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 18, 2017, 8:26 PM EDT for Atlantic County, Cape May County, Ocean County, New Jersey. It was in force for 49 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 18, 2017, 8:26 PM EDT (00:26 UTC)
- Expired
- Aug 18, 2017, 9:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Atlantic County, NJ, Cape May County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 00:29 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.4 hours before the alert went out and 195 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
- 394 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1406 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
298
WWUS81 KPHI 190026
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
826 PM EDT FRI AUG 18 2017
NJZ020>027-190115-
Coastal Atlantic-Cumberland-Coastal Ocean-Ocean-Atlantic-Atlantic
Coastal Cape May-Cape May-Southeastern Burlington-
826 PM EDT FRI AUG 18 2017
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...SOUTHEASTERN
CUMBERLAND...SOUTHERN OCEAN...CAPE MAY AND SOUTHEASTERN BURLINGTON
COUNTIES...
At 826 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Penn State Forest to near North Cape
May. Movement was east at 25 mph.
Winds up to 40 mph and pea size hail are possible with these storms.
Locations impacted include...
Atlantic City, Ocean City, Barnegat, Pleasantville, Hammonton,
Beachwood, Somers Point, Brigantine, Northfield, Absecon, Egg Harbor
City, North Wildwood, Tuckerton, Wildwood Crest, Weymouth, Woodbine,
Sea Isle City, Estell Manor, Avalon and Surf City.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 3969 7416 3971 7413 3950 7434 3956 7441
3941 7440 3949 7431 3942 7434 3933 7468
3929 7455 3899 7479 3893 7497 3916 7489
3920 7502 3985 7459 3993 7411 3986 7413
3986 7412 3994 7407
TIME...MOT...LOC 0026Z 269DEG 21KT 3976 7449 3903 7500
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:55 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Aug 18, 8:43 PM EDT | Special Weather Statement | PHI | Sussex | 32 min |
| Aug 18, 9:08 PM EDT | Special Weather Statement | PHI | Sussex | 52 min |
| Aug 18, 9:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 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.