Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 9, 2021Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 9, 2021, 1:52 PM EDT for Atlantic County, New Jersey. It was in force for 23 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 9, 2021, 1:52 PM EDT (17:52 UTC)
Expired: Jun 9, 2021, 2:15 PM EDT
In force: 23 min
Issued by: NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 17:51 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.9 hours before the alert went out and 166 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 795 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

931 
WWUS81 KPHI 091752
SPSPHI

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

NJZ022>024-091815-
Atlantic-Atlantic Coastal Cape May-Cape May-
152 PM EDT Wed Jun 9 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL ATLANTIC AND NORTH
CENTRAL CAPE MAY COUNTIES...

At 152 PM EDT, a strong thunderstorm was located over Corbin City, or
7 miles west of Ocean City. The storm is nearly stationary.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Somers Point, Estell Manor, Corbin City, Marmora and Beesleys Point. 

This includes Garden State Parkway mile marker 28 and near mile
marker 30.
 
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 3932 7460 3931 7463 3930 7462 3929 7462
      3923 7468 3932 7483 3936 7479 3933 7459
TIME...MOT...LOC 1752Z 303DEG 3KT 3931 7473 

$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 8:40 PM EDT	Special Marine Warning	PHI		65 min
Jun 9, 1:46 PM EDT	Special Marine Warning	PHI		59 min
Jun 9, 1:48 PM EDT	Special Weather Statement	PHI	Salem	27 min
Jun 9, 2:07 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	23 min
Jun 9, 2:14 PM EDT	Special Weather Statement	PHI	Salem	31 min
Jun 9, 2:21 PM EDT	Flash Flood Warning	PHI	Cumberland, Gloucester, Salem	73 min
Jun 9, 2:47 PM EDT	Special Marine Warning	PHI		58 min
Jun 9, 3:32 PM EDT	Special Weather Statement	PHI	Burlington	28 min
Jun 9, 3:48 PM EDT	Special Marine Warning	PHI		57 min
Jun 9, 3:49 PM EDT	Flash Flood Warning	PHI	Burlington	3 hr
Jun 9, 3:51 PM EDT	Special Weather Statement	PHI	Hunterdon	24 min
Jun 9, 5:32 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Monmouth	28 min
Jun 9, 6:46 PM EDT	Special Marine Warning	PHI		59 min
Jun 9, 6:50 PM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	87 min
Jun 9, 7:42 PM EDT	Special Marine Warning	PHI		63 min
Jun 9, 4:54 PM EDT	Flash Flood Warning	PHI	Berks, Montgomery	112 min
Jun 9, 5:27 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh, Northampton	23 min
Jun 8, 8:15 PM EDT	Special Weather Statement	PHI	Sussex	45 min
Jun 9, 7:54 AM EDT	River Flood Warning	PHI	New Castle	5 hr
Jun 9, 1:35 PM EDT	Special Weather Statement	PHI	New Castle	25 min
Jun 9, 2:26 PM EDT	Severe Thunderstorm Warning	PHI	Kent	64 min
Jun 9, 2:28 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	62 min
Jun 9, 3:11 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	64 min
Jun 9, 3:24 PM EDT	Areal Flood Advisory	PHI	Sussex	3 hr
Jun 9, 4:32 PM EDT	Areal Flood Advisory	PHI	Sussex	108 min
Jun 9, 4:37 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Sussex	27 min

Nearby

Special Weather Statements in New Jersey, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.