Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 5, 2012Atlantic County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 5, 2012, 7:09 PM EDT for Atlantic County, Cumberland 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 5, 2012, 7:09 PM EDT (23:09 UTC)
Expired: Aug 5, 2012, 8:15 PM EDT
In force: 66 min
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Cumberland County, NJ

The radar

The Philadelphia radar (KDIX), 54 km from the middle of the area, began a volume at 23:12 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 12:00Z, 11.2 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: 733 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 871 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 55 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.

031 
WWUS81 KPHI 052309
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
709 PM EDT SUN AUG 5 2012

NJZ016>018-020>027-060015-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-GLOUCESTER NJ-
OCEAN NJ-SALEM NJ-SOUTHEASTERN BURLINGTON NJ-
709 PM EDT SUN AUG 5 2012

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

AT 708 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES NORTH OF
VINELAND TO 7 MILES WEST OF VINELAND TO 14 MILES NORTHEAST OF
DOVER...MOVING EAST AT 60 MPH. THE THUNDERSTORMS WILL BE NEAR
MALAGA...CHESILHURST AROUND 715 PM...WHARTON STATE FOREST...PENN
STATE FOREST AROUND 730 PM...SURF CITY...BEACH HAVEN WEST AROUND 745
PM...HARVEY CEDARS AND BARNEGAT LIGHT AROUND 800 PM.

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 AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

LAT...LON 3960 7419 3950 7430 3947 7429 3941 7434
      3935 7442 3930 7454 3922 7463 3924 7519
      3929 7526 3928 7529 3934 7534 3936 7540
      3975 7507 3976 7418 3972 7415 3976 7415
      3976 7409

$$

FORECASTER: HEAVENER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 3:49 AM EDT	Flash Flood Watch	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren	16 hr
Aug 5, 1:00 PM EDT	Special Weather Statement	PHI	Warren	30 min
Aug 5, 1:20 PM EDT	Special Weather Statement	PHI	Sussex	85 min
Aug 5, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	77 min
Aug 5, 5:22 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Hunterdon, Salem, Warren	68 min
Aug 5, 5:38 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	82 min
Aug 5, 5:52 PM EDT	Special Marine Warning	PHI		83 min
Aug 5, 6:16 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more	74 min
Aug 5, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	39 min
Aug 5, 7:30 PM EDT	Special Weather Statement	PHI	Atlantic, Cumberland, Monmouth, Ocean	60 min
Aug 5, 7:38 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Ocean	67 min
Aug 5, 7:40 PM EDT	Special Marine Warning	PHI		95 min
Aug 5, 12:15 PM EDT	Special Weather Statement	PHI	Carbon, Monroe	45 min
Aug 5, 12:29 PM EDT	Special Weather Statement	PHI	Northampton	31 min
Aug 5, 1:03 PM EDT	Special Weather Statement	PHI	Monroe	27 min
Aug 5, 4:12 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	78 min
Aug 5, 4:23 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	67 min
Aug 5, 4:40 PM EDT	Special Weather Statement	PHI	Cecil	95 min
Aug 5, 4:54 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	51 min
Aug 5, 5:10 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	80 min
Aug 5, 7:52 PM EDT	Special Weather Statement	PHI	Queen Anne's	68 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.