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 Oct 15, 2012, 9:21 PM EDT for Sussex County, Delaware. It was in force for 39 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 15, 2012, 9:21 PM EDT (01:21 UTC)
- Expired
- Oct 15, 2012, 10:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 29 km from the middle of the area, began a volume at 01:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 15, 9:28 PM EDT | MARINE TSTM WIND 35 | Lewes, DE | |
| Oct 15, 9:28 PM EDT | MARINE TSTM WIND 39 | Lewes, DE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.4 hours before the alert went out and 79 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
- 885 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
836
WWUS81 KPHI 160121
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
921 PM EDT MON OCT 15 2012
DEZ003-004-160200-
DELAWARE BEACHES DE-INLAND SUSSEX DE-
921 PM EDT MON OCT 15 2012
...SHOWERS, POSSIBLY A THUNDERSTORM WITH HEAVY RAINFALL WILL AFFECT
SUSSEX COUNTY...
AT 917 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAINFALL ALONG A LINE EXTENDING FROM 11 MILES
NORTHEAST OF GEORGETOWN TO 11 MILES SOUTH OF GEORGETOWN TO 34 MILES
SOUTHWEST OF GEORGETOWN...MOVING EAST AT 40 MPH. THE SHOWERS WILL BE
NEAR GUMBORO...MILLSBORO...LEWES AROUND 925 PM...CAPE HENLOPEN STATE
PARK...FRANKFORD...DAGSBORO AROUND 930 PM...REHOBOTH BEACH...LONG
NECK...DEWEY BEACH AROUND 935 PM AND SELBYVILLE AROUND 940 PM.
VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS...AND WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS. LOCALLY
HALF AN INCH OF RAIN COULD FALL BEFORE THIS LINE MOVES OFFSHORE.
WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THE STRONGER SHOWERS.
LAT...LON 3845 7559 3846 7560 3853 7551 3890 7528
3879 7515 3879 7511 3881 7510 3880 7508
3867 7505 3862 7505 3861 7504 3845 7504
3844 7505
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 9:25 PM EDT | Special Marine Warning | PHI | 95 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.