Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

October 24, 2017Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Oct 24, 2017, 6:50 AM EDT for Cumberland County, New Jersey. It was in force for 40 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: Oct 24, 2017, 6:50 AM EDT (10:50 UTC)
Expired: Oct 24, 2017, 7:30 AM EDT
In force: 40 min
Issued by: NWS Philadelphia/Mount Holly

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 10:51 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.

What was reported inside it

Time	Report	Where	Remark
Oct 24, 7:30 AM EDT	NON-TSTM WND DMG	Clayton, NJ	LARGE TREE LIMBS DOWN.

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, 10.8 hours before the alert went out and 152 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: 28 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

140 
WWUS81 KPHI 241050
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
650 AM EDT TUE OCT 24 2017

DEZ002-NJZ016-017-021-022-241130-
Kent-Salem-Cumberland-Atlantic-Gloucester-
650 AM EDT TUE OCT 24 2017

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL KENT...SOUTHWESTERN
ATLANTIC...CUMBERLAND...EAST CENTRAL SALEM AND SOUTHEASTERN
GLOUCESTER COUNTIES...

At 649 AM EDT, a strong thunderstorm was located near Big Stone
Beach, or 12 miles southeast of Dover, moving northeast at 55 mph.

Winds up to 50 mph are possible with this storm.

Locations impacted include...
Vineland, Millville, Bridgeton, Cumberland, Glassboro, Clayton,
Buena, Laurel Lake, Weymouth, Estell Manor, Newfield, Elmer, Shiloh,
Newport, Franklinville, Leesburg, Dorothy, Bricksboro, Mauricetown
and Olivet.

LAT...LON 3919 7502 3921 7502 3922 7505 3921 7510
      3918 7515 3921 7517 3924 7517 3926 7520
      3925 7521 3927 7524 3930 7525 3929 7529
      3934 7534 3971 7517 3949 7470
TIME...MOT...LOC 1049Z 208DEG 48KT 3907 7531 

$$

PO

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, 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, 6:13 PM EDT	Special Weather Statement	PHI	Ocean	32 min
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.