Alert archive / Delaware / River Flood Warnings in 2016

River Flood Warning 19, NWS Philadelphia/Mount Holly

September 30, 2016New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Sep 30, 2016, 4:09 AM EDT for New Castle County, Delaware. It took effect at Sep 30, 2016, 4:41 AM EDT. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued: Sep 30, 2016, 4:09 AM EDT (08:09 UTC)
In effect from: Sep 30, 2016, 4:41 AM EDT
Expired: Sep 30, 2016, 5:19 PM EDT
In force: 13 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Moderate

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 94 km from the middle of the area, began a volume at 08:09 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 10.61 ft at Sep 30, 2016, 7:00 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.

093 
WGUS41 KPHI 300809
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
409 AM EDT FRI SEP 30 2016

...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.

&&

DEC003-301409-
/O.NEW.KPHI.FL.W.0019.160930T0841Z-160930T2119Z/
/CHBD1.2.ER.160930T0841Z.160930T1100Z.160930T1519Z.NO/
409 AM EDT FRI SEP 30 2016

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 4:00 AM Friday the stage was 9.4 feet.
* Flood stage is 10.5 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage early this morning and 
  continue to rise to near 11.8 feet. The river will fall  
  below flood stage later this morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5    9.39  Fri 4 AM    11.8    Fri 7 AM 
 
&&
 
LAT...LON 3959 7569 3968 7557 3968 7565 3965 7570
      3970 7578 3964 7578             

$$

Robertson

1 follow-up statement

554 
WGUS81 KPHI 301311
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
911 AM EDT FRI SEP 30 2016

...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.

&&

DEC003-301341-
/O.CAN.KPHI.FL.W.0019.000000T0000Z-160930T2119Z/
/CHBD1.1.ER.160930T1215Z.000000T0000Z.160930T1222Z.NO/
911 AM EDT FRI SEP 30 2016

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At 9:01 AM Friday the stage was 10.1 feet.
* Flood stage is 10.5 feet.
* Fell below flood stage at 8:22 AM Friday.
* Forecast...The river will continue to fall.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG    DAY TIME    CREST

Christina River
  Coochs Bridge          10.5   10.05  Fri 9 AM    Below Flood Stage
 
&&
 
LAT...LON 3959 7569 3968 7557 3968 7565 3965 7570
      3970 7578 3964 7578             

$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 30, 1:40 AM EDT	Coastal Flood Advisory	PHI	Kent, New Castle, Sussex	13 hr
Sep 30, 2:40 AM EDT	Areal Flood Warning	PHI	Kent	4 hr
Sep 30, 3:34 AM EDT	Areal Flood Advisory	PHI	Kent, New Castle	4 hr
Sep 30, 5:29 AM EDT	Areal Flood Warning	PHI	Sussex	4 hr
Sep 30, 6:44 AM EDT	Areal Flood Warning	PHI	Kent	4 hr
Sep 30, 7:24 AM EDT	Areal Flood Advisory	PHI	Kent, New Castle	4 hr
Sep 30, 9:02 AM EDT	Areal Flood Warning	PHI	Sussex	39 hr
Sep 30, 10:30 AM EDT	Areal Flood Warning	PHI	Kent	4 hr
Sep 30, 2:29 PM EDT	Areal Flood Warning	PHI	Kent	19 hr
Sep 30, 3:03 PM EDT	Coastal Flood Advisory	PHI	Kent, Sussex	20 hr
Sep 30, 6:04 PM EDT	Rip Current Statement	PHI	Sussex	3 hr

Nearby

River Flood Warnings in Delaware, 2016 Every river flood warning in 2016

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.