Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 147, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 2, 2023, 5:08 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 52 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
- Jul 2, 2023, 5:08 PM EDT (21:08 UTC)
- Expired
- Jul 2, 2023, 6:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 160 km from the middle of the area, began a volume at 21:10 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 |
|---|---|---|---|
| Jul 2, 4:31 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.1 hours before the alert went out and 208 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
- 137 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
889
WUUS51 KPHI 022108
SVRPHI
PAC011-077-022200-
/O.NEW.KPHI.SV.W.0147.230702T2108Z-230702T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
508 PM EDT Sun Jul 2 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Berks County in eastern Pennsylvania...
West central Lehigh County in eastern Pennsylvania...
* Until 600 PM EDT.
* At 508 PM EDT, a severe thunderstorm was located near Friedensburg,
or 7 miles southwest of Schuylkill Haven, moving east at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Hamburg, Fleetwood, Leesport, Shoemakersville, Bernville,
Strausstown, Lenhartsville, Fairview Hgts, Wanamakers and
Centerport.
This includes Interstate 78 in Pennsylvania near mile marker 8, and
between mile markers 10 and 39.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4052 7634 4052 7625 4056 7609 4058 7606
4057 7602 4063 7600 4065 7598 4069 7585
4041 7580 4043 7634 4049 7643
TIME...MOT...LOC 2108Z 264DEG 21KT 4058 7629
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons2 follow-up statements
346
WWUS51 KPHI 022131
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
531 PM EDT Sun Jul 2 2023
PAC011-077-022200-
/O.CON.KPHI.SV.W.0147.000000T0000Z-230702T2200Z/
Berks PA-Lehigh PA-
531 PM EDT Sun Jul 2 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTH CENTRAL BERKS AND WEST CENTRAL LEHIGH COUNTIES...
At 531 PM EDT, a severe thunderstorm was located near Schuylkill
Haven, moving east at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Hamburg, Lenhartsville and Wanamakers.
This includes Interstate 78 in Pennsylvania between mile markers 27
and 39.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4052 7622 4053 7622 4056 7609 4058 7606
4057 7602 4063 7600 4065 7598 4069 7585
4055 7582
TIME...MOT...LOC 2131Z 264DEG 21KT 4059 7611
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons533
WWUS51 KPHI 022153
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
553 PM EDT Sun Jul 2 2023
PAC011-077-022203-
/O.EXP.KPHI.SV.W.0147.000000T0000Z-230702T2200Z/
Berks PA-Lehigh PA-
553 PM EDT Sun Jul 2 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BERKS AND WEST
CENTRAL LEHIGH COUNTIES WILL EXPIRE AT 600 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. However gusty
winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
eastern Pennsylvania.
LAT...LON 4052 7622 4053 7622 4056 7609 4058 7606
4057 7602 4063 7600 4065 7598 4069 7585
4055 7582
TIME...MOT...LOC 2153Z 264DEG 21KT 4060 7595
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 6:16 PM EDT | Tornado Warning | PHI | Berks, Lehigh | 29 min |
| Jul 2, 6:33 PM EDT | Tornado Warning | PHI | Berks, Chester, Montgomery | 27 min |
| Jul 2, 6:57 PM EDT | Tornado Warning | PHI | Berks, Chester, Montgomery | 9 min |
| Jul 2, 7:06 PM EDT | Tornado Warning | PHI | Chester | 24 min |
| Jul 2, 7:23 PM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Jul 2, 7:25 PM EDT | Tornado Warning | PHI | Chester | 35 min |
| Jul 2, 7:57 PM EDT | Tornado Warning | PHI | Chester | 33 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.