Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

October 24, 2017Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Oct 24, 2017, 6:13 PM EDT for Ocean County, New Jersey. It was in force for 32 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: Oct 24, 2017, 6:13 PM EDT (22:13 UTC)
Expired: Oct 24, 2017, 6:45 PM EDT
In force: 32 min
Issued by: NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 39 km from the middle of the area, began a volume at 22:16 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

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 186 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: 229 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 611 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 443 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

As transmitted.

613 
WWUS81 KPHI 242213
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
613 PM EDT TUE OCT 24 2017

NJZ013-014-020-022>027-242245-
Coastal Atlantic-Eastern Monmouth-Coastal Ocean-Ocean-Western
Monmouth-Atlantic-Atlantic Coastal Cape May-Cape May-Southeastern
Burlington-
613 PM EDT TUE OCT 24 2017

...A LINE OF SHOWERS AND STRONG THUNDERSTORMS WILL AFFECT 
SOUTHEASTERN ATLANTIC...CENTRAL OCEAN...NORTHEASTERN CAPE 
MAY...SOUTHEASTERN BURLINGTON AND SOUTHEASTERN MONMOUTH COUNTIES...

At 611 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Dover Beaches North to Ocean City.
Movement was north at 40 mph.

Winds up to 40 mph are possible with these showers and storms.

Heavy rainfall is also occurring with these showers and 
thunderstorms...and may cause ponding on roadways and poor drainage 
areas. Do not drive your vehicle through flooded roadways.

Occasional cloud to ground lightning is occurring with this storm. 
Lightning can strike 15 miles away from a thunderstorm. If you see 
lightning or hear thunder seek a safe shelter inside a building or 
vehicle.

Locations impacted include...
Toms River, Atlantic City, Long Branch, Ocean City, Barnegat,
Pleasantville, Beachwood, Somers Point, Ventnor City, Brigantine,
Northfield, Absecon, Margate City, Tuckerton, Sea Isle City, Port
Republic, Longport, Corbin City, Allenwood and Beesleys Point.


LAT...LON 3999 7414 3970 7416 3971 7413 3963 7426
      3958 7422 3958 7434 3950 7429 3954 7440
      3956 7441 3941 7440 3942 7439 3949 7431
      3947 7430 3942 7434 3917 7468 3940 7462
      4034 7397
TIME...MOT...LOC 2211Z 198DEG 61KT 3998 7397 3925 7459 

$$

SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 2:42 AM EDT	Gale Warning	PHI		16 hr
Oct 24, 6:50 AM EDT	Special Weather Statement	PHI	Cumberland	40 min
Oct 24, 7:32 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester	28 min
Oct 24, 8:00 AM EDT	Special Weather Statement	PHI	Hunterdon, Mercer, Middlesex, Somerset	30 min
Oct 24, 8:33 AM EDT	Wind Advisory	PHI	Sussex	2 hr
Oct 24, 8:58 AM EDT	Special Weather Statement	PHI	Warren	32 min
Oct 24, 9:27 AM EDT	Special Weather Statement	PHI	Warren	33 min
Oct 24, 9:59 AM EDT	Special Weather Statement	PHI	Gloucester	31 min
Oct 24, 10:00 AM EDT	Special Weather Statement	PHI	Sussex, Warren	30 min
Oct 24, 10:30 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Hunterdon	30 min
Oct 24, 10:51 AM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	39 min
Oct 24, 11:03 AM EDT	Special Weather Statement	PHI	Atlantic, Burlington	27 min
Oct 24, 11:11 AM EDT	Special Weather Statement	PHI	Mercer, Middlesex, Somerset	34 min
Oct 24, 11:26 AM EDT	Special Weather Statement	PHI	Morris, Somerset	34 min
Oct 24, 11:31 AM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Ocean	29 min
Oct 24, 12:03 PM EDT	Special Weather Statement	PHI	Middlesex, Morris, Sussex	27 min
Oct 24, 12:28 PM EDT	Special Weather Statement	PHI	Morris	32 min
Oct 24, 1:04 PM EDT	Special Weather Statement	PHI	Monmouth	26 min
Oct 24, 2:16 PM EDT	Small Craft Advisory	PHI		13 hr
Oct 24, 5:08 PM EDT	Special Marine Warning	PHI		67 min
Oct 24, 5:37 PM EDT	Special Marine Warning	PHI		53 min
Oct 24, 5:41 PM EDT	Special Weather Statement	PHI	Atlantic	34 min
Oct 24, 5:53 PM EDT	Special Marine Warning	PHI		67 min
Oct 24, 6:01 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Cape May, Ocean	4 hr
Oct 24, 8:07 AM EDT	Special Weather Statement	PHI	Chester, Montgomery	23 min
Oct 24, 8:28 AM EDT	Special Weather Statement	PHI	Bucks, Delaware, Lehigh, Montgomery, Northampton	32 min
Oct 24, 8:52 AM EDT	Special Weather Statement	PHI	Monroe	23 min
Oct 24, 5:54 AM EDT	Coastal Flood Advisory	PHI	Cecil, Kent, Queen Anne's, Talbot	6 hr

Nearby

Special Weather Statements in New Jersey, 2017 Every special weather statement in 2017

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.