Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

July 29, 20117 counties in New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 29, 2011, 2:42 AM EDT for 7 counties in New Jersey. It was in force for 63 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: Jul 29, 2011, 2:42 AM EDT (06:42 UTC)
Expired: Jul 29, 2011, 3:45 AM EDT
In force: 63 min
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 19 km from the middle of the area, began a volume at 06:45 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, 6.7 hours before the alert went out and 179 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: 1 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1044 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 111 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.

380 
WWUS81 KPHI 290642
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
242 AM EDT FRI JUL 29 2011

NJZ012>023-026-027-290745-
ATLANTIC NJ-CAMDEN NJ-CAPE MAY NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-
EASTERN MONMOUTH NJ-GLOUCESTER NJ-MERCER NJ-MIDDLESEX NJ-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SALEM NJ-
SOUTHEASTERN BURLINGTON NJ-WESTERN MONMOUTH NJ-
242 AM EDT FRI JUL 29 2011

...SHOWERS AND POSSIBLE THUNDERSTORMS WITH GUSTY WINDS WILL AFFECT 
PORTIONS OF CENTRAL AND SOUTHERN NEW JERSEY... 

AT 234 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS AND POSSIBLE THUNDERSTORMS WITH GUSTY WINDS ALONG A LINE 
EXTENDING FROM 4 MILES SOUTHEAST OF NEW BRUNSWICK TO 19 MILES EAST 
OF CAMDEN TO 16 MILES SOUTH OF CAMDEN TO 15 MILES NORTHWEST OF 
MILLVILLE...MOVING SOUTHEAST AT 20 MPH. THE SHOWERS AND POSSIBLE 
THUNDERSTORMS WILL BE NEAR PEMBERTON HEIGHTS...WRIGHTSTOWN AROUND 
245 AM...MORGANVILLE...MATAWAN AROUND 300 AM...HOLMDEL...LINCROFT 
AROUND 315 AM...TINTON FALLS...WANAMASSA AROUND 330 AM...BRICK 
TOWNSHIP AND SPRING LAKE HEIGHTS AROUND 345 AM.

VERY HEAVY RAIN WILL FALL FROM THE SHOWERS AND STORMS...AND WILL 
CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND 
SMALL STREAMS.

WIND GUSTS TO 35 MPH ARE POSSIBLE WITH ANY THUNDERSTORM.

LAT...LON 4014 7402 3990 7406 3987 7409 3991 7410
      3990 7412 3974 7418 3961 7427 3953 7440
      3912 7489 3916 7492 3920 7507 3945 7546
      3996 7481 4055 7439 4027 7397

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 3:45 AM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Camden, Cumberland, Ocean	60 min
Jul 29, 5:12 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	108 min
Jul 29, 5:59 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	61 min
Jul 29, 6:17 PM EDT	Special Weather Statement	PHI	Monmouth	58 min
Jul 29, 6:23 PM EDT	Special Marine Warning	PHI		97 min
Jul 29, 6:24 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	66 min
Jul 29, 6:25 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex	20 min
Jul 29, 7:03 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	46 min
Jul 29, 7:14 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	42 min
Jul 29, 7:27 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	63 min
Jul 29, 7:40 PM EDT	Special Marine Warning	PHI		95 min
Jul 29, 3:44 PM EDT	Special Weather Statement	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	2 hr
Jul 29, 4:40 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh	65 min
Jul 29, 5:56 PM EDT	Special Weather Statement	PHI	Bucks	64 min
Jul 29, 6:05 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	55 min
Jul 29, 6:43 PM EDT	Severe Thunderstorm Warning	PHI	Philadelphia	49 min
Jul 29, 7:13 PM EDT	Special Weather Statement	PHI	Montgomery	62 min
Jul 29, 7:31 PM EDT	Special Weather Statement	PHI	Bucks, Montgomery, Philadelphia	59 min
Jul 28, 9:10 PM EDT	Special Weather Statement	PHI	Caroline, Kent, Queen Anne's	65 min
Jul 28, 9:26 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	45 min

Nearby

Special Weather Statements in New Jersey, 2011 Every special weather statement in 2011

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.