Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 9, 2021Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 9, 2021, 3:32 PM EDT for Burlington County, New Jersey. It was in force for 28 min. 2 reports 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
Jun 9, 2021, 3:32 PM EDT (19:32 UTC)
Expired
Jun 9, 2021, 4:00 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 39 km from the middle of the area, began a volume at 19:36 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
Jun 9, 3:55 PM EDTTSTM WND DMGEdgewater Park, NJA COUPLE REPORTS OF DOWNED TREES AND LIMBS IN THE EDGEWATER PARK AREA. TIME ESTIMATED FROM RADAR.
Jun 9, 3:55 PM EDTTSTM WND GST 50Cooperstown, NJESTIMATED 50 TO 55 MPH WIND GUSTS.

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 12:00Z, 7.5 hours before the alert went out and 191 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 556 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 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939Sfc1 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
556 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
927 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

142 
WWUS81 KPHI 091932
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
332 PM EDT Wed Jun 9 2021

NJZ019-PAZ106-092000-
Northwestern Burlington-Lower Bucks-
332 PM EDT Wed Jun 9 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BURLINGTON AND
SOUTHERN BUCKS COUNTIES...

At 332 PM EDT, a few strong thunderstorms were located over Mount 
Holly and vicinity, moving southeast at 15 mph.

Wind gusts up to 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Willingboro, Lumberton, Burlington, Bristol, Mount Holly, Beverly,
Jobstown, Columbus, Jacksonville, Georgetown, Florence-Roebling,
Edgewater Park, Delanco, Nws Office, Croydon and Cornwells
Heights-Eddington.

This includes the following highways...
 New Jersey Turnpike between exits 5 and 6A.
 Pennsylvania Turnpike mile marker 356 and near mile marker 359.
 Interstate 95 in Pennsylvania between mile markers 36 and 40.
 Interstate 295 in New Jersey between mile markers 43 and 53.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4006 7496 4013 7489 4007 7460 3991 7482
TIME...MOT...LOC 1932Z 317DEG 12KT 4003 7482 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:40 PM EDTSpecial Marine WarningPHI65 min
Jun 9, 1:46 PM EDTSpecial Marine WarningPHI59 min
Jun 9, 1:48 PM EDTSpecial Weather StatementPHISalem27 min
Jun 9, 1:52 PM EDTSpecial Weather StatementPHIAtlantic23 min
Jun 9, 2:07 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem23 min
Jun 9, 2:14 PM EDTSpecial Weather StatementPHISalem31 min
Jun 9, 2:21 PM EDTFlash Flood WarningPHICumberland, Gloucester, Salem73 min
Jun 9, 2:47 PM EDTSpecial Marine WarningPHI58 min
Jun 9, 3:48 PM EDTSpecial Marine WarningPHI57 min
Jun 9, 3:49 PM EDTFlash Flood WarningPHIBurlington3 hr
Jun 9, 3:51 PM EDTSpecial Weather StatementPHIHunterdon24 min
Jun 9, 5:32 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth28 min
Jun 9, 6:46 PM EDTSpecial Marine WarningPHI59 min
Jun 9, 6:50 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean87 min
Jun 9, 7:42 PM EDTSpecial Marine WarningPHI63 min
Jun 9, 4:54 PM EDTFlash Flood WarningPHIBerks, Montgomery112 min
Jun 9, 5:27 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh, Northampton23 min
Jun 8, 8:15 PM EDTSpecial Weather StatementPHISussex45 min
Jun 9, 7:54 AM EDTRiver Flood WarningPHINew Castle5 hr
Jun 9, 1:35 PM EDTSpecial Weather StatementPHINew Castle25 min
Jun 9, 2:26 PM EDTSevere Thunderstorm WarningPHIKent64 min
Jun 9, 2:28 PM EDTSevere Thunderstorm WarningPHISussex62 min
Jun 9, 3:11 PM EDTSevere Thunderstorm WarningPHISussex64 min
Jun 9, 3:24 PM EDTAreal Flood AdvisoryPHISussex3 hr
Jun 9, 4:32 PM EDTAreal Flood AdvisoryPHISussex108 min
Jun 9, 4:37 PM EDTSevere Thunderstorm WarningPHIKent, Sussex27 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.