Alert archive / New Jersey / Special Weather Statements in 2017
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 5, 2017, 4:15 AM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 45 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 5, 2017, 4:15 AM EDT (08:15 UTC)
- Expired
- Aug 5, 2017, 5:00 AM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 08:15 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, 8.3 hours before the alert went out and 125 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
- 425 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
814
WWUS81 KPHI 050815
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
415 AM EDT SAT AUG 5 2017
NJZ008-010-012>014-020-050900-
Morris-Eastern Monmouth-Ocean-Western Monmouth-Somerset-Middlesex-
415 AM EDT SAT AUG 5 2017
...A LINE OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL AFFECT
NORTH CENTRAL OCEAN... SOUTHEASTERN MORRIS...EASTERN
SOMERSET...MONMOUTH AND MIDDLESEX COUNTIES...
At 413 AM EDT, radar indicated heavy showers and embedded
thunderstorms were located along a line extending from near Basking
Ridge to near Plainfield to near Millstone to near Dayton to near
Manalapan to near Six Flags Theme Park. Movement was northeast at 35
mph.
Local winds gusts to 35 mph are possible with this line, especially
along the leading edge of the heavy rain.
Locations impacted include...
New Brunswick, Perth Amboy, Long Branch, Morristown, Asbury Park,
Somerset, Edison, Middletown, Old Bridge, Howell, East Brunswick,
South Brunswick, Sayreville, North Brunswick, Marlboro, Manalapan,
Carteret, Tinton Falls, Holmdel and Madison.
Heavy rainfall is occurring with these showers and storms, and may
cause localized flooding and will result in times of significantly
reduced visibilities. Do not drive your vehicle through flooded
roadways.
Occasional cloud to ground lightning is occurring. Lightning can
strike 10 miles away from a thunderstorm. Seek a safe shelter inside
a building or vehicle.
LAT...LON 4028 7398 4018 7402 4010 7448 4026 7445
4047 7459 4059 7451 4075 7457 4085 7433
4074 7437 4067 7446 4065 7440 4060 7446
4060 7421 4050 7428 4047 7427 4042 7401
4043 7400 4048 7402 4048 7401 4047 7400
TIME...MOT...LOC 0813Z 228DEG 29KT 4072 7450 4063 7446 4051 7455 4040
7447 4030 7440 4012 7447
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 1:42 AM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 48 min |
| Aug 5, 3:32 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex | 58 min |
| Aug 5, 4:42 AM EDT | Special Marine Warning | PHI | 63 min | |
| Aug 5, 3:24 PM EDT | Small Craft Advisory | PHI | 12 hr | |
| Aug 4, 11:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 69 min |
| Aug 4, 11:49 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh | 56 min |
| Aug 5, 12:10 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 51 min |
| Aug 5, 1:59 AM EDT | Special Weather Statement | PHI | Chester, Montgomery | 46 min |
| Aug 5, 2:38 AM EDT | Special Weather Statement | PHI | Chester | 52 min |
| Aug 5, 2:41 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery, Philadelphia | 49 min |
Nearby
Special Weather Statements in New Jersey, 2017Every special weather statement in 2017
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.