Alert archive / Delaware / Special Weather Statements in 2014
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 16, 2014, 12:09 AM EDT for Gloucester County, Salem County, New Jersey; Delaware County, Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It was in force for 66 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 16, 2014, 12:09 AM EDT (04:09 UTC)
- Expired
- Oct 16, 2014, 1:15 AM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Gloucester County, NJ, Salem County, NJ, Delaware County, PA
The radar
The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 04:09 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, 4.2 hours before the alert went out and 149 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
- 330 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
689
WWUS81 KPHI 160409
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1209 AM EDT THU OCT 16 2014
DEZ001>003-NJZ016>018-021-PAZ070-071-102-160515-
CAMDEN NJ-CUMBERLAND NJ-DELAWARE PA-EASTERN CHESTER PA-GLOUCESTER NJ-
INLAND SUSSEX DE-KENT DE-NEW CASTLE DE-PHILADELPHIA PA-SALEM NJ-
1209 AM EDT THU OCT 16 2014
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CHESTER...DELAWARE...
GLOUCESTER...KENT...NEW CASTLE...NORTHWESTERN CAMDEN...NORTHWESTERN
SUSSEX...SALEM...SOUTHWESTERN PHILADELPHIA AND WESTERN CUMBERLAND
COUNTIES...
AT 1205 AM EDT...A STRONG THUNDERSTORM WAS NEAR SEAFORD...MOVING
NORTH AT 60 MPH.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.
THIS STORM WILL BE NEAR HOUSTON...HARRINGTON...FARMINGTON...AND
MILFORD AROUND 1220 AM...MAGNOLIA...RISING SUN...RIVERVIEW...AND KENT
ACRES AROUND 1230 AM...DOVER AND LITTLE CREEK AROUND 1240 AM.
LAT...LON 3865 7569 4001 7570 4000 7534 3993 7499
3921 7517 3946 7555 3957 7552 3959 7555
3947 7558 3927 7540 3906 7539 3901 7532
3893 7532 3888 7525 3863 7531
$$
FORECASTER: HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 4:50 AM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 85 min |
| Oct 16, 5:53 AM EDT | Special Weather Statement | PHI | Middlesex, Monmouth, Morris, Somerset, Sussex | 97 min |
| Oct 16, 3:29 PM EDT | Small Craft Advisory for Hazardous Seas | PHI | 12 hr | |
| Oct 16, 1:35 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe | 6 hr |
| Oct 16, 3:37 AM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
Nearby
Special Weather Statements in Delaware, 2014Special Weather Statements in New Jersey, 2014Special Weather Statements in Pennsylvania, 2014Every special weather statement in 2014
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.