Alert archive / New Jersey / Tornado Warnings in 2021
Tornado Warning 43, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Sep 1, 2021, 5:57 PM EDT for Gloucester County, Salem County, New Jersey. It was in force for 33 min. 3 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
- Sep 1, 2021, 5:57 PM EDT (21:57 UTC)
- Expired
- Sep 1, 2021, 6:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 22:00 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 |
|---|---|---|---|
| Sep 1, 6:10 PM EDT | TORNADO | 1 Se Harrisonville, NJ | *** 2 INJ *** CORRECTS PREVIOUS TORNADO REPORT FROM 1 SE HARRISONVILLE. THE TORNADO TOUCHED DOWN NEAR HARRISONVILLE, NJ DOING MOSTLY DAMAGE TO TREES AND LIMBS BEFORE STRENGTHENING AND MOVING NORTHEAST. AS IT MOVED TO THE NORTHEAST, IT CROSSED INTO THE CEDAR GR |
| Sep 1, 6:21 PM EDT | TORNADO | 1 Ene Mullica Hill, NJ | SIGNIFICANT DAMAGE IN THE MULLICA HILL AREA INCLUDING SEVERAL HOMES DAMAGED AND TREES DOWN ON CEDAR ROAD. TIME ESTIMATED FROM RADAR. |
| Sep 1, 6:27 PM EDT | TSTM WND DMG | Wenonah, NJ | FUNNEL CLOUD SPOTTED AND DAMAGE REPORTED IN WENONAH. POSSIBLY DUE TO A TORNADO. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.0 hours before the alert went out and 198 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
- 515 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 955 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted.
870
WFUS51 KPHI 012157
TORPHI
NJC015-033-012230-
/O.NEW.KPHI.TO.W.0043.210901T2157Z-210901T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
557 PM EDT Wed Sep 1 2021
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
Central Salem County in southern New Jersey...
Central Gloucester County in southern New Jersey...
* Until 630 PM EDT.
* At 557 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Alloway, or 12 miles northwest of Bridgeton,
moving northeast 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...
Glassboro, Pitman, Paulsboro, Salem, Woodstown, Alloway, Quinton,
Swedesboro, Beckett, Mullica Hill, Gibbstown, Turnersville, Wenonah
and Oak Valley.
This includes the following highways...
New Jersey Turnpike between exits 1 and 2.
Interstate 295 in New Jersey between mile markers 11 and 18.
Atlantic City Expressway near mile marker 43.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3985 7532 3977 7504 3975 7503 3948 7535
3953 7547
TIME...MOT...LOC 2157Z 214DEG 35KT 3956 7538
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Staarmann3 follow-up statements
105
WWUS51 KPHI 012205
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
605 PM EDT Wed Sep 1 2021
NJC015-033-012230-
/O.CON.KPHI.TO.W.0043.000000T0000Z-210901T2230Z/
Salem NJ-Gloucester NJ-
605 PM EDT Wed Sep 1 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL
SALEM AND CENTRAL GLOUCESTER COUNTIES...
At 605 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Woodstown, or 13 miles southeast of Wilmington,
moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Glassboro, Pitman, Paulsboro, Woodstown, Alloway, Swedesboro, Mullica
Hill, Gibbstown, Turnersville, Beckett, Wenonah and Oak Valley.
This includes the following highways...
New Jersey Turnpike near exit 2.
Interstate 295 in New Jersey between mile markers 12 and 18.
Atlantic City Expressway near mile marker 43.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3954 7532 3958 7541 3983 7533 3985 7532
3977 7504 3975 7503 3972 7507
TIME...MOT...LOC 2205Z 214DEG 35KT 3962 7532
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Staarmann621
WWUS51 KPHI 012217
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
617 PM EDT Wed Sep 1 2021
NJC033-012227-
/O.CAN.KPHI.TO.W.0043.000000T0000Z-210901T2230Z/
Salem NJ-
617 PM EDT Wed Sep 1 2021
...THE TORNADO WARNING FOR CENTRAL SALEM 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 New
Jersey.
LAT...LON 3965 7518 3967 7520 3966 7523 3967 7525
3968 7525 3968 7529 3969 7530 3969 7531
3983 7526 3978 7506 3975 7503
TIME...MOT...LOC 2217Z 214DEG 34KT 3971 7524
$$
NJC015-012230-
/O.CON.KPHI.TO.W.0043.000000T0000Z-210901T2230Z/
Gloucester NJ-
617 PM EDT Wed Sep 1 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL
GLOUCESTER COUNTY...
At 617 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mullica Hill, or 14 miles southwest of Gloucester
City, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Glassboro, Pitman, Paulsboro, Mullica Hill, Turnersville, Gibbstown,
Wenonah and Oak Valley.
This includes the following highways...
New Jersey Turnpike near exit 2.
Interstate 295 in New Jersey between mile markers 17 and 18.
Atlantic City Expressway near mile marker 43.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3965 7518 3967 7520 3966 7523 3967 7525
3968 7525 3968 7529 3969 7530 3969 7531
3983 7526 3978 7506 3975 7503
TIME...MOT...LOC 2217Z 214DEG 34KT 3971 7524
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Staarmann293
WWUS51 KPHI 012222
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
622 PM EDT Wed Sep 1 2021
NJC015-012232-
/O.EXP.KPHI.TO.W.0043.000000T0000Z-210901T2230Z/
Gloucester NJ-
622 PM EDT Wed Sep 1 2021
...THE TORNADO WARNING FOR CENTRAL GLOUCESTER COUNTY WILL EXPIRE AT
630 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1000 PM EDT for southern New
Jersey.
LAT...LON 3965 7518 3967 7520 3966 7523 3967 7525
3968 7525 3968 7529 3969 7530 3969 7531
3983 7526 3978 7506 3975 7503
TIME...MOT...LOC 2222Z 214DEG 35KT 4025 7499
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 3:23 AM EDT | Gale Warning | PHI | 32 hr | |
| Sep 1, 3:23 AM EDT | Small Craft Advisory | PHI | 41 hr | |
| Sep 1, 4:34 AM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 39 hr |
| Sep 1, 7:58 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 47 min |
| Sep 1, 8:39 AM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 39 min |
| Sep 1, 9:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Sep 1, 11:24 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Sep 1, 4:04 PM EDT | Areal Flood Warning | PHI | Warren | 24 hr |
| Sep 1, 4:12 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 7 hr |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Morris, Somerset | 6 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 8 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 6 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Passaic | 21 days |
| Sep 1, 4:33 PM EDT | River Flood Warning | PHI | Morris, Passaic | 46 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 36 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Somerset | 22 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 42 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 48 hr |
| Sep 1, 4:41 PM EDT | River Flood Warning | PHI | Somerset | 61 hr |
| Sep 1, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 47 min |
| Sep 1, 5:26 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 9 hr |
| Sep 1, 5:33 PM EDT | Special Marine Warning | PHI | 27 min | |
| Sep 1, 5:34 PM EDT | Tornado Warning | PHI | Mercer | 26 min |
| Sep 1, 5:35 PM EDT | Tornado Warning | PHI | Cumberland, Salem | 25 min |
| Sep 1, 5:42 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Warren | 10 hr |
| Sep 1, 5:57 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer, Somerset | 33 min |
| Sep 1, 6:05 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 10 hr |
| Sep 1, 6:08 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 6 hr |
| Sep 1, 6:14 PM EDT | Special Marine Warning | PHI | 61 min | |
| Sep 1, 6:20 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer, Somerset | 40 min |
| Sep 1, 6:22 PM EDT | Tornado Warning | PHI | Burlington, Camden, Gloucester | 23 min |
| Sep 1, 6:42 PM EDT | Tornado Warning | PHI | Burlington, Camden | 33 min |
| Sep 1, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset | 61 min |
| Sep 1, 7:04 PM EDT | Tornado Warning | PHI | Burlington, Mercer | 26 min |
| Sep 1, 7:22 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer | 11 min |
| Sep 1, 7:28 PM EDT | Tornado Warning | PHI | Mercer, Middlesex, Morris, Somerset | 47 min |
| Sep 1, 7:31 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Somerset | 4 hr |
| Sep 1, 7:44 PM EDT | Special Marine Warning | PHI | 61 min |
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.