Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 158, NWS Philadelphia/Mount Holly

August 10, 2022Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 10, 2022, 9:25 PM EDT for Cape May County, New Jersey. It was in force for 65 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: Aug 10, 2022, 9:25 PM EDT (01:25 UTC)
Expired: Aug 10, 2022, 10:30 PM EDT
In force: 65 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 39 km from the middle of the area, began a volume at 01:27 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

Time	Report	Where	Remark
Aug 10, 9:42 PM EDT	MARINE TSTM WIND 45	1 Ssw North Cape May, NJ	CAPE MAY STATION CMAN4 GUSTED TO 45 MPH. TIME GIVEN IN OBSERVATION.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.4 hours before the alert went out and 117 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: 1703 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: -3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

048 
WUUS51 KPHI 110125
SVRPHI
NJC009-110230-
/O.NEW.KPHI.SV.W.0158.220811T0125Z-220811T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
925 PM EDT Wed Aug 10 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cape May County in southern New Jersey...

* Until 1030 PM EDT.

* At 924 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Cape Henlopen State Park, or 13 miles west of Cape May, moving
  northeast at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Cape May, North Wildwood, Wildwood Crest, Lewes, Sea Isle City,
  Avalon, West Cape May, Stone Harbor, Cape May Court House, Scotch
  Bonnet, Seaville, Diamond Beach, Green Creek, Goshen, Strathmere,
  Rio Grande, North Cape May, Villas, West Wildwood and Erma.

This includes Garden State Parkway between mile markers 0 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3890 7526 3882 7515 3881 7514 3893 7500
      3912 7494 3923 7468 3916 7464 3891 7486
      3892 7494 3892 7501 3881 7512 3879 7518
TIME...MOT...LOC 0124Z 244DEG 23KT 3891 7516 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

PO

1 follow-up statement

313 
WWUS51 KPHI 110230
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
1030 PM EDT Wed Aug 10 2022

NJC009-110240-
/O.EXP.KPHI.SV.W.0158.000000T0000Z-220811T0230Z/
Cape May NJ-
1030 PM EDT Wed Aug 10 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CAPE MAY COUNTY
HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3890 7526 3882 7515 3881 7514 3893 7500
      3912 7494 3923 7468 3916 7464 3891 7486
      3892 7494 3892 7501 3881 7512 3879 7518
TIME...MOT...LOC 0230Z 244DEG 23KT 3897 7500 

$$

DBR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 8:44 PM EDT	Special Marine Warning	PHI		61 min
Aug 10, 9:30 PM EDT	Special Marine Warning	PHI		60 min
Aug 10, 10:32 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland	28 min
Aug 10, 10:39 PM EDT	Special Marine Warning	PHI		40 min
Aug 10, 11:03 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland	57 min
Aug 11, 3:46 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	71 min
Aug 11, 3:50 AM EDT	Special Weather Statement	PHI	Gloucester	40 min
Aug 11, 3:57 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	92 min
Aug 11, 4:38 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester	37 min
Aug 11, 4:54 AM EDT	Special Weather Statement	PHI	Burlington, Ocean	81 min
Aug 11, 2:26 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Cape May, Cumberland, Middlesex, Monmouth	10 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2022 Every severe thunderstorm warning in 2022

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.