Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 305, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 7, 2023, 2:52 PM EDT for Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2023, 2:52 PM EDT (18:52 UTC)
- Expired
- Sep 7, 2023, 3:16 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 135 km from the middle of the area, began a volume at 18:54 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 183 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
- 2039 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
928
WUUS51 KPHI 071852
SVRPHI
NJC041-PAC089-095-071930-
/O.NEW.KPHI.SV.W.0305.230907T1852Z-230907T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
252 PM EDT Thu Sep 7 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Warren County in northwestern New Jersey...
East central Monroe County in northeastern Pennsylvania...
Northeastern Northampton County in eastern Pennsylvania...
* Until 330 PM EDT.
* At 251 PM EDT, a severe thunderstorm was located near Delaware
Water Gap, or 16 miles southeast of Mount Pocono, moving northeast
at 10 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...
East Stroudsburg, Blairstown, Columbia, Echo Lake, Werry Lake,
Millbrook, Delaware Water Gap, Portland, Marshalls Creek, Hidden
Lake, Shawnee and Arlington Heights.
This includes the following highways...
Interstate 80 in Pennsylvania between mile markers 312 and 314.
Interstate 80 in New Jersey between mile markers 0 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
&&
LAT...LON 4113 7506 4108 7503 4110 7497 4105 7491
4098 7484 4089 7509 4104 7523 4115 7509
TIME...MOT...LOC 1851Z 235DEG 11KT 4101 7508
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
848
WWUS51 KPHI 071908
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
308 PM EDT Thu Sep 7 2023
PAC095-071917-
/O.CAN.KPHI.SV.W.0305.000000T0000Z-230907T1930Z/
Northampton PA-
308 PM EDT Thu Sep 7 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NORTHAMPTON
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northwestern New Jersey...and northeastern Pennsylvania.
LAT...LON 4096 7499 4106 7512 4114 7508 4113 7506
4108 7503 4110 7497 4105 7491 4102 7488
TIME...MOT...LOC 1907Z 219DEG 13KT 4105 7504
$$
NJC041-PAC089-071930-
/O.CON.KPHI.SV.W.0305.000000T0000Z-230907T1930Z/
Warren NJ-Monroe PA-
308 PM EDT Thu Sep 7 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTH CENTRAL WARREN AND EAST CENTRAL MONROE COUNTIES...
At 307 PM EDT, a severe thunderstorm was located over Echo Lake, or
14 miles west of Newton, moving northeast at 15 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, Millbrook, Echo Lake, Werry Lake and Hidden Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 4096 7499 4106 7512 4114 7508 4113 7506
4108 7503 4110 7497 4105 7491 4102 7488
TIME...MOT...LOC 1907Z 219DEG 13KT 4105 7504
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS075
WWUS51 KPHI 071916
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
316 PM EDT Thu Sep 7 2023
NJC041-PAC089-071926-
/O.CAN.KPHI.SV.W.0305.000000T0000Z-230907T1930Z/
Warren NJ-Monroe PA-
316 PM EDT Thu Sep 7 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WARREN AND EAST
CENTRAL MONROE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northwestern New Jersey...and northeastern Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4096 7499 4106 7512 4114 7508 4113 7506
4108 7503 4110 7497 4105 7491 4102 7488
TIME...MOT...LOC 1912Z 235DEG 11KT 4107 7501
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:52 PM EDT | Special Weather Statement | PHI | Warren | 23 min |
| Sep 7, 2:10 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 50 min |
| Sep 7, 3:17 PM EDT | Special Weather Statement | PHI | Sussex | 28 min |
| Sep 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 34 min |
| Sep 7, 6:06 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 24 min |
| Sep 7, 6:21 PM EDT | Special Weather Statement | PHI | Warren | 24 min |
| Sep 7, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 45 min |
| Sep 7, 7:05 PM EDT | Special Weather Statement | PHI | Morris | 25 min |
| Sep 7, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 34 min |
| Sep 7, 1:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 33 min |
| Sep 7, 1:38 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 19 min |
| Sep 7, 2:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 47 min |
| Sep 7, 4:35 PM EDT | Special Weather Statement | PHI | Berks | 25 min |
| Sep 7, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 43 min |
| Sep 7, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe | 43 min |
| Sep 7, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 31 min |
| Sep 7, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 41 min |
| Sep 7, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery, Northampton | 46 min |
| Sep 7, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 42 min |
| Sep 7, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 42 min |
| Sep 7, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 24 min |
| Sep 7, 7:00 PM EDT | Special Weather Statement | PHI | Montgomery | 30 min |
| Sep 7, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 39 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.