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 Apr 21, 2012, 6:55 PM EDT for Sussex County, New Jersey. It was in force for 65 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
- Apr 21, 2012, 6:55 PM EDT (22:55 UTC)
- Expired
- Apr 21, 2012, 8:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 137 km from the middle of the area, began a volume at 22:59 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, 10.9 hours before the alert went out and 168 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
845
WWUS81 KPHI 212255
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
655 PM EDT SAT APR 21 2012
NJZ001-007-220000-
SUSSEX NJ-WARREN NJ-
655 PM EDT SAT APR 21 2012
...A STRONG THUNDERSTORM WILL AFFECT SUSSEX AND WARREN COUNTIES...
AT 650 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 9 MILES WEST OF NEWTON...MOVING NORTHEAST AT 30
MPH. THE THUNDERSTORM WILL BE NEAR FIVE POINTS AROUND 700 PM...
CRANDON LAKES...NEWTON AROUND 705 PM...BRANCHVILLE AROUND 715 PM...
HAINESVILLE...FRANKLIN AROUND 720 PM...HAMBURG AROUND 725 PM AND
SUSSEX AROUND 730 PM.
WIND GUSTS TO 45 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM AND DANGEROUS CLOUD TO
GROUND LIGHTNING WILL OCCUR.
PLEASE MOVE INDOORS UNTIL THIS STORM PASSES.
LAT...LON 4122 7439 4092 7490 4103 7505 4106 7502
4108 7497 4110 7500 4111 7499 4116 7491
4121 7488 4136 7470
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 3:31 AM EDT | Gale Watch | PHI | 13 hr | |
| Apr 21, 3:31 AM EDT | Small Craft Advisory | PHI | 22 hr | |
| Apr 21, 3:15 PM EDT | Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 36 hr |
| Apr 21, 4:04 PM EDT | Gale Warning | PHI | 36 hr | |
| Apr 21, 7:19 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 116 min |
| Apr 21, 5:14 PM EDT | Special Weather Statement | PHI | Berks | 61 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.