Alert archive / Delaware / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 14, 2012, 6:44 PM EDT for Sussex County, Delaware. It was in force for 61 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 14, 2012, 6:44 PM EDT (22:44 UTC)
- Expired
- Aug 14, 2012, 7:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 4 km from the middle of the area, began a volume at 22:46 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, 10.7 hours before the alert went out and 94 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
- 1166 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.9
The text
As transmitted, in the capitals the NWS used until 2016.
306
WWUS81 KPHI 142244
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
644 PM EDT TUE AUG 14 2012
DEZ003-142345-
INLAND SUSSEX DE-
644 PM EDT TUE AUG 14 2012
...STRONG THUNDERSTORMS WILL AFFECT SUSSEX COUNTY...
AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS JUST NORTH OF GEORGETOWN...MOVING NORTHEAST AT
15 MPH. THE THUNDERSTORMS WILL BE NEAR SLAUGHTER BEACH AROUND 730 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.
EXPECT SMALL HAIL AND FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING.
LAT...LON 3869 7564 3896 7538 3895 7532 3886 7523
3879 7515
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:22 AM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 38 min |
| Aug 14, 9:44 AM EDT | Special Weather Statement | PHI | Hunterdon, Mercer | 91 min |
| Aug 14, 10:07 AM EDT | Special Weather Statement | PHI | Camden, Gloucester, Salem | 83 min |
| Aug 14, 11:42 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Gloucester | 3 hr |
| Aug 14, 2:35 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Ocean | 78 min |
| Aug 14, 3:46 PM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Ocean | 2 hr |
| Aug 14, 6:02 AM EDT | Special Weather Statement | PHI | Carbon | 88 min |
| Aug 14, 7:25 AM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh | 95 min |
| Aug 14, 8:06 AM EDT | Special Weather Statement | PHI | Chester, Lehigh | 84 min |
| Aug 14, 8:39 AM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 2 hr |
| Aug 14, 9:56 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 108 min |
| Aug 14, 4:12 PM EDT | Special Weather Statement | PHI | Delaware | 63 min |
| Aug 14, 4:15 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 60 min |
| Aug 14, 12:49 PM EDT | Special Weather Statement | PHI | Sussex | 56 min |
| Aug 14, 2:13 PM EDT | Areal Flood Advisory | PHI | Kent | 79 min |
| Aug 14, 2:28 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 2 hr |
| Aug 14, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 38 min |
| Aug 14, 3:22 PM EDT | Special Weather Statement | PHI | New Castle | 53 min |
| Aug 14, 4:54 PM EDT | Special Weather Statement | PHI | Kent | 66 min |
| Aug 14, 7:42 AM EDT | Special Weather Statement | PHI | Kent | 63 min |
| Aug 14, 2:02 PM EDT | Special Weather Statement | PHI | Queen Anne's | 58 min |
Nearby
Special Weather Statements in Delaware, 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.