Alert archive / New Jersey / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 94, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 7, 2018, 1:26 PM EDT for Cape May County, New Jersey. It was in force for 31 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
- Sep 7, 2018, 1:26 PM EDT (17:26 UTC)
- Expired
- Sep 7, 2018, 1:57 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Cape May County, NJ
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.4 hours before the alert went out and 153 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
- 1722 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
700
WUUS51 KPHI 071726
SVRPHI
NJC009-071815-
/O.NEW.KPHI.SV.W.0094.180907T1726Z-180907T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
126 PM EDT FRI SEP 7 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Cape May County in southern New Jersey...
* Until 215 PM EDT.
* At 126 PM EDT, a severe thunderstorm was located over Dennisville,
or 13 miles southwest of Ocean City, moving northeast at 5 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...
Ocean City, Woodbine, Sea Isle City, Avalon, Marmora, Cape May
Court House, Belleplain Forest, Dennisville, Goshen, Strathmere and
Seaville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3919 7462 3913 7467 3906 7481 3907 7494
3927 7487 3930 7479 3929 7470 3929 7465
3921 7459
TIME...MOT...LOC 1726Z 227DEG 5KT 3918 7482
HAIL...0.75IN
WIND...60MPH
$$
po1 follow-up statement
422
WWUS51 KPHI 071757
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
157 PM EDT FRI SEP 7 2018
NJC009-071807-
/O.CAN.KPHI.SV.W.0094.000000T0000Z-180907T1815Z/
Cape May NJ-
157 PM EDT FRI SEP 7 2018
...THE SEVERE THUNDERSTORM WARNING FOR CAPE MAY COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
LAT...LON 3919 7462 3913 7467 3906 7481 3907 7494
3927 7487 3930 7479 3929 7470 3929 7465
3921 7459
TIME...MOT...LOC 1753Z 227DEG 5KT 3921 7478
$$
poThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 4:22 AM EDT | Small Craft Advisory | PHI | 35 hr | |
| Sep 7, 12:59 PM EDT | Special Weather Statement | PHI | Cape May | 46 min |
| Sep 7, 1:29 PM EDT | Areal Flood Advisory | PHI | Cape May | 3 hr |
| Sep 7, 2:20 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 30 min |
| Sep 7, 2:53 PM EDT | Special Weather Statement | PHI | Atlantic | 37 min |
| Sep 7, 3:25 PM EDT | Special Weather Statement | PHI | Atlantic | 50 min |
| Sep 7, 3:36 PM EDT | Gale Watch | PHI | 24 hr | |
| Sep 7, 5:27 PM EDT | Special Marine Warning | PHI | 46 min | |
| Sep 7, 6:32 PM EDT | Special Weather Statement | PHI | Camden | 43 min |
| Sep 7, 6:41 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Sep 7, 7:08 PM EDT | Special Weather Statement | PHI | Camden | 52 min |
| Sep 7, 7:19 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 56 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.