Alert archive / New Jersey / Tornado Warnings in 2023
Tornado Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jul 16, 2023, 5:07 AM EDT for Hunterdon County, Morris County, Somerset County, New Jersey. It was in force for 38 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 16, 2023, 5:07 AM EDT (09:07 UTC)
- Expired
- Jul 16, 2023, 5:45 AM EDT
- In force
- 38 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 82 km from the middle of the area, began a volume at 09:11 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 16, 5:24 AM EDT | TSTM WND DMG | Long Valley, NJ | Trees down in Long Valley Township, PA. 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 00:00Z, 9.1 hours before the alert went out and 164 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
- 1061 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 624 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.0
The text
As transmitted.
512
WFUS51 KPHI 160907
TORPHI
NJC019-027-035-160945-
/O.NEW.KPHI.TO.W.0024.230716T0907Z-230716T0945Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
507 AM EDT Sun Jul 16 2023
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
Northeastern Hunterdon County in northwestern New Jersey...
Southwestern Morris County in northern New Jersey...
Northwestern Somerset County in northern New Jersey...
* Until 545 AM EDT.
* At 507 AM EDT, a severe thunderstorm capable of producing a tornado
was located near White House Station, or 11 miles west of
Somerville, moving northeast 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.
* Locations impacted include...
Peapack And Gladstone, Lebanon, Far Hills, White House Station and
Long Valley.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 20 and 30.
Interstate 287 in New Jersey between mile markers 22 and 25.
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.
&&
LAT...LON 4053 7484 4058 7490 4080 7476 4068 7459
TIME...MOT...LOC 0907Z 218DEG 22KT 4059 7482
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
SFJ3 follow-up statements
116
WWUS51 KPHI 160918
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
518 AM EDT Sun Jul 16 2023
NJC019-027-035-160945-
/O.CON.KPHI.TO.W.0024.000000T0000Z-230716T0945Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
518 AM EDT Sun Jul 16 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM EDT FOR
NORTHEASTERN HUNTERDON...SOUTHWESTERN MORRIS AND NORTHWESTERN
SOMERSET COUNTIES...
At 518 AM EDT, a severe thunderstorm capable of producing a tornado
was located over White House Station, or 9 miles northwest of
Somerville, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Peapack And Gladstone, Lebanon, Far Hills, White House Station and
Long Valley.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 22 and 29.
Interstate 287 in New Jersey between mile markers 23 and 25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4059 7479 4062 7484 4080 7476 4068 7459
TIME...MOT...LOC 0918Z 218DEG 22KT 4064 7476
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
SFJ931
WWUS51 KPHI 160929
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
529 AM EDT Sun Jul 16 2023
NJC019-027-035-160945-
/O.CON.KPHI.TO.W.0024.000000T0000Z-230716T0945Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
529 AM EDT Sun Jul 16 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM EDT FOR EASTERN
HUNTERDON...SOUTHWESTERN MORRIS AND NORTHWESTERN SOMERSET COUNTIES...
At 529 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Peapack And Gladstone, or 11 miles northwest of
Somerville, moving northeast at 35 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.
Locations impacted include...
Peapack And Gladstone, Far Hills and Long Valley.
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.
&&
LAT...LON 4065 7473 4067 7477 4079 7475 4070 7462
TIME...MOT...LOC 0929Z 213DEG 31KT 4071 7470
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
SFJ630
WWUS51 KPHI 160936
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
536 AM EDT Sun Jul 16 2023
NJC019-027-035-160945-
/O.EXP.KPHI.TO.W.0024.000000T0000Z-230716T0945Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
536 AM EDT Sun Jul 16 2023
...THE TORNADO WARNING FOR EASTERN HUNTERDON...SOUTHWESTERN MORRIS
AND NORTHWESTERN SOMERSET COUNTIES WILL EXPIRE AT 545 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 4065 7473 4067 7477 4079 7475 4070 7462
TIME...MOT...LOC 0935Z 218DEG 22KT 4074 7467
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 2:22 AM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 16, 2:47 AM EDT | Special Weather Statement | PHI | Gloucester, Salem | 28 min |
| Jul 16, 3:08 AM EDT | Special Marine Warning | PHI | 42 min | |
| Jul 16, 3:40 AM EDT | Flash Flood Warning | PHI | Sussex, Warren | 7 hr |
| Jul 16, 4:05 AM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 6 hr |
| Jul 16, 4:14 AM EDT | Special Weather Statement | PHI | Hunterdon | 31 min |
| Jul 16, 4:38 AM EDT | Tornado Warning | PHI | Hunterdon, Somerset | 37 min |
| Jul 16, 4:50 AM EDT | Special Weather Statement | PHI | Burlington, Ocean | 25 min |
| Jul 16, 5:13 AM EDT | Flash Flood Warning | PHI | Sussex, Warren | 4 hr |
| Jul 16, 5:16 AM EDT | Special Weather Statement | PHI | Ocean | 29 min |
| Jul 16, 5:26 AM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 16, 5:31 AM EDT | Tornado Warning | PHI | Morris, Somerset, Sussex | 29 min |
| Jul 16, 5:44 AM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 16, 5:45 AM EDT | Special Weather Statement | PHI | Monmouth | 30 min |
| Jul 16, 5:58 AM EDT | Tornado Warning | PHI | Morris | 32 min |
| Jul 16, 7:52 AM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 16, 8:40 AM EDT | Special Marine Warning | PHI | 47 min | |
| Jul 16, 10:54 AM EDT | Areal Flood Warning | PHI | Warren | 5 hr |
| Jul 16, 11:08 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Jul 16, 11:36 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 3 hr |
| Jul 16, 12:22 PM EDT | Areal Flood Advisory | PHI | Mercer | 3 hr |
| Jul 16, 12:26 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 3 hr |
| Jul 16, 1:47 PM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 80 min |
| Jul 16, 1:50 PM EDT | Special Marine Warning | PHI | 85 min | |
| Jul 16, 2:20 PM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 72 min |
| Jul 16, 2:42 PM EDT | Special Weather Statement | PHI | Cape May | 48 min |
| Jul 16, 3:09 PM EDT | Special Marine Warning | PHI | 51 min | |
| Jul 16, 6:17 PM EDT | Areal Flood Warning | PHI | Warren | 10 hr |
| Jul 16, 6:19 PM EDT | Areal Flood Warning | PHI | Warren | 10 hr |
Nearby
Tornado Warnings in New Jersey, 2023Every tornado warning in 2023Tornadoes in 2023
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.