Alert archive / Delaware / River Flood Warnings in 2014

River Flood Warning 16, NWS Philadelphia/Mount Holly

April 30, 2014New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 30, 2014, 4:00 PM EDT for New Castle County, Delaware. It took effect at Apr 30, 2014, 4:32 PM EDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2014, 4:00 PM EDT (20:00 UTC)
In effect from
Apr 30, 2014, 4:32 PM EDT
Expired
May 1, 2014, 9:30 AM EDT
In force
17 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 20:02 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 White Clay Creek near Newark (DPKD1). The gauge peaked at 16.92 ft at May 1, 2014, 1:00 AM EDT.

actionminormoderatemajor5101504/3005/0105/02
Action stage
11 ft
Minor stage
13 ft
Moderate stage
15 ft
Major stage
16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01479000, 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.

514 
WGUS41 KPHI 302000
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
400 PM EDT WED APR 30 2014

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED
A FLOOD WARNING FOR THE FOLLOWING RIVERS IN DELAWARE... 

  WHITE CLAY CREEK NEAR NEWARK 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.

&&

DEC003-010200-
/O.NEW.KPHI.FL.W.0016.140430T2032Z-140501T0937Z/
/DPKD1.1.ER.140430T2032Z.140430T2300Z.140501T0337Z.NO/
800 PM GMT WED APR 30 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE WHITE CLAY CREEK NEAR NEWARK.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:46 PM WEDNESDAY THE STAGE WAS 12.3 FEET. 
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CONTINUE TO RISE 
  TO NEAR 14.2 FEET BY THIS EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE  
  TONIGHT.
* IMPACT...AT 13.5 FEET...BUSINESSES IN THE AREA BEGIN TO FLOOD.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG    DAY TIME     CREST

WHITE CLAY CREEK
  NEWARK           13.0   12.33  WED 4 PM     14.2    WED 7 PM 

&&
4 follow-up statements
305 
WGUS41 KPHI 302143
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
543 PM EDT WED APR 30 2014

...FORECAST FLOODING CHANGED FROM MINOR TO MAJOR SEVERITY FOR
THE FOLLOWING RIVERS IN DELAWARE...

  WHITE CLAY CREEK NEAR NEWARK 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.

&&

DEC003-010343-
/O.EXT.KPHI.FL.W.0016.000000T0000Z-140501T1043Z/
/DPKD1.3.ER.140430T2013Z.140501T0000Z.140501T0443Z.NO/
943 PM GMT WED APR 30 2014

...FORECAST FLOODING INCREASED FROM MINOR TO MAJOR SEVERITY...
THE FLOOD WARNING CONTINUES FOR 
  THE WHITE CLAY CREEK NEAR NEWARK.
* UNTIL THURSDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 5:15 PM WEDNESDAY THE STAGE WAS 14.4 FEET. 
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 16.9 FEET BY
  THIS EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE AFTER
  MIDNIGHT TONIGHT.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG    DAY TIME     CREST

WHITE CLAY CREEK
  NEWARK           13.0   14.35  WED 5 PM     16.9    WED 8 PM 

&&
405 
WGUS81 KPHI 010224
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1024 PM EDT WED APR 30 2014

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS 
   IN DELAWARE...
 
  WHITE CLAY CREEK NEAR NEWARK 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.

&&

DEC003-011224-
/O.EXT.KPHI.FL.W.0016.000000T0000Z-140501T1536Z/
/DPKD1.3.ER.140430T2013Z.140501T0400Z.140501T0936Z.NO/
1024 PM EDT WED APR 30 2014

...FLOOD WARNING EXTENDED UNTIL THURSDAY MORNING...
THE FLOOD WARNING CONTINUES FOR
  THE WHITE CLAY CREEK NEAR NEWARK.
* UNTIL THURSDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:01 PM WEDNESDAY THE STAGE WAS 16.3 FEET. 
* FLOOD STAGE IS 13.0 FEET.
* MODERATE FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 16.8 FEET AFTER MIDNIGHT 
  TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY TOMORROW.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG    DAY TIME     CREST

WHITE CLAY CREEK
  NEWARK           13.0   16.34  WED 10 PM    16.8    THU 12 AM

&&
976 
WGUS81 KPHI 011213
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
813 AM EDT THU MAY 1 2014

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN DELAWARE...
 
  WHITE CLAY CREEK NEAR NEWARK 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.

&&

DEC003-012121-
/O.EXT.KPHI.FL.W.0016.000000T0000Z-140501T2121Z/
/DPKD1.3.ER.140430T2013Z.140501T0501Z.140501T1521Z.NO/
813 AM EDT THU MAY 1 2014

...FLOOD WARNING EXTENDED UNTIL THIS AFTERNOON...THE FLOOD WARNING CONTINUES FOR
  THE WHITE CLAY CREEK NEAR NEWARK.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT  7:00 AM THURSDAY THE STAGE WAS 14.8 FEET. 
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST. 
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY LATE THIS 
  MORNING.
* IMPACT...AT 13.5 FEET...BUSINESSES IN THE AREA BEGIN TO FLOOD.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

WHITE CLAY CREEK
  NEWARK           13.0   14.84  THU 7 AM    13.9    THU 9 AM 

&&
618 
WGUS81 KPHI 011330
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
930 AM EDT THU MAY 1 2014

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN DELAWARE...
 
  WHITE CLAY CREEK NEAR NEWARK 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.

&&

DEC003-011400-
/O.CAN.KPHI.FL.W.0016.000000T0000Z-140501T2121Z/
/DPKD1.3.ER.140430T2013Z.140501T0501Z.140501T1202Z.NO/
930 AM EDT THU MAY 1 2014

THE FLOOD WARNING IS CANCELLED FOR
  THE WHITE CLAY CREEK NEAR NEWARK.
* AT  9:01 AM THURSDAY THE STAGE WAS 11.3 FEET. 
* FLOOD STAGE IS 13.0 FEET.
* FELL BELOW FLOOD STAGE AT  8:02 AM THURSDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 6.9 FEET BY TOMORROW MORNING.
* IMPACT...AT 13.3 FEET...DELAWARE ROUTE 7 BEGINS TO FLOOD.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

WHITE CLAY CREEK
  NEWARK           13.0   11.34  THU 9 AM    10.6    THU 10 AM

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 9:45 AM EDTAreal Flood AdvisoryPHINew Castle3 hr
Apr 30, 10:08 AM EDTAreal Flood AdvisoryPHIKent, Sussex3 hr
Apr 30, 12:37 PM EDTRiver Flood WarningPHINew Castle15 hr
Apr 30, 12:49 PM EDTAreal Flood WarningPHINew Castle26 hr
Apr 30, 1:16 PM EDTAreal Flood AdvisoryPHIKent, New Castle4 hr
Apr 30, 3:27 PM EDTSpecial Weather StatementPHINew Castle108 min
Apr 30, 3:54 PM EDTRiver Flood WarningPHINew Castle16 hr
Apr 30, 4:10 PM EDTAreal Flood WarningPHIKent, New Castle9 hr
Apr 30, 4:16 PM EDTAreal Flood AdvisoryPHIKent, Sussex6 hr
Apr 30, 6:03 PM EDTSpecial Weather StatementPHINew Castle117 min
Apr 30, 6:29 PM EDTRiver Flood WarningPHINew Castle28 hr

Nearby

River Flood Warnings in Delaware, 2014Every river flood warning in 2014

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.