Alert archive / Pennsylvania / Tornado Warnings in 2023

Tornado Warning 14, NWS Philadelphia/Mount Holly

June 26, 2023Northampton County, Pennsylvania; Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 26, 2023, 3:02 PM EDT for Northampton County, Pennsylvania; Warren County, New Jersey. It was in force for 28 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
Jun 26, 2023, 3:02 PM EDT (19:02 UTC)
Expired
Jun 26, 2023, 3:30 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 123 km from the middle of the area, began a volume at 19:01 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, 3:04 PM EDTTSTM WND DMGBelvidere, NJReports of trees downed in Belvidere, NJ. Time estimated via radar.
Jun 26, 3:04 PM EDTTSTM WND DMGBelvidere, NJReports of trees downed in Belvidere, NJ. Time estimated via radar.
Jun 26, 3:11 PM EDTTSTM WND DMGUpper Mount Bethel Twp, PAReports of a wide area of tree damage near Upper Mount Bethel Township. Time estimated via radar.
Jun 26, 3:11 PM EDTTSTM WND DMGUpper Mount Bethel Twp, PAReports of a wide area of tree damage near Upper Mount Bethel Township. Time estimated via radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPC11 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 188 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.

009 
WFUS51 KPHI 261902
TORPHI
NJC041-PAC095-261930-
/O.NEW.KPHI.TO.W.0014.230626T1902Z-230626T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
302 PM EDT Mon Jun 26 2023

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  West central Warren County in northwestern New Jersey...
  Northeastern Northampton County in eastern Pennsylvania...

* Until 330 PM EDT.
    
* At 301 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Belvidere, or 10 miles northeast of Easton, moving
  north at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Belvidere, Hope, Roxburg, Columbia, Delaware Water Gap and
  Portland.

This includes Interstate 80 in New Jersey between mile markers 0 and
12.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4094 7493 4075 7511 4077 7519 4095 7517
      4095 7515 4097 7512 4097 7514 4098 7514
      4099 7512
TIME...MOT...LOC 1901Z 197DEG 22KT 4082 7513 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

AKL
2 follow-up statements
820 
WWUS51 KPHI 261915
SVSPHI

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

NJC041-PAC095-261930-
/O.CON.KPHI.TO.W.0014.000000T0000Z-230626T1930Z/
Warren NJ-Northampton PA-
315 PM EDT Mon Jun 26 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CENTRAL
WARREN AND NORTHEASTERN NORTHAMPTON COUNTIES...
    
At 314 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Columbia, or 16 miles northeast of Easton, moving
northeast at 30 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Belvidere, Hope, Delaware Water Gap, Columbia and Portland. 

This includes Interstate 80 in New Jersey between mile markers 0 and
12.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4094 7493 4080 7507 4082 7517 4093 7515
      4097 7512 4097 7514 4098 7514 4099 7512
TIME...MOT...LOC 1914Z 211DEG 26KT 4089 7505 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

AKL
087 
WWUS51 KPHI 261928 RRB
SVSPHI

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

NJC041-PAC095-261936-
/O.EXP.KPHI.TO.W.0014.000000T0000Z-230626T1930Z/
Warren NJ-Northampton PA-
328 PM EDT Mon Jun 26 2023

...THE TORNADO WARNING FOR CENTRAL WARREN AND NORTHEASTERN
NORTHAMPTON COUNTIES WILL EXPIRE AT 330 PM EDT...
                
The storm which prompted the warning has weakened, and no longer 
appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northwestern New Jersey...and eastern and northeastern Pennsylvania.

Remember, a Severe Thunderstorm Warning still remains in effect for 
Northwestern Warren and Northeastern Northampton Counties until 345 
PM EDT.

LAT...LON 4094 7493 4080 7507 4082 7517 4093 7515
      4097 7512 4097 7514 4098 7514 4099 7512
TIME...MOT...LOC 1926Z 197DEG 22KT 4095 7503 

$$

AKL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:33 AM EDTFlood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more23 hr
Jun 26, 8:41 AM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton49 min
Jun 26, 9:18 AM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton42 min
Jun 26, 9:47 AM EDTSevere Thunderstorm WarningPHIMonroe, Northampton43 min
Jun 26, 1:13 PM EDTSevere Thunderstorm WarningPHIBerks47 min
Jun 26, 1:35 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh40 min
Jun 26, 2:04 PM EDTSevere Thunderstorm WarningPHIBerks41 min
Jun 26, 2:06 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton39 min
Jun 26, 2:12 PM EDTTornado WarningPHIBerks, Lehigh21 min
Jun 26, 2:21 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh54 min
Jun 26, 2:23 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh107 min
Jun 26, 2:31 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton44 min
Jun 26, 2:32 PM EDTFlash Flood WarningPHIBerks, Lehigh67 min
Jun 26, 2:40 PM EDTSpecial Weather StatementPHIBucks35 min
Jun 26, 2:58 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton47 min
Jun 26, 3:03 PM EDTAreal Flood AdvisoryPHIMonroe104 min
Jun 26, 3:25 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton41 min
Jun 26, 3:56 PM EDTAreal Flood AdvisoryPHIMonroe, Northampton2 hr
Jun 26, 4:04 PM EDTSpecial Weather StatementPHINorthampton41 min
Jun 26, 4:50 PM EDTAreal Flood AdvisoryPHILehigh, Northampton73 min
Jun 26, 5:47 PM EDTSpecial Weather StatementPHILebanon28 min
Jun 26, 5:59 PM EDTSevere Thunderstorm WarningPHIChester, Delaware24 min
Jun 26, 6:00 PM EDTAreal Flood AdvisoryPHIMonroe, Northampton4 hr
Jun 26, 6:03 PM EDTFlash Flood WarningPHILehigh, Northampton6 hr
Jun 26, 6:16 PM EDTSpecial Weather StatementPHIDelaware29 min
Jun 26, 6:26 PM EDTSpecial Weather StatementPHIChester34 min
Jun 26, 6:37 PM EDTFlash Flood WarningPHIChester, Delaware2 hr
Jun 26, 6:50 PM EDTSpecial Weather StatementPHIMontgomery25 min
Jun 26, 6:51 PM EDTSpecial Weather StatementPHINorthampton24 min
Jun 26, 7:13 PM EDTSpecial Weather StatementPHIBucks32 min
Jun 26, 7:26 PM EDTSpecial Weather StatementPHIMontgomery34 min
Jun 26, 7:44 PM EDTSpecial Weather StatementPHIDelaware, Montgomery31 min
Jun 26, 7:59 PM EDTSpecial Weather StatementPHILehigh31 min
Jun 26, 3:19 AM EDTSmall Craft AdvisoryPHI63 hr
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, 11:57 AM EDTSevere Thunderstorm WarningPHISussex18 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, 2:49 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren41 min
Jun 26, 2:54 PM EDTAreal Flood AdvisoryPHIHunterdon95 min
Jun 26, 3:01 PM EDTSpecial Weather StatementPHICumberland29 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, 3:59 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 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, 6:08 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

Tornado Warnings in Pennsylvania, 2023Tornado Warnings in New Jersey, 2023Every tornado warning in 2023Tornadoes 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.