Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 221, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 11, 2019, 6:58 PM EDT for 4 counties in New Jersey. It was in force for 62 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
- Jul 11, 2019, 6:58 PM EDT (22:58 UTC)
- Expired
- Jul 11, 2019, 8:00 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 54 km from the middle of the area, began a volume at 22:57 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, 11.0 hours before the alert went out and 149 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
- 93 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 911 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
371
WUUS51 KPHI 112258
SVRPHI
NJC019-021-023-035-120000-
/O.NEW.KPHI.SV.W.0221.190711T2258Z-190712T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
658 PM EDT Thu Jul 11 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Hunterdon County in northwestern New Jersey...
Northern Mercer County in central New Jersey...
Southern Somerset County in northern New Jersey...
Middlesex County in northern New Jersey...
* Until 800 PM EDT.
* At 658 PM EDT, a severe thunderstorm was located over Hopewell, or
10 miles north of Trenton, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Trenton, New Brunswick, Somerville, Somerset, Edison, Old Bridge,
East Brunswick, South Brunswick, North Brunswick, Ewing, Middlesex,
Princeton, Bound Brook, Manville, Jamesburg, Cranbury, Pennington,
Yardley, Hopewell and Rocky Hill.
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 4035 7432 4023 7482 4025 7484 4045 7493
4063 7442 4060 7446 4060 7438 4037 7429
TIME...MOT...LOC 2258Z 250DEG 20KT 4038 7477
HAIL...<.75IN
WIND...60MPH
$$
Iovino1 follow-up statement
160
WWUS51 KPHI 112343
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
743 PM EDT Thu Jul 11 2019
NJC019-021-112352-
/O.CAN.KPHI.SV.W.0221.000000T0000Z-190712T0000Z/
Hunterdon NJ-Mercer NJ-
743 PM EDT Thu Jul 11 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON AND
NORTHERN MERCER COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4030 7455 4045 7463 4060 7440 4060 7438
4037 7429 4035 7432
TIME...MOT...LOC 2342Z 257DEG 20KT 4037 7441
$$
NJC023-035-120000-
/O.CON.KPHI.SV.W.0221.000000T0000Z-190712T0000Z/
Somerset NJ-Middlesex NJ-
743 PM EDT Thu Jul 11 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN SOMERSET AND CENTRAL MIDDLESEX COUNTIES...
At 742 PM EDT, a severe thunderstorm was located over Jamesburg, or 7
miles south of New Brunswick, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
New Brunswick, Somerset, Edison, Old Bridge, East Brunswick, South
Brunswick, North Brunswick, Jamesburg, Cranbury, Princeton Meadows,
Dayton, North Brunswick Township, Whittingham, Kendall Park, Society
Hill, Brownville, Morganville, South Plainfield, South River and
Highland Park.
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 4030 7455 4045 7463 4060 7440 4060 7438
4037 7429 4035 7432
TIME...MOT...LOC 2342Z 257DEG 20KT 4037 7441
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:44 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 18 hr |
| Jul 11, 1:23 PM EDT | Special Weather Statement | PHI | Salem | 52 min |
| Jul 11, 1:44 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 61 min |
| Jul 11, 1:47 PM EDT | Special Marine Warning | PHI | 28 min | |
| Jul 11, 2:41 PM EDT | Special Weather Statement | PHI | Gloucester | 64 min |
| Jul 11, 3:13 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Jul 11, 3:33 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 11, 5:33 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset | 4 hr |
| Jul 11, 6:04 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 11, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 61 min |
| Jul 11, 6:15 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 4 hr |
| Jul 11, 6:17 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Somerset | 4 hr |
| Jul 11, 7:22 PM EDT | Tornado Warning | PHI | Burlington | 23 min |
| Jul 11, 7:27 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 7 hr |
| Jul 11, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 61 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2019Every severe thunderstorm warning in 2019
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.