Severe Thunderstorm Warning 293, NWS Philadelphia/Mount Holly

Issued

Sep 1, 2021, 6:59 PM EDT (22:59 UTC)

Expired

Sep 1, 2021, 8:00 PM EDT

In force

61 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ, Bucks County, PA

The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 22:58 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

484 
WUUS51 KPHI 012259
SVRPHI
NJC019-021-023-025-027-035-PAC017-020000-
/O.NEW.KPHI.SV.W.0293.210901T2259Z-210902T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
659 PM EDT Wed Sep 1 2021

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Hunterdon County in northwestern New Jersey...
  Southeastern Morris County in northern New Jersey...
  Mercer County in central New Jersey...
  Somerset County in northern New Jersey...
  North central Monmouth County in central New Jersey...
  Middlesex County in northern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...

* Until 800 PM EDT.

* At 659 PM EDT, severe thunderstorms were located along a line
  extending from White House Station to Lawrenceville, moving
  northeast at 65 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, Perth Amboy, Morristown, Somerville,
  Somerset, Edison, Old Bridge, East Brunswick, Bridgewater, South
  Brunswick, Sayreville, North Brunswick, Ewing, Carteret, Madison,
  Middlesex, Princeton, Florham Park and East Hanover.

This includes the following highways...
 New Jersey Turnpike between exits 9 and 13.
 Interstate 78 in New Jersey between mile markers 13 and 42.
 Interstate 80 in New Jersey between mile markers 45 and 51.
 Interstate 295 in New Jersey between mile markers 64 and 76.
 Interstate 287 in New Jersey between mile markers 0 and 40.
 Garden State Parkway between mile markers 117 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for central,
northern and northwestern New Jersey...and southeastern Pennsylvania.

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

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

A Tornado Watch remains in effect until 1000 PM EDT for central,
northern and northwestern New Jersey...and southeastern Pennsylvania.

&&

LAT...LON 4014 7496 4063 7500 4091 7427 4087 7433
      4074 7437 4067 7446 4065 7440 4060 7446
      4060 7421 4056 7421 4055 7425 4050 7426
      4050 7428 4047 7427 4044 7420 4046 7418
      4045 7413 4042 7412
TIME...MOT...LOC 2259Z 230DEG 57KT 4062 7475 4031 7472 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JEO

787 
WWUS51 KPHI 012350
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
750 PM EDT Wed Sep 1 2021

NJC019-021-023-025-027-035-PAC017-020000-
/O.CON.KPHI.SV.W.0293.000000T0000Z-210902T0000Z/
Hunterdon NJ-Morris NJ-Mercer NJ-Somerset NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-
750 PM EDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN HUNTERDON...SOUTHEASTERN MORRIS...MERCER...
SOMERSET...NORTH CENTRAL MONMOUTH...MIDDLESEX AND SOUTHEASTERN BUCKS
COUNTIES...

At 750 PM EDT, severe thunderstorms were located along a line
extending from Cloverhill to Palmyra, moving southwest at 50 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, Perth Amboy, Morristown, Somerville,
Somerset, Edison, Old Bridge, East Brunswick, Bridgewater, South
Brunswick, Sayreville, North Brunswick, Ewing, Carteret, Madison,
Middlesex, Princeton, Florham Park and East Hanover.

This includes the following highways...
 New Jersey Turnpike between exits 9 and 13.
 Interstate 78 in New Jersey between mile markers 21 and 42.
 Interstate 80 in New Jersey between mile markers 45 and 51.
 Interstate 295 in New Jersey between mile markers 64 and 76.
 Interstate 287 in New Jersey between mile markers 0 and 40.
 Garden State Parkway between mile markers 117 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for central,
northern and northwestern New Jersey...and southeastern Pennsylvania.

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

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

&&

LAT...LON 4014 7496 4045 7498 4070 7479 4091 7427
      4087 7433 4074 7437 4067 7446 4065 7440
      4060 7446 4060 7421 4056 7421 4055 7425
      4050 7426 4050 7428 4047 7427 4044 7420
      4046 7418 4045 7413 4042 7412
TIME...MOT...LOC 2350Z 032DEG 42KT 4049 7476 4000 7503 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

710 
WWUS51 KPHI 012354
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
754 PM EDT Wed Sep 1 2021

NJC019-021-023-025-027-035-PAC017-020004-
/O.EXP.KPHI.SV.W.0293.000000T0000Z-210902T0000Z/
Hunterdon NJ-Morris NJ-Mercer NJ-Somerset NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-
754 PM EDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON...
SOUTHEASTERN MORRIS...MERCER...SOMERSET...NORTH CENTRAL MONMOUTH...
MIDDLESEX AND SOUTHEASTERN BUCKS COUNTIES WILL EXPIRE AT 800 PM
EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM EDT for central,
northern and northwestern New Jersey...and southeastern Pennsylvania.

LAT...LON 4014 7496 4045 7498 4070 7479 4091 7427
      4087 7433 4074 7437 4067 7446 4065 7440
      4060 7446 4060 7421 4056 7421 4055 7425
      4050 7426 4050 7428 4047 7427 4044 7420
      4046 7418 4045 7413 4042 7412
TIME...MOT...LOC 2354Z 230DEG 57KT 4052 7471 4003 7498 

$$

JEO

Severe Thunderstorm Warnings in New Jersey, 2021Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021

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.