Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

July 11, 2017Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 11, 2017, 3:21 PM EDT for Ocean County, New Jersey. It was in force for 39 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 11, 2017, 3:21 PM EDT (19:21 UTC)
Expired
Jul 11, 2017, 4:00 PM EDT
In force
39 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 22 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 161 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, Brookhaven, NY at 12:00Z on 2017-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1083 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, Brookhaven, NY at 12:00Z on 2017-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1083 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

008 
WWUS81 KPHI 111921
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
321 PM EDT TUE JUL 11 2017

NJZ019-020-026-027-112000-
Northwestern Burlington-Coastal Ocean-Ocean-Southeastern Burlington-
321 PM EDT TUE JUL 11 2017

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL OCEAN AND EAST CENTRAL
BURLINGTON COUNTIES...

At 321 PM EDT, a strong thunderstorm was located over Chatsworth, or
19 miles southwest of Toms River, moving east at 35 mph.

Winds up to 40 mph are possible with this storm.

Locations impacted include...
Toms River, Barnegat, Beachwood, Leisure Village, Holiday City South,
Pleasant Plains, Warren Grove, Chatsworth, Holiday City-Berkeley,
Bamber Lake, Cedar Glen Lakes, Whiting, Brookville, Pine Ridge At
Crestwood, Old Halfway, Penn State Forest, Leisure Village West-Pine
Lake Park, Leisure Village East, South Toms River and Island Heights.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3979 7410 3981 7413 3978 7412 3982 7416
      3977 7419 3972 7455 3987 7461 4005 7418
      3990 7412 3990 7414 3986 7413 3983 7416
      3981 7410 3982 7409
TIME...MOT...LOC 1921Z 250DEG 29KT 3982 7451 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 2:52 PM EDTExcessive Heat WatchPHIBurlington, Camden, Gloucester, Mercer19 hr
Jul 11, 2:53 PM EDTSpecial Weather StatementPHICumberland37 min
Jul 11, 3:00 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester, Salem45 min
Jul 11, 3:29 PM EDTSpecial Weather StatementPHIOcean46 min
Jul 11, 3:31 PM EDTSpecial Weather StatementPHIAtlantic44 min
Jul 11, 3:37 PM EDTSpecial Weather StatementPHIOcean23 min
Jul 11, 4:01 PM EDTSpecial Weather StatementPHIMiddlesex44 min
Jul 11, 4:05 PM EDTSpecial Weather StatementPHIMercer25 min
Jul 11, 4:11 PM EDTSpecial Marine WarningPHI49 min
Jul 11, 4:20 PM EDTSpecial Marine WarningPHI40 min
Jul 11, 4:27 PM EDTSpecial Marine WarningPHI63 min
Jul 11, 4:33 PM EDTSpecial Weather StatementPHIMonmouth57 min
Jul 11, 4:57 PM EDTSpecial Marine WarningPHI63 min

Nearby

Special Weather Statements in New Jersey, 2017Every special weather statement in 2017

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.