Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 102, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2023, 3:04 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 41 min. 9 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
- Jun 26, 2023, 3:04 PM EDT (19:04 UTC)
- Expired
- Jun 26, 2023, 3:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 97 km from the middle of the area, began a volume at 19:07 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 26, 3:13 PM EDT | HAIL 0.5 | 2 S Far Hills, NJ | Report from mPING: Half-inch (0.50 in.). |
| Jun 26, 3:13 PM EDT | HAIL 0.5 | 2 S Far Hills, NJ | Report from mPING: Half-inch (0.50 in.). |
| Jun 26, 3:26 PM EDT | TSTM WND DMG | Far Hills, NJ | Report of a tree downed blocking lanes in Far Hills, NJ. Time estimated via radar. |
| Jun 26, 3:26 PM EDT | TSTM WND DMG | Far Hills, NJ | Report of a tree downed blocking lanes in Far Hills, NJ. Time estimated via radar. |
| Jun 26, 3:29 PM EDT | TORNADO | Bernardsville, NJ | An EF-1 tornado began in northern Somerset County near Bernardsville along the NJ Transit Line just to the southwest of the intersection of Minebrook Rd and Old Quarry Rd. There it dropped numerous trees onto the NJ Transit Line and snapped the trunk of around |
| Jun 26, 3:43 PM EDT | TSTM WND DMG | Morris Twp, NJ | Reports of numerous trees downed near Morris Township and Morristown. 911 Call Center reported trees downed across a lot of the county as well. Time estimated via radar. |
| Jun 26, 3:43 PM EDT | TSTM WND DMG | Morris Twp, NJ | Reports of numerous trees downed near Morris Township and Morristown. 911 Call Center reported trees downed across a lot of the county as well. Time estimated via radar. |
| Jun 26, 3:52 PM EDT | TSTM WND DMG | Morris Plains, NJ | Reports of trees downed in Morris Plains, NJ. Time estimated via radar. |
| Jun 26, 3:52 PM EDT | TSTM WND DMG | Morris Plains, NJ | Reports of trees downed in Morris Plains, NJ. Time estimated via 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 26, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.1 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
- 369 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
046
WUUS51 KPHI 261904
SVRPHI
NJC027-035-261945-
/O.NEW.KPHI.SV.W.0102.230626T1904Z-230626T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
304 PM EDT Mon Jun 26 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Morris County in northern New Jersey...
Northeastern Somerset County in northern New Jersey...
* Until 345 PM EDT.
* At 303 PM EDT, a severe thunderstorm was located over Bridgewater,
or near Somerville, moving north at 30 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...
Morristown, Somerville, Bridgewater, Dover, Madison, Hopatcong,
Bound Brook, Manville, Boonton, Wharton, Rockaway, Morris Plains,
Mount Arlington, Mendham, Mountain Lakes, Peapack And Gladstone,
Chester, Victory Gardens, Far Hills and Martinsville.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 29 and 39.
Interstate 80 in New Jersey between mile markers 29 and 44.
Interstate 287 in New Jersey between mile markers 12 and 47.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4054 7454 4056 7470 4091 7468 4092 7465
4093 7465 4094 7464 4097 7464 4094 7436
TIME...MOT...LOC 1903Z 190DEG 24KT 4062 7461
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL2 follow-up statements
793
WWUS51 KPHI 261928
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
328 PM EDT Mon Jun 26 2023
NJC027-035-261945-
/O.CON.KPHI.SV.W.0102.000000T0000Z-230626T1945Z/
Morris NJ-Somerset NJ-
328 PM EDT Mon Jun 26 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR CENTRAL MORRIS AND NORTH CENTRAL SOMERSET COUNTIES...
At 328 PM EDT, a severe thunderstorm was located over Mendham, or
near Morristown, moving north at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Morristown, Dover, Madison, Hopatcong, Boonton, Wharton, Rockaway,
Morris Plains, Mount Arlington, Mendham, Mountain Lakes, Peapack And
Gladstone, Chester, Victory Gardens, Far Hills, Succasunna,
Succasunna-Kenvil, Parsippany, Basking Ridge and Lake Telemark.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 29 and 31.
Interstate 80 in New Jersey between mile markers 29 and 44.
Interstate 287 in New Jersey between mile markers 21 and 47.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4072 7446 4061 7470 4091 7468 4092 7465
4093 7465 4094 7464 4097 7464 4094 7436
TIME...MOT...LOC 1928Z 191DEG 22KT 4074 7457
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann067
WWUS51 KPHI 261943
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
343 PM EDT Mon Jun 26 2023
NJC027-035-261952-
/O.EXP.KPHI.SV.W.0102.000000T0000Z-230626T1945Z/
Morris NJ-Somerset NJ-
343 PM EDT Mon Jun 26 2023
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MORRIS AND NORTH
CENTRAL SOMERSET COUNTIES WILL EXPIRE AT 345 PM EDT...
The storm which prompted the warning has moved out of the 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 900 PM EDT for
northern and northwestern New Jersey.
Remember, a Severe Thunderstorm Warning still remains in effect for
central Morris and northern Somerset counties until 430 PM EDT.
LAT...LON 4072 7446 4061 7470 4091 7468 4092 7465
4093 7465 4094 7464 4097 7464 4094 7436
TIME...MOT...LOC 1942Z 190DEG 24KT 4082 7455
$$
MJLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:19 AM EDT | Small Craft Advisory | PHI | 63 hr | |
| Jun 26, 3:33 AM EDT | Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 23 hr |
| Jun 26, 9:18 AM EDT | Severe Thunderstorm Warning | PHI | Warren | 42 min |
| Jun 26, 9:47 AM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 43 min |
| Jun 26, 10:16 AM EDT | Special Weather Statement | PHI | Camden | 14 min |
| Jun 26, 10:43 AM EDT | Special Weather Statement | PHI | Sussex | 32 min |
| Jun 26, 11:18 AM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jun 26, 11:53 AM EDT | Special Weather Statement | PHI | Middlesex | 22 min |
| Jun 26, 11:57 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 18 min |
| Jun 26, 12:22 PM EDT | Special Weather Statement | PHI | Middlesex | 38 min |
| Jun 26, 2:02 PM EDT | Special Weather Statement | PHI | Hunterdon | 28 min |
| Jun 26, 2:32 PM EDT | Special Marine Warning | PHI | 43 min | |
| Jun 26, 2:40 PM EDT | Special Weather Statement | PHI | Hunterdon | 35 min |
| Jun 26, 2:49 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 41 min |
| Jun 26, 2:54 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 95 min |
| Jun 26, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 47 min |
| Jun 26, 3:01 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| Jun 26, 3:02 PM EDT | Tornado Warning | PHI | Warren | 28 min |
| Jun 26, 3:17 PM EDT | Tornado Warning | PHI | Hunterdon, Somerset | 28 min |
| Jun 26, 3:21 PM EDT | Special Weather Statement | PHI | Camden | 24 min |
| Jun 26, 3:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 32 min |
| Jun 26, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 50 min |
| Jun 26, 3:45 PM EDT | Special Weather Statement | PHI | Burlington | 30 min |
| Jun 26, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 42 min |
| Jun 26, 3:56 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 2 hr |
| Jun 26, 3:59 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 46 min |
| Jun 26, 4:14 PM EDT | Special Weather Statement | PHI | Mercer | 31 min |
| Jun 26, 4:16 PM EDT | Areal Flood Advisory | PHI | Morris, Somerset | 101 min |
| Jun 26, 4:24 PM EDT | Special Weather Statement | PHI | Burlington | 36 min |
| Jun 26, 4:50 PM EDT | Areal Flood Advisory | PHI | Warren | 73 min |
| Jun 26, 4:50 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jun 26, 5:01 PM EDT | Areal Flood Advisory | PHI | Morris | 56 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 25 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 39 min |
| Jun 26, 5:22 PM EDT | Special Marine Warning | PHI | 23 min | |
| Jun 26, 5:55 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 6 hr |
| Jun 26, 6:00 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Jun 26, 6:03 PM EDT | Flash Flood Warning | PHI | Warren | 6 hr |
| Jun 26, 6:08 PM EDT | Special Weather Statement | PHI | Hunterdon | 37 min |
| Jun 26, 6:15 PM EDT | Special Weather Statement | PHI | Salem | 30 min |
| Jun 26, 6:16 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 51 min |
| Jun 26, 6:55 PM EDT | Special Weather Statement | PHI | Hunterdon | 35 min |
| Jun 26, 7:07 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 5 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning 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.