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 Mar 28, 2021, 7:54 PM EDT for Sussex County, Delaware. It was in force for 36 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
- Mar 28, 2021, 7:54 PM EDT (23:54 UTC)
- Expired
- Mar 28, 2021, 8:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 18 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 82 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
- 644 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
185
WWUS81 KPHI 282354
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
754 PM EDT Sun Mar 28 2021
DEZ003-004-290030-
Inland Sussex-Delaware Beaches-
754 PM EDT Sun Mar 28 2021
...AN AREA OF SHOWERS PRODUCING STRONG WINDS WILL AFFECT SUSSEX
COUNTY...
At 753 PM EDT, an area of showers was located near Milton, or 10
miles northeast of Georgetown, moving northeast at 45 mph.
Wind gusts up to 45 mph are possible with these showers.
Locations impacted include...
Georgetown, Seaford, Millsboro, Laurel, Lewes, Milton, Bridgeville,
Dagsboro, Ellendale, Henlopen Acres, Cape Henlopen State Park,
Sycamore, Long Neck, Blades, Dewey Beach and Bethel.
If outdoors, consider seeking shelter inside a building.
LAT...LON 3872 7571 3887 7527 3881 7507 3860 7503
3846 7563 3846 7569
TIME...MOT...LOC 2353Z 240DEG 39KT 3882 7527
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 2:39 AM EDT | Gale Warning | PHI | 35 hr | |
| Mar 28, 6:21 PM EDT | Special Marine Warning | PHI | 54 min | |
| Mar 28, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Warren | 47 min |
| Mar 28, 6:47 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Salem | 43 min |
| Mar 28, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 60 min |
| Mar 28, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Monmouth, Ocean | 70 min |
| Mar 28, 7:38 PM EDT | Special Marine Warning | PHI | 111 min | |
| Mar 28, 5:04 PM EDT | Special Weather Statement | PHI | Berks | 41 min |
| Mar 28, 5:13 PM EDT | Special Weather Statement | PHI | Carbon | 32 min |
| Mar 28, 5:45 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 30 min |
| Mar 28, 6:02 PM EDT | Special Weather Statement | PHI | Chester | 28 min |
| Mar 28, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 48 min |
| Mar 28, 6:15 PM EDT | Special Weather Statement | PHI | Montgomery | 30 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.