Alert archive / Delaware / River Flood Warnings in 2023
River Flood Warning 31, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 10, 2023, 10:21 PM EST for New Castle County, Delaware. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 10, 2023, 10:21 PM EST (03:21 UTC)
- Expired
- Dec 11, 2023, 3:57 AM EST
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County New Castle County, DE
The radar
The Dover AFB radar (KDOX), 95 km from the middle of the area, began a volume at 03:20 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 10.99 ft at Dec 11, 2023, 12:00 AM EST.
- 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.
647
WGUS41 KPHI 110321
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1021 PM EST Sun Dec 10 2023
...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...Minor flooding
is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
The next statement will be issued late tonight at 400 AM EST.
&&
DEC003-110900-
/O.NEW.KPHI.FL.W.0031.231211T0321Z-231211T0900Z/
/CHBD1.1.ER.231211T0439Z.231211T0600Z.231211T0737Z.NO/
1021 PM EST Sun Dec 10 2023
...FLOOD WARNING IN EFFECT FROM THIS EVENING TO LATE TONIGHT...
* WHAT...Minor flooding is forecast.
* WHERE...Christina River at Coochs Bridge.
* WHEN...From this evening to late tonight.
* IMPACTS...At 9.0 feet, Flooding begins in fields and floodplain
adjacent to the river.
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.
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.
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.
* ADDITIONAL DETAILS...
- At 10:00 PM EST Sunday the stage was 10.7 feet.
- Bankfull stage is 9.0 feet.
- Forecast...The river is expected to rise above flood stage
late this evening to a crest of 11.4 feet just after midnight
tonight. It will then fall below flood stage just after
midnight tonight.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
11.4 feet on 04/17/2011.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (10 pm) Crest
Location Stg Stg Day/Time Mon Tue Stg Time Date
Christina River
Coochs Bridge 11.0 10.7 Sun 10 p 8.2 MSG 11.4 1am 12/11
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
Hoeflich1 follow-up statement
694
WGUS81 KPHI 110857
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
357 AM EST Mon Dec 11 2023
...The Flood Warning is cancelled for the following rivers in
Delaware...
Christina River At Coochs Bridge affecting New Castle County.
DEC003-111000-
/O.CAN.KPHI.FL.W.0031.000000T0000Z-231211T0857Z/
/CHBD1.1.ER.231211T0515Z.231211T0530Z.231211T0530Z.NO/
357 AM EST Mon Dec 11 2023
...FLOOD WARNING IS CANCELLED...
The Flood Warning is cancelled for
the Christina River At Coochs Bridge.
* ADDITIONAL DETAILS...
- At 3:15 AM EST Monday the stage was 10.2 feet and receding.
- Bankfull stage is 9.0 feet.
- Forecast...The river rose to a crest of 11.0 feet at 12:15 am
this morning and is now receding.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (4 am) Crest
Location Stg Stg Day/Time Tue Wed Stg Time Date
Christina River
Coochs Bridge 11.0 10.2 Mon 3 am 7.9 MSG 10.6 4am 12/11
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
MJLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:08 PM EST | Areal Flood Advisory | PHI | New Castle | 4 hr |
Nearby
River Flood Warnings in Delaware, 2023Every river flood warning in 2023
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.