Alert archive / Delaware / River Flood Warnings in 2013

River Flood Warning 47, NWS Philadelphia/Mount Holly

November 27, 2013New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Nov 27, 2013, 3:57 AM EST for New Castle County, Delaware. It took effect at Nov 27, 2013, 5:10 AM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Nov 27, 2013, 3:57 AM EST (08:57 UTC)
In effect from: Nov 27, 2013, 5:10 AM EST
Expired: Nov 27, 2013, 10:10 AM EST
In force: 5 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 08:56 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 Christina River at Coochs Bridge (CHBD1). The gauge peaked at 11.51 ft at Nov 27, 2013, 7:00 AM EST.

Action stage: 9 ft
Minor stage: 11 ft
Moderate stage: 12 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01478000, 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.

089 
WGUS41 KPHI 270857
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
357 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... 

  CHRISTINA RIVER AT COOCHS BRIDGE 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.

&&

DEC003-271457-
/O.NEW.KPHI.FL.W.0047.131127T1010Z-131127T2155Z/
/CHBD1.1.ER.131127T1010Z.131127T1300Z.131127T1555Z.NO/
357 AM EST WED NOV 27 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:46 AM WEDNESDAY THE STAGE WAS 9.6 FEET. 
* FLOOD STAGE IS 10.5 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE EARLY THIS MORNING AND CONTINUE TO RISE 
  TO NEAR 11.3 FEET. THE RIVER WILL FALL BELOW FLOOD STAGE BY LATE THIS
  MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG     STG  DAY TIME      CREST

CHRISTINA RIVER
  COOCHS BRIDGE    10.5    9.60 WED 4 AM      11.3    WED 8 AM 

&&

2 follow-up statements

506 
WGUS41 KPHI 271239
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
739 AM EST WED NOV 27 2013

...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY FOR THE FOLLOWING 
RIVERS IN DELAWARE...
  CHRISTINA RIVER AT COOCHS BRIDGE 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.

&&

DEC003-271839-
/O.EXT.KPHI.FL.W.0047.000000T0000Z-131127T2139Z/
/CHBD1.2.ER.131127T1005Z.131127T1300Z.131127T1539Z.NO/
739 AM EST WED NOV 27 2013

...OBSERVED FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
THE FLOOD WARNING CONTINUES FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT  7:31 AM WEDNESDAY THE STAGE WAS 11.5 FEET. 
* FLOOD STAGE IS 10.5 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 11.9 FEET BY MID MORNING. 
  THE RIVER WILL FALL BELOW FLOOD STAGE BY LATE MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHRISTINA RIVER
  COOCHS BRIDGE    10.5   11.54  WED 8 AM    11.9    WED 8 AM 

&&

719 
WGUS81 KPHI 271510
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1010 AM EST WED NOV 27 2013

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN DELAWARE...
 
  CHRISTINA RIVER AT COOCHS BRIDGE 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.

&&

DEC003-271540-
/O.CAN.KPHI.FL.W.0047.000000T0000Z-131127T2139Z/
/CHBD1.2.ER.131127T1005Z.131127T1231Z.131127T1436Z.NO/
1010 AM EST WED NOV 27 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* AT 10:01 AM WEDNESDAY THE STAGE WAS 10.1 FEET AND FALLING. 
* FLOOD STAGE IS 10.5 FEET. 
* FELL BELOW FLOOD STAGE AT  9:36 AM WEDNESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 6.4 FEET BY TOMORROW MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHRISTINA RIVER
  COOCHS BRIDGE    10.5   10.14  WED 10 AM    CRESTED AND FALLING

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 3:46 AM EST	Areal Flood Advisory	PHI	New Castle	6 hr
Nov 27, 4:44 AM EST	Areal Flood Advisory	PHI	Kent	4 hr
Nov 27, 5:45 AM EST	River Flood Warning	PHI	New Castle	4 hr

Nearby

River Flood Warnings in Delaware, 2013 Every 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.