Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 93, NWS Philadelphia/Mount Holly

June 26, 2023Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2023, 11:57 AM EDT for Sussex County, New Jersey. It was in force for 18 min. 2 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 26, 2023, 11:57 AM EDT (15:57 UTC)
Expired
Jun 26, 2023, 12:15 PM EDT
In force
18 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Sussex County, NJ

The radar

The Brookhaven radar (KOKX), 139 km from the middle of the area, began a volume at 15:56 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 26, 12:00 PM EDTTSTM WND DMGVernon, NJDowned tree and Downed wires on NJ 94 both directions CR 644/Vernon Crossings Rd (Vernon Twp) All lanes closed. Time estimated via radar.
Jun 26, 12:00 PM EDTTSTM WND DMGVernon, NJDowned tree and Downed wires on NJ 94 both directions CR 644/Vernon Crossings Rd (Vernon Twp) All lanes closed. Time estimated via 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, 4.0 hours before the alert went out and 139 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 2023-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 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 2023-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 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
369 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
807 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

585 
WUUS51 KPHI 261557
SVRPHI
NJC037-261615-
/O.NEW.KPHI.SV.W.0093.230626T1557Z-230626T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1157 AM EDT Mon Jun 26 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sussex County in northwestern New Jersey...

* Until 1215 PM EDT.

* At 1156 AM EDT, a severe thunderstorm was located over Vernon
  Valley, or near Warwick, moving northeast 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...
  Highland Lake and Vernon Valley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4126 7448 4120 7436 4116 7441 4113 7446
      4117 7455 4127 7451
TIME...MOT...LOC 1556Z 218DEG 17KT 4122 7445 

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

$$

AKL
2 follow-up statements
548 
WWUS51 KPHI 261607
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1207 PM EDT Mon Jun 26 2023

NJC037-261615-
/O.CON.KPHI.SV.W.0093.000000T0000Z-230626T1615Z/
Sussex NJ-
1207 PM EDT Mon Jun 26 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR EAST CENTRAL SUSSEX COUNTY...

At 1207 PM EDT, a severe thunderstorm was located near Vernon Valley,
or near Warwick, moving northeast 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...
Vernon Valley and Highland Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4121 7437 4117 7443 4120 7450 4123 7450
      4126 7449 4126 7448
TIME...MOT...LOC 1607Z 212DEG 19KT 4124 7443 

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

$$

AKL
448 
WWUS51 KPHI 261615
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1215 PM EDT Mon Jun 26 2023

NJC037-261625-
/O.EXP.KPHI.SV.W.0093.000000T0000Z-230626T1615Z/
Sussex NJ-
1215 PM EDT Mon Jun 26 2023

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SUSSEX COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

LAT...LON 4121 7437 4117 7443 4120 7450 4123 7450
      4126 7449 4126 7448
TIME...MOT...LOC 1615Z 218DEG 17KT 4126 7441 

$$

AKL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:19 AM EDTSmall Craft AdvisoryPHI63 hr
Jun 26, 3:33 AM EDTFlood WatchPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more23 hr
Jun 26, 9:18 AM EDTSevere Thunderstorm WarningPHIWarren42 min
Jun 26, 9:47 AM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren43 min
Jun 26, 10:16 AM EDTSpecial Weather StatementPHICamden14 min
Jun 26, 10:43 AM EDTSpecial Weather StatementPHISussex32 min
Jun 26, 11:18 AM EDTSpecial Weather StatementPHISussex27 min
Jun 26, 11:53 AM EDTSpecial Weather StatementPHIMiddlesex22 min
Jun 26, 12:22 PM EDTSpecial Weather StatementPHIMiddlesex38 min
Jun 26, 2:02 PM EDTSpecial Weather StatementPHIHunterdon28 min
Jun 26, 2:32 PM EDTSpecial Marine WarningPHI43 min
Jun 26, 2:40 PM EDTSpecial Weather StatementPHIHunterdon35 min
Jun 26, 2:49 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren41 min
Jun 26, 2:54 PM EDTAreal Flood AdvisoryPHIHunterdon95 min
Jun 26, 2:58 PM EDTSevere Thunderstorm WarningPHISussex, Warren47 min
Jun 26, 3:01 PM EDTSpecial Weather StatementPHICumberland29 min
Jun 26, 3:02 PM EDTTornado WarningPHIWarren28 min
Jun 26, 3:04 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset41 min
Jun 26, 3:17 PM EDTTornado WarningPHIHunterdon, Somerset28 min
Jun 26, 3:21 PM EDTSpecial Weather StatementPHICamden24 min
Jun 26, 3:28 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden32 min
Jun 26, 3:40 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex50 min
Jun 26, 3:45 PM EDTSpecial Weather StatementPHIBurlington30 min
Jun 26, 3:48 PM EDTSevere Thunderstorm WarningPHIBurlington42 min
Jun 26, 3:56 PM EDTAreal Flood AdvisoryPHISussex, Warren2 hr
Jun 26, 3:59 PM EDTSpecial Weather StatementPHISussex, Warren46 min
Jun 26, 4:14 PM EDTSpecial Weather StatementPHIMercer31 min
Jun 26, 4:16 PM EDTAreal Flood AdvisoryPHIMorris, Somerset101 min
Jun 26, 4:24 PM EDTSpecial Weather StatementPHIBurlington36 min
Jun 26, 4:50 PM EDTAreal Flood AdvisoryPHIWarren73 min
Jun 26, 4:50 PM EDTSpecial Marine WarningPHI40 min
Jun 26, 5:01 PM EDTAreal Flood AdvisoryPHIMorris56 min
Jun 26, 5:09 PM EDTSevere Thunderstorm WarningPHICumberland, Salem25 min
Jun 26, 5:09 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset39 min
Jun 26, 5:22 PM EDTSpecial Marine WarningPHI23 min
Jun 26, 5:55 PM EDTFlash Flood WarningPHIHunterdon, Morris, Somerset, Sussex6 hr
Jun 26, 6:00 PM EDTAreal Flood AdvisoryPHIWarren4 hr
Jun 26, 6:03 PM EDTFlash Flood WarningPHIWarren6 hr
Jun 26, 6:08 PM EDTSpecial Weather StatementPHIHunterdon37 min
Jun 26, 6:15 PM EDTSpecial Weather StatementPHISalem30 min
Jun 26, 6:16 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren51 min
Jun 26, 6:55 PM EDTSpecial Weather StatementPHIHunterdon35 min
Jun 26, 7:07 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren5 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2023Every 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.