River Flood Warning 21, NWS Philadelphia/Mount Holly

Issued

Jul 3, 2023, 10:48 PM EDT (02:48 UTC)

Expired

Jul 4, 2023, 2:31 AM EDT

In force

4 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

Minor

County New Castle County, DE

The Dover AFB radar (KDOX), 95 km from the middle of the area, began a volume at 02:49 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.

Written for the forecast point Christina River at Coochs Bridge (CHBD1). The gauge peaked at 9.04 ft at Jul 4, 2023, 12:00 AM 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.

488 
WGUS41 KPHI 040248
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1048 PM EDT Mon Jul 3 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.

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.

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

The next statement will be issued late tonight by 400 AM EDT.

&&


DEC003-040800-
/O.NEW.KPHI.FL.W.0021.230704T0248Z-230704T0800Z/
/CHBD1.1.ER.230704T0424Z.230704T0600Z.230704T0812Z.NO/
1048 PM EDT Mon Jul 3 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.
  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 EDT Monday the stage was 7.5 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 11.8 feet just
    after midnight tonight. It will then fall below flood stage
    late tonight.
  - 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 (11 pm)       Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Christina River
Coochs Bridge   11.0  7.5  Mon 10 p   4.2  MSG        11.8 2am 7/04


&&

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


$$

AKL

606 
WGUS81 KPHI 040631
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
231 AM EDT Tue Jul 4 2023

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

  Christina River At Coochs Bridge affecting New Castle County.

DEC003-040745-
/O.CAN.KPHI.FL.W.0021.000000T0000Z-230704T0631Z/
/CHBD1.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
231 AM EDT Tue Jul 4 2023

...FLOOD WARNING IS CANCELLED...

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

* ADDITIONAL DETAILS...
  - At 2:00 AM EDT Tuesday the stage was 8.7 feet.
  - Forecast...The river is expected to fall to 4.2 feet tomorrow
    morning.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Christina River
Coochs Bridge   11.0  8.7  Tue 2 am   4.2  MSG         MSG  unknown


&&

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


$$

MPS

River Flood Warnings in Delaware, 2023Every river flood warning in 2023

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.