Alert archive / Delaware / River Flood Warnings in 2021
River Flood Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Jun 9, 2021, 7:54 AM EDT for New Castle County, Delaware. It took effect at Jun 9, 2021, 10:15 AM EDT. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2021, 7:54 AM EDT (11:54 UTC)
- In effect from
- Jun 9, 2021, 10:15 AM EDT
- Expired
- Jun 9, 2021, 12:24 PM EDT
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County New Castle County, DE
The radar
The Philadelphia radar (KDIX), 98 km from the middle of the area, began a volume at 11:56 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 Brandywine Creek at Wilmington (WMND1). The gauge peaked at 16.27 ft at Jun 9, 2021, 10:00 AM EDT.
- Action stage
- 22 ft
- Minor stage
- 24.5 ft
- Moderate stage
- 26 ft
- Major stage
- 27 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01481500, 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.
846
WGUS41 KPHI 091154
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
754 AM EDT Wed Jun 9 2021
...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the following rivers in Delaware...
Brandywine Creek At Wilmington affecting New Castle County.
For the Brandywine Creek...including Downingtown, Chadds Ford,
Wilmington...Moderate flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
DEC003-092200-
/O.NEW.KPHI.FL.W.0005.210609T1415Z-210609T2146Z/
/WMND1.1.ER.210609T1415Z.210609T1500Z.210609T1545Z.UU/
754 AM EDT Wed Jun 9 2021
The National Weather Service in Mount Holly has issued a
* Flood Warning for
the Brandywine Creek At Wilmington.
* Until this afternoon.
* At 7:15 AM EDT Wednesday the stage was 15.9 feet.
* Flood stage is 16.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this morning to a crest of 16.6 feet late this morning. It will
then fall below flood stage late this morning.
* Impact...At 14.5 feet, Minor flooding begins along the creek in
the Brandywine State Park.
* Impact...At 16.5 feet, North Park Drive, west of North Market
Street, in Brandywine State Park is subject to flooding and
closures.
* Impact...At 17.0 feet, Some flooding begins in the historic
Breck's Mill area in Montchanin.
* Flood History...This crest compares to a previous crest of 16.7
feet on 10/30/2012.
&&
Fld Observed Forecasts (8 am EDT)
Location Stg Stg Day/Time Thu Fri Sat
Brandywine Creek
Wilmington 16.5 15.9 Wed 7 am EDT 13.7 13.7 MSG
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
Deal1 follow-up statement
989
WGUS81 KPHI 091624
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1224 PM EDT Wed Jun 9 2021
...The Flood Warning is cancelled for the following rivers in
Delaware...
Brandywine Creek At Wilmington affecting New Castle County.
DEC003-091730-
/O.CAN.KPHI.FL.W.0005.000000T0000Z-210609T1624Z/
/WMND1.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1224 PM EDT Wed Jun 9 2021
...The Flood Warning for the Brandywine Creek At Wilmington has been
cancelled...
The Flood Warning is cancelled for
the Brandywine Creek At Wilmington.
* At 12:15 PM EDT Wednesday the stage was 16.2 feet.
* Flood stage is 16.5 feet.
* Forecast...The river is expected to fall to 13.1 feet Saturday
morning.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Thu Fri Sat
Brandywine Creek
Wilmington 16.5 16.2 Wed 12 pm ED 14.5 13.2 MSG
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:15 PM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Jun 9, 1:35 PM EDT | Special Weather Statement | PHI | New Castle | 25 min |
| Jun 9, 2:07 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 23 min |
| Jun 9, 2:21 PM EDT | Flash Flood Warning | PHI | New Castle | 73 min |
| Jun 9, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 64 min |
| Jun 9, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 62 min |
| Jun 9, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 64 min |
| Jun 9, 3:24 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 9, 4:32 PM EDT | Areal Flood Advisory | PHI | Sussex | 108 min |
| Jun 9, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 27 min |
Nearby
River Flood Warnings in Delaware, 2021Every river flood warning in 2021
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.