Alert archive / Delaware / River Flood Warnings in 2020

River Flood Warning 1, NWS Philadelphia/Mount Holly

January 25, 2020New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jan 25, 2020, 10:29 AM EST for New Castle County, Delaware. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jan 25, 2020, 10:29 AM EST (15:29 UTC)
Expired
Jan 25, 2020, 5:27 PM EST
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 15:32 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 12.30 ft at Jan 25, 2020, 2:00 PM EST.

actionminormoderatemajor51001/2501/26
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.

906 
WGUS41 KPHI 251529
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1029 AM EST Sat Jan 25 2020

...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.

&&

DEC003-252129-
/O.NEW.KPHI.FL.W.0001.200125T1529Z-200126T0028Z/
/CHBD1.1.ER.200125T1507Z.200125T1600Z.200125T1828Z.NO/
1029 AM EST Sat Jan 25 2020

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Christina River at Coochs Bridge.
* until this evening...Or until the warning is cancelled.
* At 10:15 AM Saturday the stage was 11.2 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 11.8 feet by late this 
  morning. The river will fall below flood stage this afternoon.
* 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 floods in Christiana also flood 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 11.8 feet on Sep 7 
  2011.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0   11.18  Sat 10 AM   11.8    Sat 11 AM
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$
3 follow-up statements
347 
WGUS41 KPHI 251631
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1131 AM EST Sat Jan 25 2020

...Forecast flooding changed from Minor to Moderate severity 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.

&&

DEC003-252230-
/O.EXT.KPHI.FL.W.0001.000000T0000Z-200126T0052Z/
/CHBD1.2.ER.200125T1507Z.200125T1700Z.200125T1852Z.NO/
1131 AM EST Sat Jan 25 2020

...Forecast flooding increased from Minor to Moderate severity...
The Flood Warning continues for 
 The Christina River At Coochs Bridge.
* until this evening...Or until the warning is cancelled.
* At 11:15 AM Saturday the stage was 12.0 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 12.3 feet by this afternoon.
  The river will fall below flood stage this afternoon.
* Impact...At 12.5 feet...Evacuations are possible in Duross Heights. Airport 
  Road at the New Castle Airport floods is closed. Businesses are flooded. 
  Flooding increases in Newark. Flooding also increases on Barksdale Road and 
  can extend onto Casho Mill Road. Businesses on South College Avenue take on 
  water.
* Flood history...This crest compares to a previous crest of 12.2 feet on Aug 13 
  2004.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0   11.98  Sat 11 AM   12.3    Sat 12 PM
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$
972 
WGUS41 KPHI 252052
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
352 PM EST Sat Jan 25 2020

  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.

&&

DEC003-260252-
/O.EXT.KPHI.FL.W.0001.000000T0000Z-200126T0454Z/
/CHBD1.2.ER.200125T1507Z.200125T1915Z.200125T2254Z.NO/
352 PM EST Sat Jan 25 2020

The Flood Warning continues for 
 The Christina River At Coochs Bridge.
* until this evening...Or until the warning is cancelled.
* At  3:15 PM Saturday the stage was 12.3 feet.
* Flood stage is 11.0 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by late this 
  afternoon.
* Impact...At 12.5 feet...Evacuations are possible in Duross Heights. Airport 
  Road at the New Castle Airport floods is closed. Businesses are flooded. 
  Flooding increases in Newark. Flooding also increases on Barksdale Road and 
  can extend onto Casho Mill Road. Businesses on South College Avenue take on 
  water.
* Flood history...This crest compares to a previous crest of 12.2 feet on Aug 13 
  2004.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0   12.27  Sat 3 PM    Crested 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$
216 
WGUS81 KPHI 252227
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
527 PM EST Sat Jan 25 2020

...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.

&&

DEC003-252257-
/O.CAN.KPHI.FL.W.0001.000000T0000Z-200126T0454Z/
/CHBD1.2.ER.200125T1507Z.200125T1915Z.200125T2144Z.NO/
527 PM EST Sat Jan 25 2020

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At  5:15 PM Saturday the stage was 10.2 feet.
* Flood stage is 11.0 feet.
* Fell below flood stage at  4:44 PM Saturday.
* Forecast...The river will continue to fall to 5.8 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 10.9 feet on Jan 27 
  2003.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          11.0   10.21  Sat 5 PM    Crested 
 
&&
 
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
Jan 25, 10:32 AM ESTAreal Flood WarningPHINew Castle4 hr
Jan 25, 12:12 PM ESTRiver Flood WarningPHINew Castle4 hr
Jan 25, 3:00 PM ESTAreal Flood WarningPHINew Castle2 hr

Nearby

River Flood Warnings in Delaware, 2020Every river flood warning in 2020

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.