Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 161, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2024, 2:23 PM EDT for Berks County, Carbon County, Lehigh County, Pennsylvania. It was in force for 52 min. 2 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
- Aug 2, 2024, 2:23 PM EDT (18:23 UTC)
- Expired
- Aug 2, 2024, 3:15 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, Carbon County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 147 km from the middle of the area, began a volume at 18:25 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, 2:39 PM EDT | TSTM WND DMG | 1 Ese Albany Twp, PA | Trees and wires down along Route 143 and Hawk Mountain Road with wires sparking. Time estimated from radar. |
| Aug 2, 2:48 PM EDT | TSTM WND DMG | 1 Sse Lenhartsville, PA | Wires down along Route 143 in Greenwich 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, 6.4 hours before the alert went out and 229 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.
129
WUUS51 KPHI 021823
SVRPHI
PAC011-025-077-021915-
/O.NEW.KPHI.SV.W.0161.240802T1823Z-240802T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
223 PM EDT Fri Aug 2 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Berks County in eastern Pennsylvania...
Northwestern Lehigh County in eastern Pennsylvania...
South central Carbon County in northeastern Pennsylvania...
* Until 315 PM EDT.
* At 222 PM EDT, a severe thunderstorm was located over Hamburg, or
11 miles southeast of Schuylkill Haven, moving northeast at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Allentown, Kutztown, Hamburg, Leesport, Shoemakersville,
Lenhartsville, Neffs, Wanamakers, Coffeetown, New Tripoli, Jordan
Valley, Emerald, Schnecksville, Claussville, Bowmanstown,
Parryville, and Centerport.
This includes the following highways...
Northeast Extension between mile markers 56 and 73.
Interstate 78 in Pennsylvania between mile markers 27 and 55.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 7606 4057 7602 4065 7598 4070 7583
4073 7577 4074 7576 4076 7579 4082 7568
4058 7551 4043 7600 4056 7610
TIME...MOT...LOC 1822Z 240DEG 19KT 4055 7598
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich2 follow-up statements
537
WWUS51 KPHI 021855
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
255 PM EDT Fri Aug 2 2024
PAC011-025-077-021915-
/O.CON.KPHI.SV.W.0161.000000T0000Z-240802T1915Z/
Berks PA-Lehigh PA-Carbon PA-
255 PM EDT Fri Aug 2 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN BERKS...NORTHWESTERN LEHIGH AND SOUTH CENTRAL CARBON
COUNTIES...
At 255 PM EDT, a severe thunderstorm was located near Lenhartsville,
or 15 miles north of Reading, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Allentown, Kutztown, Hamburg, Lenhartsville, Jordan Valley, Neffs,
Wanamakers, Emerald, Schnecksville, Coffeetown, New Tripoli, and
Claussville.
This includes the following highways...
Northeast Extension between mile markers 56 and 69.
Interstate 78 in Pennsylvania between mile markers 33 and 54.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4047 7587 4054 7599 4069 7587 4070 7583
4073 7577 4074 7576 4076 7579 4080 7571
4075 7563 4073 7562 4059 7552 4054 7565
TIME...MOT...LOC 1855Z 218DEG 26KT 4055 7584
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich592
WWUS51 KPHI 021905
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
305 PM EDT Fri Aug 2 2024
PAC011-025-077-021915-
/O.EXP.KPHI.SV.W.0161.000000T0000Z-240802T1915Z/
Berks PA-Lehigh PA-Carbon PA-
305 PM EDT Fri Aug 2 2024
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKS...
NORTHWESTERN LEHIGH AND SOUTH CENTRAL CARBON COUNTIES WILL EXPIRE AT
315 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. 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 4047 7587 4054 7599 4069 7587 4070 7583
4073 7577 4074 7576 4076 7579 4080 7571
4075 7563 4073 7562 4059 7552 4054 7565
TIME...MOT...LOC 1905Z 240DEG 19KT 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, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 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.