Alert archive / New Jersey / Special Weather Statements in 2013

Special Weather Statement, NWS Philadelphia/Mount Holly

May 8, 20134 counties in New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 8, 2013, 7:13 AM EDT for 4 counties in New Jersey. It was in force for 92 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: May 8, 2013, 7:13 AM EDT (11:13 UTC)
Expired: May 8, 2013, 8:45 AM EDT
In force: 92 min
Issued by: NWS Philadelphia/Mount Holly

Counties Burlington County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 11:14 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

Brookhaven, NY (KOKX), launched 00:00Z, 11.2 hours before the alert went out and 142 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: 3 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 865 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

557 
WWUS81 KPHI 081113
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
713 AM EDT WED MAY 8 2013

NJZ012>015-019-020-026-027-081245-
COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-MERCER NJ-MIDDLESEX NJ-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
WESTERN MONMOUTH NJ-
713 AM EDT WED MAY 8 2013

...THUNDERSTORMS WILL AFFECT 
BURLINGTON...MERCER...MIDDLESEX...MONMOUTH AND OCEAN COUNTIES...

AT 708 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES EAST OF
ROCKAWAY BEACH TO 11 MILES NORTH OF ATLANTIC CITY...MOVING NORTHWEST
AT 15 MPH. THE THUNDERSTORMS WILL BE NEAR WEST LONG BRANCH...SOUTH
TOMS RIVER...SEA BRIGHT...OAKHURST AROUND 720 AM...SILVER RIDGE...
RUMSON...PLEASANT PLAINS...OCEANPORT AROUND 725 AM...TINTON FALLS AND
LITTLE SILVER AROUND 730 AM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS. THE HEAVIEST RAIN
SHOULD AFFECT MONMOUTH COUNTY.

CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO NOT 
SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS 
WHEN A THUNDERSTORM APPROACHES.

LAT...LON 4030 7397 3996 7405 3989 7413 3972 7419
      3950 7433 3950 7435 3954 7435 3962 7463
      3986 7487 4039 7457 4049 7446 4052 7449
      4060 7445 4061 7422 4047 7426 4043 7400
      4048 7402 4048 7400 4045 7396

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 8:49 AM EDT	Special Weather Statement	PHI	Burlington, Mercer	56 min
May 8, 10:15 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Somerset	3 hr
May 8, 11:23 AM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth, Somerset	3 hr
May 8, 12:05 PM EDT	Special Weather Statement	PHI	Morris, Sussex	85 min
May 8, 12:24 PM EDT	Special Weather Statement	PHI	Morris, Sussex	66 min
May 8, 1:13 PM EDT	Areal Flood Advisory	PHI	Hunterdon	3 hr
May 8, 1:32 PM EDT	Special Weather Statement	PHI	Morris, Sussex	88 min
May 8, 7:29 PM EDT	Special Weather Statement	PHI	Hunterdon	46 min
May 8, 12:43 PM EDT	Special Weather Statement	PHI	Berks, Montgomery, Philadelphia	62 min
May 8, 5:38 PM EDT	Special Weather Statement	PHI	Montgomery	37 min
May 8, 6:04 PM EDT	Special Weather Statement	PHI	Berks	56 min
May 8, 6:27 PM EDT	Special Weather Statement	PHI	Berks	48 min
May 8, 6:31 PM EDT	Special Weather Statement	PHI	Lehigh	44 min
May 8, 7:05 PM EDT	Areal Flood Advisory	PHI	Carbon	115 min

Nearby

Special Weather Statements in New Jersey, 2013 Every special weather statement in 2013

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.