Alert archive / New Jersey / Tornado Warnings in 2018
Tornado Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Oct 2, 2018, 8:38 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 2, 2018, 8:38 PM EDT (00:38 UTC)
- Expired
- Oct 2, 2018, 9:00 PM EDT
- In force
- 22 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
Counties Morris County, NJ, Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 00:42 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 2, 4:57 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 155 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
- 610 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.5
The text
As transmitted.
812
WFUS51 KPHI 030038
TORPHI
NJC027-037-030100-
/O.NEW.KPHI.TO.W.0006.181003T0038Z-181003T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
838 PM EDT TUE OCT 2 2018
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
North central Morris County in northern New Jersey...
South central Sussex County in northwestern New Jersey...
* Until 900 PM EDT.
* At 837 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hopatcong, or near Newton, moving east at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Hopatcong around 840 PM EDT.
Mount Arlington around 845 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4092 7478 4101 7476 4105 7456 4090 7464
TIME...MOT...LOC 0037Z 277DEG 21KT 4097 7469
TORNADO...RADAR INDICATED
HAIL...<.75
$$
jjm1 follow-up statement
686
WWUS51 KPHI 030053
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
853 PM EDT TUE OCT 2 2018
NJC027-037-030102-
/O.EXP.KPHI.TO.W.0006.000000T0000Z-181003T0100Z/
Morris NJ-Sussex NJ-
853 PM EDT TUE OCT 2 2018
...THE TORNADO WARNING FOR NORTH CENTRAL MORRIS AND SOUTH CENTRAL
SUSSEX COUNTIES WILL EXPIRE AT 900 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A tornado watch remains in effect until midnight EDT for northern and
northwestern New Jersey.
LAT...LON 4092 7478 4101 7476 4105 7456 4090 7464
TIME...MOT...LOC 0052Z 277DEG 21KT 4096 7459
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 8:29 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Oct 2, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 49 min |
| Oct 2, 9:05 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Oct 2, 9:51 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Somerset | 114 min |
| Oct 2, 10:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 37 min |
| Oct 2, 11:24 PM EDT | Special Weather Statement | PHI | Burlington, Monmouth, Ocean | 51 min |
| Oct 2, 11:32 PM EDT | Special Marine Warning | PHI | 58 min | |
| Oct 3, 12:00 AM EDT | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 60 min |
| Oct 3, 12:25 AM EDT | Special Marine Warning | PHI | 65 min | |
| Oct 3, 3:16 AM EDT | Small Craft Advisory for Hazardous Seas | PHI | 12 hr |
Nearby
Tornado Warnings in New Jersey, 2018Every tornado warning in 2018Tornadoes in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.