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 Mar 3, 2017, 3:04 PM EST for Gloucester County, Salem County, New Jersey; New Castle County, Delaware. It was in force for 41 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
- Mar 3, 2017, 3:04 PM EST (20:04 UTC)
- Expired
- Mar 3, 2017, 3:45 PM EST
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Gloucester County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 20:08 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 12:00Z, 8.1 hours before the alert went out and 178 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
- 950 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- -136 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
582
WWUS81 KPHI 032004
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
304 PM EST FRI MAR 3 2017
DEZ001-NJZ016>018-021-022-PAZ070-102-032045-
New
Castle-Salem-Cumberland-Camden-Atlantic-Gloucester-Delaware-Eastern
Chester-
304 PM EST FRI MAR 3 2017
...A SNOW SQUALL WILL AFFECT NORTHERN NEW CASTLE...NORTHWESTERN
ATLANTIC...NORTHWESTERN CUMBERLAND...SALEM...SOUTHEASTERN CAMDEN...
GLOUCESTER...SOUTHEASTERN CHESTER AND SOUTHWESTERN DELAWARE
COUNTIES...
At 300 PM EST, a snow squall was located over over Wilmington
and New Castle, moving east at 30 mph.
Locations impacted include...
Wilmington, Vineland, Newark, Millville, Bridgeton, Chester,
Glassboro, Hammonton, Pennsville, Pitman, Clayton, Carneys Point,
Elsmere, Paulsboro, New Castle, Penns Grove, Salem, Buena, Woodstown
and Alloway.
Visibilities will drop quickly to a quarter mile or less in spots
for a few minutes in this squall. Winds in excess of 40 mph are
possible with this squall. Any snowfall accumulations will be
limited to grassy surfaces.
Use extra caution if you must travel into or through this dangerous
snow squall. Rapid changes in visibility could lead to accidents.
LAT...LON 3990 7548 3968 7479 3929 7521 3938 7542
3944 7546 3946 7554 3954 7554 3957 7551
3962 7557 3966 7552 3972 7551 3962 7561
3960 7561 3959 7556 3959 7557 3951 7556
3946 7559 3948 7565 3968 7577
TIME...MOT...LOC 2000Z 283DEG 27KT 3973 7548
$$
JRKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 3:18 PM EST | Special Weather Statement | PHI | Sussex, Warren | 57 min |
| Mar 3, 4:08 PM EST | Special Weather Statement | PHI | Warren | 37 min |
| Mar 3, 4:48 PM EST | Special Weather Statement | PHI | Hunterdon, Mercer | 42 min |
| Mar 3, 4:54 PM EST | Special Weather Statement | PHI | Morris, Somerset | 36 min |
| Mar 3, 5:31 PM EST | Special Weather Statement | PHI | Camden, Mercer | 29 min |
| Mar 3, 5:52 PM EST | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 23 min |
| Mar 3, 6:17 PM EST | Special Weather Statement | PHI | Burlington, Ocean | 28 min |
| Mar 3, 3:08 PM EST | Special Weather Statement | PHI | Montgomery | 37 min |
| Mar 3, 3:42 PM EST | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 33 min |
Nearby
Special Weather Statements in New Jersey, 2017Special Weather Statements in Delaware, 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.