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 Jan 30, 2017, 4:02 PM EST for Camden County, Cumberland County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 43 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
- Jan 30, 2017, 4:02 PM EST (21:02 UTC)
- Expired
- Jan 30, 2017, 4:45 PM EST
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 21:01 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.0 hours before the alert went out and 100 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
- 1403 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- -53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
021
WWUS81 KPHI 302102
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Mount Holly NJ
402 PM EST MON JAN 30 2017
NJZ015>019-021>024-027-PAZ070-071-104-106-302145-
Salem-Camden-Atlantic-Southeastern Burlington-Mercer-Northwestern
Burlington-Cumberland-Atlantic Coastal Cape May-Cape
May-Gloucester-Lower Bucks-Eastern Montgomery-Philadelphia-Delaware-
402 PM EST MON JAN 30 2017
...A DANGEROUS SNOW SQUALL WILL AFFECT portions of western
Atlantic... Cumberland...east central Salem...Camden...south central
Mercer... Gloucester...northwestern Cape May...central Burlington...
southeastern Montgomery...southeastern Bucks...Philadelphia and
southeastern Delaware Counties...
* Until 445 PM EST.
* At 400 PM EST...Scattered DANGEROUS SNOW SQUALLs Were along a line
extending from Ambler to Philadelphia International Airport to
Cedarville... AND MOVING east AT 25 MPH.
THese DANGEROUS SQUALLs WILL BE NEAR... Bridgeton, Cedarville and
Fairton around 405 PM EST. Millville, Deptford, Jenkintown,
Westville, Woodbury Heights, Abington, Willow Grove and Ben
Franklin Bridge around 410 PM EST. Camden, Gloucester City,
Bellmawr, Woodbury, Pitman, Hatboro, Brooklawn, Bryn Athyn,
Ivyland and Audubon Park around 415 PM EST. Rockledge, Dividing
Creek, Wissinoming and Golden Triangle around 420 PM EST.
Philadelphia, Magnolia, Laurel Lake, Northeast Philadelphia,
Ashland, Port Norris, Turnersville, Holmesburg, Erlton-Ellisburg and
Tacony around 425 PM EST. Cherry Hill, Lindenwold, Palmyra, Port
Elizabeth, Echelon, Bricksboro, Mauricetown, Feasterville,
Andalusia and Feasterville-Trevose around 430 PM EST. Cumberland,
Bensalem, Mount Laurel, Voorhees, Riverside, Langhorne, Langhorn and
Marlton around 435 PM EST. Evesham, Berlin and Beverly around 440
PM EST.
Other locations impacted by this dangerous squall include Oak Valley,
Cornwells Heights-Eddington, Collingdale, Churchville, Hulmeville,
Moorestown-Lenola, Merchantville, Tavistock, Gibbsboro and
Pennsauken.
VISIBILITIES WILL DROP QUICKLY TO LESS THAN A QUARTER OF A MILE IN
THIS DANGEROUS SQUALL. an inch of snow can fall in 10 minutes in
the worst of the squalls.
USE EXTRA CAUTION IF YOU MUST TRAVEL INTO OR THROUGH THIS DANGEROUS
SNOW SQUALL. RAPID CHANGES IN VISIBILITY AND POTENTIALLY SLICK ROADS
ARE LIKELY TO LEAD TO ACCIDENTS. CONSIDER DELAYING TRAVEL UNTIL THE
SQUALL PASSES YOUR LOCATION.
CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER SITUATIONS. BE
PREPARED FOR SNOW OR ICE COVERED ROADS. SLOW DOWN AND ALLOW EXTRA
TIME WHEN TRAVELING.
LAT...LON 3980 7468 3920 7467 3920 7468 3917 7467
3915 7469 3927 7509 3926 7509 3930 7518
3929 7520 3933 7530 4005 7529 4021 7527
4022 7464
TIME...MOT...LOC 2100Z 277DEG 22KT 4014 7521 3986 7523 3935 7523
$$
drag
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 30, 4:53 PM EST | Special Weather Statement | PHI | Atlantic, Burlington, Ocean | 52 min |
| Jan 30, 5:08 PM EST | Special Weather Statement | PHI | New Castle | 22 min |
Nearby
Special Weather Statements in New Jersey, 2017Special Weather Statements in Pennsylvania, 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.