Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 280, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 28, 2020, 4:49 PM EDT for 5 counties in New Jersey. It was in force for 56 min. 12 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
- Aug 28, 2020, 4:49 PM EDT (20:49 UTC)
- Expired
- Aug 28, 2020, 5:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 16 km from the middle of the area, began a volume at 20:50 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 |
|---|---|---|---|
| Aug 28, 4:53 PM EDT | TSTM WND DMG | 1 Sse Trenton, NJ | DOWNED TREE LIMBS AND WIRES NEAR BUNTING AVENUE. TIME ESTIMATED FROM RADAR. |
| Aug 28, 4:55 PM EDT | TSTM WND DMG | 1 Ne Bordentown, NJ | DOWNED TREES AND WIRES NEAR AMBOY ROAD AND U.S. HIGHWAY 206. TIME ESTIMATED FROM RADAR. |
| Aug 28, 4:55 PM EDT | TSTM WND DMG | 2 Wsw Yardville, NJ | DOWNED POWER LINES NEAR GROVEVILLE ROAD. TIME ESTIMATED FROM RADAR. |
| Aug 28, 4:57 PM EDT | TSTM WND DMG | 1 Nne Columbus, NJ | TREES CAUSED POWER OUTAGE AT US 206 AND MANSFIELD RD. EAST. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:06 PM EDT | TSTM WND DMG | 1 Nw Allentown, NJ | DOWNED POWER LINES NEAR CIRCLE DRIVE IN ALLENTOWN. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:06 PM EDT | TSTM WND DMG | North Hanover Twp, NJ | DOWNED TREES AND WIRES NEAR THE ELLISDALE-CROSSWICKS ROAD AND PROVINCE LINE ROAD INTERSECTION. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:30 PM EDT | TSTM WND DMG | 1 W Toms River, NJ | SEVERAL REPORTS OF DOWNED TREES AND POWER LINES WITH NUMEROUS POWER OUTAGES IN THE TOMS RIVER AREA. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:35 PM EDT | TSTM WND DMG | Forked River, NJ | DOWNED TREES AND POWER LINES IN SEVERAL LOCATIONS IN FORKED RIVER. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:38 PM EDT | TSTM WND DMG | Lacey Twp, NJ | SEVERAL TREES DOWNED AS THE BOW ECHO MOVED ACROSS THE COUNTY. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:40 PM EDT | TSTM WND DMG | 1 Nnw Ocean Gate, NJ | SEVERAL REPORTS OF TREES AND POWER LINES DOWN IN THE ISLAND HEIGHTS AREA. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:43 PM EDT | TSTM WND DMG | 2 Ssw Seaside Park, NJ | SEVERAL REPORTS OF DOWNED POWER LINES NEAR CENTRAL AVENUE IN BERKELEY. TIME ESTIMATED FROM RADAR. |
| Aug 28, 5:48 PM EDT | MARINE TSTM WIND 40 | Mantoloking, NJ | HADS SENSOR. |
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 |
|---|---|---|---|
| Aug 28, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
290
WUUS51 KPHI 282049
SVRPHI
NJC005-021-023-025-029-282145-
/O.NEW.KPHI.SV.W.0280.200828T2049Z-200828T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
449 PM EDT Fri Aug 28 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Ocean County in southern New Jersey...
Southeastern Mercer County in central New Jersey...
Burlington County in southern New Jersey...
Monmouth County in central New Jersey...
Southwestern Middlesex County in northern New Jersey...
* Until 545 PM EDT.
* At 449 PM EDT, severe thunderstorms were located along a line
extending from near Mercerville-Hamilton Square to near Voorhees,
moving southeast at 45 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Toms River, Trenton, Long Branch, Asbury Park, Lakewood, Jackson,
Howell, Evesham, Mount Laurel, Manalapan, Medford, Barnegat, Tinton
Falls, Lumberton, Princeton, Florence, Beachwood, Burlington, Mount
Holly and Tabernacle.
This includes the following highways...
New Jersey Turnpike between exits 5 and 8A.
Interstate 195 in New Jersey between mile markers 0 and 34.
Interstate 295 in New Jersey between mile markers 40 and 69.
Garden State Parkway between mile markers 60 and 105.
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.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4026 7396 4000 7397 3961 7404 3972 7473
3979 7481 3979 7490 3988 7493 3991 7495
4013 7482 4012 7478 4015 7472 4021 7477
4035 7469
TIME...MOT...LOC 2049Z 313DEG 40KT 4024 7469 3986 7493
HAIL...0.75IN
WIND...70MPH
$$
Iovino1 follow-up statement
726
WWUS51 KPHI 282133
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
533 PM EDT Fri Aug 28 2020
NJC021-023-282142-
/O.CAN.KPHI.SV.W.0280.000000T0000Z-200828T2145Z/
Mercer NJ-Middlesex NJ-
533 PM EDT Fri Aug 28 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERCER AND
SOUTHWESTERN MIDDLESEX COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern New Jersey.
LAT...LON 4026 7396 4012 7397 4000 7397 3961 7404
3969 7452 4030 7430
TIME...MOT...LOC 2132Z 285DEG 37KT 4010 7417 3972 7441
$$
NJC005-025-029-282145-
/O.CON.KPHI.SV.W.0280.000000T0000Z-200828T2145Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
533 PM EDT Fri Aug 28 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR OCEAN...EAST CENTRAL BURLINGTON AND SOUTHEASTERN MONMOUTH
COUNTIES...
At 532 PM EDT, severe thunderstorms were located along a line
extending from Ramtown to near Warren Grove, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Barnegat, Tinton Falls, Beachwood, Manasquan, Point Pleasant Beach,
Seaside Heights, Lakehurst, Farmingdale, Surf City, Mantoloking,
Allenwood, East Freehold, West Freehold and Adelphia.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 21 and 34.
Garden State Parkway between mile markers 60 and 105.
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.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4026 7396 4012 7397 4000 7397 3961 7404
3969 7452 4030 7430
TIME...MOT...LOC 2132Z 285DEG 37KT 4010 7417 3972 7441
HAIL...0.75IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset, Warren | 47 min |
| Aug 27, 8:24 PM EDT | Special Weather Statement | PHI | Middlesex, Somerset | 51 min |
| Aug 27, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 46 min |
| Aug 27, 8:55 PM EDT | Special Marine Warning | PHI | 95 min | |
| Aug 27, 9:13 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 47 min |
| Aug 27, 9:28 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 47 min |
| Aug 28, 3:05 PM EDT | Special Marine Warning | PHI | 85 min | |
| Aug 28, 3:41 PM EDT | Special Weather Statement | PHI | Salem | 34 min |
| Aug 28, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 53 min |
| Aug 28, 3:53 PM EDT | Special Marine Warning | PHI | 67 min | |
| Aug 28, 4:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Aug 28, 4:17 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 43 min |
| Aug 28, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer | 61 min |
| Aug 28, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 66 min |
| Aug 28, 4:55 PM EDT | Special Marine Warning | PHI | 95 min | |
| Aug 28, 5:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 28, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 47 min |
| Aug 28, 5:37 PM EDT | Special Marine Warning | PHI | 83 min | |
| Aug 28, 5:51 PM EDT | Special Marine Warning | PHI | 84 min | |
| Aug 28, 6:53 PM EDT | Special Marine Warning | PHI | 64 min | |
| Aug 28, 7:55 PM EDT | Special Marine Warning | PHI | 65 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2020Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.