Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 6, 2012Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 6, 2012, 1:09 AM EDT for Atlantic County, New Jersey. It was in force for 66 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: Aug 6, 2012, 1:09 AM EDT (05:09 UTC)
Expired: Aug 6, 2012, 2:15 AM EDT
In force: 66 min
Issued by: NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 05:09 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 5.2 hours before the alert went out and 173 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: 1399 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

421 
WWUS81 KPHI 060509
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
109 AM EDT MON AUG 6 2012

NJZ020>027-060615-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-OCEAN NJ-
SOUTHEASTERN BURLINGTON NJ-
109 AM EDT MON AUG 6 2012

...STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...BURLINGTON...CAPE
MAY...CUMBERLAND AND OCEAN COUNTIES...

AT 105 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES NORTHEAST
OF VINELAND TO 11 MILES SOUTH OF MILLVILLE...MOVING EAST AT 35 MPH.
THE THUNDERSTORMS WILL BE NEAR LEESBURG...ELDORA AROUND 115 AM...PORT
REPUBLIC...SEAVILLE AROUND 130 AM...MYSTIC ISLAND...NEW GRETNA AROUND
145 AM...BEACH HAVEN AND NORTH BEACH HAVEN AROUND 200 AM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

LAT...LON 3955 7423 3950 7429 3945 7430 3935 7441
      3932 7450 3925 7460 3908 7472 3911 7490
      3917 7491 3919 7503 3921 7504 3918 7515
      3946 7491 3936 7477 3976 7426 3967 7414

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 9:17 PM EDT	Special Weather Statement	PHI	Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem	58 min
Aug 5, 9:48 PM EDT	Special Weather Statement	PHI	Burlington, Mercer, Monmouth	57 min
Aug 5, 10:00 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Monmouth, Ocean	60 min
Aug 5, 10:14 PM EDT	Special Marine Warning	PHI		2 hr
Aug 5, 10:42 PM EDT	Special Weather Statement	PHI	Monmouth	48 min
Aug 5, 10:47 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	43 min
Aug 5, 11:02 PM EDT	Special Weather Statement	PHI	Ocean	58 min
Aug 5, 11:25 PM EDT	Special Marine Warning	PHI		65 min
Aug 5, 11:31 PM EDT	Areal Flood Advisory	PHI	Salem	3 hr
Aug 5, 11:42 PM EDT	Special Weather Statement	PHI	Gloucester, Salem	63 min
Aug 6, 12:00 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester	60 min
Aug 6, 12:38 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more	3 hr
Aug 6, 12:46 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Ocean	59 min
Aug 6, 1:36 AM EDT	Special Marine Warning	PHI		54 min
Aug 6, 2:23 AM EDT	Special Weather Statement	PHI	Atlantic	67 min
Aug 6, 3:32 AM EDT	Special Weather Statement	PHI	Atlantic, Cumberland	58 min
Aug 6, 5:21 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Cumberland, Gloucester, Ocean	113 min
Aug 5, 10:50 PM EDT	Special Weather Statement	PHI	New Castle	55 min

Nearby

Special Weather Statements in New Jersey, 2012 Every special weather statement in 2012

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.