Alert archive / New Jersey / Special Weather Statements in 2019

Special Weather Statement, NWS Philadelphia/Mount Holly

August 6, 2019Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 6, 2019, 2:19 PM EDT for Atlantic County, New Jersey. It was in force for 41 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
Aug 6, 2019, 2:19 PM EDT (18:19 UTC)
Expired
Aug 6, 2019, 3:00 PM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 18:22 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, 6.3 hours before the alert went out and 182 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 12:00Z on 2019-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 849 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 12:00Z on 2019-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
849 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

630 
WWUS81 KPHI 061819
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
219 PM EDT Tue Aug 6 2019

NJZ022-025-061900-
Coastal Atlantic-Atlantic-
219 PM EDT Tue Aug 6 2019

...A STRONG THUNDERSTORM WITH FREQUENT LIGHTNING WILL AFFECT 
SOUTHERN ATLANTIC COUNTY...

At 218 PM EDT, a strong thunderstorm was located over Mays Landing,
or 12 miles northwest of Ocean City, moving northeast at 10 mph.

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

Locations impacted include...
Atlantic City, Pleasantville, Ventnor City, Northfield, Absecon,
Margate City, Egg Harbor City, Weymouth, Estell Manor, Port Republic,
Longport, Pomona, Mays Landing, English Creek, Mizpah,
Elwood-Magnolia and Linwood.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 21.
 Garden State Parkway between mile markers 32 and 46.

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

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 7452 3934 7456 3934 7479 3949 7487
      3961 7459 3957 7454 3957 7451 3941 7445
      3942 7448 3940 7449 3939 7444 3936 7443
TIME...MOT...LOC 1818Z 244DEG 9KT 3943 7473 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 9:04 AM EDTAreal Flood AdvisoryPHIAtlantic74 min
Aug 6, 12:05 PM EDTSpecial Weather StatementPHICumberland40 min
Aug 6, 12:51 PM EDTAreal Flood AdvisoryPHICumberland108 min
Aug 6, 1:09 PM EDTSpecial Weather StatementPHIGloucester36 min
Aug 6, 1:13 PM EDTSpecial Weather StatementPHIMonmouth32 min
Aug 6, 1:14 PM EDTSpecial Weather StatementPHIOcean31 min
Aug 6, 1:30 PM EDTSpecial Weather StatementPHIGloucester30 min
Aug 6, 1:34 PM EDTSpecial Weather StatementPHIAtlantic41 min
Aug 6, 1:38 PM EDTSpecial Weather StatementPHIMonmouth37 min
Aug 6, 1:50 PM EDTSpecial Weather StatementPHIOcean40 min
Aug 6, 2:14 PM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland3 hr
Aug 6, 2:33 PM EDTSpecial Weather StatementPHIOcean27 min
Aug 6, 3:07 PM EDTSpecial Weather StatementPHIBurlington23 min
Aug 6, 3:30 PM EDTSmall Craft AdvisoryPHI36 hr
Aug 6, 3:55 PM EDTSpecial Weather StatementPHIMiddlesex, Somerset50 min
Aug 6, 7:10 PM EDTSpecial Weather StatementPHIWarren35 min
Aug 6, 7:32 PM EDTSevere Thunderstorm WarningPHIWarren43 min
Aug 6, 11:46 AM EDTSpecial Weather StatementPHIPhiladelphia29 min
Aug 6, 12:13 PM EDTSpecial Weather StatementPHIPhiladelphia47 min
Aug 6, 12:21 PM EDTAreal Flood AdvisoryPHIMontgomery, Philadelphia102 min
Aug 6, 12:36 PM EDTSevere Thunderstorm WarningPHIMontgomery, Philadelphia39 min
Aug 6, 1:18 PM EDTSpecial Weather StatementPHIBucks27 min
Aug 6, 2:35 PM EDTSpecial Weather StatementPHIMonroe25 min
Aug 6, 3:05 PM EDTSpecial Weather StatementPHIMonroe25 min
Aug 6, 4:40 PM EDTSpecial Weather StatementPHICarbon35 min
Aug 6, 5:51 PM EDTSpecial Weather StatementPHIMonroe39 min
Aug 6, 6:32 PM EDTSpecial Weather StatementPHIMonroe28 min
Aug 6, 6:38 PM EDTSpecial Weather StatementPHICarbon37 min
Aug 6, 6:57 PM EDTFlash Flood WarningPHIMonroe104 min
Aug 6, 1:54 PM EDTSpecial Weather StatementPHISussex36 min
Aug 6, 2:26 PM EDTAreal Flood AdvisoryPHISussex3 hr
Aug 6, 3:04 PM EDTSpecial Weather StatementPHISussex26 min

Nearby

Special Weather Statements in New Jersey, 2019Every special weather statement in 2019

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.