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 Apr 21, 2021, 2:43 PM EDT for Cape May County, New Jersey. It was in force for 32 min. 4 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
- Apr 21, 2021, 2:43 PM EDT (18:43 UTC)
- Expired
- Apr 21, 2021, 3:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
County Cape May County, NJ
The radar
The Dover AFB radar (KDOX), 64 km from the middle of the area, began a volume at 18:44 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 |
|---|---|---|---|
| Apr 21, 2:45 PM EDT | TSTM WND GST 46 | Cape May, NJ | |
| Apr 21, 2:45 PM EDT | MARINE TSTM WIND 46 | Cape May, NJ | |
| Apr 21, 2:55 PM EDT | TSTM WND GST 44 | 1 Nw Sea Isle City, NJ | LUDLUM BAY. |
| Apr 21, 2:55 PM EDT | MARINE TSTM WIND 44 | 1 Nw Sea Isle City, NJ | LUDLUM BAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.7 hours before the alert went out and 144 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
- 12 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1437 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
044
WWUS81 KPHI 211843
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
243 PM EDT Wed Apr 21 2021
NJZ023>025-211915-
Coastal Atlantic-Atlantic Coastal Cape May-Cape May-
243 PM EDT Wed Apr 21 2021
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CAPE MAY COUNTY...
At 243 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Eldora to near West Cape May. Movement
was northeast at 55 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
Ocean City, Cape May, Somers Point, North Wildwood, Wildwood Crest,
Woodbine, Sea Isle City, Avalon, West Cape May, Longport, Stone
Harbor, Corbin City, Cape May Court House, Scotch Bonnet, Beesleys
Point, Seaville, Dennisville, Strathmere, Eldora and North Cape May.
This includes Garden State Parkway between mile markers 0 and 28.
LAT...LON 3918 7493 3918 7491 3922 7492 3933 7453
3915 7461 3904 7473 3885 7503
TIME...MOT...LOC 1843Z 230DEG 49KT 3921 7487 3890 7500
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 8:48 PM EDT | Freeze Watch | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 7 hr |
| Apr 21, 3:26 AM EDT | Freeze Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 30 hr |
| Apr 21, 12:25 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 50 min |
| Apr 21, 12:51 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 21 min |
| Apr 21, 12:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 27 min |
| Apr 21, 1:10 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 50 min |
| Apr 21, 1:17 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Somerset, Sussex | 58 min |
| Apr 21, 1:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 36 min |
| Apr 21, 1:30 PM EDT | Special Marine Warning | PHI | 60 min | |
| Apr 21, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 33 min |
| Apr 21, 1:58 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Monmouth, Ocean | 62 min |
| Apr 21, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Monmouth, Ocean | 43 min |
| Apr 21, 2:03 PM EDT | Special Weather Statement | PHI | Cumberland | 27 min |
| Apr 21, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 43 min |
| Apr 21, 2:28 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth | 47 min |
| Apr 21, 2:30 PM EDT | Special Marine Warning | PHI | 60 min | |
| Apr 21, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 37 min |
| Apr 21, 2:40 PM EDT | Special Marine Warning | PHI | 55 min | |
| Apr 21, 2:50 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 40 min |
| Apr 21, 3:02 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 28 min |
| Apr 21, 3:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Apr 21, 12:03 PM EDT | Special Weather Statement | PHI | Chester, Lehigh | 42 min |
| Apr 21, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 43 min |
| Apr 21, 12:54 PM EDT | Special Weather Statement | PHI | Delaware | 36 min |
| Apr 21, 1:23 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 37 min |
| Apr 21, 2:09 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| Apr 21, 2:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 42 min |
| Apr 21, 2:47 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 16 min |
| Apr 21, 12:50 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 40 min |
Nearby
Special 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.