Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 15, 2012Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 15, 2012, 3:22 AM EDT for Sussex County, New Jersey. It was in force for 53 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 15, 2012, 3:22 AM EDT (07:22 UTC)
Expired: Aug 15, 2012, 4:15 AM EDT
In force: 53 min
Issued by: NWS Philadelphia/Mount Holly

County Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 144 km from the middle of the area, began a volume at 07:22 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, 7.4 hours before the alert went out and 149 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: 69 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1158 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

235 
WWUS81 KPHI 150722
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
322 AM EDT WED AUG 15 2012

NJZ001-150815-
SUSSEX NJ-
322 AM EDT WED AUG 15 2012

...A STRONG THUNDERSTORM WILL AFFECT SUSSEX COUNTY...

AT 318 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 15 MILES NORTH OF NEWTON...MOVING NORTHEAST AT 15
MPH. THE THUNDERSTORM WILL BE NEAR HIGH POINT AROUND 330 AM...VERNON
VALLEY AND HIGHLAND LAKE AROUND 345 AM.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

EXPECT SMALL HAIL AND FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING
FROM THIS STORM.

LAT...LON 4121 7437 4119 7437 4105 7460 4129 7483
      4135 7474 4136 7469

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 1:57 AM EDT	Special Weather Statement	PHI	Hunterdon, Somerset	63 min
Aug 15, 2:00 AM EDT	Special Weather Statement	PHI	Warren	90 min
Aug 15, 2:13 AM EDT	Special Weather Statement	PHI	Sussex	62 min
Aug 15, 3:10 AM EDT	Areal Flood Advisory	PHI	Sussex	111 min
Aug 15, 2:38 PM EDT	Special Weather Statement	PHI	Monmouth	52 min
Aug 15, 2:53 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	52 min
Aug 15, 2:58 PM EDT	Special Weather Statement	PHI	Atlantic	62 min
Aug 15, 3:17 PM EDT	Special Marine Warning	PHI		43 min
Aug 15, 3:23 PM EDT	Special Weather Statement	PHI	Sussex	52 min
Aug 15, 3:25 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	65 min
Aug 15, 4:14 PM EDT	Areal Flood Warning	PHI	Monmouth	3 hr
Aug 15, 4:24 PM EDT	Special Weather Statement	PHI	Atlantic	66 min
Aug 15, 4:33 PM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	87 min
Aug 15, 4:45 PM EDT	Special Weather Statement	PHI	Ocean	90 min
Aug 15, 5:22 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth	38 min
Aug 15, 5:28 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	34 min
Aug 15, 5:48 PM EDT	Special Weather Statement	PHI	Middlesex	57 min
Aug 15, 5:58 PM EDT	Special Weather Statement	PHI	Mercer	62 min
Aug 15, 6:06 PM EDT	Special Weather Statement	PHI	Monmouth	84 min
Aug 15, 6:19 PM EDT	Areal Flood Warning	PHI	Mercer, Middlesex, Monmouth, Ocean	118 min
Aug 15, 6:50 PM EDT	Areal Flood Warning	PHI	Morris	87 min
Aug 15, 6:58 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Gloucester	62 min
Aug 14, 11:10 PM EDT	Special Weather Statement	PHI	Berks	80 min
Aug 14, 11:40 PM EDT	Special Weather Statement	PHI	Berks, Chester	95 min
Aug 15, 12:28 AM EDT	Special Weather Statement	PHI	Berks, Lehigh, Montgomery	92 min
Aug 15, 12:49 AM EDT	Areal Flood Advisory	PHI	Berks, Chester, Lehigh, Montgomery	3 hr
Aug 15, 1:26 AM EDT	Special Weather Statement	PHI	Bucks, Montgomery	94 min
Aug 15, 1:28 AM EDT	Special Weather Statement	PHI	Carbon, Monroe	62 min
Aug 15, 1:48 AM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery	85 min
Aug 14, 10:37 PM EDT	Special Weather Statement	PHI	Kent	53 min
Aug 15, 6:55 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	49 min
Aug 15, 7:16 PM EDT	Severe Thunderstorm Warning	PHI	Queen Anne's, Talbot	35 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.