Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 92, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2023, 9:47 AM EDT for Morris County, Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 43 min. 1 report 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, 9:47 AM EDT (13:47 UTC)
- Expired
- Jun 26, 2023, 10:30 AM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 117 km from the middle of the area, began a volume at 13:47 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, 10:19 AM EDT | TSTM WND DMG | Blairstown Twp, NJ | Trees and large branches down on roadway. |
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, 1.8 hours before the alert went out and 175 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.
407
WUUS51 KPHI 261347
SVRPHI
NJC027-037-041-PAC089-095-261430-
/O.NEW.KPHI.SV.W.0092.230626T1347Z-230626T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
947 AM EDT Mon Jun 26 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
West central Morris County in northern New Jersey...
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 1030 AM EDT.
* At 947 AM EDT, a severe thunderstorm was located over Belvidere, or
12 miles northeast of Easton, moving northeast at 25 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...
Hopatcong, East Stroudsburg, Hackettstown, Washington, Blairstown,
Bangor, Mount Arlington, Stanhope, Pen Argyl, Netcong, Belvidere,
Harmony, Oxford, Alpha, Hope, East Bangor, Andover, Brass Castle,
Werry Lake and Greendell.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 3 and 5.
Interstate 80 in Pennsylvania between mile markers 312 and 314.
Interstate 80 in New Jersey between mile markers 0 and 31.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4091 7460 4078 7488 4078 7490 4077 7491
4065 7516 4085 7528 4114 7508 4108 7503
4109 7500 4115 7491
TIME...MOT...LOC 1347Z 218DEG 24KT 4084 7512
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL2 follow-up statements
091
WWUS51 KPHI 261415
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1015 AM EDT Mon Jun 26 2023
PAC089-095-261424-
/O.CAN.KPHI.SV.W.0092.000000T0000Z-230626T1430Z/
Monroe PA-Northampton PA-
1015 AM EDT Mon Jun 26 2023
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE AND
NORTHEASTERN NORTHAMPTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4115 7491 4091 7460 4077 7499 4099 7513
4104 7503 4106 7501 4108 7498 4110 7497
4109 7499
TIME...MOT...LOC 1414Z 218DEG 24KT 4099 7497
$$
NJC027-037-041-261430-
/O.CON.KPHI.SV.W.0092.000000T0000Z-230626T1430Z/
Morris NJ-Sussex NJ-Warren NJ-
1015 AM EDT Mon Jun 26 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT
FOR WEST CENTRAL MORRIS...SOUTHWESTERN SUSSEX AND WARREN COUNTIES...
At 1014 AM EDT, a severe thunderstorm was located over Blairstown, or
12 miles west of Newton, 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...
Hopatcong, Hackettstown, Blairstown, Mount Arlington, Stanhope,
Netcong, Oxford, Hope, Andover, Great Meadows-Vienna, Flatbrookville,
Allamuchy-Panther Valley, Greendell, Millbrook, Five Points, Budd
Lake, Beatyestown and Beattyestown.
This includes Interstate 80 in New Jersey between mile markers 5 and
30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4115 7491 4091 7460 4077 7499 4099 7513
4104 7503 4106 7501 4108 7498 4110 7497
4109 7499
TIME...MOT...LOC 1414Z 218DEG 24KT 4099 7497
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL566
WWUS51 KPHI 261427
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1027 AM EDT Mon Jun 26 2023
NJC027-037-041-261437-
/O.EXP.KPHI.SV.W.0092.000000T0000Z-230626T1430Z/
Morris NJ-Sussex NJ-Warren NJ-
1027 AM EDT Mon Jun 26 2023
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MORRIS...
SOUTHWESTERN SUSSEX AND WARREN COUNTIES WILL EXPIRE AT 1030 AM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 4115 7491 4091 7460 4077 7499 4099 7513
4104 7503 4106 7501 4108 7498 4110 7497
4109 7499
TIME...MOT...LOC 1427Z 218DEG 24KT 4104 7491
$$
MJLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:19 AM EDT | Small Craft Advisory | PHI | 63 hr | |
| Jun 26, 3:33 AM EDT | Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 23 hr |
| Jun 26, 9:18 AM EDT | Severe Thunderstorm Warning | PHI | Warren | 42 min |
| 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, 2:40 PM EDT | Special Weather Statement | PHI | Hunterdon | 35 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, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 47 min |
| Jun 26, 3:01 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| Jun 26, 3:02 PM EDT | Tornado Warning | PHI | Warren | 28 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, 3:56 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 2 hr |
| 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 | Areal Flood Advisory | PHI | Warren | 73 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, 6:00 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Jun 26, 6:03 PM EDT | Flash Flood Warning | PHI | Warren | 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 |
| Jun 26, 8:41 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 49 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, 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, 4:04 PM EDT | Special Weather Statement | PHI | Northampton | 41 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, 6:16 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 |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2023Severe Thunderstorm Warnings in Pennsylvania, 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.