Flash Flood Warning 107, NWS Philadelphia/Mount Holly

Issued

Aug 7, 2026, 3:25 PM EDT (19:25 UTC)

Expired

Aug 7, 2026, 6:30 PM EDT

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

County Berks County, PA

The Philadelphia radar (KDIX), 158 km from the middle of the area, began a volume at 19:25 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.

208 
WGUS51 KPHI 071925
FFWPHI
PAC011-072230-
/O.NEW.KPHI.FF.W.0107.260807T1925Z-260807T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
325 PM EDT Fri Aug 7 2026

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Northwestern Berks County in eastern Pennsylvania...

* Until 630 PM EDT.

* At 325 PM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  0.5 and 1.5 inches of rain have fallen. The expected rainfall rate 
  is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 
  inches are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  Hamburg, Womelsdorf, Robesonia, Leesport, Shoemakersville, 
  Bernville, Strausstown, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 11 
and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4033 7617 4036 7621 4037 7623 4045 7636
      4047 7637 4052 7627 4054 7617 4057 7608
      4058 7607 4057 7605 4058 7604 4057 7602
      4061 7600 4061 7594 4042 7591

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

Cooper

779 
WGUS71 KPHI 072040
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
440 PM EDT Fri Aug 7 2026

PAC011-072230-
/O.CON.KPHI.FF.W.0107.000000T0000Z-260807T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berks PA-
440 PM EDT Fri Aug 7 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT THIS 
EVENING FOR NORTHWESTERN BERKS COUNTY...

At 440 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 
1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts 
up to 0.5 inches are possible in the warned area. Flash flooding is 
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets, and underpasses as well as other
         drainage and low lying areas.

Some locations that may experience flash flooding include...
  Hamburg, Womelsdorf, Robesonia, Leesport, Shoemakersville, 
  Bernville, Strausstown, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 11 
and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4033 7617 4036 7621 4037 7623 4045 7636
      4047 7637 4052 7627 4054 7617 4057 7608
      4058 7607 4057 7605 4058 7604 4057 7602
      4061 7600 4061 7594 4042 7591

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

Cooper

776 
WGUS71 KPHI 072227
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
627 PM EDT Fri Aug 7 2026

PAC011-072237-
/O.EXP.KPHI.FF.W.0107.000000T0000Z-260807T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berks PA-
627 PM EDT Fri Aug 7 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 630 PM EDT THIS EVENING FOR 
NORTHWESTERN BERKS COUNTY...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

&&

LAT...LON 4033 7617 4036 7621 4037 7623 4045 7636
      4047 7637 4052 7627 4054 7617 4057 7608
      4058 7607 4057 7605 4058 7604 4057 7602
      4061 7600 4061 7594 4042 7591

$$

Cooper

Flash Flood Warnings in Pennsylvania, 2026Every flash flood warning in 2026

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.