTH...SOUTHWESTERN
MIDDLESEX...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...
PHILADELPHIA AND DELAWARE COUNTIES...

At 701 PM EDT, severe thunderstorms were located along a line
extending from Trenton to Riverside to Folcroft, moving east at 50
mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Philadelphia, Trenton, Camden, Gloucester City, Cherry Hill,
Bensalem, Evesham, Mount Laurel, Ewing, Chester, Willingboro,
Deptford, Voorhees, Medford, West Deptford, Glassboro, Lindenwold,
Lumberton, Princeton and Florence.

This includes the following highways...
 New Jersey Turnpike between exits 2 and 8A.
 Pennsylvania Turnpike between mile markers 335 and 359.
 Interstate 95 in Pennsylvania between mile markers 1 and 40.
 Interstate 76 in Pennsylvania between mile markers 331 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 12.
 Interstate 295 in New Jersey between mile markers 13 and 76.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 0 and 16.
 Atlantic City Expressway between mile markers 42 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3989 7479 3968 7511 3988 7557 4036 7495
      4034 7494 4035 7486 4038 7486 4038 7482
      4033 7461 4029 7450 4025 7448 4027 7439
TIME...MOT...LOC 2301Z 282DEG 43KT 4025 7476 4005 7494 3988 7528 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

087 
WWUS51 KPHI 012320
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
720 PM EDT Sat Apr 1 2023

PAC045-091-101-012329-
/O.CAN.KPHI.SV.W.0011.000000T0000Z-230401T2330Z/
Montgomery PA-Philadelphia PA-Delaware PA-
720 PM EDT Sat Apr 1 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY...
PHILADELPHIA AND DELAWARE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central and northern New Jersey...and southeastern Pennsylvania.

LAT...LON 3989 7479 3968 7511 3977 7532 4008 7486
      4034 7463 4029 7450 4025 7448 4026 7439
TIME...MOT...LOC 2319Z 281DEG 42KT 4021 7451 4001 7469 3978 7506 

$$

NJC005-007-015-021-023-025-PAC017-012330-
/O.CON.KPHI.SV.W.0011.000000T0000Z-230401T2330Z/
Camden NJ-Mercer NJ-Gloucester NJ-Burlington NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-
720 PM EDT Sat Apr 1 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN CAMDEN...SOUTHEASTERN MERCER...NORTHWESTERN
GLOUCESTER...NORTHWESTERN BURLINGTON...SOUTHWESTERN MONMOUTH...
SOUTHWESTERN MIDDLESEX AND SOUTHEASTERN BUCKS COUNTIES...

At 719 PM EDT, severe thunderstorms were located along a line
extending from near Roosevelt to Jobstown to Turnersville, moving 
east at 50 mph. The Philadelphia International Airport measured a 63 
mph wind gust.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Trenton, Camden, Gloucester City, Cherry Hill, Evesham, Mount Laurel,
Manalapan, Willingboro, Deptford, Voorhees, Medford, West Deptford,
Glassboro, Lindenwold, Lumberton, Florence, Bellmawr, Woodbury,
Burlington and Bristol.

This includes the following highways...
 New Jersey Turnpike between exits 2 and 8A.
 Interstate 76 in New Jersey between mile markers 0 and 2.
 Interstate 195 in New Jersey between mile markers 0 and 13.
 Interstate 295 in New Jersey between mile markers 18 and 66.
 Interstate 676 in New Jersey near mile marker 0.
 Atlantic City Expressway between mile markers 42 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for southern,
central and northern New Jersey...and southeastern Pennsylvania.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3989 7479 3968 7511 3977 7532 4008 7486
      4034 7463 4029 7450 4025 7448 4026 7439
TIME...MOT...LOC 2319Z 281DEG 42KT 4021 7451 4001 7469 3978 7506 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 1, 5:27 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Northampton	48 min
Apr 1, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	67 min
Apr 1, 6:04 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery	56 min
Apr 1, 6:33 PM EDT	Tornado Warning	PHI	Chester	27 min
Apr 1, 6:39 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Chester, Delaware	51 min
Apr 1, 6:45 PM EDT	Tornado Warning	PHI	Bucks	30 min
Apr 1, 6:57 PM EDT	Tornado Warning	PHI	Philadelphia	33 min
Apr 1, 7:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Philadelphia	64 min
Apr 1, 6:18 PM EDT	Special Marine Warning	PHI		87 min
Apr 1, 6:18 PM EDT	Special Weather Statement	PHI	Morris	42 min
Apr 1, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	44 min
Apr 1, 7:05 PM EDT	Special Marine Warning	PHI		55 min
Apr 1, 7:07 PM EDT	Tornado Warning	PHI	Burlington, Mercer, Monmouth, Ocean	38 min
Apr 1, 7:24 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Cape May, Cumberland, Gloucester, Salem	51 min
Apr 1, 7:26 PM EDT	Special Marine Warning	PHI		64 min
Apr 1, 7:27 PM EDT	Special Marine Warning	PHI		93 min
Apr 1, 7:31 PM EDT	Tornado Warning	PHI	Monmouth, Ocean	29 min
Apr 1, 7:33 PM EDT	Tornado Warning	PHI	Burlington, Ocean	27 min
Apr 1, 7:47 PM EDT	Special Marine Warning	PHI		88 min
Apr 1, 7:52 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	38 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2023 Severe Thunderstorm Warnings in Pennsylvania, 2023 Every severe thunderstorm warning in 2023

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.