Alert archive / Delaware / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 3, 2021, 5:33 PM EDT for Sussex County, Delaware. It was in force for 42 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
- Jun 3, 2021, 5:33 PM EDT (21:33 UTC)
- Expired
- Jun 3, 2021, 6:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 25 km from the middle of the area, began a volume at 21:33 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 12:00Z, 9.6 hours before the alert went out and 80 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
- 126 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
990
WWUS81 KPHI 032133
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
533 PM EDT Thu Jun 3 2021
DEZ002>004-MDZ020-032215-
Inland Sussex-Kent-Delaware Beaches-Caroline-
533 PM EDT Thu Jun 3 2021
...A STRONG THUNDERSTORM WILL AFFECT SUSSEX...SOUTH CENTRAL KENT AND
SOUTHEASTERN CAROLINE COUNTIES...
At 532 PM EDT, a strong thunderstorm was located near Sycamore, or 10
miles southwest of Georgetown, moving northeast at 55 mph.
Wind gusts up to 50 mph and pea size hail are possible with this
storm.
Locations impacted include...
Georgetown, Milford, Seaford, Millsboro, Laurel, Harrington,
Federalsburg, Milton, Bridgeville, Delmar, Dagsboro, Ellendale,
Viola, Smithville, Gumboro, Andrewsville, Sycamore, Long Neck, Felton
and Blades.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3853 7570 3865 7571 3869 7577 3868 7578
3868 7580 3906 7557 3864 7500 3845 7539
3845 7558
TIME...MOT...LOC 2132Z 230DEG 47KT 3861 7555
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 9:37 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Salem | 12 hr |
| Jun 3, 5:55 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 3, 6:33 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland, Salem | 42 min |
| Jun 3, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 38 min |
| Jun 3, 7:09 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 2 hr |
| Jun 3, 7:13 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Somerset | 3 hr |
| Jun 3, 7:52 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 38 min |
| Jun 3, 3:02 PM EDT | Special Weather Statement | PHI | Berks | 43 min |
| Jun 3, 3:54 PM EDT | Special Weather Statement | PHI | Berks | 36 min |
| Jun 3, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 27 min |
| Jun 3, 5:20 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Jun 3, 5:59 PM EDT | Flash Flood Warning | PHI | Berks, Chester | 108 min |
| Jun 3, 6:19 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 115 min |
Nearby
Special Weather Statements in Delaware, 2021Every special weather statement in 2021
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.