Alert archive / Delaware / River Flood Warnings in 2018

River Flood Warning 45, NWS Philadelphia/Mount Holly

September 28, 2018New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Sep 28, 2018, 5:12 AM EDT for New Castle County, Delaware. It took effect at Sep 28, 2018, 5:47 AM EDT. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: Sep 28, 2018, 5:12 AM EDT (09:12 UTC)
In effect from: Sep 28, 2018, 5:47 AM EDT
Expired: Sep 28, 2018, 6:51 AM EDT
In force: 64 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County New Castle County, DE

The river

Written for the forecast point Christina River at Coochs Bridge (CHBD1). The gauge peaked at 10.23 ft at Sep 28, 2018, 6:00 AM EDT.

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.

440 
WGUS41 KPHI 280912
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
512 AM EDT Fri Sep 28 2018

...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.

&&

DEC003-281511-
/O.NEW.KPHI.FL.W.0045.180928T0947Z-180928T1607Z/
/CHBD1.1.ER.180928T0947Z.180928T1000Z.180928T1007Z.NO/
512 AM EDT Fri Sep 28 2018

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  5:01 AM Friday the stage was 9.5 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by early this morning and continue to rise 
  to near 11.4 feet by this morning.the river will fall below flood stage by 
  this morning.
* Impact...At 11.5 feet...Portions of Duross Heights near New Castle Airport 
  begin to flood including Don Avenue. Airport Road at the New Castle Airport 
  begins to flood as the Christina River backs up the Nonesuch Creek. Walther 
  Road in the Bear area also floods. Flooding also occurs around Smalley's Pond 
  Dam in Christiana.
* Flood history...This crest compares to a previous crest of 11.4 feet on Apr 17 
  2011.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0    9.48  Fri 5 AM    11.4    Fri 6 AM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

1 follow-up statement

992 
WGUS81 KPHI 281051
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
651 AM EDT Fri Sep 28 2018

...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.

&&

DEC003-281121-
/O.CAN.KPHI.FL.W.0045.000000T0000Z-180928T1607Z/
/CHBD1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
651 AM EDT Fri Sep 28 2018

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At  6:46 AM Friday the stage was 10.2 feet.
* Flood stage is 11.0 feet.
* Forecast...The river crested below flood stage at 10.3 feet. The river will 
  continue to fall to 5.0 feet by tomorrow morning.
* Impact...At 11.0 feet...Flooding begins in the town of Christiana. East Main 
  Street (Del 7) begins to flood as does Water Street. Meadow Road near New 
  Castle Airport is subject to flooding. Barksdale Road near Casho Mill Road is 
  also subject to flooding as are residential backyards.
* Flood history...This crest compares to a previous crest of 10.3 feet on Aug 26 
  1999.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0   10.20  Fri 7 AM     8.4    Fri 7 AM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 28, 3:03 AM EDT	Areal Flood Advisory	PHI	New Castle	6 hr

Nearby

River Flood Warnings in Delaware, 2018 Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.