Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 23, NWS Philadelphia/Mount Holly

June 14, 2024Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2024, 4:14 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 46 min. 7 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 14, 2024, 4:14 PM EDT (20:14 UTC)
Expired
Jun 14, 2024, 5:00 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 20:14 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

TimeReportWhereRemark
Jun 14, 4:37 PM EDTTSTM WND DMG1 Ssw Stroud Twp, PASeveral trees and wires down around Hamilton Township, PA. Time estimated from radar.
Jun 14, 4:42 PM EDTTSTM WND DMG1 Nne Smithfield Twp, PASeveral trees and wires down in Marshalls Creek, PA. Time estimated from radar.
Jun 14, 4:52 PM EDTTSTM WND DMG1 W Upper Mount Bethel, PASeveral trees down on wires in Upper Mount Bethel Township, PA. Time estimated from radar.
Jun 14, 4:52 PM EDTTSTM WND DMGFredon Twp, NJState Police reports trees down in Fredon, NJ. Time estimated from radar.
Jun 14, 4:57 PM EDTTSTM WND DMG1 W Frelinghuysen Twp, NJTrees down around Frelinghuysen Township. Time estimated from radar.
Jun 14, 5:00 PM EDTHAIL 0.251 Ssw Marksboro, NJ
Jun 14, 5:10 PM EDTTSTM WND DMGHampton Twp, NJState Police reports trees down across Hampton Township. 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, 8.2 hours before the alert went out and 172 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2024-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2024-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
61 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

937 
WUUS51 KPHI 142014
SVRPHI
NJC037-041-PAC089-095-142100-
/O.NEW.KPHI.SV.W.0023.240614T2014Z-240614T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
414 PM EDT Fri Jun 14 2024

The National Weather Service in Mount Holly NJ has issued a

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

* Until 500 PM EDT.

* At 414 PM EDT, severe thunderstorms were located along a line
  extending from near Skytop to near Jonas, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Newton, Hopatcong, East Stroudsburg, Hackettstown, Blairstown,
  Bangor, Mount Arlington, Franklin, Stanhope, Pen Argyl, Hamburg,
  Netcong, Ogdensburg, Sussex, Hope, East Bangor, Branchville,
  Andover, Stormville, and Werry Lake.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 298 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 23.
 Interstate 380 in Pennsylvania near mile marker 0.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4120 7436 4097 7464 4092 7465 4090 7471
      4092 7473 4091 7476 4085 7481 4088 7552
      4092 7555 4125 7520 4125 7513 4115 7515
      4114 7509 4108 7503 4116 7490 4129 7483
      4131 7458
TIME...MOT...LOC 2014Z 267DEG 41KT 4121 7520 4095 7549 

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

$$

Hoeflich
3 follow-up statements
697 
WWUS51 KPHI 142025
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
425 PM EDT Fri Jun 14 2024

NJC037-041-PAC089-095-142100-
/O.CON.KPHI.SV.W.0023.000000T0000Z-240614T2100Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
425 PM EDT Fri Jun 14 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR SUSSEX...NORTHERN WARREN...CENTRAL MONROE AND NORTHEASTERN
NORTHAMPTON COUNTIES...

At 425 PM EDT, severe thunderstorms were located along a line
extending from near Skytop to Gilbert, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...ASOS indicated. At 4:14 PM, Mount Pocono Regional Airport 
         reported a gust of 58 MPH.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Newton, East Stroudsburg, Blairstown, Bangor, Pen Argyl, Sussex,
Hope, East Bangor, Branchville, Andover, Stormville, Henryville,
Brodheadsville, Werry Lake, Gilbert, Greendell, Millbrook, Delaware
Water Gap, Tannersville, and Mountainhome.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 299 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 21.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4127 7451 4085 7485 4088 7552 4089 7552
      4116 7529 4125 7520 4125 7513 4115 7515
      4114 7509 4108 7503 4116 7490 4129 7483
      4131 7458
TIME...MOT...LOC 2025Z 266DEG 33KT 4124 7517 4092 7543 

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

$$

Hoeflich
352 
WWUS51 KPHI 142048
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
448 PM EDT Fri Jun 14 2024

NJC037-041-PAC089-095-142100-
/O.CON.KPHI.SV.W.0023.000000T0000Z-240614T2100Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
448 PM EDT Fri Jun 14 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR WESTERN SUSSEX...NORTHERN WARREN...SOUTHEASTERN MONROE AND
NORTHEASTERN NORTHAMPTON COUNTIES...

At 447 PM EDT, severe thunderstorms were located along a line
extending from near Milford to Bangor, 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...
Newton, East Stroudsburg, Blairstown, Bangor, Pen Argyl, Sussex,
Hope, East Bangor, Branchville, Werry Lake, Greendell, Millbrook,
Delaware Water Gap, Pellettown, Crandon Lakes, Hainesville, Great
Meadows-Vienna, Flatbrookville, Allamuchy-Panther Valley, and Five
Points.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 310 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4129 7454 4085 7487 4087 7530 4114 7510
      4114 7509 4108 7503 4116 7490 4129 7483
      4131 7458
TIME...MOT...LOC 2047Z 264DEG 36KT 4134 7487 4087 7521 

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

$$

Hoeflich
936 
WWUS51 KPHI 142052
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
452 PM EDT Fri Jun 14 2024

NJC037-041-PAC089-095-142102-
/O.EXP.KPHI.SV.W.0023.000000T0000Z-240614T2100Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
452 PM EDT Fri Jun 14 2024

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SUSSEX...NORTHERN
WARREN...SOUTHEASTERN MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES
WILL EXPIRE AT 500 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 are still possible with these thunderstorms.

LAT...LON 4129 7454 4085 7487 4087 7530 4114 7510
      4114 7509 4108 7503 4116 7490 4129 7483
      4131 7458
TIME...MOT...LOC 2052Z 267DEG 41KT 4134 7483 4087 7517 

$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 4:40 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren50 min
Jun 14, 5:02 PM EDTSevere Thunderstorm WarningPHISussex43 min
Jun 14, 5:18 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren42 min
Jun 14, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset, Warren52 min
Jun 14, 5:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Hunterdon, Mercer38 min
Jun 14, 5:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean39 min
Jun 14, 5:56 PM EDTSpecial Marine WarningPHI64 min
Jun 14, 5:59 PM EDTFlash Flood WarningPHIBurlington4 hr
Jun 14, 6:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Somerset21 min
Jun 14, 6:18 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Somerset27 min
Jun 14, 6:24 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean51 min
Jun 14, 6:29 PM EDTSpecial Marine WarningPHI2 hr
Jun 14, 6:34 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland41 min
Jun 14, 6:40 PM EDTSpecial Marine WarningPHI65 min
Jun 14, 6:44 PM EDTFlash Flood WarningPHIBurlington, Mercer3 hr
Jun 14, 6:47 PM EDTSpecial Marine WarningPHI58 min
Jun 14, 7:03 PM EDTSpecial Marine WarningPHI87 min
Jun 14, 4:37 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh38 min
Jun 14, 5:07 PM EDTFlash Flood WarningPHIChester4 hr
Jun 14, 5:17 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery, Philadelphia43 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2024Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024

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.