Alert archive / New Jersey / Special Weather Statements in 2011
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 9, 2011, 1:17 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 58 min. 2 reports 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
- Aug 9, 2011, 1:17 PM EDT (17:17 UTC)
- Expired
- Aug 9, 2011, 2:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 17:17 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 |
|---|---|---|---|
| Aug 9, 1:30 PM EDT | TSTM WND DMG | Mantua, NJ | TREE DOWN IN MANTUA TWP |
| Aug 9, 1:40 PM EDT | TSTM WND DMG | Deptford Twp, NJ | TREE DOWN IN DEPTFORD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.3 hours before the alert went out and 110 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
- 210 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
470 WWUS81 KPHI 091717 SPSPHI SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 117 PM EDT TUE AUG 9 2011 NJZ017>019-022-027-PAZ070-071-091815- ATLANTIC NJ-CAMDEN NJ-DELAWARE PA-GLOUCESTER NJ- NORTHWESTERN BURLINGTON NJ-PHILADELPHIA PA-SOUTHEASTERN BURLINGTON NJ- 117 PM EDT TUE AUG 9 2011 ...A STRONG THUNDERSTORM WILL AFFECT ATLANTIC...BURLINGTON... CAMDEN...DELAWARE...GLOUCESTER AND PHILADELPHIA COUNTIES... AT 113 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 12 MILES EAST OF WILMINGTON...MOVING EAST AT 40 MPH. THE THUNDERSTORM WILL BE NEAR WENONAH...BLACKWOOD AROUND 130 PM...PINE VALLEY...BERLIN AROUND 145 PM...SHAMONG AND ATSION AROUND 200 PM. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM. EXPECT SMALL HAIL AND FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING FROM THIS STORM. LAT...LON 3991 7455 3960 7459 3977 7540 3989 7538 $$ HEAVENER
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 12:18 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 57 min |
| Aug 9, 12:32 PM EDT | Tornado Warning | PHI | Gloucester | 28 min |
| Aug 9, 1:02 PM EDT | Special Weather Statement | PHI | Camden, Gloucester, Salem | 58 min |
| Aug 9, 1:08 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 67 min |
| Aug 9, 2:16 PM EDT | Special Weather Statement | PHI | Atlantic | 59 min |
| Aug 9, 2:22 PM EDT | Areal Flood Advisory | PHI | Camden, Cumberland, Gloucester, Salem | 3 hr |
| Aug 9, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 53 min |
| Aug 9, 2:53 PM EDT | Areal Flood Advisory | PHI | Middlesex, Morris, Somerset | 3 hr |
| Aug 9, 3:27 PM EDT | Special Weather Statement | PHI | Atlantic | 63 min |
| Aug 9, 4:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 9, 5:48 PM EDT | Special Weather Statement | PHI | Gloucester | 87 min |
| Aug 9, 6:54 PM EDT | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 81 min |
| Aug 9, 11:46 AM EDT | Special Weather Statement | PHI | Chester, Delaware, Montgomery | 59 min |
| Aug 9, 12:40 PM EDT | Special Weather Statement | PHI | Cecil | 65 min |
| Aug 9, 5:13 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 62 min |
| Aug 9, 6:35 PM EDT | Special Weather Statement | PHI | Talbot | 85 min |
Nearby
Special Weather Statements in New Jersey, 2011Every special weather statement in 2011
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.