Alert archive / New Jersey / Special Weather Statements in 2015

Special Weather Statement, NWS Philadelphia/Mount Holly

September 30, 2015Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 30, 2015, 1:16 AM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 59 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: Sep 30, 2015, 1:16 AM EDT (05:16 UTC)
Expired: Sep 30, 2015, 2:15 AM EDT
In force: 59 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 05:20 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, 5.3 hours before the alert went out and 186 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: 231 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Sep 30, 12:26 AM EDT, 50 minutes earlier.

Area forecast discussion, Sep 30, 12:26 AM EDT, 50 minutes before

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Hazardous weather outlook, Sep 29, 9:38 PM EDT, 3 hours 38 minutes before

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In the hours before

Special weather statement, Sep 30, 1:16 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 29, 8:59 PM EDT	Gale Watch	PHI		19 hr
Sep 29, 8:59 PM EDT	Gale Warning	PHI		5 days
Sep 29, 8:59 PM EDT	Small Craft Advisory	PHI		24 hr
Sep 29, 11:53 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	3 hr
Sep 30, 1:55 AM EDT	Special Weather Statement	PHI	Middlesex, Monmouth, Ocean	95 min
Sep 30, 10:09 AM EDT	Coastal Flood Advisory	PHI	Middlesex, Monmouth, Ocean	3 hr
Sep 30, 4:11 PM EDT	Coastal Flood Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	37 hr
Sep 30, 4:17 PM EDT	Small Craft Advisory	PHI		12 hr
Sep 30, 4:17 PM EDT	Storm Watch	PHI		35 hr
Sep 30, 4:44 PM EDT	High Wind Watch	PHI	Atlantic, Cape May, Monmouth, Ocean	36 hr
Sep 30, 1:20 AM EDT	Severe Thunderstorm Warning	PHI	Berks	55 min

Nearby

Special Weather Statements in New Jersey, 2015 Every special weather statement in 2015

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.