Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 197, NWS Philadelphia/Mount Holly

July 14, 2023Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2023, 6:52 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 53 min. 4 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: Jul 14, 2023, 6:52 PM EDT (22:52 UTC)
Expired: Jul 14, 2023, 7:45 PM EDT
In force: 53 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 127 km from the middle of the area, began a volume at 22:52 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
Jul 14, 6:52 PM EDT	TSTM WND DMG	2 Ese Smithfield Twp, PA	Corrects previous tstm wnd dmg report from 3 WNW Goulsboro State Park. River Road closed due to downed trees. Time estimated from radar.
Jul 14, 6:55 PM EDT	HAIL 0.25	Newton, NJ
Jul 14, 7:10 PM EDT	TSTM WND DMG	3 Se East Bangor, PA	Multiple trees down in the area of 611 in Bangor and Washington Township. Video also shared on social media of severe winds. Time estimated from radar.
Jul 14, 7:14 PM EDT	TSTM WND DMG	2 Wsw Lockwood, NJ	Multiple wires blown down. 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, 10.9 hours before the alert went out and 174 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 210 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

136 
WUUS51 KPHI 142252
SVRPHI
NJC037-041-PAC089-095-142345-
/O.NEW.KPHI.SV.W.0197.230714T2252Z-230714T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
652 PM EDT Fri Jul 14 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Warren County in northwestern New Jersey...
  Southeastern Monroe County in northeastern Pennsylvania...
  Northeastern Northampton County in eastern Pennsylvania...

* Until 745 PM EDT.

* At 651 PM EDT, severe thunderstorms were located along a line
  extending from near Echo Lake to Bangor, moving east at 20 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Newton, East Stroudsburg, Hackettstown, Blairstown, Bangor,
  Franklin, Pen Argyl, Hamburg, Belvidere, Oxford, Hope, East Bangor,
  Branchville, Andover, Werry Lake, Greendell, Millbrook, Delaware
  Water Gap, Crandon Lakes and Great Meadows-Vienna.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 312 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4117 7455 4094 7473 4081 7490 4082 7523
      4088 7529 4112 7506 4108 7503 4109 7500
      4113 7494
TIME...MOT...LOC 2251Z 258DEG 15KT 4102 7505 4088 7522 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

3 follow-up statements

445 
WWUS51 KPHI 142300
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
700 PM EDT Fri Jul 14 2023

NJC037-041-PAC089-095-142345-
/O.CON.KPHI.SV.W.0197.000000T0000Z-230714T2345Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
700 PM EDT Fri Jul 14 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN SUSSEX...WARREN...SOUTHEASTERN MONROE AND
NORTHEASTERN NORTHAMPTON COUNTIES...

At 659 PM EDT, severe thunderstorms were located along a line 
extending from near Echo Lake to East Bangor, moving east at 20 mph. 
This storm has a history of producing wind damage in East 
Stroudsburg.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Law enforcement.

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

Locations impacted include...
Newton, East Stroudsburg, Hackettstown, Blairstown, Bangor, Franklin,
Pen Argyl, Hamburg, Belvidere, Oxford, Hope, East Bangor,
Branchville, Andover, Werry Lake, Greendell, Millbrook, Delaware
Water Gap, Crandon Lakes and Great Meadows-Vienna.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 313 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4117 7455 4094 7473 4081 7490 4082 7523
      4088 7529 4110 7505 4108 7503 4109 7500
      4113 7494
TIME...MOT...LOC 2259Z 258DEG 15KT 4102 7502 4088 7516 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Staarmann

872 
WWUS51 KPHI 142323
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
723 PM EDT Fri Jul 14 2023

PAC089-142333-
/O.CAN.KPHI.SV.W.0197.000000T0000Z-230714T2345Z/
Monroe PA-
723 PM EDT Fri Jul 14 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4117 7455 4094 7473 4081 7490 4082 7523
      4087 7522 4108 7494 4113 7489
TIME...MOT...LOC 2323Z 258DEG 16KT 4107 7480 4086 7508 

$$

NJC037-041-PAC095-142345-
/O.CON.KPHI.SV.W.0197.000000T0000Z-230714T2345Z/
Sussex NJ-Warren NJ-Northampton PA-
723 PM EDT Fri Jul 14 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN SUSSEX...NORTHERN WARREN AND NORTHEASTERN
NORTHAMPTON COUNTIES...

At 723 PM EDT, severe thunderstorms were located along a line
extending from near Newton to near Belvidere, moving east at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Law enforcement.

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

Locations impacted include...
Newton, Hackettstown, Blairstown, Bangor, Franklin, Hamburg,
Belvidere, Oxford, Hope, East Bangor, Branchville, Andover, Great
Meadows-Vienna, Allamuchy-Panther Valley, Greendell, Five Points,
Columbia, Crandon Lakes, Lake Mohawk and Portland.

This includes Interstate 80 in New Jersey between mile markers 3 and
23.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4117 7455 4094 7473 4081 7490 4082 7523
      4087 7522 4108 7494 4113 7489
TIME...MOT...LOC 2323Z 258DEG 16KT 4107 7480 4086 7508 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Staarmann

290 
WWUS51 KPHI 142343
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
743 PM EDT Fri Jul 14 2023

NJC037-041-PAC095-142353-
/O.EXP.KPHI.SV.W.0197.000000T0000Z-230714T2345Z/
Sussex NJ-Warren NJ-Northampton PA-
743 PM EDT Fri Jul 14 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SUSSEX...NORTHERN
WARREN AND NORTHEASTERN NORTHAMPTON COUNTIES WILL EXPIRE AT 745 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.  However gusty 
winds and heavy rain are still possible with these thunderstorms. A 
Flash Flood Warning is in effect for portions of this area.

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

LAT...LON 4117 7455 4094 7473 4081 7490 4082 7523
      4087 7522 4108 7494 4113 7489
TIME...MOT...LOC 2343Z 258DEG 15KT 4109 7470 4088 7498 

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 13, 8:39 PM EDT	Coastal Flood Advisory	PHI	Ocean	5 hr
Jul 13, 8:53 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	67 min
Jul 13, 9:57 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	48 min
Jul 13, 10:49 PM EDT	Special Weather Statement	PHI	Sussex	26 min
Jul 14, 1:09 AM EDT	Special Weather Statement	PHI	Sussex	21 min
Jul 14, 1:52 AM EDT	Areal Flood Advisory	PHI	Sussex	3 hr
Jul 14, 5:54 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Somerset	51 min
Jul 14, 6:02 AM EDT	Special Weather Statement	PHI	Mercer	28 min
Jul 14, 6:20 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Morris, Somerset	40 min
Jul 14, 6:33 AM EDT	Special Weather Statement	PHI	Warren	27 min
Jul 14, 6:35 AM EDT	Special Weather Statement	PHI	Middlesex	25 min
Jul 14, 6:40 AM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Somerset	50 min
Jul 14, 6:55 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren	50 min
Jul 14, 6:59 AM EDT	Special Weather Statement	PHI	Warren	31 min
Jul 14, 7:22 AM EDT	Special Weather Statement	PHI	Sussex	23 min
Jul 14, 7:27 AM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	18 min
Jul 14, 7:41 AM EDT	Special Weather Statement	PHI	Sussex	34 min
Jul 14, 4:21 PM EDT	Special Weather Statement	PHI	Somerset	39 min
Jul 14, 4:54 PM EDT	Special Weather Statement	PHI	Somerset	51 min
Jul 14, 6:06 PM EDT	Special Weather Statement	PHI	Morris	24 min
Jul 14, 6:07 PM EDT	Special Weather Statement	PHI	Warren	38 min
Jul 14, 6:20 PM EDT	Special Weather Statement	PHI	Sussex	25 min
Jul 14, 6:22 PM EDT	Severe Thunderstorm Warning	PHI	Warren	38 min
Jul 14, 6:26 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	49 min
Jul 14, 6:46 PM EDT	Special Weather Statement	PHI	Sussex	29 min
Jul 14, 7:03 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	41 min
Jul 14, 7:08 PM EDT	Areal Flood Advisory	PHI	Sussex, Warren	39 min
Jul 14, 7:20 PM EDT	Special Weather Statement	PHI	Warren	25 min
Jul 14, 7:40 PM EDT	Flash Flood Warning	PHI	Morris, Sussex, Warren	6 hr
Jul 14, 7:46 PM EDT	Areal Flood Advisory	PHI	Sussex	2 hr
Jul 13, 8:13 PM EDT	Special Weather Statement	PHI	Monroe	32 min
Jul 13, 8:20 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	25 min
Jul 13, 9:28 PM EDT	Special Weather Statement	PHI	Monroe	32 min
Jul 13, 10:01 PM EDT	Special Weather Statement	PHI	Monroe	44 min
Jul 13, 10:48 PM EDT	Special Weather Statement	PHI	Monroe	27 min
Jul 14, 5:30 AM EDT	Special Weather Statement	PHI	Philadelphia	30 min
Jul 14, 3:43 PM EDT	Special Weather Statement	PHI	Montgomery	32 min
Jul 14, 4:40 PM EDT	Special Weather Statement	PHI	Carbon	35 min
Jul 14, 5:10 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	50 min
Jul 14, 5:33 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	29 min
Jul 14, 5:35 PM EDT	Special Weather Statement	PHI	Monroe	25 min
Jul 14, 5:54 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	51 min
Jul 14, 6:02 PM EDT	Flash Flood Warning	PHI	Carbon, Monroe	6 hr
Jul 14, 7:16 PM EDT	Special Weather Statement	PHI	Lehigh	29 min

Nearby

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

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.