Alert archive / Delaware / River Flood Warnings in 2013

River Flood Warning 2, NWS Philadelphia/Mount Holly

January 31, 2013New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jan 31, 2013, 4:39 AM EST for New Castle County, Delaware. It took effect at Jan 31, 2013, 5:45 AM EST. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jan 31, 2013, 4:39 AM EST (09:39 UTC)
In effect from
Jan 31, 2013, 5:45 AM EST
Expired
Jan 31, 2013, 8:34 AM EST
In force
3 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 09:41 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 10.77 ft at Jan 31, 2013, 7:00 AM EST.

actionminormoderatemajor51001/3102/01
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.

426 
WGUS41 KPHI 310939
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
439 AM EST THU JAN 31 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.

&&

DEC003-311539-
/O.NEW.KPHI.FL.W.0002.130131T1045Z-130131T2107Z/
/CHBD1.1.ER.130131T1045Z.130131T1200Z.130131T1507Z.NO/
439 AM EST THU JAN 31 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 4:31 AM THURSDAY THE STAGE WAS 9.9 FEET. 
* FLOOD STAGE IS 10.5 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE AND CONTINUE TO RISE TO NEAR
  10.8 FEET EARLY THIS MORNING. 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    9.89  THU 5 AM      10.8    THU 7 AM 

&&
1 follow-up statement
315 
WGUS81 KPHI 311334
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
834 AM EST THU JAN 31 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.

&&

DEC003-311404-
/O.CAN.KPHI.FL.W.0002.000000T0000Z-130131T2107Z/
/CHBD1.1.ER.130131T1043Z.130131T1201Z.130131T1254Z.NO/
834 AM EST THU JAN 31 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* AT  8:16 AM THURSDAY THE STAGE WAS 10.3 FEET. 
* FLOOD STAGE IS 10.5 FEET.
* FELL BELOW FLOOD STAGE AT  7:54 AM THURSDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 4.7 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   10.27  THU 8 AM     9.7    THU 9 AM 

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 8:15 PM ESTSpecial Weather StatementPHINew Castle60 min
Jan 30, 9:12 PM ESTSpecial Weather StatementPHIKent, New Castle2 hr
Jan 31, 12:57 AM ESTSpecial Weather StatementPHINew Castle2 hr
Jan 31, 2:12 AM ESTSpecial Weather StatementPHIKent, Sussex63 min
Jan 31, 2:56 AM ESTAreal Flood AdvisoryPHINew Castle4 hr
Jan 31, 3:15 AM ESTSpecial Weather StatementPHISussex2 hr
Jan 31, 6:01 AM ESTWind AdvisoryPHIKent, New Castle, Sussex12 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.