Alert archive / New Jersey / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 89, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 31, 2018, 6:37 AM EDT for Burlington County, Ocean County, New Jersey. It was in force for 53 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 31, 2018, 6:37 AM EDT (10:37 UTC)
- Expired
- Aug 31, 2018, 7:30 AM EDT
- In force
- 53 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), 19 km from the middle of the area, began a volume at 10:40 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 00:00Z, 10.6 hours before the alert went out and 185 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
- 10 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1562 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
749
WUUS51 KPHI 311037
SVRPHI
NJC005-029-311130-
/O.NEW.KPHI.SV.W.0089.180831T1037Z-180831T1130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
637 AM EDT FRI AUG 31 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
West central Ocean County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until 730 AM EDT.
* At 637 AM EDT, a severe thunderstorm was located near Presidential
Lakes, or 24 miles west of Toms River, moving southeast at 10 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...
Tabernacle, Presidential Lakes Estates, Presidential Lakes,
Chatsworth, Old Halfway, Penn State Forest, Leisuretowne and
Country Lake Estates.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3986 7476 3996 7461 3988 7429 3965 7451
TIME...MOT...LOC 1037Z 306DEG 10KT 3988 7463
HAIL...0.75IN
WIND...60MPH
$$
po1 follow-up statement
131
WWUS51 KPHI 311110
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
710 AM EDT FRI AUG 31 2018
NJC029-311116-
/O.CAN.KPHI.SV.W.0089.000000T0000Z-180831T1130Z/
Ocean NJ-
710 AM EDT FRI AUG 31 2018
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL OCEAN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has weakened over
parts of central Burlington County. Therefore, the warning has been
cancelled for this part of the county...but the warning remains in
effect for southeastern Burlington County.
LAT...LON 3986 7476 3996 7461 3979 7441 3965 7451
TIME...MOT...LOC 1106Z 019DEG 9KT 3982 7468
$$
NJC005-311130-
/O.CON.KPHI.SV.W.0089.000000T0000Z-180831T1130Z/
Burlington NJ-
710 AM EDT FRI AUG 31 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM EDT
FOR SOUTHEASTERN BURLINGTON COUNTY...
At 706 AM EDT, a severe thunderstorm was located over Tabernacle, or
23 miles east of Gloucester City, moving south at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Tabernacle, Presidential Lakes Estates, Chatsworth, Presidential
Lakes, Penn State Forest and Leisuretowne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3986 7476 3996 7461 3979 7441 3965 7451
TIME...MOT...LOC 1106Z 019DEG 9KT 3982 7468
HAIL...<.75IN
WIND...60MPH
$$
jjmThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 5:17 AM EDT | Areal Flood Advisory | PHI | Burlington | 3 hr |
| Aug 31, 5:36 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Aug 31, 6:27 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Aug 31, 7:34 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden | 2 hr |
| Aug 31, 9:29 AM EDT | Areal Flood Advisory | PHI | Burlington | 119 min |
| Aug 31, 12:47 PM EDT | Special Marine Warning | PHI | 118 min | |
| Aug 31, 1:22 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Aug 31, 4:30 PM EDT | Special Marine Warning | PHI | 90 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.