Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 162, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2024, 2:30 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 45 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
- Aug 2, 2024, 2:30 PM EDT (18:30 UTC)
- Expired
- Aug 2, 2024, 3:15 PM EDT
- In force
- 45 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), 121 km from the middle of the area, began a volume at 18:32 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 |
|---|---|---|---|
| Aug 2, 2:38 PM EDT | TSTM WND DMG | 1 Sw Maiden Creek, PA | Wires down along Snyder Road and Leesport Avenue in Ontelaunee Township, PA. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.5 hours before the alert went out and 220 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
- 433 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1251 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
364
WUUS51 KPHI 021830
SVRPHI
PAC011-077-021915-
/O.NEW.KPHI.SV.W.0162.240802T1830Z-240802T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
230 PM EDT Fri Aug 2 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
East central Berks County in eastern Pennsylvania...
Southeastern Lehigh County in eastern Pennsylvania...
* Until 315 PM EDT.
* At 230 PM EDT, a severe thunderstorm was located over Spring Ridge,
or over Reading, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Allentown, Reading, Emmaus, Wyomissing, Kutztown, Fleetwood,
Sinking Spring, Laureldale, Topton, Leesport, Bally, Lyons, Spring
Ridge, Zionsville, Ancient Oaks, Shillington, West Reading, Mount
Penn, Macungie, and Mohnton.
This includes the following highways...
Northeast Extension between mile markers 46 and 56.
Interstate 78 in Pennsylvania between mile markers 54 and 58.
Interstate 176 in Pennsylvania between mile markers 10 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4039 7611 4060 7552 4049 7541 4045 7545
4043 7550 4045 7553 4041 7556 4026 7598
TIME...MOT...LOC 1830Z 235DEG 29KT 4037 7596
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich3 follow-up statements
015
WWUS51 KPHI 021847
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
247 PM EDT Fri Aug 2 2024
PAC011-077-021915-
/O.CON.KPHI.SV.W.0162.000000T0000Z-240802T1915Z/
Berks PA-Lehigh PA-
247 PM EDT Fri Aug 2 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR EAST CENTRAL BERKS AND SOUTHEASTERN LEHIGH COUNTIES...
At 247 PM EDT, a severe thunderstorm was located over Fleetwood, or 9
miles northeast of Reading, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Allentown, Emmaus, Kutztown, Fleetwood, Laureldale, Topton, Lyons,
Ancient Oaks, Zionsville, Macungie, and Alburtis.
This includes the following highways...
Northeast Extension between mile markers 48 and 56.
Interstate 78 in Pennsylvania between mile markers 54 and 58.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4031 7583 4045 7595 4060 7552 4050 7542
4032 7580
TIME...MOT...LOC 1847Z 233DEG 28KT 4045 7582
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich091
WWUS51 KPHI 021900
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
300 PM EDT Fri Aug 2 2024
PAC011-077-021915-
/O.CON.KPHI.SV.W.0162.000000T0000Z-240802T1915Z/
Berks PA-Lehigh PA-
300 PM EDT Fri Aug 2 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR EAST CENTRAL BERKS AND SOUTH CENTRAL LEHIGH COUNTIES...
At 300 PM EDT, a severe thunderstorm was located over Lyons, or 12
miles northeast of Reading, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Emmaus, Kutztown, Fleetwood, Topton, Lyons, Ancient Oaks, Macungie,
and Alburtis.
This includes the following highways...
Northeast Extension between mile markers 51 and 56.
Interstate 78 in Pennsylvania between mile markers 54 and 55.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4042 7578 4048 7587 4059 7555 4051 7550
4047 7561
TIME...MOT...LOC 1900Z 235DEG 25KT 4048 7576
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich427
WWUS51 KPHI 021905 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
305 PM EDT Fri Aug 2 2024
PAC011-077-021915-
/O.EXP.KPHI.SV.W.0162.000000T0000Z-240802T1915Z/
Berks PA-Lehigh PA-
305 PM EDT Fri Aug 2 2024
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BERKS AND SOUTH
CENTRAL LEHIGH COUNTIES WILL EXPIRE AT 315 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4042 7578 4048 7587 4059 7555 4051 7550
4047 7561
TIME...MOT...LOC 1905Z 235DEG 29KT 4047 7577
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 4:17 AM EDT | Excessive Heat Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 16 hr |
| Aug 2, 2:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 52 min |
| Aug 2, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| Aug 2, 3:44 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Aug 2, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 42 min |
| Aug 2, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 24 min |
| Aug 2, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 39 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024
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.