Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 27, 2021, 7:28 PM EDT for Hunterdon County, Middlesex County, Somerset County, New Jersey. It was in force for 32 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 27, 2021, 7:28 PM EDT (23:28 UTC)
- Expired
- Jul 27, 2021, 8:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 23:29 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, 11.5 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2105 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979
WWUS81 KPHI 272328
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
728 PM EDT Tue Jul 27 2021
NJZ007-009-010-012-PAZ062-105-280000-
Hunterdon-Somerset-Middlesex-Warren-Upper Bucks-Northampton-
728 PM EDT Tue Jul 27 2021
...AN OUTFLOW BOUNDARY FROM PREVIOUS THUNDERSTORMS WILL AFFECT
HUNTERDON...SOUTHWESTERN WARREN...SOMERSET...NORTHERN
MIDDLESEX...NORTH CENTRAL BUCKS AND SOUTHEASTERN NORTHAMPTON
COUNTIES...
At 726 PM EDT, radar indicated that an outflow boundary from
previous thunderstorms was located along a line extending from near
Plainfield to near Lebanon to Wilson. Movement was southeast at 25
mph.
Wind gusts up to 40 mph are possible. Little or no rain is expected.
Locations impacted include...
New Brunswick, Perth Amboy, Easton, Somerville, Somerset, Edison,
Bethlehem, East Brunswick, Bridgewater, Sayreville, North Brunswick,
Carteret, Forks, Middlesex, Bound Brook, Manville, Wilson, Nazareth,
Flemington and Clinton.
This includes the following highways...
New Jersey Turnpike between exits 10 and 12.
Interstate 78 in Pennsylvania between mile markers 68 and 76.
Interstate 78 in New Jersey between mile markers 0 and 18, and
between mile markers 27 and 41.
Interstate 287 in New Jersey between mile markers 0 and 21.
Garden State Parkway between mile markers 121 and 133.
If outdoors, consider seeking shelter inside a building.
LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
4045 7423 4043 7425 4040 7474 4042 7475
4041 7481 4052 7530 4075 7539 4064 7487
4066 7440 4063 7442 4060 7446 4059 7420
TIME...MOT...LOC 2326Z 336DEG 22KT 4061 7437 4059 7485 4068 7527
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 24 min |
| Jul 27, 6:07 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 23 min |
| Jul 27, 6:50 PM EDT | Special Weather Statement | PHI | Morris | 25 min |
| Jul 27, 7:07 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 23 min |
| Jul 27, 7:25 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth, Ocean | 35 min |
| Jul 27, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 42 min |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
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.