Alert archive / New Jersey / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 87, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 18, 2018, 6:17 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2018, 6:17 PM EDT (22:17 UTC)
- Expired
- Aug 18, 2018, 7:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 9 km from the middle of the area, began a volume at 22:18 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.3 hours before the alert went out and 158 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
- 1148 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
The text
As transmitted.
714
WUUS51 KPHI 182217
SVRPHI
NJC005-029-182300-
/O.NEW.KPHI.SV.W.0087.180818T2217Z-180818T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
617 PM EDT SAT AUG 18 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Ocean County in southern New Jersey...
Northeastern Burlington County in southern New Jersey...
* Until 700 PM EDT.
* At 617 PM EDT, a severe thunderstorm was located near Browns Mills,
or 18 miles west of Toms River, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* This severe thunderstorm will be near...
Woodruff around 625 PM EDT.
Cedar Glen Lakes and Whiting around 640 PM EDT.
Lakehurst around 650 PM EDT.
Jackson, Cedar Glen West and Pine Ridge At Crestwood around 655 PM
EDT.
Toms River, Lakewood, Beachwood, Leisure Village West-Pine Lake
Park, Holiday City-Berkeley, Pleasant Plains, Holiday City South,
Leisure Village and Leisure Village East around 700 PM EDT.
Other locations impacted by this severe thunderstorm include Silver
Ridge, Leisure Knoll, Holiday Heights, Crestwood Village, South Toms
River, Holiday City, Island Heights, New Egypt and Fort Dix.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to damaging winds, frequent cloud to ground lightning is
occurring with this storm. Move indoors immediately. Remember, if
you can hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3990 7424 3994 7450 3999 7457 4005 7455
4008 7442 4012 7420 4011 7418 3991 7415
TIME...MOT...LOC 2217Z 268DEG 17KT 4001 7452
HAIL...<.75IN
WIND...60MPH
$$
JRK3 follow-up statements
245
WWUS51 KPHI 182229
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
629 PM EDT SAT AUG 18 2018
NJC005-182238-
/O.CAN.KPHI.SV.W.0087.000000T0000Z-180818T2300Z/
Burlington NJ-
629 PM EDT SAT AUG 18 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BURLINGTON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3990 7426 3992 7436 3993 7442 3993 7444
4003 7449 4011 7425 4011 7418 3991 7415
TIME...MOT...LOC 2228Z 271DEG 24KT 3997 7435
$$
NJC029-182300-
/O.CON.KPHI.SV.W.0087.000000T0000Z-180818T2300Z/
Ocean NJ-
629 PM EDT SAT AUG 18 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHERN OCEAN COUNTY...
At 628 PM EDT, a severe thunderstorm was located over Pine Ridge At
Crestwood, or 8 miles west of Toms River, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
This severe storm will be near...
Holiday City-Berkeley, Leisure Village West-Pine Lake Park and
Cedar Glen West around 635 PM EDT.
Holiday City South around 640 PM EDT.
Toms River, Beachwood and Pleasant Plains around 645 PM EDT.
Leisure Village and Leisure Village East around 650 PM EDT.
Other locations impacted by this severe thunderstorm include Silver
Ridge, Leisure Knoll, Holiday Heights, Crestwood Village, South Toms
River, Holiday City and Island Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to damaging winds, frequent cloud to ground lightning is
occurring with this storm. Move indoors immediately. Remember, if
you can hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3990 7426 3992 7436 3993 7442 3993 7444
4003 7449 4011 7425 4011 7418 3991 7415
TIME...MOT...LOC 2228Z 271DEG 24KT 3997 7435
HAIL...<.75IN
WIND...60MPH
$$
JRK793
WWUS51 KPHI 182239
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
639 PM EDT SAT AUG 18 2018
NJC029-182300-
/O.CON.KPHI.SV.W.0087.000000T0000Z-180818T2300Z/
Ocean NJ-
639 PM EDT SAT AUG 18 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHEASTERN OCEAN COUNTY...
At 639 PM EDT, a severe thunderstorm was located over Pleasant
Plains, or near Toms River, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
This severe storm will be near...
Toms River, Leisure Village and Leisure Village East around 645 PM
EDT.
Other locations impacted by this severe thunderstorm include Silver
Ridge, Leisure Knoll, Holiday Heights, South Toms River, Holiday
City, Island Heights and Crestwood Village.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to damaging winds, frequent cloud to ground lightning is
occurring with this storm. Move indoors immediately. Remember, if
you can hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
poor drainage flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3990 7424 3990 7427 3991 7431 4000 7434
4003 7436 4005 7430 4010 7418 3991 7415
TIME...MOT...LOC 2239Z 269DEG 21KT 3998 7423
HAIL...<.75IN
WIND...60MPH
$$
JRK075
WWUS51 KPHI 182253
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
653 PM EDT SAT AUG 18 2018
NJC029-182301-
/O.EXP.KPHI.SV.W.0087.000000T0000Z-180818T2300Z/
Ocean NJ-
653 PM EDT SAT AUG 18 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCEAN COUNTY WILL
EXPIRE AT 700 PM EDT...
The storm which prompted the warning is about to move out of the
area. Therefore, the warning will be allowed to expire at 700 PM.
Remember, a Severe Thunderstorm Warning still remains in effect
farther to the east for areas in east-central Ocean County until 730
PM.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
in Mount Holly NJ.
LAT...LON 3990 7424 3990 7427 3991 7431 4000 7434
4003 7436 4005 7430 4010 7418 3991 7415
TIME...MOT...LOC 2251Z 271DEG 23KT 3995 7417
$$
JRKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 43 min |
| Aug 17, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex | 43 min |
| Aug 17, 8:48 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Aug 17, 9:26 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex, Somerset | 34 min |
| Aug 17, 10:59 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 75 min |
| Aug 17, 11:25 PM EDT | Special Weather Statement | PHI | Somerset | 35 min |
| Aug 17, 11:30 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 4 hr |
| Aug 17, 11:41 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 34 min |
| Aug 17, 11:52 PM EDT | Special Weather Statement | PHI | Middlesex | 23 min |
| Aug 18, 12:56 AM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 4 hr |
| Aug 18, 2:37 AM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Aug 18, 2:38 AM EDT | Special Marine Warning | PHI | 52 min | |
| Aug 18, 2:41 AM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 34 min |
| Aug 18, 2:46 AM EDT | Severe Thunderstorm Warning | PHI | Ocean | 14 min |
| Aug 18, 3:15 AM EDT | Special Marine Warning | PHI | 30 min | |
| Aug 18, 3:16 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more | 20 hr |
| Aug 18, 3:34 PM EDT | Special Weather Statement | PHI | Sussex | 41 min |
| Aug 18, 3:40 PM EDT | Small Craft Advisory | PHI | 45 hr | |
| Aug 18, 4:14 PM EDT | Special Weather Statement | PHI | Sussex | 46 min |
| Aug 18, 4:33 PM EDT | Special Weather Statement | PHI | Gloucester | 42 min |
| Aug 18, 5:16 PM EDT | Special Weather Statement | PHI | Burlington, Camden | 44 min |
| Aug 18, 5:44 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 98 min |
| Aug 18, 5:55 PM EDT | Special Weather Statement | PHI | Burlington | 35 min |
| Aug 18, 6:31 PM EDT | Special Marine Warning | PHI | 119 min | |
| Aug 18, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 29 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2018Every severe thunderstorm warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.