Alert archive / New Jersey / Tornado Warnings in 2020
Tornado Warning 26, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 4, 2020, 10:15 AM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2020, 10:15 AM EDT (14:15 UTC)
- Expired
- Aug 4, 2020, 10:29 AM EDT
- In force
- 14 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 14:16 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 4, 7:23 AM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.3 hours before the alert went out and 194 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
- 1593 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.4
The text
As transmitted.
724
WFUS51 KPHI 041415
TORPHI
NJC001-005-029-041445-
/O.NEW.KPHI.TO.W.0026.200804T1415Z-200804T1445Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
1015 AM EDT Tue Aug 4 2020
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
East central Atlantic County in southern New Jersey...
South central Ocean County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until 1045 AM EDT.
* At 1014 AM EDT, a severe thunderstorm capable of producing a
tornado was located over Brigantine, or near Atlantic City, moving
north at 65 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...
Atlantic City, Brigantine, Tuckerton, Port Republic, Brookville,
Warren Grove, Bass River State Forest, Chatsworth, New Gretna, Penn
State Forest, Mystic Island and Ocean Acres.
This includes Garden State Parkway between mile markers 48 and 63.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
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 3935 7431 3935 7442 3984 7455 3987 7427
TIME...MOT...LOC 1414Z 174DEG 58KT 3940 7435
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
SFJ2 follow-up statements
308
WWUS51 KPHI 041424
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1024 AM EDT Tue Aug 4 2020
NJC001-005-029-041445-
/O.CON.KPHI.TO.W.0026.000000T0000Z-200804T1445Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1024 AM EDT Tue Aug 4 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT FOR EAST
CENTRAL ATLANTIC...SOUTH CENTRAL OCEAN AND SOUTHEASTERN BURLINGTON
COUNTIES...
At 1024 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Port Republic, or 10 miles north of Atlantic City,
moving north at 60 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Tuckerton, Port Republic, Brookville, Warren Grove, Bass River State
Forest, Chatsworth, New Gretna, Penn State Forest, Mystic Island and
Ocean Acres.
This includes Garden State Parkway between mile markers 48 and 62.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3948 7432 3946 7445 3984 7455 3987 7427
TIME...MOT...LOC 1424Z 171DEG 53KT 3953 7439
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
SFJ644
WWUS51 KPHI 041429
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1029 AM EDT Tue Aug 4 2020
NJC001-005-029-041439-
/O.CAN.KPHI.TO.W.0026.000000T0000Z-200804T1445Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1029 AM EDT Tue Aug 4 2020
...THE TORNADO WARNING FOR EAST CENTRAL ATLANTIC...SOUTH CENTRAL
OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM EDT for southern New
Jersey.
LAT...LON 3948 7432 3946 7445 3984 7455 3987 7427
TIME...MOT...LOC 1427Z 174DEG 58KT 3962 7440
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:07 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset, Warren | 23 min |
| Aug 3, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 34 min |
| Aug 3, 9:02 PM EDT | Special Weather Statement | PHI | Morris | 28 min |
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem and 1 more | 4 hr |
| Aug 4, 5:55 AM EDT | Special Marine Warning | PHI | 21 min | |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Aug 4, 8:38 AM EDT | Special Marine Warning | PHI | 52 min | |
| Aug 4, 9:16 AM EDT | Tornado Warning | PHI | Cumberland | 18 min |
| Aug 4, 9:28 AM EDT | Special Marine Warning | PHI | 32 min | |
| Aug 4, 9:31 AM EDT | Special Marine Warning | PHI | 59 min | |
| Aug 4, 9:42 AM EDT | Tornado Warning | PHI | Atlantic, Cape May | 19 min |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 4 hr |
| Aug 4, 10:20 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Aug 4, 11:00 AM EDT | Tornado Warning | PHI | Monmouth, Ocean | 11 min |
| Aug 4, 11:01 AM EDT | Flash Flood Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 4 hr |
| Aug 4, 11:13 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 4 hr |
| Aug 4, 11:43 AM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Aug 4, 11:59 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 4 hr |
| Aug 4, 2:33 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 5 hr |
| Aug 4, 2:47 PM EDT | Areal Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset, Warren | 9 hr |
| Aug 4, 3:42 PM EDT | Areal Flood Warning | PHI | Warren | 4 hr |
| Aug 4, 4:37 PM EDT | Areal Flood Warning | PHI | Cumberland, Salem | 10 hr |
| Aug 4, 5:04 PM EDT | Small Craft Advisory | PHI | 14 hr | |
| Aug 4, 5:30 PM EDT | Coastal Flood Statement | PHI | Ocean | 103 min |
Nearby
Tornado Warnings in New Jersey, 2020Every tornado warning in 2020Tornadoes in 2020
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.