Alert archive / Delaware / River Flood Warnings in 2013

River Flood Warning 37, NWS Philadelphia/Mount Holly

July 13, 2013New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jul 13, 2013, 12:09 AM EDT for New Castle County, Delaware. It took effect at Jul 13, 2013, 12:30 AM EDT. It was in force for 94 min.

The area

The counties it named.

The facts

Issued
Jul 13, 2013, 12:09 AM EDT (04:09 UTC)
In effect from
Jul 13, 2013, 12:30 AM EDT
Expired
Jul 13, 2013, 2:04 AM EDT
In force
94 min
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 04:09 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 10.44 ft at Jul 13, 2013, 1:00 AM EDT.

actionminormoderatemajor51007/1307/14
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.

653 
WGUS41 KPHI 130409
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1209 AM EDT SAT JUL 13 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.

&&

DEC003-131009-
/O.NEW.KPHI.FL.W.0037.130713T0430Z-130713T1122Z/
/CHBD1.1.ER.130713T0430Z.130713T0500Z.130713T0522Z.NO/
1209 AM EDT SAT JUL 13 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 12:01 AM SATURDAY THE STAGE WAS 10.4 FEET. 
* FLOOD STAGE IS 10.5 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY AFTER MIDNIGHT THIS MORNING AND CONTINUE 
  TO RISE TO NEAR 10.6 FEET BY 1 AM THIS MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BETWEEN 115 AM AND 230 AM 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   10.37  SAT 12 AM   10.6    SAT 1 AM 

&&

DRAG
1 follow-up statement
142 
WGUS81 KPHI 130604
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
204 AM EDT SAT JUL 13 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.

&&

DEC003-130634-
/O.CAN.KPHI.FL.W.0037.000000T0000Z-130713T1122Z/
/CHBD1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
204 AM EDT SAT JUL 13 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* AT  1:46 AM SATURDAY THE STAGE WAS 10.2 FEET. 
* FLOOD STAGE IS 10.5 FEET. 
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE AT 10.5 FEET.  THE RIVER WILL 
  CONTINUE RECEDING EARLY TODAY.
* 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   10.19  SAT 2 AM     9.1    SAT 3 AM 

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 12:00 AM EDTRiver Flood WarningPHINew Castle3 hr
Jul 13, 1:27 AM EDTAreal Flood WarningPHINew Castle4 hr
Jul 13, 1:31 AM EDTRiver Flood WarningPHINew Castle4 hr
Jul 13, 1:49 AM EDTAreal Flood WarningPHIKent18 hr
Jul 13, 3:16 PM EDTExcessive Heat WatchPHINew Castle13 hr
Jul 13, 3:20 PM EDTSpecial Weather StatementPHINew Castle55 min

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.