Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 6, 2021, 11:11 PM EDT for Burlington County, New Jersey. It was in force for 19 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 6, 2021, 11:11 PM EDT (03:11 UTC)
- Expired
- Jul 6, 2021, 11:30 PM EDT
- In force
- 19 min
- Issued by
- NWS Philadelphia/Mount Holly
County Burlington County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 03:13 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 00:00Z, 3.2 hours before the alert went out and 192 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
- 1647 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.3
The text
As transmitted.
087 WWUS81 KPHI 070311 SPSPHI Special Weather Statement National Weather Service Mount Holly NJ 1111 PM EDT Tue Jul 6 2021 NJZ019-PAZ071-106-070330- Northwestern Burlington-Lower Bucks-Philadelphia- 1111 PM EDT Tue Jul 6 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BURLINGTON... SOUTHEASTERN BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES... At 1111 PM EDT, a strong thunderstorm was located over Beverly, or 11 miles east of Philadelphia, moving east at 50 mph. Wind gusts up to 50 mph and pea size hail are possible with this storm. Locations impacted include... Philadelphia, Bensalem, Willingboro, Medford, Lumberton, Florence, Burlington, Bristol, Mount Holly, Riverside, Palmyra, Beverly, Tullytown, Pemberton, Wrightstown, Feasterville-Trevose, Florence-Roebling, Northeast Philadelphia, Feasterville and Tacony. This includes the following highways... New Jersey Turnpike between exits 5 and 6A. Pennsylvania Turnpike between mile markers 350 and 359. Interstate 95 in Pennsylvania between mile markers 29 and 40. Interstate 295 in New Jersey between mile markers 40 and 55. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 3988 7475 4000 7506 4017 7499 4009 7458 TIME...MOT...LOC 0311Z 289DEG 43KT 4007 7494 $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:03 PM EDT | Special Weather Statement | PHI | Burlington, Ocean | 42 min |
| Jul 6, 8:11 PM EDT | Special Marine Warning | PHI | 82 min | |
| Jul 6, 8:24 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 6, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 46 min |
| Jul 6, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 53 min |
| Jul 6, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 40 min |
| Jul 6, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 41 min |
| Jul 6, 9:10 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more | 2 hr |
| Jul 6, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset | 61 min |
| Jul 6, 9:37 PM EDT | Special Marine Warning | PHI | 113 min | |
| Jul 6, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 57 min |
| Jul 6, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 39 min |
| Jul 6, 10:50 PM EDT | Areal Flood Advisory | PHI | Monmouth, Ocean | 2 hr |
| Jul 6, 10:54 PM EDT | Special Weather Statement | PHI | Burlington | 51 min |
| Jul 6, 11:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Ocean | 45 min |
| Jul 6, 11:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 6, 11:55 PM EDT | Special Weather Statement | PHI | Monmouth | 50 min |
| Jul 7, 12:01 AM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 71 min |
| Jul 7, 12:10 AM EDT | Special Marine Warning | PHI | 95 min | |
| Jul 7, 11:19 AM EDT | Tropical Storm Watch | PHI | Atlantic, Burlington, Cape May, Monmouth, Ocean | 18 hr |
| Jul 7, 3:32 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 42 hr |
| Jul 6, 8:16 PM EDT | Special Weather Statement | PHI | Lehigh | 29 min |
| Jul 6, 10:08 PM EDT | Special Weather Statement | PHI | Philadelphia | 37 min |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
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.