Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 79, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 2020, 5:12 PM EDT for 4 counties in New Jersey. It was in force for 48 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 27, 2020, 5:12 PM EDT (21:12 UTC)
- Expired
- Jun 27, 2020, 6:00 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 21:16 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 27, 5:34 PM EDT | TSTM WND DMG | 3 Sw Lakewood Twp, NJ | DOWNED POWER LINES NEAR WHITESVILLE ROAD. TIME ESTIMATED FROM RADAR. |
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 27, 3:16 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.2 hours before the alert went out and 167 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
- 1675 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
924
WUUS51 KPHI 272112
SVRPHI
NJC005-021-025-029-272200-
/O.NEW.KPHI.SV.W.0079.200627T2112Z-200627T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
512 PM EDT Sat Jun 27 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Ocean County in southern New Jersey...
Southeastern Mercer County in central New Jersey...
Northeastern Burlington County in southern New Jersey...
Southwestern Monmouth County in central New Jersey...
* Until 600 PM EDT.
* At 512 PM EDT, a severe thunderstorm was located over Crosswicks,
or near Trenton, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Toms River, Trenton, Lakewood, Jackson, Bordentown, Lakehurst,
Allentown, Six Flags Theme Park, Holiday City South, Pleasant
Plains, Cedar Glen West, Jacksons Mills, Cassville, Clarksburg,
Vista Center, Crosswicks, White Horse, Woodruff, Holiday
City-Berkeley and Imlaystown.
This includes the following highways...
New Jersey Turnpike between exits 7 and 8.
Interstate 195 in New Jersey between mile markers 0 and 31.
Interstate 295 in New Jersey between mile markers 56 and 62.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3992 7424 4013 7477 4014 7476 4015 7472
4016 7472 4018 7475 4022 7475 4018 7415
TIME...MOT...LOC 2112Z 284DEG 30KT 4017 7466
HAIL...0.75IN
WIND...60MPH
$$
Staarmann2 follow-up statements
277
WWUS51 KPHI 272131
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
531 PM EDT Sat Jun 27 2020
NJC005-021-272140-
/O.CAN.KPHI.SV.W.0079.000000T0000Z-200627T2200Z/
Mercer NJ-Burlington NJ-
531 PM EDT Sat Jun 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERCER AND
NORTHEASTERN BURLINGTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern and central New Jersey.
LAT...LON 4012 7417 3992 7424 4002 7449 4008 7456
4011 7457 4014 7455 4013 7440 4016 7431
4013 7417
TIME...MOT...LOC 2130Z 293DEG 31KT 4007 7435
$$
NJC025-029-272200-
/O.CON.KPHI.SV.W.0079.000000T0000Z-200627T2200Z/
Ocean NJ-Monmouth NJ-
531 PM EDT Sat Jun 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN OCEAN AND SOUTHWESTERN MONMOUTH COUNTIES...
At 530 PM EDT, a severe thunderstorm was located over Jackson, or 10
miles northwest of Toms River, moving southeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Lakewood, Jackson, Lakehurst, Cassville, Woodruff,
Holiday City-Berkeley, Holiday City South, Pleasant Plains, Cream
Ridge, Cedar Glen West, Pine Ridge At Crestwood, Jacksons Mills,
Leisure Village West-Pine Lake Park, Vista Center, Silver Ridge,
Leisure Knoll, Holiday City, New Egypt and Holiday Heights.
This includes Interstate 195 in New Jersey near mile marker 23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4012 7417 3992 7424 4002 7449 4008 7456
4011 7457 4014 7455 4013 7440 4016 7431
4013 7417
TIME...MOT...LOC 2130Z 293DEG 31KT 4007 7435
HAIL...0.75IN
WIND...60MPH
$$
Staarmann458
WWUS51 KPHI 272150
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
550 PM EDT Sat Jun 27 2020
NJC025-029-272200-
/O.EXP.KPHI.SV.W.0079.000000T0000Z-200627T2200Z/
Ocean NJ-Monmouth NJ-
550 PM EDT Sat Jun 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OCEAN AND
SOUTHWESTERN MONMOUTH COUNTIES WILL EXPIRE AT 600 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds and heavy rain are still
possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern and central New Jersey.
LAT...LON 4012 7417 3992 7424 4002 7449 4008 7456
4011 7457 4014 7455 4013 7440 4016 7431
4013 7417
TIME...MOT...LOC 2150Z 284DEG 30KT 4003 7414
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 44 min |
| Jun 27, 3:32 PM EDT | Areal Flood Advisory | PHI | Warren | 3 hr |
| Jun 27, 3:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset, Warren | 53 min |
| Jun 27, 4:17 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 58 min |
| Jun 27, 4:33 PM EDT | Special Marine Warning | PHI | 87 min | |
| Jun 27, 4:51 PM EDT | Special Weather Statement | PHI | Mercer | 24 min |
| Jun 27, 5:12 PM EDT | Areal Flood Advisory | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 2 hr |
| Jun 27, 5:27 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jun 27, 5:47 PM EDT | Special Weather Statement | PHI | Mercer | 13 min |
| Jun 27, 6:14 PM EDT | Special Weather Statement | PHI | Cumberland | 31 min |
| Jun 27, 6:54 PM EDT | Special Weather Statement | PHI | Cape May | 51 min |
| Jun 27, 6:58 PM EDT | Special Marine Warning | PHI | 32 min | |
| Jun 27, 7:25 PM EDT | Special Marine Warning | PHI | 30 min | |
| Jun 27, 7:25 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 27, 7:27 PM EDT | Special Weather Statement | PHI | Ocean | 33 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2020Every severe thunderstorm warning in 2020
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.