Alert archive / Delaware / River Flood Warnings in 2018

River Flood Warning 61, NWS Philadelphia/Mount Holly

November 24, 2018New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Nov 24, 2018, 10:08 PM EST for New Castle County, Delaware. It took effect at Nov 24, 2018, 10:45 PM EST. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Nov 24, 2018, 10:08 PM EST (03:08 UTC)
In effect from
Nov 24, 2018, 10:45 PM EST
Expired
Nov 25, 2018, 4:04 AM EST
In force
5 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 03:10 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 7.93 ft at Nov 25, 2018, 1:00 AM EST.

actionminormoderate246811/2511/26
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.

590 
WGUS41 KPHI 250308
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1008 PM EST Sat Nov 24 2018

...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.

&&

DEC003-250908-
/O.NEW.KPHI.FL.W.0061.181125T0345Z-181125T1246Z/
/RCCD1.1.ER.181125T0345Z.181125T0500Z.181125T0646Z.NO/
1008 PM EST Sat Nov 24 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Red Clay Creek at Wooddale.
* until Sunday morning or until the warning is cancelled.
* At 9:45 PM the creek level was 6.03 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The creek is forecast to rise above flood stage by
  midnight, recahing 7.6 feet. The creek is expected to fall
  back below flood stage toward 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 Decemebr 11, 2003.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0   6.03  Sat 945 PM   7.6   Sun 12 AM
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      
$$

Iovino
1 follow-up statement
067 
WGUS81 KPHI 250904
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
404 AM EST Sun Nov 25 2018

...The Flood Warning is cancelled for the Red Clay Creek at
Wooddale...

&&

DEC003-250934-
/O.CAN.KPHI.FL.W.0061.000000T0000Z-181125T1246Z/
/RCCD1.1.ER.181125T0327Z.181125T0531Z.181125T0820Z.NO/
404 AM EST Sun Nov 25 2018

The Flood Warning is cancelled for
  The Red Clay Creek at Wooddale.
* At 3:45 AM Sunday the river level was 6.59 feet.
* Flood stage is 7.0 feet.
* The river fell below flood stage at 3:20 AM.
* Forecast...The river level will continue to fall.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Red Clay Creek
  Wooddale               7.0   6.59  Sun 345 AM    Crested 
 
&&
 
LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565
                                      
$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 24, 8:03 PM ESTRiver Flood WarningPHINew Castle8 hr
Nov 24, 9:14 PM ESTRiver Flood WarningPHINew Castle8 hr
Nov 24, 11:01 PM ESTWind AdvisoryPHISussex5 hr
Nov 25, 9:39 AM ESTCoastal Flood AdvisoryPHISussex5 hr
Nov 25, 3:25 PM ESTCoastal Flood AdvisoryPHIKent, New Castle, Sussex34 hr
Nov 25, 3:35 PM ESTFlood WatchPHINew Castle27 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.