Alert archive / New Jersey / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 37, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 18, 2018, 7:30 PM EDT for 5 counties in New Jersey; Bucks County, Lehigh County, Northampton County, Pennsylvania. It was in force for 60 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
- Jun 18, 2018, 7:30 PM EDT (23:30 UTC)
- Expired
- Jun 18, 2018, 8:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Bucks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 23:32 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 |
|---|---|---|---|
| Jun 18, 7:33 PM EDT | TSTM WND DMG | 1 S Hackettstown, NJ | TREE ONTO WIRES AND ALSO WIRES SPARKING ON MITCHELL ROAD. TIME ESIMATED FROM RADAR. |
| Jun 18, 7:40 PM EDT | TSTM WND DMG | 1 Ene Broadway, NJ | TREE DOWN ACROSS THE ROAD NEAR 2093 ROUTE 57 IN FRANKLIN TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Jun 18, 8:00 PM EDT | TSTM WND DMG | 1 E Morristown, NJ | *** 1 FATAL, 1 INJ *** UPDATED 6/27/2018: 1 PERSON DIED AND 1 OTHER PERSON CRITICALLY INJURED WHEN A TREE FELL ONTO A MOVING CAR TRAVELING ON FORD ROAD. PERSON DIED ON JUNE 22, 2018. |
| Jun 18, 8:00 PM EDT | TSTM WND DMG | 1 E Morristown, NJ | *** 2 INJ *** TWO PEOPLE CRITICALLY INJURED AND TRAPPED WHEN A TREE FELL ONTO A MOVING CAR TRAVELING ON FORD ROAD |
| Jun 18, 8:00 PM EDT | TSTM WND DMG | Morristown, NJ | TREES, UTILITY POLES AND WIRES DOWN. |
| Jun 18, 8:07 PM EDT | TSTM WND DMG | Kingwood Twp, NJ | 12+ INCHES IN DIAMETER OAK TREE SNAPPED OFF APPROXIMATELY 10 FEET ABOVE THE GROUND. 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, 11.5 hours before the alert went out and 135 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
- 1413 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
735
WUUS51 KPHI 182330
SVRPHI
NJC019-027-035-037-041-PAC017-077-095-190030-
/O.NEW.KPHI.SV.W.0037.180618T2330Z-180619T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
730 PM EDT MON JUN 18 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Morris County in northern New Jersey...
Hunterdon County in northwestern New Jersey...
Southeastern Sussex County in northwestern New Jersey...
Central Warren County in northwestern New Jersey...
Somerset County in northern New Jersey...
East central Lehigh County in eastern Pennsylvania...
North central Bucks County in southeastern Pennsylvania...
Southeastern Northampton County in eastern Pennsylvania...
* Until 830 PM EDT.
* At 729 PM EDT, severe thunderstorms were located along a line
extending from near Ogdensburg in New Jersey to near
Allentown in Pennsylvania, moving east 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...
Allentown, Easton, Morristown, Somerville, Bethlehem, Bridgewater,
Dover, Madison, Hopatcong, Forks, Middlesex, Florham Park, East
Hanover, Lincoln Park, Bound Brook, Manville, Kinnelon,
Hackettstown, Chatham and Boonton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to 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 4075 7436
4067 7446 4066 7445 4066 7440 4063 7442
4042 7472 4056 7549 4112 7458 4112 7447
4109 7450 4104 7450 4105 7445 4102 7443
4103 7442 4100 7430 4097 7428 4090 7427
TIME...MOT...LOC 2329Z 274DEG 39KT 4107 7453 4060 7530
HAIL...<.75IN
WIND...60MPH
$$
Iovino1 follow-up statement
767
WWUS51 KPHI 190015
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
815 PM EDT MON JUN 18 2018
NJC037-041-PAC077-095-190023-
/O.CAN.KPHI.SV.W.0037.000000T0000Z-180619T0030Z/
Sussex NJ-Warren NJ-Lehigh PA-Northampton PA-
815 PM EDT MON JUN 18 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SUSSEX...CENTRAL
WARREN...EAST CENTRAL LEHIGH AND SOUTHEASTERN NORTHAMPTON COUNTIES IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 4091 7433 4086 7432 4076 7437 4075 7436
4067 7446 4066 7445 4066 7440 4063 7442
4042 7472 4051 7522 4063 7499 4079 7459
TIME...MOT...LOC 0013Z 274DEG 39KT 4104 7393 4057 7470
$$
NJC019-027-035-PAC017-190030-
/O.CON.KPHI.SV.W.0037.000000T0000Z-180619T0030Z/
Morris NJ-Hunterdon NJ-Somerset NJ-Bucks PA-
815 PM EDT MON JUN 18 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHEASTERN MORRIS...HUNTERDON...SOMERSET AND NORTH CENTRAL
BUCKS COUNTIES...
At 813 PM EDT, severe thunderstorms were located along a line
extending from near Morristown to near Flemington, moving east 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...
Morristown, Somerville, Bridgewater, Madison, Middlesex, Florham
Park, East Hanover, Bound Brook, Manville, Chatham, Morris Plains,
Mendham, Flemington, High Bridge, Clinton, Peapack And Gladstone,
Frenchtown, Lebanon, Milford and Far Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4091 7433 4086 7432 4076 7437 4075 7436
4067 7446 4066 7445 4066 7440 4063 7442
4042 7472 4051 7522 4063 7499 4079 7459
TIME...MOT...LOC 0013Z 274DEG 39KT 4104 7393 4057 7470
HAIL...<.75IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 6:37 PM EDT | Special Weather Statement | PHI | Warren | 53 min |
| Jun 18, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 57 min |
| Jun 18, 7:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 64 min |
| Jun 18, 5:46 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 44 min |
| Jun 18, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 50 min |
| Jun 18, 6:56 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 64 min |
| Jun 18, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 62 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2018Severe Thunderstorm Warnings in Pennsylvania, 2018Every severe thunderstorm warning in 2018
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.