Alert archive / Delaware / Special Weather Statements in 2020
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 2, 2020, 8:00 PM EDT for Kent County, Delaware. It was in force for 30 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 2, 2020, 8:00 PM EDT (00:00 UTC)
- Expired
- Aug 2, 2020, 8:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
County Kent County, DE
The radar
The Dover AFB radar (KDOX), 37 km from the middle of the area, began a volume at 00:05 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, 0.0 hours before the alert went out and 136 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
- 2441 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
850
WWUS81 KPHI 030000
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
800 PM EDT Sun Aug 2 2020
DEZ002-NJZ021-030030-
Kent-Cumberland-
800 PM EDT Sun Aug 2 2020
...A STRONG THUNDERSTORM WILL AFFECT KENT AND SOUTHWESTERN CUMBERLAND
COUNTIES...
At 759 PM EDT, a strong thunderstorm was located over Camden, or near
Dover, moving northeast at 40 mph.
Wind gusts up to 40 mph are possible with this storm.
Locations impacted include...
Dover, Bridgeton, Smyrna, Camden, Cheswold, Greenwich, Bowers,
Woodside, Viola, Hartly, Newport, Rising Sun-Lebanon, Woodland Beach,
Hazlettville, Dover Base Housing, Dover Speedway, Sandtown,
Fortesque, Rising Sun and Fairton.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3894 7569 3913 7575 3923 7576 3943 7525
3921 7506
TIME...MOT...LOC 2359Z 236DEG 34KT 3912 7556
$$
NCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 8:09 PM EDT | Special Marine Warning | PHI | 36 min | |
| Aug 2, 8:53 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 51 hr |
| Aug 2, 8:53 PM EDT | High Surf Advisory | PHI | Atlantic, Cape May, Monmouth, Ocean | 51 hr |
| Aug 2, 9:01 PM EDT | Special Weather Statement | PHI | Atlantic | 44 min |
| Aug 2, 10:18 PM EDT | Special Weather Statement | PHI | Warren | 42 min |
| Aug 2, 11:42 PM EDT | Special Weather Statement | PHI | Cumberland | 33 min |
| Aug 2, 11:49 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 41 min |
| Aug 3, 5:08 AM EDT | Tropical Storm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 39 hr |
| Aug 3, 4:26 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 38 hr |
| Aug 3, 6:03 PM EDT | Special Marine Warning | PHI | 12 min | |
| Aug 3, 6:05 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 22 min |
| Aug 3, 6:19 PM EDT | Special Weather Statement | PHI | Salem | 26 min |
| Aug 3, 6:32 PM EDT | Special Weather Statement | PHI | Camden, Cumberland, Gloucester, Salem | 28 min |
| Aug 3, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 27 min |
| Aug 3, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 31 min |
| Aug 3, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 28 min |
| Aug 3, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Monmouth, Ocean | 48 min |
| Aug 3, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer, Monmouth | 40 min |
| Aug 3, 7:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 62 min |
| Aug 3, 7:52 PM EDT | Special Marine Warning | PHI | 73 min | |
| Aug 3, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 52 min |
| Aug 3, 3:05 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Aug 3, 3:27 PM EDT | Special Weather Statement | PHI | Sussex | 48 min |
| Aug 3, 3:40 PM EDT | Special Weather Statement | PHI | Talbot | 35 min |
| Aug 3, 4:26 PM EDT | Coastal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 27 hr |
Nearby
Special Weather Statements in Delaware, 2020Every special weather statement in 2020
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.