Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 57, NWS Philadelphia/Mount Holly

December 25, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 25, 2020, 1:28 AM EST for New Castle County, Delaware. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Dec 25, 2020, 1:28 AM EST (06:28 UTC)
Expired
Dec 25, 2020, 9:27 AM EST
In force
8 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), 100 km from the middle of the area, began a volume at 06:30 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 White Clay Creek near Newark (DPKD1). The gauge peaked at 13.92 ft at Dec 25, 2020, 5:00 AM EST.

actionminormoderate5101512/2512/26
Action stage
11 ft
Minor stage
13 ft
Moderate stage
15 ft
Major stage
16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01479000, 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.

007 
WGUS41 KPHI 250628
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
128 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...

  White Clay Creek Near Newark affecting New Castle County.

For the White Clay Creek...including Newark...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.


DEC003-251600-
/O.NEW.KPHI.FL.W.0057.201225T0628Z-201225T1600Z/
/DPKD1.1.ER.201225T0620Z.201225T0700Z.201225T0923Z.NO/
128 AM EST Fri Dec 25 2020

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the White Clay Creek Near Newark.
* From early this morning to this morning.
* At 1:15 AM EST Friday the stage was 12.9 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this morning and continue rising to 13.8 feet early this morning. 
  The river should fall below flood stage late this morning.
* Impact at 13.3 feet...Delaware Route 7, Stanton Christiana Road, 
  begins to flood. Impact at 13.5 feet...Businesses on Delaware 
  Route 7 begin to flood.
* Flood History...This crest compares to a previous crest of 13.9 
  feet on 12/04/1996.

&&


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

White Clay Creek
Newark          13.0  12.9 Fri 1 am   6.1  MSG        13.8 2am 12/25





&&

LAT...LON 3972 7576 3972 7566 3967 7564 3965 7573

$$

CMS
1 follow-up statement
181 
WGUS81 KPHI 251427
FLSPHI

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

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

  White Clay Creek Near Newark affecting New Castle County.

DEC003-251530-
/O.CAN.KPHI.FL.W.0057.000000T0000Z-201225T1427Z/
/DPKD1.1.ER.201225T0620Z.201225T0700Z.201225T0923Z.NO/
927 AM EST Fri Dec 25 2020

...The Flood Warning for the White Clay Creek Near Newark has been 
cancelled...

The Flood Warning is cancelled for
  the White Clay Creek Near Newark.
* At 9:15 AM EST Friday the stage was 12.4 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to fall to 6.1 feet tomorrow 
  morning.

&&


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

White Clay Creek
Newark          13.0  12.4 Fri 9 am   6.1  MSG        Crested  





&&

LAT...LON 3972 7576 3972 7566 3967 7564 3965 7573

$$

Kruzdlo

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, 12:08 AM ESTRiver Flood WarningPHINew Castle7 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.