Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 116, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2020, 2:51 PM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 39 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
- Jul 6, 2020, 2:51 PM EDT (18:51 UTC)
- Expired
- Jul 6, 2020, 3:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 18:52 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 |
|---|---|---|---|
| Jul 6, 3:10 PM EDT | TSTM WND DMG | 2 Nnw Old Bridge, NJ | DOWNED TREES AND WIRES NEAR PLEASANT VALLEY ROAD IN OLD BRIDGE. 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 |
|---|---|---|---|
| Jul 6, 1:38 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 120 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
- 100 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
246
WUUS51 KPHI 061851 RRA
SVRPHI
NJC023-025-061930-
/O.NEW.KPHI.SV.W.0116.200706T1851Z-200706T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
251 PM EDT Mon Jul 6 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Monmouth County in central New Jersey...
Central Middlesex County in northern New Jersey...
* Until 330 PM EDT.
* At 250 PM EDT, a severe thunderstorm was located over Morganville,
or 12 miles south of Perth Amboy, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Long Branch, Sandy Hook, Middletown, Old Bridge, East Brunswick,
Sayreville, Marlboro, Tinton Falls, Holmdel, Red Bank, Keansburg,
Matawan, Jamesburg, Highlands, Brownville, East Freehold,
Robertsville, Yorketown, Elberon and Navesink.
This includes Garden State Parkway between mile markers 105 and 126.
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.
&&
LAT...LON 4026 7397 4027 7436 4040 7450 4051 7426
4049 7428 4046 7426 4044 7420 4046 7418
4045 7413 4041 7399 4048 7402 4048 7401
4043 7397
TIME...MOT...LOC 1850Z 244DEG 17KT 4034 7428
HAIL...1.00IN
WIND...60MPH
$$
Gorse1 follow-up statement
920
WWUS51 KPHI 061910
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
310 PM EDT Mon Jul 6 2020
NJC023-025-061930-
/O.CON.KPHI.SV.W.0116.000000T0000Z-200706T1930Z/
Monmouth NJ-Middlesex NJ-
310 PM EDT Mon Jul 6 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHEASTERN MONMOUTH AND SOUTHEASTERN MIDDLESEX COUNTIES...
At 309 PM EDT, a severe thunderstorm was located over Marlboro, or 11
miles south of Perth Amboy, moving northeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Long Branch, Sandy Hook, Middletown, Old Bridge, East Brunswick,
Sayreville, Marlboro, Tinton Falls, Holmdel, Red Bank, Matawan,
Highlands, Brownville, Robertsville, Elberon, Navesink, Lincroft,
Morganville, Yorketown and East Freehold.
This includes Garden State Parkway between mile markers 106 and 126.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4026 7397 4029 7430 4040 7450 4051 7427
4050 7428 4046 7426 4044 7420 4046 7418
4041 7399 4044 7399 4048 7402 4048 7401
4043 7397
TIME...MOT...LOC 1909Z 243DEG 9KT 4035 7425
HAIL...1.00IN
WIND...60MPH
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:16 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 12 hr |
| Jul 6, 12:45 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 60 min |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 8 hr |
| Jul 6, 12:57 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 2 hr |
| Jul 6, 1:08 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 6, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth | 60 min |
| Jul 6, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 62 min |
| Jul 6, 1:52 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Jul 6, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 75 min |
| Jul 6, 2:02 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Mercer, Middlesex, Monmouth, Ocean | 118 min |
| Jul 6, 2:39 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 66 min |
| Jul 6, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 49 min |
| Jul 6, 2:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 6, 2:48 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 4 hr |
| Jul 6, 2:57 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 45 min |
| Jul 6, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 46 min |
| Jul 6, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 42 min |
| Jul 6, 3:34 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth, Somerset | 116 min |
| Jul 6, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 54 min |
| Jul 6, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 39 min |
| Jul 6, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 52 min |
| Jul 6, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 6, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 6, 3:47 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 4 hr |
| Jul 6, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 58 min |
| Jul 6, 4:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 6, 4:45 PM EDT | Special Marine Warning | PHI | 41 min | |
| Jul 6, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland, Salem | 60 min |
| Jul 6, 4:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 6, 5:24 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 4 hr |
| Jul 6, 5:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 6, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 47 min |
| Jul 6, 5:57 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jul 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 60 min |
| Jul 6, 6:43 PM EDT | Special Marine Warning | PHI | 44 min | |
| Jul 6, 6:56 PM EDT | Special Marine Warning | PHI | 47 min | |
| Jul 6, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 36 min |
| Jul 6, 7:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 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.