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 May 8, 2021, 3:23 PM EDT for Salem County, New Jersey; Kent County, New Castle County, Delaware. It was in force for 37 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 8, 2021, 3:23 PM EDT (19:23 UTC)
- Expired
- May 8, 2021, 4:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, New Castle County, DE, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 64 km from the middle of the area, began a volume at 19:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 3:30 PM EDT | HAIL 0.25 | 1 Ese Smyrna, DE | |
| May 8, 3:38 PM EDT | HAIL 0.25 | Camden, DE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.4 hours before the alert went out and 154 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
- 1 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
882
WWUS81 KPHI 081923
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
323 PM EDT Sat May 8 2021
DEZ001-002-MDZ012-015-020-NJZ016-021-082000-
Kent-New Castle-Queen Anne's-Kent-Caroline-Salem-Cumberland-
323 PM EDT Sat May 8 2021
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NEW CASTLE...KENT...
NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE...NORTHEASTERN
KENT...WEST CENTRAL CUMBERLAND AND SALEM COUNTIES...
At 323 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Saint Georges to near Goldsboro. Movement
was east at 25 mph.
Half inch hail is possible with these storms.
Locations impacted include...
Dover, Newark, Middletown, Pennsville, Smyrna, Carneys Point, New
Castle, Salem, Harrington, Woodstown, Alloway, Camden, Clayton,
Quinton, Greensboro, Oakland, Delaware City, Cheswold, Millington and
Sudlersville.
This includes the following highways...
New Jersey Turnpike near exit 1.
Interstate 95 in Delaware between mile markers 0 and 8.
Interstate 295 in New Jersey between mile markers 0 and 2.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 3937 7588 3936 7585 3938 7582 3938 7577
3965 7579 3969 7578 3969 7530 3968 7526
3888 7551 3886 7554 3902 7598
TIME...MOT...LOC 1923Z 287DEG 22KT 3956 7566 3904 7584
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 11:22 AM EDT | Special Weather Statement | PHI | Monmouth | 38 min |
| May 8, 1:12 PM EDT | Special Weather Statement | PHI | Monmouth | 33 min |
| May 8, 1:15 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 58 min |
| May 8, 1:45 PM EDT | Special Weather Statement | PHI | Ocean | 15 min |
| May 8, 2:01 PM EDT | Special Weather Statement | PHI | Ocean | 14 min |
| May 8, 2:34 PM EDT | Small Craft Advisory | PHI | 7 hr | |
| May 8, 2:42 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth, Morris | 48 min |
| May 8, 2:47 PM EDT | Special Marine Warning | PHI | 31 min | |
| May 8, 3:04 PM EDT | Special Weather Statement | PHI | Salem | 26 min |
| May 8, 3:43 PM EDT | Special Marine Warning | PHI | 62 min | |
| May 8, 3:46 PM EDT | Special Weather Statement | PHI | Somerset | 29 min |
| May 8, 3:53 PM EDT | Special Marine Warning | PHI | 56 min | |
| May 8, 4:01 PM EDT | Special Marine Warning | PHI | 48 min | |
| May 8, 4:16 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| May 8, 4:21 PM EDT | Special Weather Statement | PHI | Hunterdon, Middlesex, Somerset | 24 min |
| May 8, 4:28 PM EDT | Special Marine Warning | PHI | 62 min | |
| May 8, 4:46 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Somerset | 29 min |
| May 8, 5:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| May 8, 3:39 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| May 8, 3:54 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| May 8, 4:15 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| May 8, 4:33 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| May 8, 5:56 PM EDT | Special Weather Statement | PHI | Kent | 34 min |
| May 8, 3:21 PM EDT | Special Weather Statement | PHI | Queen Anne's | 24 min |
| May 8, 3:50 PM EDT | Special Weather Statement | PHI | Caroline | 25 min |
| May 8, 4:06 PM EDT | Special Weather Statement | PHI | Caroline | 24 min |
| May 8, 6:47 PM EDT | Special Weather Statement | PHI | Caroline | 28 min |
Nearby
Special Weather Statements in Delaware, 2021Special Weather Statements in New Jersey, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.