Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 146, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2025, 3:04 PM EDT for Berks County, Pennsylvania. It was in force for 41 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 8, 2025, 3:04 PM EDT (19:04 UTC)
- Expired
- Jul 8, 2025, 3:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Berks County, PA
The radar
The State College radar (KCCX), 160 km from the middle of the area, began a volume at 19:05 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 8, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.1 hours before the alert went out and 204 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
- 695 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
860
WUUS51 KPHI 081904
SVRPHI
PAC011-081945-
/O.NEW.KPHI.SV.W.0146.250708T1904Z-250708T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
304 PM EDT Tue Jul 8 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Berks County in eastern Pennsylvania...
* Until 345 PM EDT.
* At 303 PM EDT, severe thunderstorms were located along a line
extending from near Tower City to near Fort Indiantown Gap to near
Linglestown, moving east at 30 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...
Womelsdorf, Bernville, and Strausstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 4052 7634 4052 7625 4054 7617 4056 7613
4056 7609 4058 7606 4058 7604 4057 7602
4047 7603 4036 7621 4049 7643
TIME...MOT...LOC 1903Z 269DEG 27KT 4062 7657 4049 7661 4034 7684
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL3 follow-up statements
301
WWUS51 KPHI 081923
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
323 PM EDT Tue Jul 8 2025
PAC011-081945-
/O.CON.KPHI.SV.W.0146.000000T0000Z-250708T1945Z/
Berks PA-
323 PM EDT Tue Jul 8 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN BERKS COUNTY...
At 322 PM EDT, severe thunderstorms were located along a line
extending from Tremont to near Fredericksburg to near Skyline View,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Womelsdorf, Bernville, and Strausstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4052 7634 4052 7625 4054 7617 4056 7613
4056 7609 4058 7606 4058 7604 4057 7602
4047 7603 4036 7621 4049 7643
TIME...MOT...LOC 1922Z 270DEG 27KT 4062 7639 4049 7643 4034 7666
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL845
WWUS51 KPHI 081935
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
335 PM EDT Tue Jul 8 2025
PAC011-081945-
/O.CON.KPHI.SV.W.0146.000000T0000Z-250708T1945Z/
Berks PA-
335 PM EDT Tue Jul 8 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN BERKS COUNTY...
At 334 PM EDT, severe thunderstorms were located along a line
extending from near Friedensburg to near Pine Grove to near Annville,
moving east at 30 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...
Strausstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4052 7634 4052 7625 4054 7617 4056 7613
4056 7609 4058 7606 4058 7604 4057 7602
4047 7615 4039 7626 4049 7643
TIME...MOT...LOC 1934Z 269DEG 27KT 4062 7628 4049 7632 4034 7655
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL450
WWUS51 KPHI 081946
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
346 PM EDT Tue Jul 8 2025
PAC011-081955-
/O.EXP.KPHI.SV.W.0146.000000T0000Z-250708T1945Z/
Berks PA-
346 PM EDT Tue Jul 8 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BERKS COUNTY HAS
EXPIRED...
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
eastern Pennsylvania.
A Severe Thunderstorm Warning still remains in effect for Western
and Central Berks County in eastern Pennsylvania until 430 PM EDT.
LAT...LON 4052 7634 4052 7625 4054 7617 4056 7613
4056 7609 4058 7606 4058 7604 4057 7602
4047 7615 4039 7626 4049 7643
TIME...MOT...LOC 1945Z 270DEG 27KT 4062 7619 4049 7623 4034 7646
$$
MJLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:59 PM EDT | Flood Watch | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 23 hr |
| Jul 8, 3:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 46 min |
| Jul 8, 4:05 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 8, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 40 min |
| Jul 8, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 35 min |
| Jul 8, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 42 min |
| Jul 8, 4:39 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 8, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 51 min |
| Jul 8, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 19 min |
| Jul 8, 5:02 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 8, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 29 min |
| Jul 8, 5:19 PM EDT | Tornado Warning | PHI | Bucks, Montgomery | 26 min |
| Jul 8, 5:20 PM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 25 min |
| Jul 8, 5:31 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 8, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 8, 5:45 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 8, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 44 min |
| Jul 8, 5:52 PM EDT | Tornado Warning | PHI | Bucks, Montgomery, Philadelphia | 13 min |
| Jul 8, 5:53 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Jul 8, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 49 min |
| Jul 8, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 34 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025
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.