Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 4, NWS Philadelphia/Mount Holly

January 25, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jan 25, 2020, 12:12 PM EST for New Castle County, Delaware. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 25, 2020, 12:12 PM EST (17:12 UTC)
Expired
Jan 25, 2020, 4:11 PM EST
In force
4 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 17:14 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 7.58 ft at Jan 25, 2020, 2:00 PM EST.

actionminormoderate246801/2501/26
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.

486 
WGUS41 KPHI 251712
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1212 PM EST Sat Jan 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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

DEC003-252312-
/O.NEW.KPHI.FL.W.0004.200125T1713Z-200126T0028Z/
/RCCD1.1.ER.200125T1713Z.200125T1800Z.200125T1828Z.NO/
1212 PM EST Sat Jan 25 2020

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Red Clay Creek at Wooddale.
* until this evening...Or until the warning is cancelled.
* At 12:01 PM Saturday the stage was 6.9 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this afternoon and continue to rise to 
  near 7.2 feet by this afternoon.the river will fall below flood stage by this 
  afternoon.
* Impact...At 7.5 feet...Barley Mill Road begins to flood. Brandywine Springs 
  Park floods.
* Flood history...This crest compares to a previous crest of 7.2 feet on Sep 23 
  2003.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0    6.94  Sat 12 PM    7.2    Sat 1 PM 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$
1 follow-up statement
926 
WGUS81 KPHI 252111
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
411 PM EST Sat Jan 25 2020

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

  Red Clay Creek At Wooddale affecting New Castle County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

DEC003-252141-
/O.CAN.KPHI.FL.W.0004.000000T0000Z-200126T0028Z/
/RCCD1.1.ER.200125T1705Z.200125T1845Z.200125T2043Z.NO/
411 PM EST Sat Jan 25 2020

The Flood Warning is cancelled for
  The Red Clay Creek at Wooddale.
* At  3:45 PM Saturday the stage was 7.0 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at  3:43 PM Saturday.
* Forecast...The river will continue to fall to 3.1 feet by tomorrow morning.
* Impact...At 7.5 feet...Barley Mill Road begins to flood. Brandywine Springs 
  Park floods.
* Flood history...This crest compares to a previous crest of 7.0 feet on Mar 13 
  2010.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0    6.99  Sat 4 PM     Crested 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 10:29 AM ESTRiver Flood WarningPHINew Castle7 hr
Jan 25, 10:32 AM ESTAreal Flood WarningPHINew Castle4 hr
Jan 25, 3:00 PM ESTAreal Flood WarningPHINew Castle2 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.