Alert archive / New Jersey / Special Weather Statements in 2016
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 17, 2016, 12:29 AM EDT for Mercer County, Middlesex County, Somerset 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 17, 2016, 12:29 AM EDT (04:29 UTC)
- Expired
- Aug 17, 2016, 1:15 AM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 04:31 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, 4.5 hours before the alert went out and 130 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
- 2100 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.3
The text
As transmitted.
263
WWUS81 KPHI 170429
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1229 AM EDT WED AUG 17 2016
NJZ008>010-012-013-015-019-PAZ106-170515-
SOMERSET-MORRIS-WESTERN
MONMOUTH-HUNTERDON-MERCER-MIDDLESEX-NORTHWESTERN BURLINGTON-LOWER
BUCKS-
1229 AM EDT WED AUG 17 2016
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MERCER...SOUTHEASTERN
HUNTERDON...WESTERN MONMOUTH...SOMERSET...SOUTHEASTERN MORRIS...
MIDDLESEX...NORTHERN BURLINGTON AND EAST CENTRAL BUCKS COUNTIES...
AT 1229 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR BOONTON TO NEAR RICHBORO...AND MOVING EAST AT 25
MPH.
WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
TRENTON...NEW BRUNSWICK...PERTH AMBOY...MORRISTOWN...SOMERVILLE...
SOMERSET...EDISON...OLD BRIDGE...EAST BRUNSWICK...BRIDGEWATER...
SOUTH BRUNSWICK...SAYREVILLE...NORTH BRUNSWICK...EWING...CARTERET...
MADISON...MIDDLESEX...PRINCETON...FLORHAM PARK AND EAST HANOVER.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
4048 7427 4013 7462 4027 7514 4094 7442
4091 7427 4090 7427 4091 7433 4083 7433
4076 7438 4075 7436 4067 7446 4065 7440
4060 7446 4060 7421
TIME...MOT...LOC 0429Z 283DEG 23KT 4088 7438 4028 7502
$$
MWGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 1:08 AM EDT | Special Weather Statement | PHI | Camden, Gloucester | 37 min |
| Aug 17, 1:33 AM EDT | Special Weather Statement | PHI | Mercer, Monmouth | 42 min |
| Aug 17, 1:46 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 44 min |
| Aug 17, 2:27 AM EDT | Special Weather Statement | PHI | Ocean | 48 min |
| Aug 17, 12:13 AM EDT | Special Weather Statement | PHI | Bucks | 32 min |
| Aug 17, 12:33 AM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 42 min |
Nearby
Special Weather Statements in New Jersey, 2016Every special weather statement in 2016
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.