Alert archive / New Jersey / Tornado Warnings in 2023

Tornado Warning 7, NWS Philadelphia/Mount Holly

April 1, 20234 counties in New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Apr 1, 2023, 7:07 PM EDT for 4 counties in New Jersey. It was in force for 38 min. 17 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, 7:07 PM EDT (23:07 UTC)
Expired: Apr 1, 2023, 7:45 PM EDT
In force: 38 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Burlington County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 23:08 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, 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, 7:08 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, 7:13 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 1	2 Ne North Hanover Twp, NJ	QUARTER SIZED HAIL REPORT RELAYED VIA NWS STORM SURVEY. TIME ESTIMATED FROM RADAR.
Apr 1, 7:21 PM EDT	HAIL 1.5	Allentown, NJ	REPORT FROM MPING: PING PONG BALL (1.50 IN.).
Apr 1, 7:24 PM EDT	TSTM WND DMG	1 S Imlaystown, NJ	TREES AND WIRES DOWN ON DAVIS STATION ROAD IN UPPER FREEHOLD. POSSIBLE TORNADO. TIME ESTIMATED VIA RADAR.
Apr 1, 7:24 PM EDT	TORNADO	3 Se Clarksburg, NJ	A TORNADO FORMED FROM ALONG AN EASTWARD MOVING ROTATING SUPERCELL WITHIN A LINE OF THUNDERSTORMS AND MADE INITIAL TOUCHDOWN NEAR PATTERSON ROAD, OFF OF WEST COMMODORE ROAD, IN JACKSON TOWNSHIP AND CONTINUED EAST FOR APPROXIMATELY A 3/4 MILE LONG AND 200 YARD W
Apr 1, 7:29 PM EDT	TSTM WND DMG	1 W Jackson, NJ	A PATH OF TREE DAMAGE INCLUDING TREES SNAPPED AND SHED MOVED.
Apr 1, 7:30 PM EDT	TSTM WND DMG	1 Sw Howell, NJ	PICTURES OF SIGNIFICANT TREE DAMAGE AROUND HOWELL WITH REPORTS OF POWER OUTAGES AND WIRES DOWNED. POSSIBLE TORNADO. TIME ESTIMATED VIA RADAR.
Apr 1, 7:32 PM EDT	TSTM WND DMG	2 Ssw Howell, NJ	REPORT OF GAZEBO LIFTED FROM PORCH. TORNADO POSSIBLE. TIME ESTIMATED VIA RADAR.
Apr 1, 7:33 PM EDT	TSTM WND DMG	Howell, NJ	PICTURES OF LARGE TREES DOWNED ON LAKE DRIVE AND ALDRICH DRIVE IN HOWELL. POSSIBLE TORNADO. TIME ESTIMATED VIA RADAR.
Apr 1, 7:33 PM EDT	HAIL 1	2 Wsw Lakewood Twp, NJ
Apr 1, 7:33 PM EDT	TORNADO	2 Nne Jackson, NJ	A TORNADO FORMED FROM ALONG AN EASTWARD MOVING ROTATING SUPERCELL WITHIN A LINE OF THUNDERSTORMS AND MADE INITIAL TOUCHDOWN NEAR PATTERSON ROAD, OFF OF WEST COMMODORE ROAD, IN JACKSON TOWNSHIP AND CONTINUED EAST FOR APPROXIMATELY A 3/4 MILE LONG AND 200 YARD W
Apr 1, 7:38 PM EDT	TSTM WND GST 58	5 W Lakehurst, NJ

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, 11.1 hours before the alert went out and 164 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.

537 
WFUS51 KPHI 012307
TORPHI
NJC005-021-025-029-012345-
/O.NEW.KPHI.TO.W.0007.230401T2307Z-230401T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
707 PM EDT Sat Apr 1 2023

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northwestern Ocean County in southern New Jersey...
  Southeastern Mercer County in central New Jersey...
  Northern Burlington County in southern New Jersey...
  Southwestern Monmouth County in central New Jersey...

* Until 745 PM EDT.

* At 707 PM EDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Crosswicks, or near Trenton, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Toms River, Lakewood, Jackson, Bordentown, Lakehurst, Allentown,
  Roosevelt, Windsor, Six Flags Theme Park, Cedar Glen West, Jacksons
  Mills, West Freehold, Cassville, Adelphia, Clarksburg, Vista
  Center, Edinburg, Crosswicks, White Horse and Woodruff.

This includes the following highways...
 New Jersey Turnpike between exits 7 and 8.
 Interstate 195 in New Jersey between mile markers 0 and 28.
 Interstate 295 in New Jersey between mile markers 55 and 65.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3996 7428 4011 7474 4014 7473 4015 7472
      4016 7473 4026 7471 4025 7419
TIME...MOT...LOC 2307Z 280DEG 35KT 4017 7467 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

2 follow-up statements

831 
WWUS51 KPHI 012318
SVSPHI

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

NJC005-012328-
/O.CAN.KPHI.TO.W.0007.000000T0000Z-230401T2345Z/
Burlington NJ-
718 PM EDT Sat Apr 1 2023

...THE TORNADO WARNING FOR NORTHERN BURLINGTON COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. Therefore, the warning has been 
cancelled.

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

LAT...LON 4002 7426 4006 7454 4013 7459 4025 7456
      4025 7419
TIME...MOT...LOC 2318Z 271DEG 39KT 4016 7450 

$$

NJC021-025-029-012345-
/O.CON.KPHI.TO.W.0007.000000T0000Z-230401T2345Z/
Ocean NJ-Mercer NJ-Monmouth NJ-
718 PM EDT Sat Apr 1 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
NORTHWESTERN OCEAN...SOUTHEASTERN MERCER AND SOUTHWESTERN MONMOUTH
COUNTIES...

At 718 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Imlaystown, or 14 miles east of Trenton, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Toms River, Lakewood, Jackson, Roosevelt, Cassville, Adelphia,
Clarksburg, Vista Center, Woodruff, Six Flags Theme Park, Imlaystown,
Cream Ridge, Cedar Glen West, Freewood Acres, Jacksons Mills, West
Freehold, Freehold, New Egypt and Leisure Knoll.

This includes Interstate 195 in New Jersey between mile markers 9 and
28.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4002 7426 4006 7454 4013 7459 4025 7456
      4025 7419
TIME...MOT...LOC 2318Z 271DEG 39KT 4016 7450 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

212 
WWUS51 KPHI 012339 RRA
SVSPHI

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

NJC021-025-029-012349-
/O.EXP.KPHI.TO.W.0007.000000T0000Z-230401T2345Z/
Ocean NJ-Mercer NJ-Monmouth NJ-
739 PM EDT Sat Apr 1 2023

...THE TORNADO WARNING FOR NORTHWESTERN OCEAN...SOUTHEASTERN MERCER
AND SOUTHWESTERN MONMOUTH COUNTIES WILL EXPIRE AT 745 PM EDT...
        
The tornado producing storm which prompted the warning has moved out 
of the area. Therefore, the warning will be allowed to expire.

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

LAT...LON 4002 7426 4006 7454 4013 7459 4025 7456
      4025 7419
TIME...MOT...LOC 2339Z 280DEG 35KT 4013 7425 

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Warren	67 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, 6:37 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth	53 min
Apr 1, 6:39 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Cumberland, Gloucester, Salem	51 min
Apr 1, 6:45 PM EDT	Tornado Warning	PHI	Burlington, Mercer	30 min
Apr 1, 6:57 PM EDT	Tornado Warning	PHI	Burlington, Camden	33 min
Apr 1, 7:05 PM EDT	Special Marine Warning	PHI		55 min
Apr 1, 7:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 2 more	64 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

Tornado Warnings in New Jersey, 2023 Every tornado warning in 2023 Tornadoes 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.