Alert archive / Delaware / River Flood Warnings in 2017

River Flood Warning 1, NWS Philadelphia/Mount Holly

March 31, 2017New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 31, 2017, 5:35 PM EDT for New Castle County, Delaware. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Mar 31, 2017, 5:35 PM EDT (21:35 UTC)
Expired
Apr 1, 2017, 1:16 AM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
Minor

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 94 km from the middle of the area, began a volume at 21:34 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 11.33 ft at Mar 31, 2017, 6:00 PM EDT.

actionminormoderatemajor51003/3104/0104/02
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.

246 
WGUS41 KPHI 312135
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
535 PM EDT Fri Mar 31 2017

...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.

&&

DEC003-010335-
/O.NEW.KPHI.FL.W.0001.170331T2135Z-170401T0516Z/
/CHBD1.1.ER.170331T2121Z.170331T2200Z.170331T2316Z.NO/
535 PM EDT Fri Mar 31 2017

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Christina River at Coochs Bridge.
* until late tonight...or until the warning is cancelled.
* At 5:16 PM Friday the stage was 10.4 feet.
* Flood stage is 10.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage and continue to rise to near
11.1 feet early this evening. The river will fall below flood
stage later this evening.

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG    DAY TIME    CREST

Christina River
  Coochs Bridge          10.5   10.41  Fri 5 PM    11.1    Fri 6 PM 
 
&&
 
LAT...LON 3959 7569 3968 7557 3968 7565 3965 7570
      3970 7578 3964 7578             

$$

Kruzdlo
1 follow-up statement
406 
WGUS81 KPHI 010119
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
919 PM EDT Fri Mar 31 2017

...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.

&&

DEC003-010149-
/O.CAN.KPHI.FL.W.0001.000000T0000Z-170401T0516Z/
/CHBD1.1.ER.170331T1948Z.170331T2231Z.170401T0047Z.NO/
919 PM EDT Fri Mar 31 2017

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At 9:01 PM Friday the stage was 10.3 feet.
* Flood stage is 10.5 feet.
* Fell below flood stage at 8:47 PM Friday.
* Forecast...The river will continue to fall this evening.

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG    DAY TIME    CREST

Christina River
  Coochs Bridge          10.5   10.32  Fri 9 PM    Crested and falling
 
&&
 
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.

IssuedProductOfficeCountiesLasted
Mar 31, 3:41 AM EDTFlood WatchPHINew Castle20 hr
Mar 31, 4:50 PM EDTAreal Flood AdvisoryPHINew Castle9 hr

Nearby

River Flood Warnings in Delaware, 2017Every river flood warning in 2017

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.