Severe Thunderstorm Warning 334, NWS Philadelphia/Mount Holly

Issued

Sep 8, 2023, 3:36 PM EDT (19:36 UTC)

Expired

Sep 8, 2023, 4:06 PM EDT

In force

30 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

County Morris County, NJ

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 19:38 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.

072 
WUUS51 KPHI 081936
SVRPHI
NJC027-082030-
/O.NEW.KPHI.SV.W.0334.230908T1936Z-230908T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
336 PM EDT Fri Sep 8 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Eastern Morris County in northern New Jersey...

* Until 430 PM EDT.

* At 336 PM EDT, a severe thunderstorm was located over Florham Park,
  or near Morristown, moving northeast at 15 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...
  Morristown, Madison, Florham Park, East Hanover, Lincoln Park,
  Kinnelon, Chatham, Boonton, Butler, Morris Plains, Mountain Lakes,
  Riverdale, Parsippany, Pequannock Township and Hanover Township.

This includes the following highways...
 Interstate 80 in New Jersey between mile markers 42 and 48.
 Interstate 287 in New Jersey between mile markers 34 and 54.

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.

&&

LAT...LON 4091 7434 4088 7434 4086 7432 4082 7434
      4079 7437 4076 7438 4075 7436 4069 7443
      4071 7451 4103 7442 4100 7430 4097 7428
      4092 7429 4090 7427
TIME...MOT...LOC 1936Z 203DEG 13KT 4079 7439 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

585 
WWUS51 KPHI 081951
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
351 PM EDT Fri Sep 8 2023

NJC027-082030-
/O.CON.KPHI.SV.W.0334.000000T0000Z-230908T2030Z/
Morris NJ-
351 PM EDT Fri Sep 8 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN MORRIS COUNTY...

At 351 PM EDT, a severe thunderstorm was located over Fairfield, or
near Caldwell, moving north at 20 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...
East Hanover, Lincoln Park, Kinnelon, Boonton, Butler, Riverdale,
Parsippany, Pequannock Township and Hanover Township.

This includes the following highways...
 Interstate 80 in New Jersey between mile markers 44 and 48.
 Interstate 287 in New Jersey between mile markers 40 and 54.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

&&

LAT...LON 4080 7436 4082 7444 4102 7439 4100 7430
      4097 7428 4092 7429 4090 7427 4091 7434
      4088 7434 4086 7432 4082 7434
TIME...MOT...LOC 1951Z 201DEG 19KT 4090 7433 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

447 
WWUS51 KPHI 082006
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
406 PM EDT Fri Sep 8 2023

NJC027-082016-
/O.CAN.KPHI.SV.W.0334.000000T0000Z-230908T2030Z/
Morris NJ-
406 PM EDT Fri Sep 8 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORRIS COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northern New Jersey.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4080 7436 4082 7444 4102 7439 4100 7430
      4097 7428 4092 7429 4090 7427 4091 7434
      4088 7434 4086 7432 4082 7434
TIME...MOT...LOC 2001Z 203DEG 13KT 4095 7430 

$$

Staarmann

Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning in 2023

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.