Alert archive / Delaware / River Flood Warnings in 2017

River Flood Warning 4, NWS Philadelphia/Mount Holly

July 14, 2017New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jul 14, 2017, 5:30 PM EDT for New Castle County, Delaware. It took effect at Jul 14, 2017, 5:46 PM EDT. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jul 14, 2017, 5:30 PM EDT (21:30 UTC)
In effect from
Jul 14, 2017, 5:46 PM EDT
Expired
Jul 15, 2017, 12:21 AM EDT
In force
7 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), 95 km from the middle of the area, began a volume at 21:29 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 10.84 ft at Jul 14, 2017, 8:00 PM EDT.

actionminormoderatemajor51007/1407/1507/16
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.

288 
WGUS41 KPHI 142130
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
530 PM EDT Fri Jul 14 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.

&&

DEC003-150330-
/O.NEW.KPHI.FL.W.0004.170714T2146Z-170715T0421Z/
/CHBD1.1.ER.170714T2146Z.170714T2200Z.170714T2221Z.NO/
530 PM EDT Fri Jul 14 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 9.3 feet.
* Flood stage is 10.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by late this afternoon and continue to rise 
  to near 11.0 feet by this evening.the river will fall below flood stage by 
  this evening.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5    9.32  Fri 5 PM    11.0    Fri 6 PM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$
1 follow-up statement
037 
WGUS81 KPHI 150046
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
846 PM EDT Fri Jul 14 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.

&&

DEC003-150116-
/O.CAN.KPHI.FL.W.0004.000000T0000Z-170715T0421Z/
/CHBD1.1.ER.170714T2239Z.170714T2346Z.170715T0027Z.NO/
846 PM EDT Fri Jul 14 2017

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At  8:31 PM Friday the stage was 10.4 feet.
* Flood stage is 10.5 feet.
* Fell below flood stage at  8:27 PM Friday.
* Forecast...The river will continue to fall overnight. 


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5   10.45  Fri 9 PM     9.1    Fri 11 PM 
 
&&
 
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.

IssuedProductOfficeCountiesLasted
Jul 13, 8:09 PM EDTSpecial Weather StatementPHIKent36 min
Jul 13, 8:29 PM EDTSpecial Weather StatementPHIKent31 min
Jul 13, 10:03 PM EDTSpecial Weather StatementPHISussex27 min
Jul 13, 10:15 PM EDTAreal Flood AdvisoryPHIKent, Sussex4 hr
Jul 13, 10:39 PM EDTSevere Thunderstorm WarningPHISussex51 min
Jul 14, 9:02 AM EDTSpecial Weather StatementPHINew Castle28 min
Jul 14, 11:40 AM EDTFlash Flood WatchPHIKent, New Castle11 hr
Jul 14, 12:06 PM EDTHeat AdvisoryPHIKent, Sussex7 hr
Jul 14, 2:14 PM EDTAreal Flood AdvisoryPHINew Castle3 hr
Jul 14, 2:31 PM EDTSevere Thunderstorm WarningPHINew Castle59 min
Jul 14, 2:53 PM EDTFlash Flood WarningPHINew Castle3 hr
Jul 14, 3:18 PM EDTSevere Thunderstorm WarningPHINew Castle12 min
Jul 14, 3:23 PM EDTSevere Thunderstorm WarningPHINew Castle67 min
Jul 14, 3:25 PM EDTAreal Flood AdvisoryPHINew Castle4 hr
Jul 14, 3:34 PM EDTFlash Flood WarningPHINew Castle3 hr
Jul 14, 3:54 PM EDTSevere Thunderstorm WarningPHIKent, New Castle66 min
Jul 14, 5:14 PM EDTAreal Flood AdvisoryPHIKent3 hr
Jul 14, 5:24 PM EDTSpecial Weather StatementPHISussex36 min
Jul 14, 5:40 PM EDTSevere Thunderstorm WarningPHIKent65 min
Jul 14, 5:51 PM EDTSpecial Weather StatementPHISussex39 min
Jul 14, 6:10 PM EDTFlash Flood WarningPHIKent3 hr
Jul 14, 6:20 PM EDTSevere Thunderstorm WarningPHIKent, Sussex40 min
Jul 14, 6:32 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 14, 6:48 PM EDTSpecial Weather StatementPHISussex42 min
Jul 14, 7:15 PM EDTSevere Thunderstorm WarningPHISussex60 min

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.