Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2017, 7:11 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 64 min. 1 report 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 21, 2017, 7:11 PM EDT (23:11 UTC)
- Expired
- Jun 21, 2017, 8:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 23:11 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 21, 8:24 PM EDT | MARINE TSTM WIND 47 | Cape May Nos Buoy, NJ |
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, 11.2 hours before the alert went out and 159 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
- 1471 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- -98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
707
WUUS51 KPHI 212311
SVRPHI
NJC001-009-011-220015-
/O.NEW.KPHI.SV.W.0067.170621T2311Z-170622T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
711 PM EDT WED JUN 21 2017
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southern Atlantic County in southern New Jersey...
Cumberland County in southern New Jersey...
Cape May County in southern New Jersey...
* Until 815 PM EDT
* At 711 PM EDT, severe thunderstorms were located along a line
extending from near Mizpah to near Laurel Lake to Greenwich, moving
southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Vineland, Atlantic City, Millville, Bridgeton, Ocean City, Cape
May, Cumberland, Pleasantville, Somers Point, Ventnor City,
Brigantine, Northfield, Absecon, Margate City, Buena, North
Wildwood, Laurel Lake, Wildwood Crest, Woodbine and Sea Isle City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm...and
the storm will affect the beaches. For your safety...immediately move
off the beach and seek shelter indoors.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3929 7534 3939 7543
3941 7541 3951 7515 3946 7508 3952 7503
3951 7499 3957 7492 3944 7457 3943 7437
3941 7431
TIME...MOT...LOC 2311Z 302DEG 40KT 3952 7485 3935 7507 3941 7535
HAIL...<.75IN
WIND...60MPH
$$
JRK4 follow-up statements
654
WWUS51 KPHI 212329
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
729 PM EDT WED JUN 21 2017
NJC001-009-011-220015-
/O.CON.KPHI.SV.W.0067.000000T0000Z-170622T0015Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
729 PM EDT WED JUN 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHERN ATLANTIC...SOUTHERN CUMBERLAND AND CAPE MAY COUNTIES...
At 729 PM EDT, severe thunderstorms were located along a line
extending from near Mays Landing to near Bricksboro to 6 miles south
of Greenwich, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Atlantic City, Millville, Bridgeton, Ocean City, Cape May,
Cumberland, Pleasantville, Somers Point, Ventnor City, Brigantine,
Northfield, Absecon, Margate City, North Wildwood, Laurel Lake,
Wildwood Crest, Weymouth, Woodbine, Sea Isle City and Estell Manor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm...and
the storm will affect the beaches. For your safety...immediately move
off the beach and seek shelter indoors.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3929 7535 3939 7543
3942 7539 3938 7492 3952 7478 3944 7457
3943 7436 3941 7432
TIME...MOT...LOC 2329Z 294DEG 27KT 3946 7468 3930 7493 3929 7533
HAIL...<.75IN
WIND...60MPH
$$
JRK711
WWUS51 KPHI 212345
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
745 PM EDT WED JUN 21 2017
NJC001-009-011-220015-
/O.CON.KPHI.SV.W.0067.000000T0000Z-170622T0015Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
745 PM EDT WED JUN 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHEASTERN ATLANTIC...SOUTHERN CUMBERLAND AND CAPE MAY
COUNTIES...
At 744 PM EDT, severe thunderstorms were located along a line
extending from near Northfield to Belleplain Forest to near
Fortesque, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Atlantic City, Millville, Ocean City, Cape May, Pleasantville, Somers
Point, Ventnor City, Brigantine, Northfield, Absecon, Margate City,
North Wildwood, Laurel Lake, Wildwood Crest, Woodbine, Sea Isle City,
Estell Manor, Avalon, West Cape May and Longport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this
storm...and the storm will affect the beaches. For your
safety...immediately move off the beach and seek shelter indoors.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3930 7536 3935 7540
3937 7474 3946 7462 3944 7457 3943 7440
3941 7432
TIME...MOT...LOC 2344Z 307DEG 21KT 3940 7461 3924 7486 3923 7526
HAIL...<.75IN
WIND...60MPH
$$
JRK622
WWUS51 KPHI 220005
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
805 PM EDT WED JUN 21 2017
NJC001-220015-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-170622T0015Z/
Atlantic NJ-
805 PM EDT WED JUN 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3923 7526 3932 7485
3930 7476 3930 7467 3929 7465 3930 7465
3926 7452
TIME...MOT...LOC 0005Z 308DEG 28KT 3931 7450 3915 7475 3908 7523
$$
NJC009-011-220015-
/O.CON.KPHI.SV.W.0067.000000T0000Z-170622T0015Z/
Cumberland NJ-Cape May NJ-
805 PM EDT WED JUN 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHEASTERN CUMBERLAND AND CAPE MAY COUNTIES...
At 805 PM EDT, severe thunderstorms were located along a line
extending from Longport to near Sea Isle City to 7 miles northeast of
Big Stone Beach, moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Ocean City, Cape May, North Wildwood, Wildwood Crest, Woodbine, Sea
Isle City, Estell Manor, Avalon, West Cape May, Stone Harbor, Corbin
City, Cape May Court House, Leesburg, Scotch Bonnet, Beesleys Point,
Seaville, Dennisville, Strathmere, Fortesque and Eldora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this
storm...and the storm will affect the beaches. For your
safety...immediately move off the beach and seek shelter indoors.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3923 7526 3932 7485
3930 7476 3930 7467 3929 7465 3930 7465
3926 7452
TIME...MOT...LOC 0005Z 308DEG 28KT 3931 7450 3915 7475 3908 7523
HAIL...<.75IN
WIND...60MPH
$$
JRK473
WWUS51 KPHI 220014
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
814 PM EDT WED JUN 21 2017
NJC009-011-220024-
/O.EXP.KPHI.SV.W.0067.000000T0000Z-170622T0015Z/
Cumberland NJ-Cape May NJ-
814 PM EDT WED JUN 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND AND
CAPE MAY COUNTIES WILL EXPIRE AT 815 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with these thunderstorms.
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7517 3923 7526 3932 7485
3930 7476 3930 7467 3929 7465 3930 7465
3926 7452
TIME...MOT...LOC 0014Z 302DEG 40KT 3926 7439 3910 7464 3903 7512
$$
JRKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 4:21 PM EDT | Special Weather Statement | PHI | Hunterdon | 39 min |
| Jun 21, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 47 min |
| Jun 21, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 42 min |
| Jun 21, 5:19 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 41 min |
| Jun 21, 5:36 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jun 21, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Ocean | 37 min |
| Jun 21, 5:54 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 26 min |
| Jun 21, 6:03 PM EDT | Special Marine Warning | PHI | 42 min | |
| Jun 21, 6:25 PM EDT | Special Marine Warning | PHI | 95 min | |
| Jun 21, 6:27 PM EDT | Special Weather Statement | PHI | Cumberland, Salem | 33 min |
| Jun 21, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 44 min |
| Jun 21, 6:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 21, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 48 min |
| Jun 21, 7:05 PM EDT | Special Weather Statement | PHI | Cape May | 25 min |
| Jun 21, 7:17 PM EDT | Special Marine Warning | PHI | 88 min | |
| Jun 21, 7:56 PM EDT | Special Marine Warning | PHI | 94 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2017Every severe thunderstorm warning in 2017
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.