Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 101, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2023, 2:58 PM EDT for Monroe County, Northampton County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 47 min. 9 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, 2:58 PM EDT (18:58 UTC)
- Expired
- Jun 26, 2023, 3:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 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 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 2:58 PM EDT | TORNADO | 2 Ene Martins Creek, PA | NWS Survey found several wheat fields to the west of Martins Creek Belvidere Highway showing convergent damage patterns along a narrow path. In the absence of additional damage indicators, NWS surveyors used wheat crop damage to confirm EF0 damage using the DI |
| Jun 26, 3:01 PM EDT | TSTM WND DMG | Lower Mount Bethel Twp, PA | Tree damage in Lower Mount Bethel Township. Time estimated via radar. |
| Jun 26, 3:01 PM EDT | TSTM WND DMG | Lower Mount Bethel Twp, PA | Tree damage in Lower Mount Bethel Township. Time estimated via radar. |
| Jun 26, 3:04 PM EDT | TSTM WND DMG | Belvidere, NJ | Reports of trees downed in Belvidere, NJ. Time estimated via radar. |
| Jun 26, 3:04 PM EDT | TSTM WND DMG | Belvidere, NJ | Reports of trees downed in Belvidere, NJ. Time estimated via radar. |
| Jun 26, 3:11 PM EDT | TSTM WND DMG | Upper Mount Bethel Twp, PA | Reports of a wide area of tree damage near Upper Mount Bethel Township. Time estimated via radar. |
| Jun 26, 3:11 PM EDT | TSTM WND DMG | Upper Mount Bethel Twp, PA | Reports of a wide area of tree damage near Upper Mount Bethel Township. Time estimated via radar. |
| Jun 26, 3:32 PM EDT | TSTM WND DMG | Blairstown Twp, NJ | Report of trees down on wires near Blairstown, NJ. Time estimated via radar. |
| Jun 26, 3:32 PM EDT | TSTM WND DMG | Blairstown Twp, NJ | Report of trees down on wires near Blairstown, NJ. 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 26, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 184 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.
- 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
The text
As transmitted.
396
WUUS51 KPHI 261858
SVRPHI
NJC037-041-PAC089-095-261945-
/O.NEW.KPHI.SV.W.0101.230626T1858Z-230626T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
258 PM EDT Mon Jun 26 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
West central Sussex County in northwestern New Jersey...
Northwestern Warren County in northwestern New Jersey...
East central Monroe County in northeastern Pennsylvania...
Northeastern Northampton County in eastern Pennsylvania...
* Until 345 PM EDT.
* At 258 PM EDT, a severe thunderstorm was located over Roxburg, or
10 miles northeast of Easton, moving northeast at 30 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...
Blairstown, Bangor, Belvidere, Harmony, Oxford, Hope, East Bangor,
Flatbrookville, Werry Lake, Millbrook, Delaware Water Gap, Roxburg,
Columbia, Echo Lake, Five Points, Stockertown, Portland, Shawnee,
Marshalls Creek and Hidden Lake.
This includes the following highways...
Interstate 80 in Pennsylvania near mile marker 314.
Interstate 80 in New Jersey between mile markers 0 and 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4113 7506 4108 7503 4109 7500 4112 7497
4107 7481 4071 7510 4076 7526 4115 7509
TIME...MOT...LOC 1858Z 205DEG 27KT 4081 7512
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AKL2 follow-up statements
524
WWUS51 KPHI 261912
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
312 PM EDT Mon Jun 26 2023
NJC037-041-PAC089-095-261945-
/O.CON.KPHI.SV.W.0101.000000T0000Z-230626T1945Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
312 PM EDT Mon Jun 26 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR WEST CENTRAL SUSSEX...NORTHWESTERN WARREN...EAST CENTRAL MONROE
AND NORTHEASTERN NORTHAMPTON COUNTIES...
At 312 PM EDT, a severe thunderstorm was located over Columbia, or 16
miles northeast of Easton, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Blairstown, Belvidere, Hope, East Bangor, Flatbrookville, Werry Lake,
Millbrook, Delaware Water Gap, Columbia, Echo Lake, Five Points,
Portland, Shawnee, Marshalls Creek and Hidden Lake.
This includes the following highways...
Interstate 80 in Pennsylvania near mile marker 314.
Interstate 80 in New Jersey between mile markers 0 and 12.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4113 7506 4108 7503 4109 7500 4112 7497
4107 7481 4078 7508 4082 7521 4115 7509
TIME...MOT...LOC 1912Z 205DEG 26KT 4090 7507
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AKL779
WWUS51 KPHI 261940 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
340 PM EDT Mon Jun 26 2023
NJC037-041-PAC089-095-261948-
/O.EXP.KPHI.SV.W.0101.000000T0000Z-230626T1945Z/
Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
340 PM EDT Mon Jun 26 2023
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL SUSSEX...
NORTHWESTERN WARREN...EAST CENTRAL MONROE AND NORTHEASTERN
NORTHAMPTON COUNTIES WILL EXPIRE AT 345 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
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
Monroe County and Northern Northampton County until 430 PM EDT.
LAT...LON 4113 7506 4108 7503 4109 7500 4112 7497
4107 7481 4078 7508 4082 7521 4115 7509
TIME...MOT...LOC 1938Z 205DEG 27KT 4107 7497
$$
AKLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:33 AM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 23 hr |
| Jun 26, 8:41 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 49 min |
| Jun 26, 9:18 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 42 min |
| Jun 26, 9:47 AM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 43 min |
| Jun 26, 1:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 47 min |
| Jun 26, 1:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 40 min |
| Jun 26, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 41 min |
| Jun 26, 2:06 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 39 min |
| Jun 26, 2:12 PM EDT | Tornado Warning | PHI | Berks, Lehigh | 21 min |
| Jun 26, 2:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 54 min |
| Jun 26, 2:23 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh | 107 min |
| Jun 26, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 44 min |
| Jun 26, 2:32 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 67 min |
| Jun 26, 2:40 PM EDT | Special Weather Statement | PHI | Bucks | 35 min |
| Jun 26, 3:02 PM EDT | Tornado Warning | PHI | Northampton | 28 min |
| Jun 26, 3:03 PM EDT | Areal Flood Advisory | PHI | Monroe | 104 min |
| Jun 26, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 41 min |
| Jun 26, 3:56 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 2 hr |
| Jun 26, 4:04 PM EDT | Special Weather Statement | PHI | Northampton | 41 min |
| Jun 26, 4:50 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 73 min |
| Jun 26, 5:47 PM EDT | Special Weather Statement | PHI | Lebanon | 28 min |
| Jun 26, 5:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 24 min |
| Jun 26, 6:00 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Jun 26, 6:03 PM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 6 hr |
| Jun 26, 6:16 PM EDT | Special Weather Statement | PHI | Delaware | 29 min |
| Jun 26, 6:26 PM EDT | Special Weather Statement | PHI | Chester | 34 min |
| Jun 26, 6:37 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 2 hr |
| Jun 26, 6:50 PM EDT | Special Weather Statement | PHI | Montgomery | 25 min |
| Jun 26, 6:51 PM EDT | Special Weather Statement | PHI | Northampton | 24 min |
| Jun 26, 7:13 PM EDT | Special Weather Statement | PHI | Bucks | 32 min |
| Jun 26, 7:26 PM EDT | Special Weather Statement | PHI | Montgomery | 34 min |
| Jun 26, 7:44 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery | 31 min |
| Jun 26, 7:59 PM EDT | Special Weather Statement | PHI | Lehigh | 31 min |
| Jun 26, 3:19 AM EDT | Small Craft Advisory | PHI | 63 hr | |
| Jun 26, 10:16 AM EDT | Special Weather Statement | PHI | Camden | 14 min |
| Jun 26, 10:43 AM EDT | Special Weather Statement | PHI | Sussex | 32 min |
| Jun 26, 11:18 AM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jun 26, 11:53 AM EDT | Special Weather Statement | PHI | Middlesex | 22 min |
| Jun 26, 11:57 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 18 min |
| Jun 26, 12:22 PM EDT | Special Weather Statement | PHI | Middlesex | 38 min |
| Jun 26, 2:02 PM EDT | Special Weather Statement | PHI | Hunterdon | 28 min |
| Jun 26, 2:32 PM EDT | Special Marine Warning | PHI | 43 min | |
| Jun 26, 2:49 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 41 min |
| Jun 26, 2:54 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 95 min |
| Jun 26, 3:01 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| Jun 26, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 41 min |
| Jun 26, 3:17 PM EDT | Tornado Warning | PHI | Hunterdon, Somerset | 28 min |
| Jun 26, 3:21 PM EDT | Special Weather Statement | PHI | Camden | 24 min |
| Jun 26, 3:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 32 min |
| Jun 26, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 50 min |
| Jun 26, 3:45 PM EDT | Special Weather Statement | PHI | Burlington | 30 min |
| Jun 26, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 42 min |
| Jun 26, 3:59 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 46 min |
| Jun 26, 4:14 PM EDT | Special Weather Statement | PHI | Mercer | 31 min |
| Jun 26, 4:16 PM EDT | Areal Flood Advisory | PHI | Morris, Somerset | 101 min |
| Jun 26, 4:24 PM EDT | Special Weather Statement | PHI | Burlington | 36 min |
| Jun 26, 4:50 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jun 26, 5:01 PM EDT | Areal Flood Advisory | PHI | Morris | 56 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 25 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 39 min |
| Jun 26, 5:22 PM EDT | Special Marine Warning | PHI | 23 min | |
| Jun 26, 5:55 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 6 hr |
| Jun 26, 6:08 PM EDT | Special Weather Statement | PHI | Hunterdon | 37 min |
| Jun 26, 6:15 PM EDT | Special Weather Statement | PHI | Salem | 30 min |
| Jun 26, 6:16 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 51 min |
| Jun 26, 6:55 PM EDT | Special Weather Statement | PHI | Hunterdon | 35 min |
| Jun 26, 7:07 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 5 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2023Severe 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.