Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

June 17, 2011Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 17, 2011, 2:00 AM EDT for Cape May County, New Jersey. It was in force for 60 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
Jun 17, 2011, 2:00 AM EDT (06:00 UTC)
Expired
Jun 17, 2011, 3:00 AM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly

County Cape May County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 6.0 hours before the alert went out and 137 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, Wallops Is Stn, VA at 00:00Z on 2011-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Wallops Is Stn, VA at 00:00Z on 2011-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 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
30 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1237 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
98 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.

788 
WWUS81 KPHI 170600
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
200 AM EDT FRI JUN 17 2011

NJZ023-024-170700-
ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
200 AM EDT FRI JUN 17 2011

...A STRONG THUNDERSTORM WILL AFFECT CAPE MAY COUNTY...

AT 158 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 11 MILES NORTH OF CAPE MAY...MOVING NORTHEAST AT 
30 MPH.

HEAVY RAIN WILL FALL FROM THIS STORM, AND WILL CAUSE WATER TO POND 
ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND POOR DRAINAGE AREAS.

LOCAL WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS STORM. EXPECT 
CLOUD TO GROUND LIGHTNING WITH THIS STORM. DO NOT SEEK SHELTER UNDER 
TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM 
APPROACHES.

LAT...LON 3898 7498 3911 7490 3915 7490 3916 7491
      3928 7474 3921 7463 3912 7470 3910 7470
      3907 7471 3902 7479 3894 7486 3892 7493

$$

FORECASTER: GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:32 PM EDTCoastal Flood AdvisoryPHISalem4 hr
Jun 17, 4:39 AM EDTSpecial Weather StatementPHIMercer, Middlesex, Somerset51 min
Jun 17, 1:30 PM EDTSpecial Weather StatementPHISussex, Warren60 min
Jun 17, 1:45 PM EDTSpecial Weather StatementPHIMorris45 min
Jun 17, 1:48 PM EDTSevere Thunderstorm WarningPHISussex, Warren57 min
Jun 17, 3:31 PM EDTSpecial Weather StatementPHIMiddlesex59 min
Jun 17, 3:45 PM EDTSpecial Weather StatementPHICumberland, Gloucester, Salem60 min
Jun 17, 4:48 PM EDTSpecial Weather StatementPHIMonmouth57 min
Jun 17, 7:35 PM EDTSpecial Marine WarningPHI25 min
Jun 17, 4:05 AM EDTSpecial Weather StatementPHIPhiladelphia55 min
Jun 17, 3:10 AM EDTCoastal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot9 hr
Jun 17, 2:34 PM EDTSpecial Weather StatementPHICecil56 min
Jun 17, 7:02 PM EDTSpecial Weather StatementPHICaroline, Talbot58 min
Jun 17, 7:23 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot52 min
Jun 16, 11:45 PM EDTSpecial Weather StatementPHISussex60 min
Jun 17, 12:51 AM EDTSpecial Weather StatementPHISussex54 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.