Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

January 30, 2017Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jan 30, 2017, 4:53 PM EST for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 52 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, 4:53 PM EST (21:53 UTC)
Expired: Jan 30, 2017, 5:45 PM EST
In force: 52 min
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 37 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 148 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

710 
WWUS81 KPHI 302153
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Mount Holly NJ
453 PM EST MON JAN 30 2017
 
NJZ013-018>027-302245-
Coastal Atlantic-Northwestern Burlington-Cumberland-Camden-Coastal
Ocean-Ocean-Western Monmouth-Atlantic-Atlantic Coastal Cape May-Cape
May-Southeastern Burlington-
453 PM EST MON JAN 30 2017

...A DANGEROUS SNOW SQUALL WILL AFFECT portions of Atlantic...east 
central Cumberland...Ocean...southeastern Camden...southeastern 
Gloucester... northeastern Cape May...Burlington and southwestern 
Monmouth Counties...

* Until 545 PM EST.

* At 451 PM EST...scattered DANGEROUS SNOW SQUALLs Were along a line 
  extending from Columbus to near Marlton Lakes to Dorothy to 
  Seaville...AND MOVING east AT 25 MPH.

THIS DANGEROUS SQUALLs WILL BE NEAR...  Woodbine, Estell Manor, 
Seaville, Dorothy, Dennisville and   Belleplain Forest around 455 PM 
EST.   Sea Isle City, Pemberton, Strathmere and Leisuretowne around 
500   PM EST.   Tabernacle, Wrightstown and Mays Landing around 505 
PM EST.   Shamong and Atsion around 510 PM EST.   English Creek and 
Browns Mills around 515 PM EST.   Corbin City, Wharton State Forest, 
Beesleys Point and Marmora   around 520 PM EST.   Ocean City, Somers 
Point and Woodruff around 525 PM EST.   Northfield and Chatsworth 
around 530 PM EST. 

Other locations impacted by this dangerous squall include Country
Lake Estates, Silver Ridge, Point Pleasant, Mystic Island, Leisure
Knoll, Nws Office, Crestwood Village, Ocean Acres, Folsom and
Collings Lakes.

VISIBILITIES WILL DROP QUICKLY TO LESS THAN A QUARTER OF A MILE IN 
THIS DANGEROUS SQUALL.  One half to 1 inch of snow may fall in a few 
spots in 10 to 20 minutes. 

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 4006 7412 4005 7405 3999 7414 3958 7422
      3961 7428 3950 7429 3954 7440 3956 7441
      3941 7440 3949 7431 3943 7433 3936 7442
      3933 7468 3929 7455 3915 7469 3921 7488
      4005 7489 4008 7404
TIME...MOT...LOC 2151Z 284DEG 21KT 4008 7471 3983 7483 3938 7484 3920
7472
$$

&&
drag

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 30, 4:02 PM EST	Special Weather Statement	PHI	Camden, Cumberland, Gloucester	43 min
Jan 30, 5:08 PM EST	Special Weather Statement	PHI	New Castle	22 min

Nearby

Special Weather Statements in New Jersey, 2017 Every 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.