Alert archive / New Jersey / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 3, 2018, 1:14 PM EDT for Mercer County, New Jersey. It was in force for 46 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 3, 2018, 1:14 PM EDT (17:14 UTC)
- Expired
- Aug 3, 2018, 2:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 17:16 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, 5.2 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
- 1132 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.2
The text
As transmitted.
480
WWUS81 KPHI 031714
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
114 PM EDT FRI AUG 3 2018
NJZ009-010-012-013-015-019-020-PAZ071-104-106-031800-
Hunterdon-Northwestern Burlington-Ocean-Western
Monmouth-Somerset-Middlesex-Mercer-Lower Bucks-Eastern
Montgomery-Philadelphia-
114 PM EDT FRI AUG 3 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN OCEAN...
SOUTHEASTERN HUNTERDON...MERCER...NORTHERN BURLINGTON...SOUTHWESTERN
SOMERSET...SOUTHWESTERN MIDDLESEX...SOUTHWESTERN MONMOUTH...
SOUTHEASTERN BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES...
At 113 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Langhorne to Willingboro to
Lumberton. Movement was northeast at 35 mph.
Winds up to 50 mph are possible with these storms.
Locations impacted include...
Philadelphia, Trenton, Bensalem, South Brunswick, Manalapan, Ewing,
Willingboro, Medford, Lumberton, Princeton, Florence, Burlington,
Bristol, Mount Holly, Riverside, Hatboro, Jamesburg, Hightstown,
Bordentown and Cranbury.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4057 7471 4032 7441 4014 7422 3985 7482
3999 7492 4019 7510
TIME...MOT...LOC 1713Z 229DEG 30KT 4015 7494 4004 7486 3996 7481
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:35 PM EDT | Special Weather Statement | PHI | Somerset | 25 min |
| Aug 2, 10:05 PM EDT | Special Weather Statement | PHI | Morris, Somerset | 55 min |
| Aug 3, 11:47 AM EDT | Special Marine Warning | PHI | 88 min | |
| Aug 3, 12:17 PM EDT | Special Weather Statement | PHI | Cape May | 43 min |
| Aug 3, 12:37 PM EDT | Special Weather Statement | PHI | Camden, Gloucester | 38 min |
| Aug 3, 12:52 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 21 min |
| Aug 3, 1:01 PM EDT | Special Weather Statement | PHI | Hunterdon | 44 min |
| Aug 3, 1:27 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 48 min |
| Aug 3, 1:42 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Sussex, Warren | 63 min |
| Aug 3, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 30 min |
| Aug 3, 2:37 PM EDT | Special Weather Statement | PHI | Morris, Sussex | 38 min |
| Aug 3, 2:54 PM EDT | Special Marine Warning | PHI | 20 min | |
| Aug 3, 3:33 PM EDT | Special Weather Statement | PHI | Camden, Gloucester, Salem | 57 min |
| Aug 3, 4:31 PM EDT | Special Weather Statement | PHI | Salem | 59 min |
| Aug 3, 4:45 PM EDT | Special Weather Statement | PHI | Warren | 60 min |
| Aug 3, 5:25 PM EDT | Special Weather Statement | PHI | Monmouth, Ocean | 50 min |
| Aug 3, 5:27 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 63 min |
| Aug 3, 6:52 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 113 min |
| Aug 3, 7:56 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 4 hr |
| Aug 3, 3:42 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 63 min |
| Aug 3, 5:45 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 60 min |
| Aug 3, 7:37 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 4 hr |
| Aug 3, 3:29 PM EDT | Special Weather Statement | PHI | Sussex | 46 min |
Nearby
Special Weather Statements in New Jersey, 2018Every special weather statement 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.