Alert archive / New Jersey / Special Weather Statements in 2017
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 17, 2017, 4:16 PM EDT for Gloucester County, New Jersey. It was in force for 44 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
- Jul 17, 2017, 4:16 PM EDT (20:16 UTC)
- Expired
- Jul 17, 2017, 5:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
County Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 20:18 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 |
|---|---|---|---|
| Jul 17, 4:26 PM EDT | HAIL 0.25 | 1 E Swedesboro, NJ | PEA-SIZED HAIL |
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 12:00Z, 8.3 hours before the alert went out and 199 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.
- Mixed-layer CAPE
- 322 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1101 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
940 WWUS81 KPHI 172016 SPSPHI Special Weather Statement National Weather Service Mount Holly NJ 416 PM EDT MON JUL 17 2017 DEZ001-NJZ016-017-PAZ070-102-172100- New Castle-Salem-Gloucester-Delaware-Eastern Chester- 416 PM EDT MON JUL 17 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN NEW CASTLE... NORTHEASTERN SALEM...NORTHWESTERN GLOUCESTER...SOUTHEASTERN CHESTER AND SOUTH CENTRAL DELAWARE COUNTIES... At 416 PM EDT, a strong thunderstorm was located near Mullica Hill, or 13 miles east of Wilmington, moving north at 10 mph. Winds up to 40 mph and dime size hail are possible with this storm. Locations impacted include... Chester, Deptford, West Deptford, Glassboro, Woodbury, Pitman, Paulsboro, Westville, Woodstown, Woodbury Heights, Swedesboro, Beckett, Mullica Hill, Gibbstown, Marcus Hook, Wenonah, Trainer, Oak Valley and Linwood. Locally heavy rain is also occuring with this storm. LAT...LON 3964 7514 3962 7538 3982 7544 3986 7512 TIME...MOT...LOC 2016Z 174DEG 7KT 3971 7527 $$ SFJ
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:56 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Jul 17, 4:35 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 115 min |
| Jul 17, 4:40 PM EDT | Special Weather Statement | PHI | Warren | 65 min |
| Jul 17, 4:44 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 3 hr |
| Jul 17, 5:00 PM EDT | Special Weather Statement | PHI | Warren | 30 min |
| Jul 17, 5:31 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 119 min |
| Jul 17, 5:51 PM EDT | Special Weather Statement | PHI | Hunterdon | 39 min |
| Jul 17, 6:12 PM EDT | Special Weather Statement | PHI | Morris | 33 min |
| Jul 17, 6:33 PM EDT | Flash Flood Warning | PHI | Morris | 117 min |
| Jul 17, 6:39 PM EDT | Special Weather Statement | PHI | Hunterdon | 51 min |
| Jul 17, 6:44 PM EDT | Special Weather Statement | PHI | Morris | 46 min |
| Jul 17, 1:09 PM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Jul 17, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 40 min |
| Jul 17, 1:24 PM EDT | Areal Flood Advisory | PHI | Berks | 5 hr |
| Jul 17, 1:41 PM EDT | Flash Flood Warning | PHI | Berks | 7 hr |
| Jul 17, 1:57 PM EDT | Special Weather Statement | PHI | Lebanon | 33 min |
| Jul 17, 3:16 PM EDT | Areal Flood Advisory | PHI | Berks | 119 min |
| Jul 17, 4:24 PM EDT | Special Weather Statement | PHI | Northampton | 51 min |
| Jul 17, 4:56 PM EDT | Special Weather Statement | PHI | Philadelphia | 49 min |
| Jul 17, 4:57 PM EDT | Special Weather Statement | PHI | Chester | 33 min |
| Jul 17, 5:55 PM EDT | Special Weather Statement | PHI | Chester | 50 min |
| Jul 17, 4:46 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 119 min |
| Jul 17, 4:52 PM EDT | Special Weather Statement | PHI | Cecil | 53 min |
| Jul 17, 5:11 PM EDT | Special Weather Statement | PHI | Kent | 49 min |
| Jul 17, 5:19 PM EDT | Special Weather Statement | PHI | Cecil | 56 min |
| Jul 17, 6:13 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 2 hr |
| Jul 17, 6:16 PM EDT | Special Weather Statement | PHI | Queen Anne's | 44 min |
| Jul 17, 6:49 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 56 min |
Nearby
Special Weather Statements in New Jersey, 2017Every 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.