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 Jul 7, 2015, 4:12 PM EDT for Mercer County, New Jersey. It was in force for 33 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
- Jul 7, 2015, 4:12 PM EDT (20:12 UTC)
- Expired
- Jul 7, 2015, 4:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 47 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 157 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
- 637 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
376
WWUS81 KPHI 072012
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
412 PM EDT TUE JUL 7 2015
NJZ010-012-015-072045-
SOMERSET-MIDDLESEX-MERCER-
412 PM EDT TUE JUL 7 2015
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MERCER...SOUTH CENTRAL
SOMERSET AND SOUTHWESTERN MIDDLESEX COUNTIES...
AT 411 PM EDT...A STRONG THUNDERSTORM WAS OVER PRINCETON...OR 8 MILES
NORTHEAST OF TRENTON...MOVING EAST AT 25 MPH.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING OF POOR DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE
THROUGH FLOODED ROADWAYS.
OCCASIONAL CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING WITH THIS
STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK
A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.
WIND GUSTS UP TO 35 MPH ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR...
PRINCETON AROUND 420 PM EDT.
ROCKY HILL...KINGSTON AND PLAINSBORO CENTER AROUND 425 PM EDT.
HIGHTSTOWN AND PRINCETON MEADOWS AROUND 430 PM EDT.
SOUTH BRUNSWICK...CRANBURY AND KENDALL PARK AROUND 435 PM EDT.
DAYTON AND CLEARBROOK PARK AROUND 440 PM EDT.
EAST BRUNSWICK...JAMESBURG...WHITTINGHAM AND NORTH BRUNSWICK
TOWNSHIP AROUND 445 PM EDT.
OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE ROSSMOOR...PRINCETON
JUNCTION...CONCORDIA...MONMOUTH JUNCTION...PRINCETON NORTH AND
HEATHCOTE.
LAT...LON 4030 7439 4024 7475 4034 7481 4040 7471
4050 7453
TIME...MOT...LOC 2011Z 249DEG 20KT 4033 7469
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:18 PM EDT | Flash Flood Warning | PHI | Hunterdon | 4 hr |
| Jul 6, 8:52 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Jul 7, 3:26 PM EDT | Special Weather Statement | PHI | Morris, Warren | 64 min |
| Jul 7, 3:49 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 7, 4:36 PM EDT | Special Weather Statement | PHI | Middlesex | 39 min |
| Jul 7, 4:51 PM EDT | Special Weather Statement | PHI | Warren | 39 min |
| Jul 7, 3:28 PM EDT | Special Weather Statement | PHI | Northampton | 62 min |
| Jul 7, 3:54 PM EDT | Special Weather Statement | PHI | Monroe | 36 min |
| Jul 7, 4:20 PM EDT | Special Weather Statement | PHI | Monroe | 40 min |
| Jul 6, 10:05 PM EDT | Special Weather Statement | PHI | Harford | 55 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; radar from the NEXRAD Level II archive.