Alert archive / Delaware / River Flood Warnings in 2010

River Flood Warning 71, NWS Philadelphia/Mount Holly

October 1, 2010New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Oct 1, 2010, 2:08 AM EDT for New Castle County, Delaware. It took effect at Oct 1, 2010, 4:13 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 1, 2010, 2:08 AM EDT (06:08 UTC)
In effect from
Oct 1, 2010, 4:13 AM EDT
Expired
Oct 1, 2010, 1:38 PM EDT
In force
9 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 06:10 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 10.80 ft at Oct 1, 2010, 7:00 AM EDT.

actionminormoderatemajor51010/0110/02
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.

685 
WGUS41 KPHI 010608
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
208 AM EDT FRI OCT 1 2010

...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.

&&

DEC003-011208-
/O.NEW.KPHI.FL.W.0071.101001T0857Z-101001T1824Z/
/RCCD1.1.ER.101001T0857Z.101001T1000Z.101001T1224Z.NO/
208 AM EDT FRI OCT 1 2010

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 1:45 AM FRIDAY THE STAGE WAS 5.8 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY THIS MORNING AND CONTINUE 
  TO RISE TO NEAR 7.8 FEET. THE RIVER WILL FALL BELOW FLOOD STAGE 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    5.75  FRI 2 AM     7.8  FRI 6 AM 

&&
3 follow-up statements
432 
WGUS41 KPHI 010815
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
415 AM EDT FRI OCT 1 2010

...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY 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.

&&

DEC003-011415-
/O.EXT.KPHI.FL.W.0071.101001T0813Z-101001T1942Z/
/RCCD1.2.ER.101001T0610Z.101001T1000Z.101001T1342Z.NO/
415 AM EDT FRI OCT 1 2010

...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...

THE FLOOD WARNING CONTINUES FOR 
  THE RED CLAY CREEK AT WOODDALE.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:45 AM FRIDAY THE STAGE WAS 8.8 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* MODERATE FLOODING IS OCCURRING.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 9.8 FEET EARLY
  THIS MORNING AND FALL BELOW FLOOD STAGE LATER THIS MORNING.
* IMPACT...AT 8.5 FEET...THE PARKING LOT AT AMATEK COMPANY FLOODS.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RED CLAY CREEK
  WOODDALE         7.0    8.83  FRI 4 AM     9.8  FRI 6 AM 

&&
584 
WGUS41 KPHI 011206
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
806 AM EDT FRI OCT 1 2010

...FORECAST FLOODING CHANGED FROM MODERATE TO MAJOR SEVERITY 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.

&&

DEC003-011806-
/O.EXT.KPHI.FL.W.0071.000000T0000Z-101002T0446Z/
/RCCD1.3.ER.101001T0610Z.101001T1145Z.101001T2246Z.NO/
806 AM EDT FRI OCT 1 2010

...OBSERVED FLOODING INCREASED FROM MODERATE TO MAJOR SEVERITY...
...FORECAST FLOODING INCREASED FROM MODERATE TO MAJOR SEVERITY...
THE FLOOD WARNING CONTINUES FOR 
  THE RED CLAY CREEK AT WOODDALE.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT  7:45 AM FRIDAY THE STAGE WAS 10.9 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS APPROACHING CREST NOW. IT WILL FALL BELOW FLOOD STAGE BY 
  THIS EVENING.
* IMPACT...AT 8.5 FEET...THE PARKING LOT AT AMATEK COMPANY FLOODS.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RED CLAY CREEK
  WOODDALE         7.0   10.91  FRI 8 AM    11.0  FRI 9 AM 

&&
157 
WGUS81 KPHI 011738
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
138 PM EDT FRI OCT 1 2010

...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.

&&

DEC003-011808-
/O.CAN.KPHI.FL.W.0071.000000T0000Z-101002T0446Z/
/RCCD1.3.ER.101001T0610Z.101001T1145Z.101001T1457Z.NO/
138 PM EDT FRI OCT 1 2010

THE FLOOD WARNING IS CANCELLED FOR
  THE RED CLAY CREEK AT WOODDALE.
* AT 12:45 PM FRIDAY THE STAGE WAS 4.5 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* FELL BELOW FLOOD STAGE AT 10:57 AM FRIDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 2.1 FEET BY TOMORROW 
  MORNING.


$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RED CLAY CREEK
  WOODDALE         7.0    4.50  FRI 1 PM     4.1  FRI 2 PM 

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 12:40 AM EDTSpecial Weather StatementPHINew Castle65 min
Oct 1, 12:49 AM EDTRiver Flood WarningPHINew Castle14 hr
Oct 1, 12:57 AM EDTSpecial Weather StatementPHIKent63 min
Oct 1, 1:08 AM EDTRiver Flood WarningPHINew Castle14 hr
Oct 1, 1:22 AM EDTSpecial Weather StatementPHIKent, New Castle, Sussex53 min
Oct 1, 2:23 AM EDTRiver Flood WarningPHINew Castle23 hr
Oct 1, 3:11 AM EDTAreal Flood WarningPHISussex12 hr

Nearby

River Flood Warnings in Delaware, 2010Every river flood warning in 2010

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.