Alert archive / Delaware / River Flood Warnings in 2021
River Flood Warning 52, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Sep 1, 2021, 6:15 PM EDT for New Castle County, Delaware. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 6:15 PM EDT (22:15 UTC)
- Expired
- Sep 2, 2021, 3:30 AM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Moderate
County New Castle County, DE
The radar
The Dover AFB radar (KDOX), 95 km from the middle of the area, began a volume at 22:14 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 Christina River at Coochs Bridge (CHBD1). The gauge peaked at 12.84 ft at Sep 1, 2021, 10:00 PM EDT.
- Action stage
- 9 ft
- Minor stage
- 11 ft
- Moderate stage
- 12 ft
- Major stage
- 13 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01478000, 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.
441
WGUS41 KPHI 012215
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
615 PM EDT Wed Sep 1 2021
...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the following rivers in Delaware...
Christina River At Coochs Bridge affecting New Castle County.
For the Christina River...including Coochs Bridge...Moderate
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
DEC003-020345-
/O.NEW.KPHI.FL.W.0052.210901T2215Z-210902T0343Z/
/CHBD1.2.ER.210901T1249Z.210902T0000Z.210902T0142Z.NO/
615 PM EDT Wed Sep 1 2021
The National Weather Service in Mount Holly has issued a
* Flood Warning for
the Christina River At Coochs Bridge.
* For this evening.
* At 5:31 PM EDT Wednesday the stage was 9.0 feet.
* Flood stage is 11.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
evening to a crest of 12.5 feet this evening. It will then fall
below flood stage late this evening.
* Impact...At 9.0 feet, Flooding begins in fields and floodplain
adjacent to the river.
* Impact...At 11.0 feet, Flooding begins in the town of Christiana.
East Main Street (Del 7) begins to flood as does Water Street.
Meadow Road near New Castle Airport is subject to flooding.
Barksdale Road near Casho Mill Road is also subject to flooding as
are residential backyards.
* Impact...At 11.5 feet, Portions of Duross Heights near New Castle
Airport begin to flood including Don Avenue. Airport Road at the
New Castle Airport begins to flood as the Christina River backs up
the Nonesuch Creek. Walther Road in the Bear area also floods.
Flooding also occurs around Smalley's Pond Dam in Christiana.
* Impact...At 12.0 feet, Significant flooding occurs on Meadow Road
in Christiana. Roads are closed. Homes are flooded. Salem Church
Road and Reybold Road floods in Christiana also flood and are
subject to closures. Residential backyards can flood in this area.
Flooding also occurs in Newark on West Chestnut Hill Road and
South College Avenue.
* Impact...At 12.5 feet, Evacuations are possible in Duross Heights.
Airport Road at the New Castle Airport floods is closed.
Businesses are flooded. Flooding increases in Newark. Flooding
also increases on Barksdale Road and can extend onto Casho Mill
Road. Businesses on South College Avenue take on water.
* Impact...At 13.0 feet, Flooding increases. Evacuations also
increase in the towns of Newark and Christiana. Roads become
impassable.
* Flood History...This crest compares to a previous crest of 12.4
feet on 12/25/2020.
&&
Fld Observed Forecasts (6 pm EDT)
Location Stg Stg Day/Time Thu Fri Sat
Christina River
Coochs Bridge 11.0 9.0 Wed 5 pm EDT 6.7 MSG MSG
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
NC2 follow-up statements
739
WGUS81 KPHI 020147
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
947 PM EDT Wed Sep 1 2021
...The Flood Warning is extended for the following rivers in
Delaware...
Christina River At Coochs Bridge affecting New Castle County.
For the Christina River...including Coochs Bridge...Moderate
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
DEC003-021000-
/O.EXT.KPHI.FL.W.0052.000000T0000Z-210902T1000Z/
/CHBD1.2.ER.210901T1249Z.210902T0131Z.210902T0400Z.NO/
947 PM EDT Wed Sep 1 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the Christina River At Coochs Bridge.
* Until Thursday morning.
* At 9:31 PM EDT Wednesday the stage was 12.8 feet.
* Flood stage is 11.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:31 PM EDT Wednesday was 12.8 feet.
* Forecast...The river is expected to fall below flood stage just
after midnight tonight and continue falling to 6.7 feet just after
midnight tonight.
* Impact...At 9.0 feet, Flooding begins in fields and floodplain
adjacent to the river.
* Impact...At 11.0 feet, Flooding begins in the town of Christiana.
East Main Street (Del 7) begins to flood as does Water Street.
Meadow Road near New Castle Airport is subject to flooding.
Barksdale Road near Casho Mill Road is also subject to flooding as
are residential backyards.
* Impact...At 11.5 feet, Portions of Duross Heights near New Castle
Airport begin to flood including Don Avenue. Airport Road at the
New Castle Airport begins to flood as the Christina River backs up
the Nonesuch Creek. Walther Road in the Bear area also floods.
Flooding also occurs around Smalley's Pond Dam in Christiana.
* Impact...At 12.0 feet, Significant flooding occurs on Meadow Road
in Christiana. Roads are closed. Homes are flooded. Salem Church
Road and Reybold Road floods in Christiana also flood and are
subject to closures. Residential backyards can flood in this area.
Flooding also occurs in Newark on West Chestnut Hill Road and
South College Avenue.
* Impact...At 12.5 feet, Evacuations are possible in Duross Heights.
Airport Road at the New Castle Airport floods is closed.
Businesses are flooded. Flooding increases in Newark. Flooding
also increases on Barksdale Road and can extend onto Casho Mill
Road. Businesses on South College Avenue take on water.
* Impact...At 13.0 feet, Flooding increases. Evacuations also
increase in the towns of Newark and Christiana. Roads become
impassable.
* Flood History...This crest compares to a previous crest of 13.1
feet on 10/01/2010.
&&
Fld Observed Forecasts (unknown time)
Location Stg Stg Day/Time d1 d2 d3
Christina River
Coochs Bridge 11.0 12.8 Wed 9 pm EDT MSG MSG MSG
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
NC734
WGUS81 KPHI 020730
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
330 AM EDT Thu Sep 2 2021
...The Flood Warning is cancelled for the following rivers in
Delaware...
Christina River At Coochs Bridge affecting New Castle County.
DEC003-020830-
/O.CAN.KPHI.FL.W.0052.000000T0000Z-210902T0730Z/
/CHBD1.2.ER.210901T1249Z.210902T0245Z.210902T0539Z.NO/
330 AM EDT Thu Sep 2 2021
...The Flood Warning for the Christina River At Coochs Bridge has
been cancelled...
The Flood Warning is cancelled for
the Christina River At Coochs Bridge.
* At 3:15 AM EDT Thursday the stage was 8.6 feet.
* Flood stage is 11.0 feet.
* Forecast...The river is expected to fall to 6.7 feet just after
midnight tonight.
&&
Fld Observed Forecasts (unknown time)
Location Stg Stg Day/Time d1 d2 d3
Christina River
Coochs Bridge 11.0 8.6 Thu 3 am EDT MSG MSG MSG
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 6:19 AM EDT | Areal Flood Advisory | PHI | New Castle | 116 min |
| Sep 1, 6:49 AM EDT | Flash Flood Warning | PHI | New Castle | 86 min |
| Sep 1, 8:03 AM EDT | River Flood Warning | PHI | New Castle | 4 hr |
| Sep 1, 2:53 PM EDT | Flash Flood Warning | PHI | New Castle | 9 hr |
| Sep 1, 4:59 PM EDT | Tornado Warning | PHI | Kent, Sussex | 46 min |
| Sep 1, 5:01 PM EDT | Tornado Warning | PHI | Kent, New Castle | 44 min |
| Sep 1, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 44 min |
| Sep 1, 5:26 PM EDT | Flash Flood Warning | PHI | New Castle | 9 hr |
| Sep 1, 5:35 PM EDT | Tornado Warning | PHI | Kent, New Castle | 25 min |
| Sep 1, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 42 min |
| Sep 1, 6:08 PM EDT | River Flood Warning | PHI | New Castle | 18 hr |
| Sep 1, 6:24 PM EDT | Tornado Warning | PHI | New Castle | 16 min |
| Sep 1, 6:38 PM EDT | River Flood Warning | PHI | New Castle | 28 hr |
| Sep 1, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 63 min |
| Sep 1, 7:44 PM EDT | River Flood Warning | PHI | New Castle | 11 hr |
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.