Alert archive / Pennsylvania / River Flood Warnings in 2019
River Flood Warning 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Jun 20, 2019, 4:58 PM EDT for Chester County, Pennsylvania. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2019, 4:58 PM EDT (20:58 UTC)
- Expired
- Jun 20, 2019, 9:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Chester County, PA
The radar
The Philadelphia radar (KDIX), 108 km from the middle of the area, began a volume at 20:59 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 river
Written for the forecast point East Branch Brandywine Creek below Downingtown (DWNP1). The gauge peaked at 9.19 ft at Jun 20, 2019, 6:00 AM EDT.
- Action stage
- 6 ft
- Minor stage
- 7 ft
- Moderate stage
- 9 ft
- Major stage
- 11 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01480870, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
909
WGUS41 KPHI 202058
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
458 PM EDT Thu Jun 20 2019
...The National Weather Service in Mount Holly NJ has issued a
flood warning for the following rivers in Pennsylvania...
East Branch Brandywine Creek Below Downingtown affecting
Chester County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC029-210256-
/O.NEW.KPHI.FL.W.0018.190620T2058Z-190621T0420Z/
/DWNP1.1.ER.190620T1957Z.190620T2100Z.190620T2220Z.NO/
458 PM EDT Thu Jun 20 2019
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The East Branch Brandywine Creek at Downingtown.
* Until late tonight...or until the warning is cancelled.
* At 4:45 PM Thursday the stage was 7.5 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...The river will rise to near 7.6 feet. The river
will fall below flood stage this evening.
* Impact...At 8.0 feet...Dowlin Forge Road begins to flood.
* Flood history...This crest compares to a previous crest of 7.0
feet on Aug 4 2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Downingtown 7.0 7.50 Thu 5 PM 7.6 Thu 5 PM
&&
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
$$
Kruzdlo2 follow-up statements
951
WGUS81 KPHI 210010
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
810 PM EDT Thu Jun 20 2019
...The Flood Warning continues for the following rivers in
Pennsylvania...
East Branch Brandywine Creek Below Downingtown affecting
Chester County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC029-210613-
/O.EXT.KPHI.FL.W.0018.000000T0000Z-190621T0613Z/
/DWNP1.1.ER.190620T1957Z.190620T2245Z.190621T0013Z.NO/
810 PM EDT Thu Jun 20 2019
The Flood Warning continues for
The East Branch Brandywine Creek at Downingtown.
* At 7:45 PM Thursday the stage was 7.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...The river will continue to fall this evening.
* Impact...At 8.0 feet...Dowlin Forge Road begins to flood.
* Flood history...This crest compares to a previous crest of
7.0 feet on Aug 4 2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Downingtown 7.0 7.59 Thu 8 PM Crested and falling
&&
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
$$
Kruzdlo985
WGUS81 KPHI 210115
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
915 PM EDT Thu Jun 20 2019
...The Flood Warning is cancelled for the following rivers in
Pennsylvania...
East Branch Brandywine Creek Below Downingtown affecting
Chester County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC029-210145-
/O.CAN.KPHI.FL.W.0018.000000T0000Z-190621T0613Z/
/DWNP1.1.ER.190620T1957Z.190620T2245Z.190621T0042Z.NO/
915 PM EDT Thu Jun 20 2019
The Flood Warning is cancelled for
The East Branch Brandywine Creek at Downingtown.
* At 8:45 PM Thursday the stage was 6.96 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at 8:42 PM Thursday.
* Forecast...The river will continue to fall to 3.0 feet by
Saturday morning.
* Impact...At 6.0 feet...Open adjacent land next to the creek
floods.
* Flood history...This crest compares to a previous crest of 7.0
feet on Aug 4 2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Downingtown 7.0 6.96 Thu 9 PM Below food stage
&&
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:09 PM EDT | Areal Flood Warning | PHI | Philadelphia | 3 hr |
| Jun 19, 9:50 PM EDT | Special Weather Statement | PHI | Lebanon | 55 min |
| Jun 19, 10:47 PM EDT | Areal Flood Advisory | PHI | Berks | 50 min |
| Jun 19, 11:11 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 6 hr |
| Jun 19, 11:34 PM EDT | Flash Flood Warning | PHI | Berks | 6 hr |
| Jun 20, 12:39 AM EDT | Areal Flood Advisory | PHI | Montgomery | 7 min |
| Jun 20, 12:45 AM EDT | Flash Flood Warning | PHI | Montgomery, Philadelphia | 6 hr |
| Jun 20, 3:40 AM EDT | River Flood Warning | PHI | Delaware | 111 min |
| Jun 20, 3:59 AM EDT | River Flood Warning | PHI | Chester | 7 hr |
| Jun 20, 5:10 AM EDT | Areal Flood Warning | PHI | Chester, Delaware | 12 hr |
| Jun 20, 5:19 AM EDT | River Flood Warning | PHI | Chester, Delaware | 13 hr |
| Jun 20, 5:24 AM EDT | Areal Flood Warning | PHI | Berks | 6 hr |
| Jun 20, 6:14 AM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 10 hr |
| Jun 20, 6:31 AM EDT | River Flood Warning | PHI | Delaware | 3 hr |
| Jun 20, 1:24 PM EDT | Special Weather Statement | PHI | Berks, Chester, Montgomery | 51 min |
| Jun 20, 1:28 PM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Jun 20, 2:13 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery | 4 hr |
| Jun 20, 2:26 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 94 min |
| Jun 20, 2:33 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 57 min |
| Jun 20, 2:48 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jun 20, 3:20 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Jun 20, 6:33 PM EDT | Areal Flood Warning | PHI | Montgomery | 3 hr |
Nearby
River Flood Warnings in Pennsylvania, 2019Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.