Alert archive / Pennsylvania / Special Weather Statements in 2016
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 17, 2016, 12:13 AM EDT for Bucks County, Pennsylvania. It was in force for 32 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
- Aug 17, 2016, 12:13 AM EDT (04:13 UTC)
- Expired
- Aug 17, 2016, 12:45 AM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 04:15 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
Phillips Aaf/Abe, MD (KAPG), launched 00:00Z, 4.2 hours before the alert went out and 136 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
- 2661 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 13.2
The text
As transmitted.
314 WWUS81 KPHI 170413 SPSPHI SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1213 AM EDT WED AUG 17 2016 NJZ009-010-015-PAZ104>106-170445- SOMERSET-HUNTERDON-MERCER-EASTERN MONTGOMERY-LOWER BUCKS-UPPER BUCKS- 1213 AM EDT WED AUG 17 2016 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN MERCER... SOUTHEASTERN HUNTERDON...SOUTHWESTERN SOMERSET...CENTRAL BUCKS AND EAST CENTRAL MONTGOMERY COUNTIES... AT 1213 AM EDT...A STRONG THUNDERSTORM WAS OVER DOYLESTOWN...OR 19 MILES WEST OF TRENTON...MOVING NORTHEAST AT 35 MPH. WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... DOYLESTOWN...BYRAM...FLEMINGTON...CHALFONT...PENNINGTON...NEW HOPE... DUBLIN...HOPEWELL...ROCKY HILL...STOCKTON...LUMBERVILLE... SAND BROOK...SKILLMAN...CLOVERHILL...GARDENVILLE...SERGEANTSVILLE... LAMBERTVILLE AND NEW BRITAIN. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. LAT...LON 4021 7516 4038 7527 4055 7476 4039 7462 TIME...MOT...LOC 0413Z 245DEG 32KT 4033 7510 $$ MWG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 12:29 AM EDT | Special Weather Statement | PHI | Mercer, Middlesex, Somerset | 46 min |
| Aug 17, 1:08 AM EDT | Special Weather Statement | PHI | Camden, Gloucester | 37 min |
| Aug 17, 1:33 AM EDT | Special Weather Statement | PHI | Mercer, Monmouth | 42 min |
| Aug 17, 1:46 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 44 min |
| Aug 17, 2:27 AM EDT | Special Weather Statement | PHI | Ocean | 48 min |
| Aug 17, 12:33 AM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 42 min |
Nearby
Special Weather Statements in Pennsylvania, 2016Every special weather statement in 2016
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.