Alert archive / New Jersey / Tornado Warnings in 2021

Tornado Warning 28, NWS Philadelphia/Mount Holly

July 29, 2021Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 29, 2021, 8:39 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 51 min. 4 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 29, 2021, 8:39 PM EDT (00:39 UTC)
Expired
Jul 29, 2021, 9:30 PM EDT
In force
51 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 20 km from the middle of the area, began a volume at 00:43 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

TimeReportWhereRemark
Jul 29, 8:42 PM EDTTORNADO2 Nw Warren Grove, NJA TORNADO TOUCHED DOWN ON THE EVENING OF JULY 29 IN A HEAVILY FORESTED AREA IN THE EASTERN PORTION OF WOODLAND TWP IN SOUTHERN NEW JERSEY. THE START LOCATION IS ESTIMATED TO BE BETWEEN STEVENSON RD, WHERE SURVEY CREWS FOUND NO DAMAGE, AND WHITING RD ABOUT A MI
Jul 29, 9:00 PM EDTTSTM WND DMG2 Ne Warren Grove, NJDOWNED UTILITY POLE AND WIRES BLOCKING NJ ROUTE 72 EASTBOUND NEAR WARREN GROVE ROAD IN BARNEGAT TOWNSHIP.
Jul 29, 9:00 PM EDTTSTM WND DMG2 N Warren Grove, NJUTILITY POLE AND WIRES DOWN BLOCKING NJ ROUTE 72 NEAR WHITING ROAD IN BARNEGAT TOWNSHIP.
Jul 29, 9:12 PM EDTTSTM WND DMG1 Wsw Barnegat Light, NJWIDESPREAD WIND DAMAGE IN HIGH BAR HARBOR. A ROOF WAS TORN OFF A BUILDING, BOATS WERE OVERTURNED, UTILITY POLES WERE TOPPLED AND THERE WAS MUCH DEBRIS ON LOCAL ROADWAYS. A POSSIBLE TORNADO.

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.

IssuedProductOfficeLasted
Jul 29, 2:23 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.7 hours before the alert went out and 173 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2021-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2021-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 381 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
635 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
502 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
381 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
1.3
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

600 
WFUS51 KPHI 300039
TORPHI
NJC005-029-300130-
/O.NEW.KPHI.TO.W.0028.210730T0039Z-210730T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
839 PM EDT Thu Jul 29 2021

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Ocean County in southern New Jersey...
  Southeastern Burlington County in southern New Jersey...

* Until 930 PM EDT.
    
* At 839 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Penn State Forest, or 18 miles southwest of Toms
  River, moving east at 25 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Barnegat, Surf City, Brookville, Warren Grove, Beach Haven West,
  Manahawkin, Ocean Acres and Waretown.

This includes Garden State Parkway between mile markers 63 and 74.
 
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.

&&

LAT...LON 3978 7447 3983 7445 3987 7404 3963 7415
TIME...MOT...LOC 0039Z 280DEG 22KT 3980 7442 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Staarmann
6 follow-up statements
752 
WWUS51 KPHI 300048
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
848 PM EDT Thu Jul 29 2021

NJC005-300058-
/O.CAN.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Burlington NJ-
848 PM EDT Thu Jul 29 2021

...THE TORNADO WARNING FOR SOUTHEASTERN 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 900 PM EDT for southern New
Jersey.

LAT...LON 3963 7415 3974 7437 3983 7440 3984 7435
      3987 7404
TIME...MOT...LOC 0048Z 277DEG 23KT 3979 7434 

$$

NJC029-300130-
/O.CON.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
848 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR CENTRAL
OCEAN COUNTY...
        
At 848 PM EDT, a confirmed tornado was located over Brookville, or 16
miles southwest of Toms River, moving east at 25 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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...
Barnegat, Surf City, Brookville, Warren Grove, Beach Haven West,
Manahawkin, Ocean Acres and Waretown.

This includes Garden State Parkway between mile markers 64 and 74.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado has been confirmed. 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.

&&

LAT...LON 3963 7415 3974 7437 3983 7440 3984 7435
      3987 7404
TIME...MOT...LOC 0048Z 277DEG 23KT 3979 7434 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Staarmann
157 
WWUS51 KPHI 300053
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
853 PM EDT Thu Jul 29 2021

NJC029-300130-
/O.CON.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
853 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR CENTRAL
OCEAN COUNTY...
        
At 853 PM EDT, a confirmed tornado was located over Brookville, or 15
miles southwest of Toms River, moving east at 25 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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...
Barnegat, Surf City, Brookville, Beach Haven West, Manahawkin, Ocean
Acres and Waretown.

This includes Garden State Parkway between mile markers 64 and 74.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado has been confirmed. 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3963 7415 3974 7437 3984 7435 3987 7404
TIME...MOT...LOC 0053Z 274DEG 22KT 3979 7431 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Staarmann
656 
WWUS51 KPHI 300102
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
902 PM EDT Thu Jul 29 2021

NJC029-300130-
/O.CON.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
902 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR CENTRAL
OCEAN COUNTY...
    
At 902 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Barnegat, or 14 miles south of Toms River, moving
east at 30 mph.

HAZARD...Tornado and quarter size hail.

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...
Barnegat, Surf City, Waretown and Ocean Acres. 

This includes Garden State Parkway between mile markers 66 and 74.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3963 7415 3973 7427 3984 7432 3987 7404
TIME...MOT...LOC 0102Z 278DEG 25KT 3978 7419 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Staarmann
345 
WWUS51 KPHI 300108
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
908 PM EDT Thu Jul 29 2021

NJC029-300130-
/O.CON.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
908 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EAST
CENTRAL OCEAN COUNTY...
        
At 908 PM EDT, a confirmed tornado was located near Barnegat, or 16 
miles south of Toms River, moving east at 25 mph. To repeat, a 
waterspout is heading toward Barnegat Light!

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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...
Barnegat, Waretown and Ocean Acres. 

This includes Garden State Parkway between mile markers 68 and 73.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado has been confirmed. 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3971 7411 3966 7414 3972 7424 3983 7429
      3987 7404
TIME...MOT...LOC 0108Z 283DEG 22KT 3975 7416 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Staarmann
489 
WWUS51 KPHI 300117
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
917 PM EDT Thu Jul 29 2021

NJC029-300130-
/O.CON.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
917 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EAST
CENTRAL OCEAN COUNTY...
    
At 917 PM EDT, a severe thunderstorm capable of producing a tornado 
was located over Barnegat Light, or 17 miles south of Toms River, 
moving east at 25 mph.

HAZARD...Tornado and quarter size hail.

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...
Barnegat and Waretown. 

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3985 7405 3971 7411 3967 7413 3968 7414
      3973 7421 3981 7419
TIME...MOT...LOC 0117Z 276DEG 22KT 3976 7408 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Staarmann
593 
WWUS51 KPHI 300121
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
921 PM EDT Thu Jul 29 2021

NJC029-300131-
/O.EXP.KPHI.TO.W.0028.000000T0000Z-210730T0130Z/
Ocean NJ-
921 PM EDT Thu Jul 29 2021

...THE TORNADO WARNING FOR EAST CENTRAL OCEAN COUNTY WILL EXPIRE AT
930 PM EDT...
        
The storm which prompted the warning is moving offshore and out of 
the area. Therefore, the warning will be allowed to expire.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 3985 7405 3971 7411 3967 7413 3968 7414
      3973 7421 3981 7419
TIME...MOT...LOC 0121Z 280DEG 22KT 3976 7405 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 8:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean57 min
Jul 29, 8:03 PM EDTTornado WarningPHIOcean27 min
Jul 29, 8:19 PM EDTFlash Flood WarningPHIBurlington, Monmouth, Ocean4 hr
Jul 29, 8:42 PM EDTTornado WarningPHIMonmouth19 min
Jul 29, 8:43 PM EDTFlash Flood WarningPHIMonmouth, Ocean3 hr
Jul 29, 9:15 PM EDTSpecial Marine WarningPHI2 hr

Nearby

Tornado Warnings in New Jersey, 2021Every tornado warning in 2021Tornadoes in 2021

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.