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 11, 2017, 4:05 PM EDT for Mercer County, New Jersey. It was in force for 25 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
- Jul 11, 2017, 4:05 PM EDT (20:05 UTC)
- Expired
- Jul 11, 2017, 4:30 PM EDT
- In force
- 25 min
- Issued by
- NWS Philadelphia/Mount Holly
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 20:07 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, 8.1 hours before the alert went out and 159 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
- 1083 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.8
The text
As transmitted.
706 WWUS81 KPHI 112005 SPSPHI Special Weather Statement National Weather Service Mount Holly NJ 405 PM EDT TUE JUL 11 2017 NJZ012-013-015-019-020-112030- Northwestern Burlington-Ocean-Western Monmouth-Middlesex-Mercer- 405 PM EDT TUE JUL 11 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL OCEAN... SOUTHEASTERN MERCER...NORTHERN BURLINGTON...SOUTHWESTERN MONMOUTH AND SOUTHERN MIDDLESEX COUNTIES... At 405 PM EDT, a strong thunderstorm was located over Edinburg, or near Trenton, moving east at 20 mph. Winds up to 40 mph are possible with this storm. Locations impacted include... Old Bridge, Manalapan, Jamesburg, Hightstown, Bordentown, Cranbury, Allentown, Roosevelt, Princeton Meadows, Windsor, Six Flags Theme Park, Plainsboro Center, Jacksons Mills, West Freehold, Clearbrook Park, Clarksburg, Vista Center, Edinburg, Crosswicks and White Horse. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4015 7472 4033 7473 4039 7430 4012 7429 TIME...MOT...LOC 2005Z 267DEG 19KT 4025 7464 $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 2:52 PM EDT | Excessive Heat Watch | PHI | Burlington, Camden, Gloucester, Mercer | 19 hr |
| Jul 11, 2:53 PM EDT | Special Weather Statement | PHI | Cumberland | 37 min |
| Jul 11, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 45 min |
| Jul 11, 3:21 PM EDT | Special Weather Statement | PHI | Ocean | 39 min |
| Jul 11, 3:29 PM EDT | Special Weather Statement | PHI | Ocean | 46 min |
| Jul 11, 3:31 PM EDT | Special Weather Statement | PHI | Atlantic | 44 min |
| Jul 11, 3:37 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Jul 11, 4:01 PM EDT | Special Weather Statement | PHI | Middlesex | 44 min |
| Jul 11, 4:11 PM EDT | Special Marine Warning | PHI | 49 min | |
| Jul 11, 4:20 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jul 11, 4:27 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jul 11, 4:33 PM EDT | Special Weather Statement | PHI | Monmouth | 57 min |
| Jul 11, 4:57 PM EDT | Special Marine Warning | PHI | 63 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.