Severe Thunderstorm Warning 356, NWS Philadelphia/Mount Holly

Issued

Aug 18, 2019, 5:32 PM EDT (21:32 UTC)

Expired

Aug 18, 2019, 6:15 PM EDT

In force

43 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ

The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 21:34 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.

198 
WUUS51 KPHI 182132
SVRPHI
NJC019-023-027-035-182215-
/O.NEW.KPHI.SV.W.0356.190818T2132Z-190818T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
532 PM EDT Sun Aug 18 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  South central Morris County in northern New Jersey...
  East central Hunterdon County in northwestern New Jersey...
  Northern Somerset County in northern New Jersey...
  North central Middlesex County in northern New Jersey...

* Until 615 PM EDT.

* At 532 PM EDT, a severe thunderstorm was located over Bridgewater,
  or over Somerville, moving east at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Somerville, Bridgewater, Middlesex, Bound Brook, Manville, Mendham,
  Peapack And Gladstone, Far Hills, Martinsville, Millington, Society
  Hill, Basking Ridge, South Plainfield, North Plainfield,
  Bernardsville, Dunellen, Raritan, Watchung and South Bound Brook.

This includes the following highways...
 Interstate 287 in New Jersey between mile markers 5 and 33.
 Interstate 78 in New Jersey between mile markers 25 and 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large 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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4052 7441 4053 7471 4067 7478 4073 7468
      4078 7451 4071 7441 4067 7446 4066 7445
      4066 7441 4065 7440 4063 7442 4060 7446
      4060 7440
TIME...MOT...LOC 2132Z 275DEG 7KT 4058 7466 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

948 
WWUS51 KPHI 182159
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
559 PM EDT Sun Aug 18 2019

NJC023-182209-
/O.CAN.KPHI.SV.W.0356.000000T0000Z-190818T2215Z/
Middlesex NJ-
559 PM EDT Sun Aug 18 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MIDDLESEX COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4072 7442 4062 7476 4067 7478 4073 7468
      4078 7451
TIME...MOT...LOC 2159Z 242DEG 10KT 4068 7473 

$$

NJC019-027-035-182215-
/O.CON.KPHI.SV.W.0356.000000T0000Z-190818T2215Z/
Morris NJ-Hunterdon NJ-Somerset NJ-
559 PM EDT Sun Aug 18 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTH CENTRAL MORRIS...EAST CENTRAL HUNTERDON AND NORTHWESTERN
SOMERSET COUNTIES...

At 559 PM EDT, a severe thunderstorm was located near White House
Station, or 9 miles northwest of Somerville, moving northeast at 10
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Mendham, Peapack And Gladstone, Far Hills, Basking Ridge and
Bernardsville.

This includes the following highways...
 Interstate 287 in New Jersey between mile markers 22 and 33.
 Interstate 78 in New Jersey between mile markers 25 and 28.

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 4072 7442 4062 7476 4067 7478 4073 7468
      4078 7451
TIME...MOT...LOC 2159Z 242DEG 10KT 4068 7473 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

276 
WWUS51 KPHI 182213
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
613 PM EDT Sun Aug 18 2019

NJC019-027-035-182222-
/O.EXP.KPHI.SV.W.0356.000000T0000Z-190818T2215Z/
Morris NJ-Hunterdon NJ-Somerset NJ-
613 PM EDT Sun Aug 18 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MORRIS...EAST
CENTRAL HUNTERDON AND NORTHWESTERN SOMERSET COUNTIES WILL EXPIRE AT
615 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will 
be allowed to expire.  However small hail, gusty winds, and heavy 
rain are still possible with this thunderstorm.

LAT...LON 4072 7442 4062 7476 4067 7478 4073 7468
      4078 7451
TIME...MOT...LOC 2212Z 275DEG 7KT 4068 7470 

$$

Staarmann

Severe Thunderstorm Warnings in New Jersey, 2019Every severe thunderstorm warning in 2019

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.