Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2021, 5:53 PM EDT for 8 counties in New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 67 min. 13 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
- May 26, 2021, 5:53 PM EDT (21:53 UTC)
- Expired
- May 26, 2021, 7:00 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Camden County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 21:54 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 |
|---|---|---|---|
| May 26, 5:56 PM EDT | TSTM WND DMG | Tacony, PA | MPING REPORT OF WIND DAMAGE NEAR GLENLOCH STREET. TIME ESTIMATED FROM RADAR. |
| May 26, 5:59 PM EDT | TSTM WND DMG | 2 Ene Three Bridges, NJ | DOWNED TREES AND WIRES NEAR SUMMER ROAD. TIME ESTIMATED FROM RADAR. |
| May 26, 6:00 PM EDT | TSTM WND GST 60 | 1 Wsw Ewing, NJ | WIDESPREAD POWER OUTAGES IN THE AREA. TIME ESTIMATED FROM RADAR. |
| May 26, 6:04 PM EDT | TSTM WND DMG | 1 Sse Trenton, NJ | DOWNED TREE LIMBS AND WIRES NEAR BUNTING AVENUE. TIME ESTIMATED FROM RADAR. |
| May 26, 6:05 PM EDT | TSTM WND DMG | 2 Wsw Manville, NJ | DOWNED TREE LIMBS AND WIRES REPORTED IN A FEW LOCATIONS IN THE MANVILLE AREA. TIME ESTIMATED FROM RADAR. |
| May 26, 6:07 PM EDT | TSTM WND DMG | 1 Nnw Windsor, NJ | DOWNED TREE LIMBS AND WIRES NEAR SOUTH LANE. TIME ESTIMATED FROM RADAR. |
| May 26, 6:10 PM EDT | TSTM WND DMG | Palmyra, NJ | TREE DOWN IN PALMYRA. TIME ESTIMATED. |
| May 26, 6:12 PM EDT | TSTM WND DMG | 1 Ese Dayton, NJ | DOWNED TREE ON U.S. HIGHWAY 130 SOUTHBOUND RAMP TO RIDGE ROAD. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR. |
| May 26, 6:14 PM EDT | TSTM WND DMG | 1 S Somerville, NJ | REPORTS OF DOWNED TREES AND WIRES IN THE SOMERVILLE AREA. TIME ESTIMATED FROM RADAR. |
| May 26, 6:17 PM EDT | TSTM WND DMG | 3 Ese South Bound Brook, NJ | DOWNED TREE LIMBS AND WIRES NEAR SEYMOUR TERRACE. TIME ESTIMATED FROM RADAR. |
| May 26, 6:19 PM EDT | TSTM WND DMG | 3 Se South Bound Brook, NJ | DOWNED TREE LIMBS AND WIRES NEAR RIVERCREST DRIVE. TIME ESTIMATED FROM RADAR. |
| May 26, 6:39 PM EDT | TSTM WND DMG | Aberdeen, NJ | DOWNED TREE LIMBS AND WIRES NEAR DEERFIELD LANE. TIME ESTIMATED FROM RADAR. |
| May 26, 6:49 PM EDT | TSTM WND DMG | Centerville, NJ | DOWNED TREE ON STATE HIGHWAY 35 NEAR MULBERRY LANE. ALL LANES CLOSED. 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 |
|---|---|---|---|
| May 26, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 151 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
- 5 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
062
WUUS51 KPHI 262153
SVRPHI
NJC005-007-019-021-023-025-029-035-PAC017-091-101-262300-
/O.NEW.KPHI.SV.W.0035.210526T2153Z-210526T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
553 PM EDT Wed May 26 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Ocean County in southern New Jersey...
Southeastern Hunterdon County in northwestern New Jersey...
Northwestern Camden County in southern New Jersey...
Mercer County in central New Jersey...
Northern Burlington County in southern New Jersey...
Southern Somerset County in northern New Jersey...
Central Monmouth County in central New Jersey...
Middlesex County in northern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Central Philadelphia County in southeastern Pennsylvania...
* Until 700 PM EDT.
* At 553 PM EDT, severe thunderstorms were located along a line
extending from near Washington Crossing to Northeast Philadelphia,
moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Philadelphia, Trenton, Camden, New Brunswick, Somerville, Somerset,
Edison, Old Bridge, Bensalem, East Brunswick, South Brunswick,
Sayreville, Mount Laurel, North Brunswick, Marlboro, Manalapan,
Ewing, Willingboro, Lumberton and Princeton.
People at the Esperanza Community Vaccination Site, Burlington County
Mega Site, and Middlesex County Mega Site should seek safe shelter
immediately!
This includes the following highways...
New Jersey Turnpike between exits 5 and 10.
Pennsylvania Turnpike between mile markers 349 and 359.
Interstate 95 in Pennsylvania between mile markers 23 and 40.
Interstate 76 in Pennsylvania between mile markers 339 and 342.
Interstate 195 in New Jersey between mile markers 0 and 19.
Interstate 295 in New Jersey between mile markers 38 and 76.
Interstate 287 in New Jersey between mile markers 2 and 4, and
between mile markers 9 and 12.
Garden State Parkway between mile markers 116 and 126.
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.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3988 7460 3999 7527 4035 7473 4057 7482
4055 7440 4049 7428 4046 7426 4044 7420
4044 7419 4042 7414
TIME...MOT...LOC 2153Z 277DEG 25KT 4030 7483 4011 7503
HAIL...<.75IN
WIND...60MPH
$$
Meola2 follow-up statements
933
WWUS51 KPHI 262237
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
637 PM EDT Wed May 26 2021
NJC007-019-035-PAC017-091-101-262246-
/O.CAN.KPHI.SV.W.0035.000000T0000Z-210526T2300Z/
Hunterdon NJ-Camden NJ-Somerset NJ-Montgomery PA-Bucks PA-
Philadelphia PA-
637 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON...
NORTHWESTERN CAMDEN...SOUTHERN SOMERSET...SOUTHEASTERN MONTGOMERY...
SOUTHEASTERN BUCKS AND CENTRAL PHILADELPHIA COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern, central and northern New Jersey.
LAT...LON 3993 7493 4028 7455 4053 7436 4049 7428
4046 7426 4044 7420 4044 7419 4042 7414
3988 7460
TIME...MOT...LOC 2236Z 277DEG 25KT 4026 7445 4007 7465
$$
NJC005-021-023-025-029-262300-
/O.CON.KPHI.SV.W.0035.000000T0000Z-210526T2300Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-
637 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHWESTERN OCEAN...SOUTHEASTERN MERCER...NORTHERN BURLINGTON...
CENTRAL MONMOUTH AND CENTRAL MIDDLESEX COUNTIES...
At 636 PM EDT, severe thunderstorms were located along a line
extending from Twin Rivers to Georgetown, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Old Bridge, East Brunswick, Sayreville, Marlboro, Manalapan,
Lumberton, Mount Holly, Matawan, Jamesburg, Hightstown, Cranbury,
Presidential Lakes Estates, Allentown, Pemberton, Roosevelt,
Wrightstown, Brownville, Six Flags Theme Park, Leisuretowne and
Jacksonville.
People at the Middlesex County Mega Site should seek safe shelter
immediately!
This includes the following highways...
New Jersey Turnpike near exit 5, and between exits 7 and 9.
Interstate 195 in New Jersey between mile markers 5 and 19.
Interstate 295 in New Jersey between mile markers 52 and 53, and
between mile markers 55 and 56.
Garden State Parkway between mile markers 116 and 126.
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 3993 7493 4028 7455 4053 7436 4049 7428
4046 7426 4044 7420 4044 7419 4042 7414
3988 7460
TIME...MOT...LOC 2236Z 277DEG 25KT 4026 7445 4007 7465
HAIL...<.75IN
WIND...60MPH
$$
Meola429
WWUS51 KPHI 262253
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
653 PM EDT Wed May 26 2021
NJC005-021-023-025-029-262302-
/O.EXP.KPHI.SV.W.0035.000000T0000Z-210526T2300Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-
653 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OCEAN...
SOUTHEASTERN MERCER...NORTHERN BURLINGTON...CENTRAL MONMOUTH AND
CENTRAL MIDDLESEX COUNTIES WILL EXPIRE AT 700 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern, central and northern New Jersey.
LAT...LON 3993 7493 4028 7455 4053 7436 4049 7428
4046 7426 4044 7420 4044 7419 4042 7414
3988 7460
TIME...MOT...LOC 2252Z 277DEG 25KT 4025 7432 4006 7453
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 48 min |
| May 26, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 41 min |
| May 26, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 31 min |
| May 26, 6:49 PM EDT | Special Marine Warning | PHI | 56 min | |
| May 26, 7:04 PM EDT | Special Marine Warning | PHI | 26 min | |
| May 26, 7:23 PM EDT | Special Marine Warning | PHI | 97 min | |
| May 26, 7:56 PM EDT | Special Marine Warning | PHI | 71 min | |
| May 26, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| May 26, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 65 min |
| May 26, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 44 min |
| May 26, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 38 min |
| May 26, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| May 26, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 38 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2021Severe Thunderstorm Warnings in Pennsylvania, 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.