Alert archive / New Jersey / Special Weather Statements in 2013
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 7, 2013, 3:02 PM EDT for Mercer County, Middlesex County, New Jersey. It was in force for 43 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
- Oct 7, 2013, 3:02 PM EDT (19:02 UTC)
- Expired
- Oct 7, 2013, 3:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Mercer County, NJ, Middlesex County, NJ
The radar
The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 19:03 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 12:00Z, 7.0 hours before the alert went out and 154 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
- 114 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
876
WWUS81 KPHI 071902
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 PM EDT MON OCT 7 2013
NJZ012-013-015-019-020-PAZ106-071945-
LOWER BUCKS PA-MERCER NJ-MIDDLESEX NJ-NORTHWESTERN BURLINGTON NJ-
OCEAN NJ-WESTERN MONMOUTH NJ-
302 PM EDT MON OCT 7 2013
...A LINE OF HEAVY SHOWERS AND POSSIBLY A STRONG THUNDERSTORM WILL
AFFECT NORTHERN BURLINGTON...NORTHWESTERN OCEAN...SOUTHEASTERN
BUCKS...SOUTHERN MERCER...SOUTHWESTERN MIDDLESEX AND SOUTHWESTERN
MONMOUTH COUNTIES...
AT 259 PM EDT...A LINE OF HEAVY SHOWERS AND ISOLATED STRONG
THUNDERSTORMS WAS LOCATED FROM BRISTOL TO WESTAMPTON TO
MEDFORD...MOVING NORTHEAST AT 30 TO 40 MPH.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS.
BRIEF VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE
WATER TO POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN
CAUSE RAPID RISES ON SMALL STREAMS AND CREEKS.
THESE STORMS WILL BE NEAR TULLYTOWN AROUND 310 PM...WHITE HORSE
AROUND 320 PM...EDINBURG AROUND 330 PM...HIGHTSTOWN AROUND 340 PM AND
CLARKSBURG AROUND 350 PM.
LAT...LON 4047 7439 4025 7429 4009 7427 3991 7482
4003 7488 4018 7491
$$
FORECASTER: DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 1:30 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Sussex, Warren | 60 min |
| Oct 7, 1:37 PM EDT | Special Weather Statement | PHI | Salem | 53 min |
| Oct 7, 1:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 46 min |
| Oct 7, 2:24 PM EDT | Special Weather Statement | PHI | Morris, Somerset | 51 min |
| Oct 7, 2:33 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 42 min |
| Oct 7, 3:49 PM EDT | Special Marine Warning | PHI | 56 min | |
| Oct 7, 4:05 PM EDT | Special Weather Statement | PHI | Monmouth, Ocean | 40 min |
| Oct 7, 11:31 AM EDT | Special Weather Statement | PHI | Berks, Chester | 59 min |
| Oct 7, 11:50 AM EDT | Severe Thunderstorm Warning | PHI | Berks | 40 min |
| Oct 7, 12:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 63 min |
| Oct 7, 12:41 PM EDT | Special Weather Statement | PHI | Chester | 64 min |
| Oct 7, 12:49 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 41 min |
| Oct 7, 1:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 25 min |
| Oct 7, 1:33 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 42 min |
| Oct 7, 2:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 57 min |
| Oct 7, 3:21 PM EDT | Special Weather Statement | PHI | Sussex | 39 min |
Nearby
Special Weather Statements in New Jersey, 2013Every special weather statement in 2013
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.