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 Sep 22, 2012, 11:37 PM EDT for Atlantic County, New Jersey. It was in force for 53 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
- Sep 22, 2012, 11:37 PM EDT (03:37 UTC)
- Expired
- Sep 23, 2012, 12:30 AM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
County Atlantic County, NJ
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 03:34 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.6 hours before the alert went out and 196 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
- 399 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1012 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
818
WWUS81 KPHI 230337
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1137 PM EDT SAT SEP 22 2012
NJZ020-022-025-026-230430-
ATLANTIC NJ-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-OCEAN NJ-
1137 PM EDT SAT SEP 22 2012
...STRONG THUNDERSTORMS WILL AFFECT ATLANTIC AND OCEAN COUNTIES...
AT 1134 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES NORTHEAST
OF ATLANTIC CITY TO 4 MILES NORTHWEST OF ATLANTIC CITY...MOVING EAST
AT 35 MPH. THE THUNDERSTORMS WILL BE NEAR SHIP BOTTOM AND SURF CITY
AROUND 1145 PM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.
LAT...LON 3955 7423 3950 7430 3945 7430 3938 7440
3935 7441 3931 7452 3932 7465 3956 7443
3956 7442 3959 7440 3969 7430 3968 7414
$$
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:06 PM EDT | Special Weather Statement | PHI | Morris | 39 min |
| Sep 22, 8:15 PM EDT | Special Weather Statement | PHI | Gloucester, Salem | 60 min |
| Sep 22, 8:17 PM EDT | Special Marine Warning | PHI | 58 min | |
| Sep 22, 8:28 PM EDT | Special Weather Statement | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 92 min |
| Sep 22, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 61 min |
| Sep 22, 8:49 PM EDT | Special Marine Warning | PHI | 41 min | |
| Sep 22, 10:11 PM EDT | Special Weather Statement | PHI | Ocean | 64 min |
| Sep 22, 10:27 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 63 min |
| Sep 22, 11:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Sep 22, 10:52 PM EDT | Special Weather Statement | PHI | Sussex | 53 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.