Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 185, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2026, 3:13 PM EDT for 5 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 47 min. 1 report 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
- Jul 18, 2026, 3:13 PM EDT (19:13 UTC)
- Expired
- Jul 18, 2026, 4:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 19:14 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 |
|---|---|---|---|
| Jul 18, 3:24 PM EDT | TSTM WND DMG | 1 Sw Hamilton Square, NJ | Several trees down near Reynolds Middle School. |
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 |
|---|---|---|---|
| Jul 18, 1:55 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.2 hours before the alert went out and 170 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
- -238 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
870
WUUS51 KPHI 181913
SVRPHI
NJC005-021-023-025-029-PAC017-182000-
/O.NEW.KPHI.SV.W.0185.260718T1913Z-260718T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
313 PM EDT Sat Jul 18 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
North central Ocean County in southern New Jersey...
Mercer County in central New Jersey...
North central Burlington County in southern New Jersey...
Western Monmouth County in central New Jersey...
Southern Middlesex County in northern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
* Until 400 PM EDT.
* At 313 PM EDT, a severe thunderstorm was located over Woodside, or
near Trenton, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Trenton, Old Bridge, Bensalem, Marlboro, Manalapan, Ewing,
Florence, Bristol, Jamesburg, Hightstown, Bordentown, Cranbury,
Yardley, Newtown, Tullytown, Allentown, Langhorne, Roosevelt,
Florence-Roebling, and East Freehold.
This includes the following highways...
New Jersey Turnpike between exits 7 and 9.
Pennsylvania Turnpike between mile markers 353 and 359.
Interstate 95 in Pennsylvania between mile markers 39 and 40.
Interstate 195 in New Jersey between mile markers 0 and 28.
Interstate 295 in New Jersey between mile markers 55 and 76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for southern,
central and northern New Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
A Tornado Watch remains in effect until 900 PM EDT for southern,
central and northern New Jersey...and southeastern Pennsylvania.
&&
LAT...LON 4010 7495 4028 7499 4039 7425 4012 7421
TIME...MOT...LOC 1913Z 263DEG 33KT 4020 7488
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS4 follow-up statements
055
WWUS51 KPHI 181926
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
326 PM EDT Sat Jul 18 2026
NJC005-021-023-025-029-PAC017-182000-
/O.CON.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-Bucks PA-
326 PM EDT Sat Jul 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTH CENTRAL OCEAN...SOUTHEASTERN MERCER...NORTH CENTRAL
BURLINGTON...SOUTHWESTERN MONMOUTH...SOUTH CENTRAL MIDDLESEX AND
EASTERN BUCKS COUNTIES...
At 326 PM EDT, a severe thunderstorm was located over White Horse, or
near Trenton, moving east at 40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Trenton, Manalapan, Ewing, Hightstown, Bordentown, Allentown,
Roosevelt, Windsor, East Freehold, Six Flags Theme Park, Jacksons
Mills, West Freehold, Adelphia, Clarksburg, Vista Center, Edinburg,
Crosswicks, White Horse, Twin Rivers, and Imlaystown.
This includes the following highways...
New Jersey Turnpike between exits 6A and 8A.
Interstate 195 in New Jersey between mile markers 0 and 28.
Interstate 295 in New Jersey between mile markers 54 and 66.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for southern,
central and northern New Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4010 7479 4026 7480 4031 7424 4012 7421
TIME...MOT...LOC 1926Z 268DEG 34KT 4018 7470
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS510
WWUS51 KPHI 181940
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
340 PM EDT Sat Jul 18 2026
NJC005-PAC017-181949-
/O.CAN.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/
Burlington NJ-Bucks PA-
340 PM EDT Sat Jul 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BURLINGTON AND
EASTERN BUCKS COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM EDT for southern,
central and northern New Jersey.
LAT...LON 4011 7457 4014 7459 4014 7462 4015 7463
4026 7463 4029 7423 4012 7421
TIME...MOT...LOC 1939Z 269DEG 34KT 4017 7454
$$
NJC021-023-025-029-182000-
/O.CON.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/
Ocean NJ-Mercer NJ-Monmouth NJ-Middlesex NJ-
340 PM EDT Sat Jul 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTH CENTRAL OCEAN...SOUTHEASTERN MERCER...SOUTHWESTERN MONMOUTH
AND SOUTH CENTRAL MIDDLESEX COUNTIES...
At 339 PM EDT, a severe thunderstorm was located over Imlaystown, or
12 miles east of Trenton, moving east at 40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Manalapan, Hightstown, Allentown, Roosevelt, Adelphia, Clarksburg,
Vista Center, Edinburg, Windsor, East Freehold, Twin Rivers, Six
Flags Theme Park, Imlaystown, Cream Ridge, Freewood Acres, Jacksons
Mills, West Freehold, and Freehold.
This includes the following highways...
New Jersey Turnpike between exits 8 and 8A.
Interstate 195 in New Jersey between mile markers 6 and 28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for southern,
central and northern New Jersey.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4011 7457 4014 7459 4014 7462 4015 7463
4026 7463 4029 7423 4012 7421
TIME...MOT...LOC 1939Z 269DEG 34KT 4017 7454
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS055
WWUS51 KPHI 181947
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
347 PM EDT Sat Jul 18 2026
NJC023-181956-
/O.CAN.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/
Middlesex NJ-
347 PM EDT Sat Jul 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MIDDLESEX COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM EDT for central and
southern New Jersey.
LAT...LON 4011 7455 4024 7455 4028 7423 4012 7421
TIME...MOT...LOC 1946Z 270DEG 37KT 4016 7446
$$
NJC021-025-029-182000-
/O.CON.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/
Ocean NJ-Mercer NJ-Monmouth NJ-
347 PM EDT Sat Jul 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTH CENTRAL OCEAN...EAST CENTRAL MERCER AND SOUTHWESTERN
MONMOUTH COUNTIES...
At 346 PM EDT, a severe thunderstorm was located over Six Flags Theme
Park, or 16 miles east of Trenton, moving east at 40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Manalapan, Roosevelt, Adelphia, Clarksburg, Vista Center, East
Freehold, Six Flags Theme Park, Imlaystown, Cream Ridge, Freewood
Acres, Jacksons Mills, West Freehold, and Freehold.
This includes Interstate 195 in New Jersey between mile markers 10
and 28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for central and
southern New Jersey.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4011 7455 4024 7455 4028 7423 4012 7421
TIME...MOT...LOC 1946Z 270DEG 37KT 4016 7446
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS659 WWUS51 KPHI 181953 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 353 PM EDT Sat Jul 18 2026 NJC021-025-029-182003- /O.EXP.KPHI.SV.W.0185.000000T0000Z-260718T2000Z/ Ocean NJ-Mercer NJ-Monmouth NJ- 353 PM EDT Sat Jul 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OCEAN...EAST CENTRAL MERCER AND SOUTHWESTERN MONMOUTH COUNTIES WILL EXPIRE AT 400 PM EDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However gusty winds and heavy rain are still possible with this thunderstorm. A Tornado Watch remains in effect until 900 PM EDT for central and southern New Jersey. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Mount Holly NJ. LAT...LON 4011 7455 4024 7455 4028 7423 4012 7421 TIME...MOT...LOC 1953Z 263DEG 33KT 4017 7440 $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 10:39 AM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 21 min |
| Jul 18, 12:40 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 3 hr |
| Jul 18, 1:52 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| Jul 18, 2:36 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth | 4 hr |
| Jul 18, 3:14 PM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| Jul 18, 3:16 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 18, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 45 min |
| Jul 18, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 44 min |
| Jul 18, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 39 min |
| Jul 18, 3:44 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth, Ocean | 4 hr |
| Jul 18, 4:02 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 18, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 42 min |
| Jul 18, 4:34 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 18, 4:46 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 18, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 61 min |
| Jul 18, 5:16 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 18, 5:47 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 18, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 41 min |
| Jul 18, 6:30 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 18, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 45 min |
| Jul 18, 6:55 PM EDT | Areal Flood Warning | PHI | Monmouth | 4 hr |
| Jul 18, 6:56 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 18, 7:13 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 32 min |
| Jul 18, 7:47 PM EDT | Areal Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 18, 2:44 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 4 hr |
| Jul 18, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 45 min |
| Jul 18, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 45 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2026Severe Thunderstorm Warnings in Pennsylvania, 2026Every severe thunderstorm warning in 2026
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.