Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 227, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 12, 2020, 12:45 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 45 min. 6 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
- Aug 12, 2020, 12:45 PM EDT (16:45 UTC)
- Expired
- Aug 12, 2020, 1:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 20 km from the middle of the area, began a volume at 16:47 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 |
|---|---|---|---|
| Aug 12, 12:54 PM EDT | TSTM WND DMG | 2 Ne Leisure Village Ea, NJ | DOWNED TREE AND WIRES NEAR PINE STREET IN BRICK TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Aug 12, 12:56 PM EDT | TSTM WND DMG | 1 Ne Leisure Village Ea, NJ | DOWNED TREE AND WIRES NEAR CENTRAL AVENUE IN BRICK TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Aug 12, 1:00 PM EDT | HAIL 0.25 | 1 W Leisure Village Eas, NJ | |
| Aug 12, 1:05 PM EDT | TSTM WND DMG | 1 Ene Lakehurst, NJ | SEVERAL REPORTS OF DOWNED POWER LINES SOUTH OF LAKEWOOD TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Aug 12, 1:14 PM EDT | TSTM WND DMG | 3 Ese Lakehurst, NJ | DOWNED TREE LIMBS AND POWER LINES NEAR BURNSIDE STREET IN THE LAKEHURST AREA. TIME ESTIMATED FROM RADAR. |
| Aug 12, 1:30 PM EDT | TSTM WND DMG | 2 Wnw Toms River, NJ | SEVERAL REPORTS OF DOWNED POWER LINES IN THE SILVER RIDGE AREA. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 4.8 hours before the alert went out and 146 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
- 1221 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 921 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
569
WUUS51 KPHI 121645
SVRPHI
NJC025-029-121730-
/O.NEW.KPHI.SV.W.0227.200812T1645Z-200812T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1245 PM EDT Wed Aug 12 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Ocean County in southern New Jersey...
Southeastern Monmouth County in central New Jersey...
* Until 130 PM EDT.
* At 1245 PM EDT, a severe thunderstorm was located over Leisure
Village East, or near Toms River, moving southeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Toms River, Asbury Park, Lakewood, Jackson, Howell, Tinton Falls,
Beachwood, Manasquan, Point Pleasant Beach, Seaside Heights,
Lakehurst, Farmingdale, Mantoloking, Allenwood, Cassville, Brick
Township, Collingwood Park, Pine Ridge At Crestwood, Leisure
Village West-Pine Lake Park and Leisure Village.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 24 and 34.
Garden State Parkway between mile markers 76 and 103.
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 4004 7450 4025 7413 4022 7396 3978 7407
TIME...MOT...LOC 1645Z 298DEG 12KT 4005 7417
HAIL...<.75IN
WIND...60MPH
$$
CMS1 follow-up statement
879
WWUS51 KPHI 121706
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
106 PM EDT Wed Aug 12 2020
NJC025-029-121730-
/O.CON.KPHI.SV.W.0227.000000T0000Z-200812T1730Z/
Ocean NJ-Monmouth NJ-
106 PM EDT Wed Aug 12 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR NORTHERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...
At 106 PM EDT, a severe thunderstorm was located over Brick
Township, or near Toms River, moving southeast at 10 mph. Several
power outages have been reported in Brick Township in the past 15
minutes.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Asbury Park, Lakewood, Jackson, Howell, Tinton Falls,
Beachwood, Manasquan, Point Pleasant Beach, Seaside Heights,
Lakehurst, Farmingdale, Mantoloking, Allenwood, Cassville, Brick
Township, Collingwood Park, Pine Ridge At Crestwood, Leisure Village
West-Pine Lake Park and Leisure Village.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 24 and 34.
Garden State Parkway between mile markers 76 and 103.
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.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
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 4004 7450 4025 7413 4022 7396 3978 7407
TIME...MOT...LOC 1706Z 311DEG 7KT 4003 7412
HAIL...<.75IN
WIND...60MPH
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 12:06 PM EDT | Special Weather Statement | PHI | Monmouth | 24 min |
| Aug 12, 12:16 PM EDT | Special Weather Statement | PHI | Burlington | 29 min |
| Aug 12, 12:33 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 42 min |
| Aug 12, 12:43 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean and 1 more | 3 hr |
| Aug 12, 1:12 PM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Aug 12, 1:12 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Monmouth, Ocean | 48 min |
| Aug 12, 1:25 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 50 min |
| Aug 12, 1:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 51 min |
| Aug 12, 1:57 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 48 min |
| Aug 12, 2:40 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 3 hr |
| Aug 12, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 25 min |
| Aug 12, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 46 min |
| Aug 12, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Salem | 29 min |
| Aug 12, 3:54 PM EDT | Special Marine Warning | PHI | 53 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.