Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 37, NWS Philadelphia/Mount Holly

November 30, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Nov 30, 2020, 11:35 AM EST for New Castle County, Delaware. It took effect at Nov 30, 2020, 11:54 AM EST. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued: Nov 30, 2020, 11:35 AM EST (16:35 UTC)
In effect from: Nov 30, 2020, 11:54 AM EST
Expired: Nov 30, 2020, 10:16 PM EST
In force: 10 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 16:34 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 12.37 ft at Nov 30, 2020, 8:00 PM 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.

758 
WGUS41 KPHI 301635
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1135 AM EST Mon Nov 30 2020

...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...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.


DEC003-302115-
/O.NEW.KPHI.FL.W.0037.201130T1654Z-201130T2103Z/
/CHBD1.1.ER.201130T1654Z.201130T1900Z.201130T2102Z.NO/
1135 AM EST Mon Nov 30 2020

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Christina River At Coochs Bridge.
* Until this afternoon.
* At 11:15 AM EST Monday the stage was 9.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 11.8 feet this afternoon. It will then 
  fall below flood stage late this afternoon.
* 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.
* Flood History...This crest compares to a previous crest of 11.8 
  feet on 09/07/2011.

&&


Stream          Fld   Observed        Fcsts (12 pm)       Crest
Location        Stg   Stg Day/Time    Tue             Stg Time Date

Christina River
Coochs Bridge   11.0  9.8  Mon 11 a   4.5             11.8 2pm 11/30





&&

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

$$

PO

6 follow-up statements

746 
WGUS81 KPHI 302057
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
357 PM EST Mon Nov 30 2020

...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...Minor flooding 
is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Additional information is available at www.weather.gov/phi.


DEC003-302315-
/O.EXT.KPHI.FL.W.0037.000000T0000Z-201130T2303Z/
/CHBD1.1.ER.201130T1654Z.201130T1900Z.201130T2102Z.NO/
357 PM EST Mon Nov 30 2020

...The Flood Warning is now in effect until this evening...

The Flood Warning continues for
  the Christina River At Coochs Bridge.
* Until this evening.
* At 3:45 AM EST Monday the stage was 10.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to crest of 11.8 feet this 
  evening. It will then fall below flood stage overnight.
* 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.
* Flood History...This crest compares to a previous crest of 11.8 
  feet on 09/07/2011.

&&


Stream          Fld   Observed        Fcsts (4 pm)        Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Christina River
Coochs Bridge   11.0  9.8  Mon 11 a   4.5  MSG        11.8 2pm 11/30





&&

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

$$

PO

858 
WGUS41 KPHI 302230
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
530 PM EST Mon Nov 30 2020

...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...Minor flooding 
is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Additional information is available at www.weather.gov/phi.


DEC003-010315-
/O.EXT.KPHI.FL.W.0037.000000T0000Z-201201T0301Z/
/CHBD1.1.ER.201130T1654Z.201130T2300Z.201201T0300Z.NO/
530 PM EST Mon Nov 30 2020

...The Flood Warning is now in effect until late this evening...

The Flood Warning continues for
  the Christina River At Coochs Bridge.
* Until this evening.
* At 5:15 PM EST Monday the stage was 11.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 5:15 PM EST Monday was 11.8 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 5.3 feet early Wednesday 
  morning.
* 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.
* Flood History...This crest compares to a previous crest of 12.0 
  feet on 03/22/2000.

&&


Stream          Fld   Observed        Fcsts (5 pm)        Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Christina River
Coochs Bridge   11.0  11.8 Mon 5 pm   5.4  MSG        12.0 6pm 11/30





&&

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

$$

PO

012 
WGUS41 KPHI 302327
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
627 PM EST Mon Nov 30 2020

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration 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.

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov/phi.


DEC003-010945-
/O.EXT.KPHI.FL.W.0037.000000T0000Z-201201T0932Z/
/CHBD1.2.ER.201130T1654Z.201201T0000Z.201201T0332Z.NO/
627 PM EST Mon Nov 30 2020

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until late tonight...

The Flood Warning continues for
  the Christina River At Coochs Bridge.
* Until late tonight.
* At 6:15 PM EST Monday the stage was 12.1 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 6:15 PM EST Monday was 12.1 feet.
* Forecast...The river is expected to rise 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.
* Flood History...This crest compares to a previous crest of 12.2 
  feet on 12/17/2000.

&&


Stream          Fld   Observed        Fcsts (6 pm)        Crest
Location        Stg   Stg Day/Time    Tue             Stg Time Date

Christina River
Coochs Bridge   11.0  12.1 Mon 6 pm   4.7             12.5 7pm 11/30





&&

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

$$

PO

456 
WGUS81 KPHI 010049
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
749 PM EST Mon Nov 30 2020

...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...Moderate 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov/phi.


DEC003-010945-
/O.CON.KPHI.FL.W.0037.000000T0000Z-201201T0932Z/
/CHBD1.2.ER.201130T1654Z.201201T0000Z.201201T0332Z.NO/
749 PM EST Mon Nov 30 2020

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Christina River At Coochs Bridge.
* Until late tonight.
* At 6:15 PM EST Monday the stage was 12.1 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 6:15 PM EST Monday was 12.1 feet.
* Forecast...The river is expected to rise 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 12.2 
  feet on 12/17/2000.

&&


Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Tue             Stg Time Date

Christina River
Coochs Bridge   11.0  12.1 Mon 6 pm   4.7             12.5 7pm 11/30





&&

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

$$

BAH

882 
WGUS81 KPHI 010235
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
935 PM EST Mon Nov 30 2020

...The Flood Warning continues for the Christina River at Coochs 
Bridge...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or through 
flooded areas.

Additional information is available at www.weather.gov/phi.


DEC003-010845-
/O.EXT.KPHI.FL.W.0037.000000T0000Z-201201T0842Z/
/CHBD1.1.ER.201130T1654Z.201201T0000Z.201201T0242Z.NO/
935 PM EST Mon Nov 30 2020

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Christina River At Coochs Bridge.
* Until late tonight.
* At 9:15 PM EST Monday the stage was 11.6 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...The river is expected to fall below flood stage late 
  this evening.

* Impact at 11.0 feet...Flooding occurs in the town of Christiana. 
  East Main Street (Del 7) floods 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.

&&


Stream          Fld   Observed        Fcsts (10 pm)       Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Christina River
Coochs Bridge   11.0  11.6 Mon 9 pm   5.0  MSG        Crested 





&&

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

$$

Iovino

539 
WGUS81 KPHI 010316
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1016 PM EST Mon Nov 30 2020

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

DEC003-010430-
/O.CAN.KPHI.FL.W.0037.000000T0000Z-201201T0316Z/
/CHBD1.1.ER.700119T1419Z.700119T1419Z.700119T1419Z.NO/
1016 PM EST Mon Nov 30 2020

...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 9:45 PM Monday the creek level was 10.8 feet.
* Flood stage is 11.0 feet.
* Forecast...The creek level will continue to fall overnight.

&&


Stream          Fld   Observed        Fcsts (10 pm)       Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Christina River
Coochs Bridge   11.0  10.8 Mon 9 pm   5.0  MSG        Crested  





&&

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

$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 12:15 PM EST	Areal Flood Advisory	PHI	New Castle	3 hr
Nov 30, 2:01 PM EST	Coastal Flood Statement	PHI	Sussex	3 hr
Nov 30, 2:41 PM EST	Severe Thunderstorm Warning	PHI	New Castle	49 min
Nov 30, 2:48 PM EST	Areal Flood Warning	PHI	New Castle	8 hr
Nov 30, 3:01 PM EST	Severe Thunderstorm Warning	PHI	New Castle	44 min
Nov 30, 3:04 PM EST	Severe Thunderstorm Warning	PHI	Kent, New Castle	56 min
Nov 30, 3:21 PM EST	Tornado Warning Tornado observed	PHI	Kent	24 min
Nov 30, 3:47 PM EST	Tornado Warning	PHI	Kent	28 min
Nov 30, 5:24 PM EST	River Flood Warning	PHI	New Castle	5 hr
Nov 30, 5:39 PM EST	River Flood Warning	PHI	New Castle	4 hr

Nearby

River Flood Warnings in Delaware, 2020 Every river flood warning in 2020

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.