Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 6, 2021Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 6, 2021, 8:03 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 6, 2021, 8:03 PM EDT (00:03 UTC)
Expired
Jul 6, 2021, 8:45 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 21 km from the middle of the area, began a volume at 00:06 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.

What was reported inside it

TimeReportWhereRemark
Jul 6, 8:39 PM EDTTSTM WND DMG3 N Mount Laurel, NJMPING REPORT OF SMALL TREE LIMBS BROKEN AND/OR POWER POLES DOWNED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.1 hours before the alert went out and 184 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 00:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1647 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 00:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1647 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.3

Open this sounding in Storm Lab

The text

As transmitted.

281 
WWUS81 KPHI 070003
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
803 PM EDT Tue Jul 6 2021

NJZ019-020-026-027-070045-
Northwestern Burlington-Coastal Ocean-Ocean-Southeastern Burlington-
803 PM EDT Tue Jul 6 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL OCEAN AND
BURLINGTON COUNTIES...

At 802 PM EDT, radar indicated a strong gust front located along a 
line extending from Dover Beaches South to Wrightstown to near 
Bristol. Movement was south at 25 mph.

Wind gusts up to 40 mph are possible as this gust front passes.

Locations impacted include...
Toms River, Evesham, Mount Laurel, Willingboro, Medford, Barnegat,
Lumberton, Beachwood, Burlington, Bristol, Mount Holly, Riverside,
Tabernacle, Shamong, Presidential Lakes Estates, Seaside Heights,
Beverly, Pemberton, Wrightstown and Marlton.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 5.
 Interstate 295 in New Jersey between mile markers 37 and 52.
 Garden State Parkway between mile markers 63 and 84.

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern New Jersey...and southeastern Pennsylvania.

LAT...LON 3968 7410 3970 7450 3983 7492 3988 7493
      3993 7497 4004 7498 4007 7494 4008 7487
      4011 7483 4004 7462 3997 7405
TIME...MOT...LOC 0002Z 344DEG 20KT 3995 7409 4001 7461 4010 7490 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:11 PM EDTSpecial Marine WarningPHI82 min
Jul 6, 8:24 PM EDTSpecial Marine WarningPHI2 hr
Jul 6, 8:29 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren46 min
Jul 6, 8:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Monmouth, Morris, Somerset53 min
Jul 6, 8:50 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset40 min
Jul 6, 9:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset41 min
Jul 6, 9:10 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more2 hr
Jul 6, 9:29 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset61 min
Jul 6, 9:37 PM EDTSpecial Marine WarningPHI113 min
Jul 6, 9:48 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean57 min
Jul 6, 10:21 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden39 min
Jul 6, 10:50 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean2 hr
Jul 6, 10:54 PM EDTSpecial Weather StatementPHIBurlington51 min
Jul 6, 11:11 PM EDTSpecial Weather StatementPHIBurlington19 min
Jul 6, 11:30 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean45 min
Jul 6, 11:39 PM EDTSpecial Marine WarningPHI66 min
Jul 6, 11:55 PM EDTSpecial Weather StatementPHIMonmouth50 min
Jul 7, 12:01 AM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth71 min
Jul 7, 12:10 AM EDTSpecial Marine WarningPHI95 min
Jul 7, 11:19 AM EDTTropical Storm WatchPHIAtlantic, Burlington, Cape May, Monmouth, Ocean18 hr
Jul 7, 3:32 PM EDTFlash Flood WatchPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more42 hr
Jul 6, 8:16 PM EDTSpecial Weather StatementPHILehigh29 min
Jul 6, 10:08 PM EDTSpecial Weather StatementPHIPhiladelphia37 min

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.