Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 28, 2021, 7:20 PM EDT for 6 counties in New Jersey. It was in force for 70 min. 8 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
- Mar 28, 2021, 7:20 PM EDT (23:20 UTC)
- Expired
- Mar 28, 2021, 8:30 PM EDT
- In force
- 70 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 18 km from the middle of the area, began a volume at 23:19 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 |
|---|---|---|---|
| Mar 28, 7:20 PM EDT | TSTM WND DMG | Williamstown, NJ | MULTIPLE TRANFORMERS OBSERVED BLOWING OUT IN WILLIAMSTOWN. TIME ESTIMATED FROM RADAR. |
| Mar 28, 7:21 PM EDT | TSTM WND DMG | 1 Ese Sicklerville, NJ | SEVERAL REPORTS OF DOWNED TREES AND WIRES IN SICKLERVILLE. TIME ESTIMATED FROM RADAR. |
| Mar 28, 7:27 PM EDT | TSTM WND DMG | 3 Ne Jobstown, NJ | DOWNED TREES AND WIRES NEAR MOUNT PLEASANT ROAD. TIME ESTIMATED FROM RADAR. |
| Mar 28, 7:38 PM EDT | TSTM WND GST 70 | Joint Base Mdl, NJ | MCGUIRE AFB AWOS. |
| Mar 28, 7:43 PM EDT | TSTM WND DMG | 5 Ese New Egypt, NJ | DOWNED TREE LIMBS AND WIRES NEAR PINEHURST ROAD. TIME ESTIMATED FROM RADAR. |
| Mar 28, 7:52 PM EDT | TSTM WND DMG | 2 E Lakehurst, NJ | NUMEROUS TREES AND WIRES DOWN IN THE LEISURE VILLAGE WEST AND PINE LAKE PARK AREAS OF MANCHESTER TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Mar 28, 8:12 PM EDT | MARINE TSTM WIND 42 | 5 Se Mystic Island, NJ | HADS SENSOR. |
| Mar 28, 8:16 PM EDT | MARINE TSTM WIND 43 | 2 Sw Beach Haven, 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 |
|---|---|---|---|
| Mar 28, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.3 hours before the alert went out and 181 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
157
WUUS51 KPHI 282320
SVRPHI
NJC001-005-007-015-025-029-290030-
/O.NEW.KPHI.SV.W.0005.210328T2320Z-210329T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
720 PM EDT Sun Mar 28 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Atlantic County in southern New Jersey...
Ocean County in southern New Jersey...
Camden County in southern New Jersey...
Southeastern Gloucester County in southern New Jersey...
Burlington County in southern New Jersey...
Southern Monmouth County in central New Jersey...
* Until 830 PM EDT.
* At 719 PM EDT, severe thunderstorms were located along a line
extending from Florence-Roebling to near Ramblewood to Malaga,
moving east at 50 mph. This storm has a history of producing wind
damage.
HAZARD...70 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Toms River, Lakewood, Cherry Hill, Jackson, Evesham, Mount Laurel,
Willingboro, Voorhees, Medford, Barnegat, Glassboro, Lindenwold,
Hammonton, Lumberton, Florence, Beachwood, Burlington, Bristol,
Mount Holly and Brigantine.
This includes the following highways...
New Jersey Turnpike between exits 4 and 7A.
Interstate 195 in New Jersey near mile marker 13, and between mile
markers 15 and 34.
Interstate 295 in New Jersey between mile markers 32 and 58.
Garden State Parkway between mile markers 41 and 99.
Atlantic City Expressway between mile markers 14 and 44.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of
a building. This severe thunderstorm may contain little or no
lightning. Do not wait until you hear thunder before taking cover.
&&
LAT...LON 3973 7407 3943 7431 3953 7501 3960 7510
3996 7500 4007 7492 4010 7484 4013 7482
4014 7474 4017 7470 4014 7459 4017 7461
4019 7397
TIME...MOT...LOC 2319Z 271DEG 42KT 4012 7480 3996 7495 3957 7508
HAIL...<.75IN
WIND...70MPH
$$
Staarmann3 follow-up statements
268
WWUS51 KPHI 282345
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
745 PM EDT Sun Mar 28 2021
NJC007-015-282353-
/O.CAN.KPHI.SV.W.0005.000000T0000Z-210329T0030Z/
Camden NJ-Gloucester NJ-
745 PM EDT Sun Mar 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR CAMDEN AND SOUTHEASTERN
GLOUCESTER COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern and central New Jersey.
LAT...LON 3973 7407 3944 7430 3950 7484 3951 7485
3988 7463 4017 7455 4019 7398
TIME...MOT...LOC 2343Z 275DEG 45KT 4005 7446 3988 7455 3956 7473
$$
NJC001-005-025-029-290030-
/O.CON.KPHI.SV.W.0005.000000T0000Z-210329T0030Z/
Atlantic NJ-Ocean NJ-Burlington NJ-Monmouth NJ-
745 PM EDT Sun Mar 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR CENTRAL ATLANTIC...OCEAN...EASTERN BURLINGTON AND SOUTHERN
MONMOUTH COUNTIES...
At 743 PM EDT, severe thunderstorms were located along a line
extending from Woodruff to near Presidential Lakes to Elwood-
Magnolia, moving east at 50 mph. The MDL Joint Base weather station
recently reported a wind gust of 70 mph.
HAZARD...70 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Toms River, Lakewood, Jackson, Barnegat, Hammonton, Beachwood,
Manasquan, Point Pleasant Beach, Egg Harbor City, Tuckerton,
Presidential Lakes Estates, Seaside Heights, Weymouth, Lakehurst,
Surf City, Port Republic, Mantoloking, Allenwood, Elwood-Magnolia and
Six Flags Theme Park.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 15 and 34.
Garden State Parkway between mile markers 42 and 99.
Atlantic City Expressway between mile markers 14 and 25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of
a building. This severe thunderstorm may contain little or no
lightning. Do not wait until you hear thunder before taking cover.
&&
LAT...LON 3973 7407 3944 7430 3950 7484 3951 7485
3988 7463 4017 7455 4019 7398
TIME...MOT...LOC 2343Z 275DEG 45KT 4005 7446 3988 7455 3956 7473
HAIL...<.75IN
WIND...70MPH
$$
Staarmann463
WWUS51 KPHI 290005
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
805 PM EDT Sun Mar 28 2021
NJC001-005-025-029-290030-
/O.CON.KPHI.SV.W.0005.000000T0000Z-210329T0030Z/
Atlantic NJ-Ocean NJ-Burlington NJ-Monmouth NJ-
805 PM EDT Sun Mar 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EAST CENTRAL ATLANTIC...CENTRAL OCEAN...SOUTHEASTERN BURLINGTON
AND SOUTHEASTERN MONMOUTH COUNTIES...
At 804 PM EDT, severe thunderstorms were located along a line
extending from Leisure Village East to near Bamber Lake to near New
Gretna, moving east at 50 mph. This line of storms has a history of
producing wind damage.
HAZARD...70 mph wind gusts.
SOURCE...Trained weather spotters and automated gauges.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Toms River, Lakewood, Barnegat, Beachwood, Manasquan, Point Pleasant
Beach, Tuckerton, Seaside Heights, Surf City, Port Republic,
Mantoloking, Leisure Village, Allenwood, Dover Beaches North, Holiday
City South, Pleasant Plains, Warren Grove, Leisure Village East,
Dover Beaches South and Ramtown.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 30 and 34.
Garden State Parkway between mile markers 45 and 99.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of
a building. This severe thunderstorm may contain little or no
lightning. Do not wait until you hear thunder before taking cover.
&&
LAT...LON 3973 7407 3949 7426 3948 7427 3952 7452
3996 7427 4018 7418 4019 7398
TIME...MOT...LOC 0004Z 270DEG 42KT 4002 7414 3988 7426 3956 7444
HAIL...<.75IN
WIND...70MPH
$$
Staarmann957
WWUS51 KPHI 290022
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
822 PM EDT Sun Mar 28 2021
NJC001-005-025-029-290032-
/O.EXP.KPHI.SV.W.0005.000000T0000Z-210329T0030Z/
Atlantic NJ-Ocean NJ-Burlington NJ-Monmouth NJ-
822 PM EDT Sun Mar 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ATLANTIC...
CENTRAL OCEAN...SOUTHEASTERN BURLINGTON AND SOUTHEASTERN MONMOUTH
COUNTIES WILL EXPIRE AT 830 PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds are still expected through this evening.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern and central New Jersey.
LAT...LON 3973 7407 3949 7426 3948 7427 3952 7452
3996 7427 4018 7418 4019 7398
TIME...MOT...LOC 0022Z 270DEG 42KT 4002 7389 3988 7401 3956 7419
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 2:39 AM EDT | Gale Warning | PHI | 35 hr | |
| Mar 28, 6:21 PM EDT | Special Marine Warning | PHI | 54 min | |
| Mar 28, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Warren | 47 min |
| Mar 28, 6:47 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Salem | 43 min |
| Mar 28, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 60 min |
| Mar 28, 7:38 PM EDT | Special Marine Warning | PHI | 111 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2021Every severe thunderstorm warning 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.