Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

May 4, 2011Atlantic County, Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 4, 2011, 8:31 AM EDT for Atlantic County, Cape May County, New Jersey. It was in force for 59 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
May 4, 2011, 8:31 AM EDT (12:31 UTC)
Expired
May 4, 2011, 9:30 AM EDT
In force
59 min
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Cape May County, NJ

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 12:31 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, 0.5 hours before the alert went out and 135 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 2011-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 2011-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -92 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-92 m²/s²
0-3 km storm-relative helicity
148 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.

875 
WWUS81 KPHI 041231
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
831 AM EDT WED MAY 4 2011

DEZ004-NJZ021>027-041330-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-
DELAWARE BEACHES DE-SOUTHEASTERN BURLINGTON NJ-
831 AM EDT WED MAY 4 2011

...SHOWERS WITH GUSTY WINDS WILL AFFECT CUMBERLAND...SUSSEX...CAPE 
MAY...OCEAN...ATLANTIC AND BURLINGTON COUNTIES...

AT 827 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS WITH GUSTY WINDS ALONG A LINE EXTENDING FROM 11 MILES NORTH 
OF VINELAND TO 7 MILES SOUTHWEST OF CAPE MAY...MOVING NORTHEAST AT 
35 MPH. THE SHOWERS WILL BE NEAR FOLSOM...DENNISVILLE...WOODBINE... 
RIO GRANDE AROUND 835 AM...WEYMOUTH...WHITESBORO-BURLEIGH...CORBIN 
CITY...CAPE MAY AROUND 840 AM...MAYS LANDING AND CAPE MAY COURT 
HOUSE AROUND 845 AM.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE SHOWERS.

LAT...LON 3963 7419 3962 7425 3961 7420 3951 7425
      3949 7432 3945 7429 3936 7440 3930 7455
      3895 7485 3891 7497 3871 7508 3891 7497
      3899 7498 3922 7488 3953 7496 3967 7481
      3971 7439 3962 7439 3962 7429 3972 7417

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 8:47 PM EDTSpecial Weather StatementPHIWarren58 min
May 3, 9:43 PM EDTSpecial Weather StatementPHISussex, Warren47 min
May 4, 7:34 AM EDTSpecial Weather StatementPHIAtlantic, Cape May56 min
May 4, 7:58 AM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean62 min
May 4, 8:47 AM EDTSpecial Weather StatementPHICape May58 min
May 4, 9:09 AM EDTSpecial Marine WarningPHI66 min
May 4, 10:13 AM EDTSpecial Marine WarningPHI62 min
May 4, 11:06 AM EDTSpecial Marine WarningPHI54 min
May 4, 11:27 AM EDTSmall Craft AdvisoryPHI4 hr
May 4, 3:29 PM EDTSmall Craft AdvisoryPHI27 hr
May 3, 8:06 PM EDTSpecial Weather StatementPHICarbon39 min
May 3, 8:15 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe30 min
May 4, 7:48 AM EDTSpecial Weather StatementPHISussex57 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.