Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 30, 2021, 9:21 PM EDT for Salem County, New Jersey; New Castle County, Delaware. It was in force for 39 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
- Jun 30, 2021, 9:21 PM EDT (01:21 UTC)
- Expired
- Jun 30, 2021, 10:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 92 km from the middle of the area, began a volume at 01:22 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 |
|---|---|---|---|
| Jun 30, 9:22 PM EDT | HAIL 0.7 | 1 Wnw Mount Pleasant, DE | |
| Jun 30, 9:25 PM EDT | TSTM WND GST 53 | 3 W Mount Pleasant, DE | CWOP STATION FW7093 MEASURED GUST. |
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 00:00Z, 1.4 hours before the alert went out and 188 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
- 166 J/kg
- Mixed-layer CIN
- -206 J/kg
- Mixed-layer LCL
- 1401 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -102 m²/s²
- 0-3 km storm-relative helicity
- -75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
678
WWUS81 KPHI 010121
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
921 PM EDT Wed Jun 30 2021
DEZ001-NJZ016-010200-
New Castle-Salem-
921 PM EDT Wed Jun 30 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN NEW CASTLE AND
NORTHWESTERN SALEM COUNTIES...
At 921 PM EDT, a strong thunderstorm was located over Brantwood, or
near Elkton, moving east at 30 mph.
Wind gusts up to 45 mph are possible with this storm.
Locations impacted include...
Wilmington, Newark, Middletown, Pennsville, Carneys Point, New
Castle, Penns Grove, Salem, Woodstown, Alloway, Quinton, Delaware
City, Newport, Saint Georges, Mount Pleasant, Glasgow, Bear, Delaware
Memorial Bridge, Port Penn and Wilmington Manor.
This includes the following highways...
New Jersey Turnpike near exit 1.
Interstate 95 in Delaware between mile markers 0 and 13.
Interstate 295 in New Jersey between mile markers 0 and 8.
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 3979 7542 3978 7540 3976 7540 3975 7538
3973 7538 3968 7530 3956 7524 3955 7525
3945 7578 3966 7579
TIME...MOT...LOC 0121Z 250DEG 28KT 3955 7579
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 38 min |
| Jun 30, 8:56 PM EDT | Special Marine Warning | PHI | 94 min | |
| Jun 30, 9:05 PM EDT | Special Weather Statement | PHI | Somerset | 40 min |
| Jun 30, 9:49 PM EDT | Special Weather Statement | PHI | Monmouth | 26 min |
| Jun 30, 9:51 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 1, 2:58 AM EDT | Small Craft Advisory | PHI | 17 hr | |
| Jul 1, 1:10 PM EDT | Special Weather Statement | PHI | Monmouth | 50 min |
| Jul 1, 1:16 PM EDT | Special Weather Statement | PHI | Atlantic | 29 min |
| Jul 1, 1:28 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 1, 1:31 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| Jul 1, 4:21 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem and 1 more | 48 min |
| Jul 1, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland, Salem | 80 min |
| Jul 1, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more | 46 min |
| Jul 1, 5:02 PM EDT | Tornado Warning | PHI | Burlington, Mercer | 28 min |
| Jul 1, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 93 min |
| Jul 1, 5:35 PM EDT | Tornado Warning | PHI | Mercer, Monmouth, Ocean | 25 min |
| Jul 1, 5:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 1, 5:46 PM EDT | Special Marine Warning | PHI | 119 min | |
| Jul 1, 6:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Jun 30, 8:16 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 44 min |
| Jul 1, 2:51 PM EDT | Special Weather Statement | PHI | Chester, Montgomery | 39 min |
| Jul 1, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 47 min |
| Jul 1, 3:23 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 77 min |
| Jul 1, 3:48 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 112 min |
| Jul 1, 3:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 40 min |
| Jul 1, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 52 min |
| Jul 1, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 52 min |
| Jul 1, 4:10 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 94 min |
| Jul 1, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 43 min |
| Jul 1, 4:57 PM EDT | Tornado Warning | PHI | Kent, Sussex | 22 min |
| Jul 1, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Jul 1, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 48 min |
| Jul 1, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 49 min |
Nearby
Special Weather Statements in New Jersey, 2021Special 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.