Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 15, 2019, 7:11 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey. It was in force for 49 min. 6 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
- Mar 15, 2019, 7:11 PM EDT (23:11 UTC)
- Expired
- Mar 15, 2019, 8:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 103 km from the middle of the area, began a volume at 23:15 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 |
|---|---|---|---|
| Mar 15, 7:40 PM EDT | HAIL 1 | Mendham, NJ | |
| Mar 15, 7:53 PM EDT | HAIL 0.75 | Mountain Lakes, NJ | |
| Mar 15, 7:55 PM EDT | HAIL 0.7 | Randolph, Nj, NJ | |
| Mar 15, 7:58 PM EDT | TSTM WND DMG | 1 Ene Denville, NJ | TREE REPORTED DOWN ON HOME ON PARK RD. SIGNIFICANT STRUCTURAL DAMAGE REPORTED. TIME ESTIMATED BY RADAR. |
| Mar 15, 8:03 PM EDT | TSTM WND GST 52 | Denville Twp, NJ | |
| Mar 15, 8:06 PM EDT | HAIL 0.25 | Montville, NJ |
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, 11.2 hours before the alert went out and 140 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
- 841 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 397 m²/s²
- 0-3 km storm-relative helicity
- 414 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
917
WUUS51 KPHI 152311
SVRPHI
NJC019-027-041-160000-
/O.NEW.KPHI.SV.W.0002.190315T2311Z-190316T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
711 PM EDT FRI MAR 15 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Morris County in northern New Jersey...
Northeastern Hunterdon County in northwestern New Jersey...
Southeastern Warren County in northwestern New Jersey...
* Until 800 PM EDT.
* At 711 PM EDT, a severe thunderstorm was located over Washington,
or 14 miles east of Easton, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Morristown, Dover, Madison, Hopatcong, Florham Park, East Hanover,
Lincoln Park, Kinnelon, Hackettstown, Boonton, Butler, Wharton,
Washington, Rockaway, Morris Plains, Mount Arlington, Mendham,
Mountain Lakes, Stanhope and Riverdale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to 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.
&&
LAT...LON 4091 7433 4086 7432 4076 7437 4074 7455
4076 7457 4072 7472 4068 7503 4077 7508
4092 7472 4090 7471 4092 7465 4095 7464
4103 7443 4100 7430 4097 7428 4092 7429
4090 7427
TIME...MOT...LOC 2311Z 247DEG 41KT 4074 7496
HAIL...0.88IN
WIND...60MPH
$$
Gorse2 follow-up statements
752
WWUS51 KPHI 152333
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
733 PM EDT FRI MAR 15 2019
NJC019-041-152343-
/O.CAN.KPHI.SV.W.0002.000000T0000Z-190316T0000Z/
Hunterdon NJ-Warren NJ-
733 PM EDT FRI MAR 15 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HUNTERDON AND
SOUTHEASTERN WARREN COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4091 7433 4086 7432 4076 7437 4074 7455
4076 7457 4072 7472 4075 7481 4088 7477
4092 7472 4090 7471 4092 7465 4095 7464
4103 7443 4100 7430 4097 7428 4092 7429
4090 7427
TIME...MOT...LOC 2333Z 248DEG 42KT 4083 7464
$$
NJC027-160000-
/O.CON.KPHI.SV.W.0002.000000T0000Z-190316T0000Z/
Morris NJ-
733 PM EDT FRI MAR 15 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR MORRIS COUNTY...
At 733 PM EDT, a severe thunderstorm was located over Succasunna, or
8 miles west of Morristown, moving east at 50 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Morristown, Dover, Madison, Hopatcong, Florham Park, East Hanover,
Lincoln Park, Kinnelon, Boonton, Butler, Wharton, Rockaway, Morris
Plains, Mount Arlington, Mendham, Mountain Lakes, Stanhope,
Riverdale, Netcong and Chester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to 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.
&&
LAT...LON 4091 7433 4086 7432 4076 7437 4074 7455
4076 7457 4072 7472 4075 7481 4088 7477
4092 7472 4090 7471 4092 7465 4095 7464
4103 7443 4100 7430 4097 7428 4092 7429
4090 7427
TIME...MOT...LOC 2333Z 248DEG 42KT 4083 7464
HAIL...0.88IN
WIND...60MPH
$$
Gorse104
WWUS51 KPHI 152347
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
747 PM EDT FRI MAR 15 2019
NJC027-160000-
/O.CON.KPHI.SV.W.0002.000000T0000Z-190316T0000Z/
Morris NJ-
747 PM EDT FRI MAR 15 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN MORRIS COUNTY...
At 746 PM EDT, a severe thunderstorm was located over Mountain Lakes,
or near Morristown, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Morristown, Dover, Madison, Florham Park, East Hanover, Lincoln Park,
Kinnelon, Boonton, Butler, Rockaway, Morris Plains, Mountain Lakes,
Riverdale, Victory Gardens, Parsippany, Pequannock Township, Lake
Telemark, Bernardsville, White Meadow Lake and Hanover Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to hail and damaging winds, frequent cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4091 7433 4086 7432 4076 7437 4074 7455
4076 7457 4097 7453 4103 7443 4100 7430
4097 7428 4092 7429 4090 7427
TIME...MOT...LOC 2346Z 250DEG 40KT 4087 7445
HAIL...0.88IN
WIND...60MPH
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 3:44 AM EDT | Small Craft Advisory | PHI | 40 hr | |
| Mar 15, 6:27 PM EDT | Special Weather Statement | PHI | Warren | 33 min |
| Mar 15, 6:33 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 117 min |
| Mar 15, 6:43 PM EDT | Special Weather Statement | PHI | Morris, Warren | 32 min |
| Mar 15, 6:53 PM EDT | Special Weather Statement | PHI | Warren | 37 min |
| Mar 15, 7:23 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 52 min |
| Mar 15, 7:45 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 45 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.