Alert archive / New Jersey / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 15, 2018, 11:39 PM EDT for Salem County, New Jersey; New Castle County, Delaware; Kent County, Maryland. It was in force for 36 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
- Oct 15, 2018, 11:39 PM EDT (03:39 UTC)
- Expired
- Oct 16, 2018, 12:15 AM EDT
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Kent County, MD, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 79 km from the middle of the area, began a volume at 03:41 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.7 hours before the alert went out and 144 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
- 16 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
849
WWUS81 KPHI 160339
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
1139 PM EDT MON OCT 15 2018
DEZ001-002-MDZ008-012-015-NJZ016-017-021-160415-
Kent-New Castle-Queen Anne's-Cecil-Kent-Salem-Cumberland-Gloucester-
1139 PM EDT MON OCT 15 2018
...A LINE OF SHOWERS WILL AFFECT NEW CASTLE...NORTHWESTERN KENT...
NORTHEASTERN QUEEN ANNE'S...KENT...SOUTHEASTERN CECIL...NORTHWESTERN
CUMBERLAND...SALEM AND CENTRAL GLOUCESTER COUNTIES...
At 1139 PM EDT, radar indicated showers were located along a line
extending from near Wilmington Manor to Newtown. Movement was east at
35 mph.
Winds up to 40 mph are possible with these showers.
Locations impacted include...
Wilmington, Middletown, Elkton, Glassboro, Pennsville, Smyrna,
Carneys Point, New Castle, Chestertown, Salem, Woodstown, Alloway,
Clayton, Quinton, Delaware City, Elmer, Newport, Cecilton, Millington
and Shiloh.
LAT...LON 3929 7617 3932 7618 3934 7616 3933 7614
3937 7611 3937 7606 3942 7600 3948 7600
3972 7561 3971 7552 3967 7555 3966 7553
3971 7550 3968 7495 3915 7579 3926 7622
TIME...MOT...LOC 0339Z 280DEG 31KT 3967 7563 3932 7618
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 11:19 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex, Monmouth | 56 min |
| Oct 15, 11:41 PM EDT | Special Marine Warning | PHI | 94 min | |
| Oct 16, 12:01 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Ocean, Salem | 44 min |
| Oct 16, 12:41 AM EDT | Special Weather Statement | PHI | Atlantic, Cape May, Cumberland, Ocean | 49 min |
| Oct 16, 1:22 AM EDT | Special Weather Statement | PHI | Cape May | 38 min |
| Oct 16, 3:58 PM EDT | Gale Warning | PHI | 40 hr | |
| Oct 16, 3:58 PM EDT | Small Craft Advisory | PHI | 24 hr | |
| Oct 15, 10:55 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 35 min |
| Oct 16, 1:05 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 40 min |
Nearby
Special Weather Statements in New Jersey, 2018Special Weather Statements in Delaware, 2018Special Weather Statements in Maryland, 2018Every special weather statement in 2018
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.