Alert archive / New Jersey / Special Weather Statements in 2023
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 26, 2023, 9:21 PM EDT for Mercer County, New Jersey. It was in force for 24 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
- Jun 26, 2023, 9:21 PM EDT (01:21 UTC)
- Expired
- Jun 26, 2023, 9:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.50 in
- Wind
- 40
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 01:25 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 00:00Z, 1.4 hours before the alert went out and 173 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
- 482 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted.
270
WWUS81 KPHI 270121
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
921 PM EDT Mon Jun 26 2023
NJZ010-012-015-PAZ106-270145-
Somerset NJ-Middlesex NJ-Mercer NJ-Lower Bucks PA-
921 PM EDT Mon Jun 26 2023
...A strong thunderstorm will impact portions of Mercer, southwestern
Somerset, southwestern Middlesex and east central Bucks Counties
through 945 PM EDT...
At 921 PM EDT, Doppler radar was tracking a strong thunderstorm over
Yardley, or near Trenton, moving northeast at 20 mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Trenton, Ewing, Princeton, Hightstown, Cranbury, Pennington, Yardley,
Hopewell, Tullytown, Rocky Hill, Washington Crossing, Skillman,
Princeton Meadows, Windsor, Kingston, Plainsboro Center, Belle Mead,
Woodside, Edinburg and White Horse.
This includes the following highways...
New Jersey Turnpike near exit 8A.
Interstate 195 in New Jersey between mile markers 0 and 5.
Interstate 295 in New Jersey between mile markers 60 and 76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southern, central, northern and northwestern New Jersey...and
southeastern Pennsylvania.
&&
LAT...LON 4018 7469 4018 7471 4017 7471 4013 7484
4029 7497 4035 7487 4035 7486 4036 7486
4049 7464 4025 7446
TIME...MOT...LOC 0121Z 239DEG 18KT 4025 7483
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 48 min |
| Jun 26, 8:56 PM EDT | Areal Flood Advisory | PHI | Sussex | 38 min |
| Jun 26, 8:56 PM EDT | Special Weather Statement | PHI | Warren | 34 min |
| Jun 26, 9:30 PM EDT | Flash Flood Warning | PHI | Warren | 3 hr |
| Jun 26, 9:31 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 44 min |
| Jun 26, 9:34 PM EDT | Flash Flood Warning | PHI | Sussex | 2 hr |
| Jun 26, 9:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jun 26, 9:51 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 54 min |
| Jun 26, 10:07 PM EDT | Special Weather Statement | PHI | Middlesex, Morris | 23 min |
| Jun 26, 10:26 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 16 min |
| Jun 26, 10:33 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 42 min |
| Jun 26, 10:41 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 84 min |
| Jun 26, 10:54 PM EDT | Areal Flood Advisory | PHI | Camden, Gloucester, Salem | 3 hr |
| Jun 26, 11:07 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more | 53 min |
| Jun 26, 11:27 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Somerset | 3 hr |
| Jun 26, 11:35 PM EDT | Flash Flood Warning | PHI | Mercer | 6 hr |
| Jun 26, 11:42 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 33 min |
| Jun 27, 12:00 AM EDT | Areal Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 7 hr |
| Jun 27, 12:12 AM EDT | Special Weather Statement | PHI | Monmouth | 33 min |
| Jun 27, 12:16 AM EDT | Special Marine Warning | PHI | 44 min | |
| Jun 27, 1:26 AM EDT | Special Marine Warning | PHI | 49 min | |
| Jun 27, 2:00 AM EDT | Special Marine Warning | PHI | 45 min | |
| Jun 27, 3:02 AM EDT | Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 46 min |
| Jun 27, 3:48 AM EDT | Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more | 17 hr |
| Jun 27, 4:04 AM EDT | River Flood Warning | PHI | Morris | 22 hr |
| Jun 27, 11:16 AM EDT | Areal Flood Advisory | PHI | Morris, Sussex | 3 hr |
| Jun 27, 11:42 AM EDT | Areal Flood Advisory | PHI | Monmouth | 2 hr |
| Jun 27, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 40 min |
| Jun 27, 3:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 27, 3:32 PM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 3 hr |
| Jun 27, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 52 min |
| Jun 27, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 22 min |
| Jun 27, 3:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 27, 4:21 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 39 min |
| Jun 27, 4:24 PM EDT | Areal Flood Advisory | PHI | Warren | 3 hr |
| Jun 27, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 42 min |
| Jun 27, 4:36 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 26 min |
| Jun 27, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 51 min |
| Jun 27, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Warren | 44 min |
| Jun 27, 5:05 PM EDT | Special Marine Warning | PHI | 25 min | |
| Jun 27, 5:17 PM EDT | Flash Flood Warning | PHI | Salem | 4 hr |
| Jun 27, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 38 min |
| Jun 27, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 32 min |
| Jun 27, 5:40 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 35 min |
| Jun 27, 5:45 PM EDT | Special Weather Statement | PHI | Warren | 45 min |
| Jun 27, 5:49 PM EDT | Special Weather Statement | PHI | Camden | 26 min |
| Jun 27, 5:52 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Jun 27, 5:52 PM EDT | Special Weather Statement | PHI | Burlington | 38 min |
| Jun 27, 5:57 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Mercer, Salem | 3 hr |
| Jun 27, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 25 min |
| Jun 27, 6:12 PM EDT | Special Weather Statement | PHI | Middlesex, Morris, Somerset | 33 min |
| Jun 27, 6:15 PM EDT | Special Weather Statement | PHI | Warren | 45 min |
| Jun 27, 6:35 PM EDT | Special Weather Statement | PHI | Burlington | 25 min |
| Jun 27, 6:40 PM EDT | Special Marine Warning | PHI | 36 min | |
| Jun 27, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 44 min |
| Jun 27, 6:49 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 27, 6:52 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 3 hr |
| Jun 27, 7:03 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jun 27, 7:30 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Jun 27, 7:56 PM EDT | Special Weather Statement | PHI | Atlantic | 34 min |
| Jun 26, 8:27 PM EDT | Special Weather Statement | PHI | Chester | 33 min |
| Jun 26, 8:33 PM EDT | Special Weather Statement | PHI | Philadelphia | 27 min |
| Jun 26, 8:36 PM EDT | Special Weather Statement | PHI | Bucks | 24 min |
| Jun 26, 8:40 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 31 min |
| Jun 26, 9:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 42 min |
| Jun 26, 9:47 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 43 min |
| Jun 26, 9:58 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 47 min |
| Jun 27, 12:51 AM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 4 hr |
| Jun 27, 1:23 AM EDT | Special Weather Statement | PHI | Montgomery | 37 min |
| Jun 27, 2:23 AM EDT | River Flood Warning | PHI | Chester | 6 hr |
| Jun 27, 2:29 AM EDT | Special Weather Statement | PHI | Delaware | 31 min |
| Jun 27, 3:01 AM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 29 min |
| Jun 27, 3:26 AM EDT | River Flood Warning | PHI | Delaware | 4 hr |
| Jun 27, 3:54 AM EDT | River Flood Warning | PHI | Chester, Delaware | 5 hr |
| Jun 27, 6:14 AM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 3 hr |
| Jun 27, 6:16 AM EDT | Areal Flood Warning | PHI | Chester, Delaware | 3 hr |
| Jun 27, 10:08 AM EDT | River Flood Warning | PHI | Chester, Delaware | 109 min |
| Jun 27, 12:45 PM EDT | Special Weather Statement | PHI | Berks | 30 min |
| Jun 27, 2:13 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 47 min |
| Jun 27, 2:18 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 22 min |
Nearby
Special Weather Statements in New Jersey, 2023Every special weather statement 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.