Alert archive / Delaware / River Flood Warnings in 2023
River Flood Warning 34, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 18, 2023, 12:48 AM EST for New Castle County, Delaware. It was in force for 11 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 18, 2023, 12:48 AM EST (05:48 UTC)
- Expired
- Dec 18, 2023, 12:09 PM EST
- In force
- 11 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 05:50 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 12.21 ft at Dec 18, 2023, 6:00 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.
643
WGUS41 KPHI 180548
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1248 AM EST Mon Dec 18 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...Moderate
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Additional information is available at www.weather.gov/phi.
The next statement will be issued this afternoon at 100 PM EST.
&&
DEC003-181800-
/O.NEW.KPHI.FL.W.0034.231218T0548Z-231218T2212Z/
/CHBD1.2.ER.231218T0546Z.231218T0900Z.231218T1611Z.NO/
1248 AM EST Mon Dec 18 2023
...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO LATE THIS
AFTERNOON...
* WHAT...Moderate flooding is forecast.
* WHERE...Christina River at Coochs Bridge.
* WHEN...From early this morning to late this afternoon.
* 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.
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.
At 13.0 feet, Flooding increases. Evacuations also increase in the
towns of Newark and Christiana. Roads become impassable.
* ADDITIONAL DETAILS...
- At 12:15 AM EST Monday the stage was 9.6 feet.
- Forecast...The river is expected to rise above flood stage
early this morning to a crest of 12.9 feet early this
morning. It will then fall below flood stage late this
morning.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
12.9 feet on 09/02/2021.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (unknown Crest
Location Stg Stg Day/Time d1 d2 Stg Time Date
Christina River
Coochs Bridge 11.0 9.6 Mon 12 a MSG MSG 12.9 4am 12/18
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
MPS1 follow-up statement
978
WGUS81 KPHI 181709
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1209 PM EST Mon Dec 18 2023
...The Flood Warning is cancelled for the following rivers in
Delaware...
Christina River At Coochs Bridge affecting New Castle County.
DEC003-181815-
/O.CAN.KPHI.FL.W.0034.000000T0000Z-231218T1709Z/
/CHBD1.2.ER.231218T0546Z.231218T1130Z.231218T1504Z.NO/
1209 PM EST Mon Dec 18 2023
...FLOOD WARNING IS CANCELLED...
The Flood Warning is cancelled for
the Christina River At Coochs Bridge.
* ADDITIONAL DETAILS...
- At 11:15 AM EST Monday the stage was 10.0 feet.
- Forecast...The river is expected to fall to 3.4 feet this
evening.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (unknown Crest
Location Stg Stg Day/Time d1 d2 Stg Time Date
Christina River
Coochs Bridge 11.0 10.0 Mon 11 a MSG MSG Crested & falling
&&
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
3968 7557 3959 7569
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 1:29 AM EST | Areal Flood Warning | PHI | Kent, Sussex | 11 hr |
| Dec 18, 2:08 AM EST | Areal Flood Warning | PHI | New Castle | 12 hr |
| Dec 18, 2:45 AM EST | Areal Flood Warning | PHI | New Castle | 6 hr |
| Dec 18, 5:22 AM EST | River Flood Warning | PHI | New Castle | 7 hr |
| Dec 18, 5:25 AM EST | River Flood Warning | PHI | New Castle | 8 hr |
| Dec 18, 6:24 AM EST | River Flood Warning | PHI | New Castle | 15 hr |
| Dec 18, 1:46 PM EST | Areal Flood Warning | PHI | Sussex | 13 hr |
| Dec 18, 4:32 PM EST | Areal Flood Warning | PHI | Kent | 25 hr |
| Dec 18, 6:13 PM EST | Coastal Flood Advisory | PHI | Sussex | 10 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.