Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

August 9, 2011Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 9, 2011, 3:27 PM EDT for Atlantic County, 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
Aug 9, 2011, 3:27 PM EDT (19:27 UTC)
Expired
Aug 9, 2011, 4:30 PM EDT
In force
63 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 19:28 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.5 hours before the alert went out and 140 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-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2011-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2011-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
210 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1178 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

166 
WWUS81 KPHI 091927
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
327 PM EDT TUE AUG 9 2011

NJZ020>027-092030-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-OCEAN NJ-
SOUTHEASTERN BURLINGTON NJ-
327 PM EDT TUE AUG 9 2011

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

AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 18 MILES NORTHEAST
OF VINELAND TO 15 MILES WEST OF ATLANTIC CITY TO 14 MILES SOUTHEAST
OF MILLVILLE...MOVING EAST AT 20 MPH. THE THUNDERSTORMS WILL BE NEAR
WADING RIVER...DENNISVILLE AROUND 345 PM...NEW GRETNA...STRATHMERE
AROUND 400 PM...MYSTIC ISLAND...BEACH HAVEN AROUND 415 PM AND NORTH
BEACH HAVEN AROUND 430 PM.

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

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

LAT...LON 3954 7423 3950 7428 3950 7433 3953 7434
      3953 7440 3949 7438 3949 7432 3945 7429
      3935 7441 3930 7455 3928 7455 3924 7460
      3914 7468 3919 7505 3937 7482 3965 7477
      3961 7419

$$

HEAVENER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 12:18 PM EDTSevere Thunderstorm WarningPHIGloucester57 min
Aug 9, 12:32 PM EDTTornado WarningPHIGloucester28 min
Aug 9, 1:02 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem58 min
Aug 9, 1:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem67 min
Aug 9, 1:17 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester58 min
Aug 9, 2:16 PM EDTSpecial Weather StatementPHIAtlantic59 min
Aug 9, 2:22 PM EDTAreal Flood AdvisoryPHICamden, Cumberland, Gloucester, Salem3 hr
Aug 9, 2:22 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth53 min
Aug 9, 2:53 PM EDTAreal Flood AdvisoryPHIMiddlesex, Morris, Somerset3 hr
Aug 9, 4:13 PM EDTSpecial Marine WarningPHI92 min
Aug 9, 5:48 PM EDTSpecial Weather StatementPHIGloucester87 min
Aug 9, 6:54 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem81 min
Aug 9, 11:46 AM EDTSpecial Weather StatementPHIChester, Delaware, Montgomery59 min
Aug 9, 12:40 PM EDTSpecial Weather StatementPHICecil65 min
Aug 9, 5:13 PM EDTSpecial Weather StatementPHIKent, Queen Anne's62 min
Aug 9, 6:35 PM EDTSpecial Weather StatementPHITalbot85 min

Nearby

Special Weather Statements in New Jersey, 2011Every 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.