Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 54, NWS Philadelphia/Mount Holly

December 25, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 25, 2020, 12:08 AM EST for New Castle County, Delaware. It took effect at Dec 25, 2020, 12:17 AM EST. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 25, 2020, 12:08 AM EST (05:08 UTC)
In effect from
Dec 25, 2020, 12:17 AM EST
Expired
Dec 25, 2020, 6:39 AM EST
In force
6 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 05:11 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 8.01 ft at Dec 25, 2020, 2:00 AM EST.

actionminormoderate246812/2512/26
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.

569 
WGUS41 KPHI 250508
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1208 AM EST Fri Dec 25 2020

...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.

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


DEC003-251500-
/O.NEW.KPHI.FL.W.0054.201225T0517Z-201225T1500Z/
/RCCD1.1.ER.201225T0517Z.201225T0600Z.201225T0818Z.NO/
1208 AM EST Fri Dec 25 2020

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Red Clay Creek At Wooddale.
* Until this morning.
* At 11:45 PM EST Thursday the stage was 6.1 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this morning to a crest of 8.2 feet early this morning. It will 
  then fall below flood stage early this morning.
* Impact at 7.5 feet...Barley Mill Road begins to flood. Brandywine 
  Springs Park floods. Impact at 8.5 feet...Flooding begins near Old 
  Capital Trail and Newport Road.
* Flood History...This crest compares to a previous crest of 7.8 
  feet on 08/13/2004.

&&


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

Red Clay Creek
Wooddale        7.0   6.1  Thu 11 p   3.7  MSG        8.2 1am 12/25





&&

LAT...LON 3976 7568 3977 7559 3968 7556 3968 7565

$$

CMS
1 follow-up statement
407 
WGUS81 KPHI 251139
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
639 AM EST Fri Dec 25 2020

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

  Red Clay Creek At Wooddale affecting New Castle County.

DEC003-251245-
/O.CAN.KPHI.FL.W.0054.000000T0000Z-201225T1139Z/
/RCCD1.1.ER.201225T0517Z.201225T0600Z.201225T0818Z.NO/
639 AM EST Fri Dec 25 2020

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

The Flood Warning is cancelled for
  the Red Clay Creek At Wooddale.
* At 6:31 AM EST Friday the stage was 6.9 feet.
* Flood stage is 7.0 feet.
* Forecast...The river is expected to fall to 3.4 feet tomorrow 
  morning.

&&


Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Red Clay Creek
Wooddale        7.0   6.9  Fri 6 am   3.4  MSG        Crested   





&&

LAT...LON 3976 7568 3977 7559 3968 7556 3968 7565

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 8:39 PM ESTAreal Flood AdvisoryPHIKent, New Castle6 hr
Dec 24, 9:38 PM ESTAreal Flood WarningPHINew Castle14 hr
Dec 24, 10:52 PM ESTRiver Flood WarningPHINew Castle7 hr
Dec 25, 12:03 AM ESTCoastal Flood StatementPHISussex12 hr
Dec 25, 1:28 AM ESTRiver Flood WarningPHINew Castle8 hr

Nearby

River Flood Warnings in Delaware, 2020Every 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.