Alert archive / Delaware / River Flood Warnings in 2019

River Flood Warning 13, NWS Philadelphia/Mount Holly

June 19, 2019New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 19, 2019, 11:46 PM EDT for New Castle County, Delaware. It took effect at Jun 20, 2019, 12:39 AM EDT. It was in force for 51 min.

The area

The outline as issued.

The facts

Issued
Jun 19, 2019, 11:46 PM EDT (03:46 UTC)
In effect from
Jun 20, 2019, 12:39 AM EDT
Expired
Jun 20, 2019, 1:30 AM EDT
In force
51 min
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), 95 km from the middle of the area, began a volume at 03:46 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 11.26 ft at Jun 20, 2019, 12:00 AM EDT.

actionminormoderatemajor51006/2006/21
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.

451 
WGUS41 KPHI 200346
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1146 PM EDT Wed Jun 19 2019

...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the Christina River At Coochs Bridge...

RECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

DEC003-200945-
/O.NEW.KPHI.FL.W.0013.190620T0439Z-190620T1436Z/
/CHBD1.2.ER.190620T0439Z.190620T0600Z.190620T0836Z.NO/
1146 PM EDT Wed Jun 19 2019

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Christina River at Coochs Bridge.
* until Thursday morning...Or until the warning is cancelled.
* At 11:30 PM Wednesday, the river level was 9.98 feet.
* Flood stage is 11.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage
  shortly and it should reach 12.1 feet overnight. The river
  is forecast to fall back below flood stage early on Thursday.
* Impact...At 12.0 feet...Significant flooding occurs on Meadow Road
  in Christiana. Roads are closed. Homes are flooded. Salem Church
  Road and Reybold Road flood in Christiana and are subject to
  closures. Residential backyards can flood in this area. Flooding
  also occurs in Newark on West Chestnut Hill Road and South College
  Avenue.
* Flood history...This crest compares to a previous crest of 12.1
  feet on August 13, 2018.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge         11.0    9.98 Wed 1130 PM   12.1   Thu 2 AM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

Iovino
1 follow-up statement
341 
WGUS81 KPHI 200530
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
130 AM EDT Thu Jun 20 2019

...The Flood Warning is cancelled for the Christina River
at Coochs Bridge...

&&

DEC003-200600-
/O.CAN.KPHI.FL.W.0013.000000T0000Z-190620T1436Z/
/CHBD1.1.ER.190620T0347Z.190620T0415Z.190620T0440Z.NO/
130 AM EDT Thu Jun 20 2019

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At 1:15 AM, the river level was 10.36 feet.
* Flood stage is 11.0 feet.
* The river fell below flood stage at 12:40 AM.
* Forecast...The river level will continue to fall.

&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0  10.36  Thu 115 AM   Crested
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 11:11 PM EDTFlash Flood WarningPHINew Castle6 hr
Jun 20, 5:10 AM EDTAreal Flood WarningPHINew Castle12 hr
Jun 20, 2:13 PM EDTAreal Flood AdvisoryPHINew Castle4 hr
Jun 20, 2:26 PM EDTSpecial Weather StatementPHINew Castle94 min
Jun 20, 2:33 PM EDTSevere Thunderstorm WarningPHINew Castle57 min
Jun 20, 2:48 PM EDTFlash Flood WarningPHINew Castle4 hr
Jun 20, 7:55 PM EDTAreal Flood AdvisoryPHIKent, Sussex4 hr

Nearby

River Flood Warnings in Delaware, 2019Every river flood warning in 2019

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.