Alert archive / Delaware / River Flood Warnings in 2018

River Flood Warning 33, NWS Philadelphia/Mount Holly

August 13, 2018New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 13, 2018, 9:05 AM EDT for New Castle County, Delaware. It took effect at Aug 13, 2018, 9:40 AM EDT. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 13, 2018, 9:05 AM EDT (13:05 UTC)
In effect from
Aug 13, 2018, 9:40 AM EDT
Expired
Aug 13, 2018, 3:29 PM EDT
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 13:06 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 8.44 ft at Aug 13, 2018, 12:00 PM EDT.

actionminormoderate246808/1308/14
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.

380 
WGUS41 KPHI 131305
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
905 AM EDT Mon Aug 13 2018

...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.

&&

DEC003-131904-
/O.NEW.KPHI.FL.W.0033.180813T1340Z-180813T2019Z/
/RCCD1.1.ER.180813T1340Z.180813T1400Z.180813T1419Z.NO/
905 AM EDT Mon Aug 13 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Red Clay Creek at Wooddale.
* until this afternoon...or until the warning is cancelled.
* At 8:45 AM Monday the stage was 5.7 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage and continue to rise to
  near 7.5 feet this morning. The river will fall below 
  flood stage late this 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
  7.6 feet on Jun 3 2018.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Red Clay Creek
  Wooddale               7.0    5.68  Mon 9 AM     7.5    Mon 10 AM
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

Kruzdlo
2 follow-up statements
944 
WGUS41 KPHI 131541
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1141 AM EDT Mon Aug 13 2018

  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.

&&

DEC003-132141-
/O.EXT.KPHI.FL.W.0033.000000T0000Z-180813T2234Z/
/RCCD1.1.ER.180813T1315Z.180813T1600Z.180813T1634Z.NO/
1141 AM EDT Mon Aug 13 2018

The Flood Warning continues for 
 The Red Clay Creek at Wooddale.
* until this evening...or until the warning is cancelled.
* At 10:46 AM Monday the stage was 8.2 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 8.5 feet by this afternoon. 
  The river will fall below flood stage this afternoon.
* Impact...At 8.5 feet...Flooding begins near Old Capital Trail and Newport 
  Road.
* Flood history...This crest compares to a previous crest of 8.4 feet on Mar 28 
  2005.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0    8.17  Mon 11 AM    8.5    Mon 12 PM
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$
480 
WGUS81 KPHI 131929
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
329 PM EDT Mon Aug 13 2018

...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.

&&

DEC003-131959-
/O.CAN.KPHI.FL.W.0033.000000T0000Z-180813T2234Z/
/RCCD1.1.ER.180813T1315Z.180813T1600Z.180813T1822Z.NO/
329 PM EDT Mon Aug 13 2018

The Flood Warning is cancelled for
  The Red Clay Creek at Wooddale.
* At 2:45 PM Monday the stage was 6.2 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at 2:22 PM Monday.
* Forecast...Barring any additional rainfall, the river will 
  continue to fall this afternoon.

&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Red Clay Creek
  Wooddale               7.0    6.19  Mon 3 PM     Crested and falling 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

Kruzdlo

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 10:08 PM EDTFlash Flood WatchPHINew Castle24 hr
Aug 13, 5:12 AM EDTAreal Flood AdvisoryPHIKent, New Castle103 min
Aug 13, 6:24 AM EDTAreal Flood AdvisoryPHINew Castle4 hr
Aug 13, 6:50 AM EDTFlash Flood WarningPHINew Castle6 hr
Aug 13, 8:20 AM EDTRiver Flood WarningPHINew Castle7 hr
Aug 13, 8:28 AM EDTRiver Flood WarningPHINew Castle6 hr
Aug 13, 12:37 PM EDTAreal Flood WarningPHINew Castle18 hr

Nearby

River Flood Warnings in Delaware, 2018Every river flood warning in 2018

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.