Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 27, 2012Atlantic County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 27, 2012, 1:32 PM EDT for Atlantic County, Ocean County, New Jersey. It was in force for 58 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 27, 2012, 1:32 PM EDT (17:32 UTC)
Expired: Aug 27, 2012, 2:30 PM EDT
In force: 58 min
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 19 km from the middle of the area, began a volume at 17:32 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 12:00Z, 5.5 hours before the alert went out and 156 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: 123 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 71 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.

133 
WWUS81 KPHI 271732
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
132 PM EDT MON AUG 27 2012

NJZ014-020-022-025>027-271830-
ATLANTIC NJ-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-
OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
132 PM EDT MON AUG 27 2012

...A LINE OF STRONG THUNDERSTORMS WILL CONTINUE TO AFFECT 
ATLANTIC...BURLINGTON...MONMOUTH AND OCEAN COUNTIES...

AT 128 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM COASTAL MONMOUTH 
COUNTY ALL THE WAY TO EASTERN ATLANTIC COUNTY....MOVING NORTHEAST AT 
20 MPH. THESE STORMS WILL AFFECT THE SHORE AREAS.

WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

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

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

LAT...LON 4029 7397 3989 7408 3980 7407 3960 7419
      3936 7440 3929 7453 3935 7484 3989 7426
      4007 7409 4048 7400 4041 7396

$$

FORECASTER: GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 10:07 AM EDT	Special Weather Statement	PHI	Somerset	23 min
Aug 27, 10:25 AM EDT	Special Weather Statement	PHI	Middlesex, Somerset	35 min
Aug 27, 10:34 AM EDT	Special Weather Statement	PHI	Camden, Mercer	26 min
Aug 27, 10:57 AM EDT	Special Weather Statement	PHI	Union	33 min
Aug 27, 11:03 AM EDT	Special Weather Statement	PHI	Union	12 min
Aug 27, 11:12 AM EDT	Special Weather Statement	PHI	Burlington, Camden	48 min
Aug 27, 11:32 AM EDT	Special Weather Statement	PHI	Middlesex	28 min
Aug 27, 11:54 AM EDT	Special Weather Statement	PHI	Atlantic	36 min
Aug 27, 12:03 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth	42 min
Aug 27, 12:30 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Ocean	2 hr
Aug 27, 12:50 PM EDT	Special Weather Statement	PHI	Monmouth	40 min
Aug 27, 1:12 PM EDT	Special Marine Warning	PHI		80 min
Aug 27, 2:28 PM EDT	Areal Flood Advisory	PHI	Burlington, Mercer, Middlesex, Monmouth	2 hr
Aug 27, 3:28 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Somerset	69 min
Aug 27, 3:59 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex	72 min
Aug 27, 5:08 AM EDT	Special Weather Statement	PHI	Chester	52 min
Aug 27, 6:41 AM EDT	Special Weather Statement	PHI	Chester, Montgomery	49 min
Aug 27, 8:25 AM EDT	Special Weather Statement	PHI	Bucks, Delaware, Montgomery, Philadelphia	65 min
Aug 27, 10:00 AM EDT	Special Weather Statement	PHI	Philadelphia	30 min
Aug 27, 11:46 AM EDT	Areal Flood Advisory	PHI	Sussex	119 min
Aug 27, 1:40 PM EDT	Areal Flood Advisory	PHI	Sussex	57 min
Aug 26, 8:44 PM EDT	Special Weather Statement	PHI	Caroline	91 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.