Alert archive / New Jersey / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 15, 2012, 4:33 PM EDT for 5 counties in New Jersey. It was in force for 87 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 15, 2012, 4:33 PM EDT (20:33 UTC)
- Expired
- Oct 15, 2012, 6:00 PM EDT
- In force
- 87 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 111 km from the middle of the area, began a volume at 20:33 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, 8.6 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
- 2 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
982
WWUS81 KPHI 152033
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
433 PM EDT MON OCT 15 2012
NJZ001-007>010-PAZ062-069-152200-
BUCKS PA-HUNTERDON NJ-MORRIS NJ-NORTHAMPTON PA-SOMERSET NJ-SUSSEX NJ-
WARREN NJ-
433 PM EDT MON OCT 15 2012
...SHOWERS WITH POCKETS OF HEAVY RAINFALL WILL AFFECT
WARREN...HUNTERDON...MORRIS...SOMERSET...SUSSEX...BUCKS AND
NORTHAMPTON COUNTIES...
AT 427 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAINFALL ALONG A LINE EXTENDING FROM 17 MILES WEST
OF NEWTON TO 8 MILES NORTH OF EASTON TO 11 MILES SOUTHEAST OF
ALLENTOWN...MOVING NORTHEAST AT 45 MPH. THE SHOWERS WILL BE NEAR
FLATBROOKVILLE...ROXBURG AROUND 435 PM...ERWINNA...BYRAM...
BLAIRSTOWN...BELVIDERE AROUND 440 PM...CRANDON LAKES...
SERGEANTSVILLE...PLEASANT VALLEY AND HOPE AROUND 445 PM.
VERY HEAVY RAIN WILL FALL WITH THE HEAVIER SHOWERS...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS. RAINFALL
AMOUNTS UP TO HALF AN INCH IN AN HOUR ARE POSSIBLE IN THE STRONGER
SHOWERS. PLEASE TAKE ROADWAYS THAT ARE NOT PRONE TO PONDING OF WATER
IN POOR DRAINAGE LOCATIONS.
LAT...LON 4122 7438 4119 7437 4109 7449 4105 7449
4106 7445 4101 7430 4090 7427 4090 7433
4082 7432 4045 7460 4038 7543 4041 7545
4050 7540 4054 7533 4056 7537 4101 7510
4108 7497 4109 7499 4133 7479 4136 7469
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 4:48 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex, Monmouth | 87 min |
| Oct 15, 2:02 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 88 min |
| Oct 15, 2:44 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 61 min |
| Oct 15, 3:25 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 80 min |
| Oct 15, 7:33 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 117 min |
Nearby
Special Weather Statements in New Jersey, 2012Every special weather statement in 2012
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.