Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 33, NWS Philadelphia/Mount Holly

August 7, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 7, 2020, 8:00 PM EDT for New Castle County, Delaware. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Aug 7, 2020, 8:00 PM EDT (00:00 UTC)
Expired: Aug 8, 2020, 4:05 AM EDT
In force: 8 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Major

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 102 km from the middle of the area, began a volume at 00:00 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 12.11 ft at Aug 7, 2020, 11:00 PM EDT.

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.

314 
WGUS41 KPHI 080000
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
800 PM EDT Fri Aug 7 2020

...The National Weather Service in Mount Holly NJ has issued a flood warning for
the Red Clay Creek At Wooddale...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

DEC003-080600-
/O.NEW.KPHI.FL.W.0033.200808T0000Z-200808T1104Z/
/RCCD1.3.ER.200807T2317Z.200808T0100Z.200808T0504Z.NO/
800 PM EDT Fri Aug 7 2020

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Red Clay Creek at Wooddale.
* until Saturday morning.or until the warning is cancelled.
* At 7:45 PM, the creek level was 8.7 feet.
* Flood stage is 7.0 feet.
* Moderate flooding is occurring and major flooding is forecast.
* Forecast...The creek will continue rising to near 11.4 feet tonight. The 
  creek should fall back below flood stage toward morning.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0    8.71  Fri 8 PM    11.4    Fri 9 PM 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

Iovino

2 follow-up statements

138 
WGUS81 KPHI 080318
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1118 PM EDT Fri Aug 7 2020

...The Flood Warning continues for the Red Clay Creek at Wooddale...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

DEC003-081242-
/O.EXT.KPHI.FL.W.0033.000000T0000Z-200808T1242Z/
/RCCD1.3.ER.200807T2317Z.200808T0400Z.200808T0642Z.NO/
1118 PM EDT Fri Aug 7 2020

The Flood Warning continues for
  The Red Clay Creek at Wooddale.
* At 10:45 PM Friday, the creek level was 12.0 feet.
* Flood stage is 7.0 feet.
* Major flooding is occurring.
* Forecast...The creek will continue rising to near 12.2 feet overnight. The
  creek should fall back below flood stage by morning.
* Impact...At 11.0 feet...Barley Mill Road at Little Brook Drive begins to 
  flood. Foxhill Lane and the Wooddale Covered Bridge are closed due to high 
  water. Significant flooding occurs in Brandywine Springs Park.
* Flood history...This crest compares to a previous crest of 11.4 feet on May 1, 
  2014.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0   12.04  Fri 11 PM   12.2    Sat 12 AM
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

Iovino

684 
WGUS81 KPHI 080805
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
405 AM EDT Sat Aug 8 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.

&&

DEC003-080835-
/O.CAN.KPHI.FL.W.0033.000000T0000Z-200808T1242Z/
/RCCD1.3.ER.200807T2317Z.200808T0330Z.200808T0706Z.NO/
405 AM EDT Sat Aug 8 2020

The Flood Warning is cancelled for
  The Red Clay Creek at Wooddale.
* At  3:45 AM Saturday the stage was 5.1 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at  3:06 AM Saturday.
* Forecast...The river will continue to fall to 4.0 feet by tomorrow morning.
* Impact...At 5.5 feet...Flooding occurs in adjacent open fields.

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0    5.08  Sat 4 AM     Crested 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      

$$

Johnson

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 8:17 PM EDT	Special Weather Statement	PHI	Kent	58 min
Aug 7, 8:35 PM EDT	Areal Flood Advisory	PHI	Sussex	4 hr
Aug 7, 9:44 PM EDT	Areal Flood Warning	PHI	New Castle	7 hr
Aug 7, 11:27 PM EDT	River Flood Warning	PHI	New Castle	6 hr

Nearby

River Flood Warnings in Delaware, 2020 Every 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.