Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 55, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2017, 6:47 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 43 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
- Jun 19, 2017, 6:47 PM EDT (22:47 UTC)
- Expired
- Jun 19, 2017, 7:30 PM EDT
- In force
- 43 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), 55 km from the middle of the area, began a volume at 22:46 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 19, 6:53 PM EDT | TSTM WND GST 59 | Cape May, NJ | |
| Jun 19, 6:53 PM EDT | MARINE TSTM WIND 59 | Cape May, NJ | |
| Jun 19, 6:58 PM EDT | TSTM WND GST 59 | Cape May, NJ | |
| Jun 19, 6:58 PM EDT | MARINE TSTM WIND 59 | Cape May, NJ |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 19, 11:13 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.8 hours before the alert went out and 141 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
- 419 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1020 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
038
WUUS51 KPHI 192247
SVRPHI
NJC001-009-011-192330-
/O.NEW.KPHI.SV.W.0055.170619T2247Z-170619T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
647 PM EDT MON JUN 19 2017
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
South central Atlantic County in southern New Jersey...
Southeastern Cumberland County in southern New Jersey...
Cape May County in southern New Jersey...
* Until 730 PM EDT
* At 646 PM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Bowers to 9 miles east of Big
Stone Beach to 7 miles north of Cape Henlopen State Park, moving
northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Severe thunderstorms will be near,
Cape May, West Cape May and North Cape May around 700 PM EDT.
Wildwood Crest, Goshen, Rio Grande, Diamond Beach, Bivalve, Green
Creek and Port Norris around 705 PM EDT.
North Wildwood, Stone Harbor, Eldora, Scotch Bonnet, Dennisville,
Cape May Court House, Leesburg, Mauricetown, Bricksboro and Port
Elizabeth around 710 PM EDT.
Estell Manor, Avalon and Belleplain Forest around 715 PM EDT.
Woodbine, Sea Isle City, Strathmere and Seaville around 720 PM
EDT.
Ocean City, Somers Point, Corbin City, Beesleys Point and Marmora
around 730 PM EDT.
Other locations impacted by these severe thunderstorms include Erma,
Whitesboro-Burleigh, Villas and West Wildwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds...frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember...if you can hear thunder...you are close
enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7493
3919 7508 3916 7515 3920 7522 3912 7537
3913 7539 3939 7482 3926 7452
TIME...MOT...LOC 2246Z 247DEG 46KT 3911 7528 3903 7516 3891 7513
HAIL...<.75IN
WIND...60MPH
$$
Drag2 follow-up statements
020
WWUS51 KPHI 192255
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
655 PM EDT MON JUN 19 2017
NJC001-009-011-192330-
/O.CON.KPHI.SV.W.0055.000000T0000Z-170619T2330Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
655 PM EDT MON JUN 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTH CENTRAL ATLANTIC...SOUTHEASTERN CUMBERLAND AND CAPE MAY
COUNTIES...
At 655 PM EDT, severe thunderstorms were located along a line
extending from near Fortesque to 7 miles northwest of Green Creek to
near North Cape May, moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
These severe storms will be near...
Cape May and Green Creek around 700 PM EDT.
Wildwood Crest, Goshen, Diamond Beach, Leesburg, Rio Grande and
Cape May Court House around 705 PM EDT.
North Wildwood, Avalon, Stone Harbor, Eldora, Dennisville, Scotch
Bonnet, Mauricetown, Bricksboro and Port Elizabeth around 710 PM
EDT.
Woodbine, Sea Isle City, Estell Manor, Belleplain Forest, Seaville
and Strathmere around 715 PM EDT.
Marmora around 720 PM EDT.
Corbin City and Beesleys Point around 725 PM EDT.
Ocean City and Somers Point around 730 PM EDT.
Other locations impacted by these severe thunderstorms include Erma,
Whitesboro-Burleigh, Villas and West Wildwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds...frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember...if you can hear thunder...you are close
enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7515 3920 7522 3939 7482
3926 7452
TIME...MOT...LOC 2255Z 248DEG 52KT 3917 7519 3909 7503 3895 7500
HAIL...<.75IN
WIND...60MPH
$$
Drag634
WWUS51 KPHI 192323
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
723 PM EDT MON JUN 19 2017
NJC001-009-011-192331-
/O.EXP.KPHI.SV.W.0055.000000T0000Z-170619T2330Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
723 PM EDT MON JUN 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ATLANTIC...
SOUTHEASTERN CUMBERLAND AND CAPE MAY COUNTIES WILL EXPIRE AT 730 PM
EDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 800 PM EDT for
southern New Jersey.
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3919 7508 3916 7515 3920 7522 3939 7482
3926 7452
TIME...MOT...LOC 2321Z 247DEG 46KT 3930 7480 3922 7464 3908 7461
$$
DragThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 12:03 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jun 19, 2:33 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jun 19, 2:57 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 48 min |
| Jun 19, 3:17 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 3 hr |
| Jun 19, 3:35 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 25 min |
| Jun 19, 3:45 PM EDT | Special Weather Statement | PHI | Sussex | 15 min |
| Jun 19, 3:53 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 37 min |
| Jun 19, 3:54 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Morris, Somerset, Warren | 3 hr |
| Jun 19, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 49 min |
| Jun 19, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 38 min |
| Jun 19, 4:24 PM EDT | Special Marine Warning | PHI | 36 min | |
| Jun 19, 4:28 PM EDT | Special Weather Statement | PHI | Sussex | 17 min |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Mercer, Salem | 41 min |
| Jun 19, 4:42 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 3 hr |
| Jun 19, 4:51 PM EDT | Special Weather Statement | PHI | Gloucester | 39 min |
| Jun 19, 4:58 PM EDT | Special Weather Statement | PHI | Union | 32 min |
| Jun 19, 5:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jun 19, 5:06 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth, Somerset | 3 hr |
| Jun 19, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more | 51 min |
| Jun 19, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 45 min |
| Jun 19, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 62 min |
| Jun 19, 5:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 19, 5:44 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more | 3 hr |
| Jun 19, 5:46 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Mercer, Middlesex, Monmouth, Ocean | 3 hr |
| Jun 19, 5:52 PM EDT | Special Weather Statement | PHI | Atlantic, Monmouth, Ocean | 38 min |
| Jun 19, 5:53 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jun 19, 6:01 PM EDT | Special Weather Statement | PHI | Cumberland | 44 min |
| Jun 19, 6:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Jun 19, 7:08 PM EDT | Special Marine Warning | PHI | 52 min | |
| Jun 19, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 25 min |
| Jun 19, 7:33 PM EDT | Special Marine Warning | PHI | 57 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.