Alert archive / Delaware / River Flood Warnings in 2023

River Flood Warning 78, NWS Philadelphia/Mount Holly

December 28, 2023New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 28, 2023, 1:34 AM EST for New Castle County, Delaware. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Dec 28, 2023, 1:34 AM EST (06:34 UTC)
Expired
Dec 28, 2023, 4:10 AM EST
In force
3 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), 102 km from the middle of the area, began a volume at 06:33 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 Red Clay Creek at Wooddale (RCCD1). The gauge peaked at 6.92 ft at Dec 28, 2023, 2:00 AM EST.

actionminormoderate246812/28
Action stage
5.5 ft
Minor stage
7 ft
Moderate stage
8.5 ft
Major stage
10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01480000, 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.

523 
WGUS41 KPHI 280634
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
134 AM EST Thu Dec 28 2023

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in Delaware...

  Red Clay Creek At Wooddale affecting New Castle County.



For the Red Clay Creek...including Wooddale...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.

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

The next statement will be issued this morning at 1000 AM EST.

&&

DEC003-281500-
/O.NEW.KPHI.FL.W.0078.231228T0634Z-231228T1500Z/
/RCCD1.1.ER.231228T0631Z.231228T0800Z.231228T0847Z.NO/
134 AM EST Thu Dec 28 2023

...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO LATE THIS 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Red Clay Creek at Wooddale.

* WHEN...From early this morning to late this morning.

* IMPACTS...At 5.5 feet, Flooding begins in adjacent open fields.
  At 7.5 feet, Barley Mill Road begins to flood. Brandywine Springs 
  Park floods.

* ADDITIONAL DETAILS...
  - At 1:15 AM EST Thursday the stage was 6.8 feet.
  - Forecast...The river is expected to rise to a crest of 7.4
    feet early this morning. It will then fall below flood stage
    later this morning.
  - Flood stage is 7.0 feet.
  - Flood History...This crest compares to a previous crest of
    7.3 feet on 03/11/2011.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Red Clay Creek
Wooddale        7.0   6.8  Thu 1 am   3.1  MSG        7.4 3am 12/28


&&

LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565


$$

AKL
1 follow-up statement
385 
WGUS81 KPHI 280910
FLSPHI

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

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

  Red Clay Creek At Wooddale affecting New Castle County.



DEC003-281015-
/O.CAN.KPHI.FL.W.0078.000000T0000Z-231228T0910Z/
/RCCD1.1.ER.231228T0631Z.000000T0000Z.000000T0000Z.NO/
410 AM EST Thu Dec 28 2023

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Red Clay Creek At Wooddale.

* ADDITIONAL DETAILS...
  - At 3:45 AM EST Thursday the stage was 6.6 feet.
  - The creek has crested just shy of flood stage and will
    continue to recede early this morning.
  - Forecast...The river is expected to fall to 3.1 feet just
    after midnight tonight.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (unknown      Crest
Location        Stg   Stg Day/Time    d1   d2         Stg Time Date

Red Clay Creek
Wooddale        7.0   6.6  Thu 3 am   MSG  MSG         MSG  unknown


&&

LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565


$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 27, 9:12 PM ESTAreal Flood WarningPHINew Castle8 hr
Dec 27, 10:25 PM ESTRiver Flood WarningPHINew Castle7 hr
Dec 27, 10:38 PM ESTRiver Flood WarningPHINew Castle8 hr
Dec 28, 2:33 AM ESTCoastal Flood AdvisoryPHIKent, New Castle, Sussex39 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.