Alert archive / Delaware / River Flood Warnings in 2013

River Flood Warning 49, NWS Philadelphia/Mount Holly

November 27, 2013New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Nov 27, 2013, 5:45 AM EST for New Castle County, Delaware. It took effect at Nov 27, 2013, 7:22 AM EST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Nov 27, 2013, 5:45 AM EST (10:45 UTC)
In effect from
Nov 27, 2013, 7:22 AM EST
Expired
Nov 27, 2013, 9:40 AM EST
In force
2 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
Minor

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 10:46 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 6.20 ft at Nov 27, 2013, 7:00 AM EST.

actionminormoderate246811/2711/28
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, in the capitals the NWS used until 2016.

384 
WGUS41 KPHI 271045
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
545 AM EST WED NOV 27 2013

...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.

&&

DEC003-271645-
/O.NEW.KPHI.FL.W.0049.131127T1222Z-131127T2242Z/
/RCCD1.1.ER.131127T1222Z.131127T1500Z.131127T1642Z.NO/
545 AM EST WED NOV 27 2013

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 5:16 AM WEDNESDAY THE STAGE WAS 5.8 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE EARLY THIS MORNING AND CONTINUE TO RISE TO
  NEAR 7.4 FEET. THE RIVER WILL FALL BELOW FLOOD STAGE BY LATE THIS MORNING.
* IMPACT...AT 7.5 FEET...BARLEY MILL ROAD BEGINS TO FLOOD

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG   DAY TIME      CREST

RED CLAY CREEK
  WOODDALE         7.0    5.85  WED 5 AM      7.4  WED 10 AM

&&
1 follow-up statement
781 
WGUS81 KPHI 271440
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
940 AM EST WED NOV 27 2013

...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.

&&

DEC003-271510-
/O.CAN.KPHI.FL.W.0049.000000T0000Z-131127T2242Z/
/RCCD1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
940 AM EST WED NOV 27 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE RED CLAY CREEK AT WOODDALE.
* AT  9:16 AM WEDNESDAY THE STAGE WAS 5.1 FEET AND FALLING. 
* FLOOD STAGE IS 7.0 FEET. 
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE AT 6.2 FEET.  THE RIVER WILL 
  CONTINUE TO FALL...REACHING 2.9 FEET THURSDAY.  
* IMPACT...AT 7.5 FEET...BARLEY MILL ROAD BEGINS TO FLOOD

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RED CLAY CREEK
  WOODDALE         7.0    5.09  WED 9 AM     4.8    WED 10 AM

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 3:46 AM ESTAreal Flood AdvisoryPHINew Castle6 hr
Nov 27, 3:57 AM ESTRiver Flood WarningPHINew Castle6 hr
Nov 27, 4:44 AM ESTAreal Flood AdvisoryPHIKent4 hr

Nearby

River Flood Warnings in Delaware, 2013Every river flood warning in 2013

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.