Alert archive / Pennsylvania / Flash Flood Warnings in 2019
Flash Flood Warning 76, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 7, 2019, 3:24 PM EDT for Berks County, Pennsylvania. It was in force for 106 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
- Aug 7, 2019, 3:24 PM EDT (19:24 UTC)
- Expired
- Aug 7, 2019, 5:10 PM EDT
- In force
- 106 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 141 km from the middle of the area, began a volume at 19:28 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.4 hours before the alert went out and 198 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
- 371 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1115 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
187
WGUS51 KPHI 071924
FFWPHI
PAC011-072330-
/O.NEW.KPHI.FF.W.0076.190807T1924Z-190807T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
324 PM EDT Wed Aug 7 2019
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Central Berks County in eastern Pennsylvania...
* Until 730 PM EDT.
* At 323 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to one inch of rain has
already fallen. Flash flooding is expected to begin shortly in the
areas of heaviest rain.
* Some locations that could experience flooding include...
Reading, Wyomissing, Birdsboro, Kutztown, Fleetwood, Sinking
Spring, Laureldale, Womelsdorf, Wernersville, Leesport,
Shoemakersville, Bernville, Lyons, New Morgan, Spring Ridge,
Fairview Hgts, Shillington, West Reading, Mount Penn and Mohnton.
LAT...LON 4044 7613 4058 7578 4039 7564 4016 7590
4016 7591 4031 7614 4035 7619
$$
NC1 follow-up statement
074
WGUS71 KPHI 072110
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
510 PM EDT Wed Aug 7 2019
PAC011-072119-
/O.CAN.KPHI.FF.W.0076.000000T0000Z-190807T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berks PA-
510 PM EDT Wed Aug 7 2019
...THE FLASH FLOOD WARNING FOR CENTRAL BERKS COUNTY IS CANCELLED...
The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.
LAT...LON 4044 7613 4058 7578 4039 7564 4016 7590
4016 7591 4031 7614 4035 7619
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 10:02 AM EDT | Flash Flood Watch | PHI | Bucks, Delaware, Montgomery, Philadelphia | 11 hr |
| Aug 7, 1:02 PM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Aug 7, 1:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 38 min |
| Aug 7, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Aug 7, 1:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 44 min |
| Aug 7, 2:01 PM EDT | Areal Flood Advisory | PHI | Bucks | 97 min |
| Aug 7, 2:59 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 31 min |
| Aug 7, 3:01 PM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Aug 7, 3:02 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 43 min |
| Aug 7, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 42 min |
| Aug 7, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 51 min |
| Aug 7, 3:30 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery | 30 min |
| Aug 7, 3:31 PM EDT | Special Weather Statement | PHI | Philadelphia | 44 min |
| Aug 7, 3:41 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 91 min |
| Aug 7, 3:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 51 min |
| Aug 7, 4:03 PM EDT | Special Weather Statement | PHI | Philadelphia | 42 min |
| Aug 7, 4:06 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 7, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 66 min |
| Aug 7, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Monroe, Northampton | 46 min |
| Aug 7, 4:20 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Aug 7, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 63 min |
| Aug 7, 4:44 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Aug 7, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 59 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 78 min |
| Aug 7, 6:01 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 3 hr |
| Aug 7, 6:10 PM EDT | River Flood Warning | PHI | Delaware | 119 min |
| Aug 7, 7:42 PM EDT | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2019Every flash flood warning in 2019
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.