Alert archive / Delaware / Special Weather Statements in 2013
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 13, 2013, 3:20 PM EDT for New Castle County, Delaware. It was in force for 55 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
- Jul 13, 2013, 3:20 PM EDT (19:20 UTC)
- Expired
- Jul 13, 2013, 4:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
County New Castle County, DE
The radar
The Dover AFB radar (KDOX), 81 km from the middle of the area, began a volume at 19:23 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.3 hours before the alert went out and 171 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
- 2 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
595
WWUS81 KPHI 131920
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
320 PM EDT SAT JUL 13 2013
DEZ001-002-132015-
KENT DE-NEW CASTLE DE-
320 PM EDT SAT JUL 13 2013
...A STRONG THUNDERSTORM WILL AFFECT NEW CASTLE AND NORTHERN KENT
COUNTIES...
AT 315 PM EDT...A STRONG THUNDERSTORM WAS 6 MILES WEST OF DOVER...
MOVING NORTH AT 25 MPH.
WIND GUSTS UP TO 35 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.
THIS STORM WILL BE NEAR CLAYTON AROUND 330 PM...GREEN SPRING AROUND
340 PM...TOWNSEND AROUND 350 PM...ODESSA AROUND 400 PM...SAINT
GEORGES AROUND 410 PM AND BEAR AROUND 420 PM.
LAT...LON 3972 7548 3971 7548 3971 7551 3966 7554
3962 7560 3959 7559 3964 7557 3951 7555
3947 7558 3939 7551 3908 7553 3908 7572
3972 7579
$$
FORECASTER: GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 8:03 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Ocean | 57 min |
| Jul 13, 3:16 PM EDT | Excessive Heat Watch | PHI | Burlington, Camden, Gloucester, Mercer | 13 hr |
| Jul 13, 3:34 PM EDT | Areal Flood Advisory | PHI | Middlesex | 116 min |
| Jul 13, 5:17 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 43 min |
| Jul 13, 6:00 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex | 2 hr |
| Jul 12, 8:31 PM EDT | Special Weather Statement | PHI | Berks, Chester, Lehigh, Montgomery, Northampton | 59 min |
| Jul 13, 7:17 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 118 min |
| Jul 13, 12:00 AM EDT | River Flood Warning | PHI | New Castle | 3 hr |
| Jul 13, 12:09 AM EDT | River Flood Warning | PHI | New Castle | 115 min |
| Jul 13, 1:27 AM EDT | Areal Flood Warning | PHI | New Castle | 4 hr |
| Jul 13, 1:31 AM EDT | River Flood Warning | PHI | New Castle | 4 hr |
| Jul 13, 1:49 AM EDT | Areal Flood Warning | PHI | Kent | 18 hr |
Nearby
Special Weather Statements in Delaware, 2013Every special weather statement in 2013
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.