Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 360, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 11, 2023, 6:10 PM EDT for Monmouth County, New Jersey. It was in force for 35 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
- Sep 11, 2023, 6:10 PM EDT (22:10 UTC)
- Expired
- Sep 11, 2023, 6:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 22:13 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 114 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
- 726 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
743
WUUS51 KPHI 112210
SVRPHI
NJC025-112245-
/O.NEW.KPHI.SV.W.0360.230911T2210Z-230911T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
610 PM EDT Mon Sep 11 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Monmouth County in central New Jersey...
* Until 645 PM EDT.
* At 610 PM EDT, a severe thunderstorm was located over Keansburg, or
near Huguenot, moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Long Branch, Sandy Hook, Middletown, Red Bank, Keansburg, Matawan,
Highlands, Navesink, Keyport, Rumson, Little Silver, Oceanport,
North Middletown and Strathmore.
This includes Garden State Parkway between mile markers 118 and 119.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4031 7397 4042 7423 4044 7421 4044 7420
4046 7418 4045 7416 4045 7413 4041 7399
4044 7399 4048 7402 4047 7400 4043 7397
TIME...MOT...LOC 2210Z 299DEG 24KT 4048 7413
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PO1 follow-up statement
739
WWUS51 KPHI 112237
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
637 PM EDT Mon Sep 11 2023
NJC025-112245-
/O.CON.KPHI.SV.W.0360.000000T0000Z-230911T2245Z/
Monmouth NJ-
637 PM EDT Mon Sep 11 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTHEASTERN MONMOUTH COUNTY...
At 637 PM EDT, a severe thunderstorm was located near Highlands, or
near Sandy Hook, moving southeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Long Branch, Sandy Hook, Middletown, Red Bank, Keansburg, Highlands,
Navesink, Rumson, Little Silver, Oceanport and North Middletown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4031 7397 4038 7412 4040 7413 4045 7413
4042 7401 4041 7399 4041 7398 4043 7398
4048 7402 4047 7400 4043 7397
TIME...MOT...LOC 2237Z 294DEG 34KT 4038 7392
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 9:03 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 3 hr |
| Sep 10, 9:37 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Sep 10, 10:00 PM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 3 hr |
| Sep 10, 10:31 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 3 hr |
| Sep 10, 10:47 PM EDT | Areal Flood Advisory | PHI | Monmouth | 2 hr |
| Sep 11, 12:03 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 3 hr |
| Sep 11, 3:04 PM EDT | Special Marine Warning | PHI | 41 min | |
| Sep 11, 4:26 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington | 82 min |
| Sep 11, 4:30 PM EDT | Special Weather Statement | PHI | Essex | 30 min |
| Sep 11, 4:43 PM EDT | Areal Flood Advisory | PHI | Morris | 108 min |
| Sep 11, 5:43 PM EDT | Flash Flood Warning | PHI | Middlesex | 3 hr |
| Sep 11, 6:21 PM EDT | Special Marine Warning | PHI | 54 min | |
| Sep 11, 6:47 PM EDT | Special Weather Statement | PHI | Monmouth | 58 min |
| Sep 11, 7:01 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 6 hr |
| Sep 11, 7:12 PM EDT | Special Marine Warning | PHI | 63 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.