Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 190, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 2, 2019, 7:03 PM EDT for 4 counties in New Jersey. It was in force for 42 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 2, 2019, 7:03 PM EDT (23:03 UTC)
- Expired
- Jul 2, 2019, 7:45 PM EDT
- In force
- 42 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), 46 km from the middle of the area, began a volume at 23:05 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 2, 7:26 PM EDT | TSTM WND DMG | 1 W North Princeton, NJ | WIRES DOWN NEAR PRINCETON. 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 12:00Z, 11.1 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1499 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308
WUUS51 KPHI 022303
SVRPHI
NJC019-021-023-035-022345-
/O.NEW.KPHI.SV.W.0190.190702T2303Z-190702T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
703 PM EDT Tue Jul 2 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Hunterdon County in northwestern New Jersey...
Mercer County in central New Jersey...
Southwestern Somerset County in northern New Jersey...
Southwestern Middlesex County in northern New Jersey...
* Until 745 PM EDT.
* At 702 PM EDT, a severe thunderstorm was located over Flemington,
or 13 miles southwest of Somerville, 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...
Trenton, Ewing, Princeton, Hightstown, Flemington, Cranbury,
Pennington, Hopewell, Rocky Hill, Skillman, Flagtown, Windsor,
Princeton Meadows, Kingston, Plainsboro Center, Belle Mead,
Clearbrook Park, Edinburg, White Horse and Sergeantsville.
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 4017 7467 4019 7470 4015 7472 4018 7475
4022 7477 4023 7479 4055 7503 4065 7478
4028 7443
TIME...MOT...LOC 2302Z 320DEG 26KT 4049 7485
HAIL...<.75IN
WIND...60MPH
$$
Meola2 follow-up statements
062
WWUS51 KPHI 022330
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
730 PM EDT Tue Jul 2 2019
NJC019-021-023-035-022345-
/O.CON.KPHI.SV.W.0190.000000T0000Z-190702T2345Z/
Hunterdon NJ-Mercer NJ-Somerset NJ-Middlesex NJ-
730 PM EDT Tue Jul 2 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHEASTERN HUNTERDON...MERCER...SOUTHWESTERN SOMERSET AND
SOUTHWESTERN MIDDLESEX COUNTIES...
At 730 PM EDT, a severe thunderstorm was located over Plainsboro
Center, or 9 miles northeast of Trenton, moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Trenton, Ewing, Princeton, Hightstown, Cranbury, Pennington,
Hopewell, Rocky Hill, Skillman, Windsor, Princeton Meadows, Kingston,
Plainsboro Center, Belle Mead, Clearbrook Park, Edinburg, White
Horse, Twin Rivers, Kendall Park and Mercerville-Hamilton Square.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4017 7467 4019 7470 4015 7472 4018 7475
4022 7477 4023 7479 4038 7491 4050 7464
4028 7443
TIME...MOT...LOC 2330Z 324DEG 28KT 4032 7464
HAIL...<.75IN
WIND...60MPH
$$
Meola604
WWUS51 KPHI 022347
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
747 PM EDT Tue Jul 2 2019
NJC019-021-023-035-022357-
/O.EXP.KPHI.SV.W.0190.000000T0000Z-190702T2345Z/
Hunterdon NJ-Mercer NJ-Somerset NJ-Middlesex NJ-
747 PM EDT Tue Jul 2 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON...
MERCER...SOUTHWESTERN SOMERSET AND SOUTHWESTERN MIDDLESEX COUNTIES
HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Mercer, Somerset, and Middlesex counties.
LAT...LON 4017 7467 4019 7470 4015 7472 4018 7475
4022 7477 4023 7479 4038 7491 4050 7464
4028 7443
TIME...MOT...LOC 2347Z 320DEG 26KT 4023 7454
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 5:27 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jul 2, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 24 min |
| Jul 2, 5:54 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 2, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 48 min |
| Jul 2, 7:46 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean | 18 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.