Alert archive / New Jersey / Special Weather Statements in 2015
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at May 16, 2015, 8:21 PM EDT for 4 counties in New Jersey. It was in force for 54 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
- May 16, 2015, 8:21 PM EDT (00:21 UTC)
- Expired
- May 16, 2015, 9:15 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Somerset County, NJ
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.4 hours before the alert went out and 128 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
- 7 J/kg
- Mixed-layer CIN
- -261 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
248
WWUS81 KPHI 170021
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
821 PM EDT SAT MAY 16 2015
NJZ008>010-012>015-019-020-PAZ106-170115-
SOMERSET-MIDDLESEX-MORRIS-MERCER-NORTHWESTERN BURLINGTON-EASTERN
MONMOUTH-WESTERN MONMOUTH-HUNTERDON-OCEAN-LOWER BUCKS-
821 PM EDT SAT MAY 16 2015
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTH CENTRAL
BURLINGTON...MIDDLESEX...EAST CENTRAL HUNTERDON...SOUTHEASTERN
MORRIS...MERCER...NORTH CENTRAL OCEAN...MONMOUTH...SOMERSET AND
SOUTHEASTERN BUCKS COUNTIES...
AT 820 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR PEAPACK AND GLADSTONE TO LAWRENCEVILLE TO NEAR
BENSALEM...AND MOVING EAST AT 30 MPH.
WINDS IN EXCESS OF 35 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
OCCASIONAL 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.
LOCATIONS IMPACTED INCLUDE...
TRENTON...NEW BRUNSWICK...PERTH AMBOY...MORRISTOWN...SOMERVILLE...
SOMERSET...EDISON...MIDDLETOWN...OLD BRIDGE...HOWELL...EAST
BRUNSWICK...BRIDGEWATER...SOUTH BRUNSWICK...SAYREVILLE...NORTH
BRUNSWICK...MARLBORO...MANALAPAN...EWING...CARTERET AND TINTON FALLS.
LAT...LON 4041 7400 4036 7407 4014 7423 4012 7492
4030 7479 4073 7476 4085 7433 4074 7437
4067 7446 4065 7441 4060 7446 4060 7421
4050 7428 4046 7426 4041 7403 4042 7401
4047 7402 4045 7401
TIME...MOT...LOC 0020Z 255DEG 28KT 4068 7470 4032 7473 4011 7490
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:01 PM EDT | Special Weather Statement | PHI | Passaic | 44 min |
| May 16, 8:23 PM EDT | Special Weather Statement | PHI | Camden | 37 min |
| May 16, 8:25 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 3 hr |
| May 17, 5:39 PM EDT | Special Weather Statement | PHI | Northampton | 36 min |
| May 16, 8:38 PM EDT | Special Weather Statement | PHI | Caroline | 67 min |
Nearby
Special Weather Statements in New Jersey, 2015Every special weather statement in 2015
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.