Alert archive / Delaware / River Flood Warnings in 2023

River Flood Warning 73, NWS Philadelphia/Mount Holly

December 27, 2023New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 27, 2023, 10:25 PM EST for New Castle County, Delaware. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Dec 27, 2023, 10:25 PM EST (03:25 UTC)
Expired: Dec 28, 2023, 5:25 AM EST
In force: 7 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 03:25 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 12.06 ft at Dec 28, 2023, 3:00 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.

392 
WGUS41 KPHI 280325
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1025 PM EST Wed Dec 27 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 Thursday morning at 1030 AM EST.

&&

DEC003-281530-
/O.NEW.KPHI.FL.W.0073.231228T0325Z-231228T1530Z/
/CHBD1.1.ER.231228T0448Z.231228T0700Z.231228T0912Z.NO/
1025 PM EST Wed Dec 27 2023

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO LATE TOMORROW 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Christina River at Coochs Bridge.

* WHEN...From this evening to late tomorrow morning.

* 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.

* ADDITIONAL DETAILS...
  - At 10:15 PM EST Wednesday the stage was 9.1 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 11.9 feet by midnight
    tonight. It will then fall below flood stage Thursday
    morning.
  - Flood stage is 11.0 feet.
  - Flood History...This crest compares to a previous crest of
    11.8 feet on 09/07/2011.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (10 pm)       Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Christina River
Coochs Bridge   11.0  9.1  Wed 10 p   4.3  MSG        11.9 2am 12/28


&&

LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569


$$

Staarmann

2 follow-up statements

874 
WGUS81 KPHI 280501
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1201 AM EST Thu Dec 28 2023

...The Flood Warning continues 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 this morning at 1030 AM EST.

&&

DEC003-281530-
/O.CON.KPHI.FL.W.0073.000000T0000Z-231228T1530Z/
/CHBD1.1.ER.231228T0403Z.231228T0700Z.231228T0912Z.NO/
1201 AM EST Thu Dec 28 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TOMORROW MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Christina River at Coochs Bridge.

* WHEN...Until late Thursday morning.

* 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.

* ADDITIONAL DETAILS...
  - At 11:15 PM EST Wednesday the stage was 11.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:15 PM EST Wednesday was 11.2 feet.
  - Forecast...The river is expected to rise to a crest of 11.9
    feet early this morning. It will then fall below flood stage
    later this morning.
  - Flood stage is 11.0 feet.
  - Flood History...This crest compares to a previous crest of
    11.8 feet on 09/07/2011.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (12 am)       Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Christina River
Coochs Bridge   11.0  11.2 Wed 11 p   4.3  MSG        11.9 2am 12/28


&&

LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569


$$

Staarmann

057 
WGUS81 KPHI 281025
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
525 AM EST Thu Dec 28 2023

...The Flood Warning is cancelled for the following rivers in 
Delaware...

  Christina River At Coochs Bridge affecting New Castle County.



DEC003-281130-
/O.CAN.KPHI.FL.W.0073.000000T0000Z-231228T1025Z/
/CHBD1.1.ER.231228T0403Z.231228T0800Z.231228T0951Z.NO/
525 AM EST Thu Dec 28 2023

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Christina River At Coochs Bridge.

* ADDITIONAL DETAILS...
  - At 5:15 AM EST Thursday the stage was 10.5 feet.
  - The river has crested and fallen below flood stage as of 5 AM
    early this morning.
  - Forecast...The river is expected to fall to 4.3 feet tomorrow
    morning.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (5 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Christina River
Coochs Bridge   11.0  10.5 Thu 5 am   4.3  MSG         MSG  unknown


&&

LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569


$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 27, 9:12 PM EST	Areal Flood Warning	PHI	New Castle	8 hr
Dec 27, 10:38 PM EST	River Flood Warning	PHI	New Castle	8 hr
Dec 28, 1:34 AM EST	River Flood Warning	PHI	New Castle	3 hr
Dec 28, 2:33 AM EST	Coastal Flood Advisory	PHI	Kent, New Castle, Sussex	39 hr

Nearby

River Flood Warnings in Delaware, 2023 Every 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.