Alert archive / Delaware / River Flood Warnings in 2017

River Flood Warning 6, NWS Philadelphia/Mount Holly

July 24, 2017New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jul 24, 2017, 3:05 AM EDT for New Castle County, Delaware. It took effect at Jul 24, 2017, 3:14 AM EDT. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jul 24, 2017, 3:05 AM EDT (07:05 UTC)
In effect from: Jul 24, 2017, 3:14 AM EDT
Expired: Jul 24, 2017, 10:42 AM EDT
In force: 7 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), 95 km from the middle of the area, began a volume at 07:07 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 12.21 ft at Jul 24, 2017, 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.

583 
WGUS41 KPHI 240705
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
305 AM EDT Mon Jul 24 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.

&&

DEC003-241305-
/O.NEW.KPHI.FL.W.0006.170724T0714Z-170724T1442Z/
/CHBD1.2.ER.170724T0714Z.170724T0800Z.170724T0842Z.NO/
305 AM EDT Mon Jul 24 2017

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Christina River at Coochs Bridge.
* until this morning...Or until the warning is cancelled.
* At  2:46 AM Monday the stage was 9.7 feet.
* Flood stage is 10.5 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage by early this morning and continue to rise 
  to near 11.8 feet by early this morning.the river will fall below flood stage 
  by 7 am this morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5    9.70  Mon 3 AM    11.8    Mon 4 AM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

3 follow-up statements

531 
WGUS41 KPHI 240904
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
504 AM EDT Mon Jul 24 2017

  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.

&&

DEC003-241504-
/O.EXT.KPHI.FL.W.0006.000000T0000Z-170724T2125Z/
/CHBD1.2.ER.170724T0656Z.170724T1000Z.170724T1525Z.NO/
504 AM EDT Mon Jul 24 2017

The Flood Warning continues for 
 The Christina River at Coochs Bridge.
* until this afternoon...or until the warning is cancelled.
* At  4:46 AM Monday the stage was 11.9 feet.
* Flood stage is 10.5 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 12.4 feet by this morning. 
  The river will fall below flood stage late this morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5   11.92  Mon 5 AM    12.4    Mon 7 AM 
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

311 
WGUS81 KPHI 241405
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1005 AM EDT Mon Jul 24 2017

...The Flood Warning continues 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.

&&

DEC003-242125-
/O.CON.KPHI.FL.W.0006.000000T0000Z-170724T2125Z/
/CHBD1.2.ER.170724T0656Z.170724T1101Z.170724T1525Z.NO/
1005 AM EDT Mon Jul 24 2017

The Flood Warning continues for
  The Christina River at Coochs Bridge.
* until this afternoon...Or until the warning is cancelled.
* At  9:46 AM Monday the stage was 9.1 feet.
* Flood stage is 10.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by late this morning and continue to rise to
  near 10.7 feet by late this morning.the river will fall below flood stage by 
  late this morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5    9.11  Mon 10 AM   10.7    Mon 11 AM
 
&&
 
LAT...LON 3964 7578 3970 7578 3965 7570 3968 7565
      3968 7557 3959 7569             

$$

236 
WGUS81 KPHI 241411
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1011 AM EDT Mon Jul 24 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.

&&

DEC003-241441-
/O.CAN.KPHI.FL.W.0006.000000T0000Z-170724T2125Z/
/CHBD1.2.ER.170724T0656Z.170724T1101Z.170724T1259Z.NO/
1011 AM EDT Mon Jul 24 2017

The Flood Warning is cancelled for
  The Christina River at Coochs Bridge.
* At 10:05 AM Monday the stage was 8.7 feet.
* Flood stage is 10.5 feet.
* Fell below flood stage at  8:59 AM Monday.
* Forecast...The river will continue to fall to 6.2 feet by tomorrow morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Christina River
  Coochs Bridge          10.5    8.67  Mon 10 AM    8.0    Mon 11 AM
 
&&
 
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.

Issued	Product	Office	Counties	Lasted
Jul 23, 9:08 PM EDT	River Flood Warning	PHI	New Castle	17 hr
Jul 24, 1:10 AM EDT	Areal Flood Advisory	PHI	New Castle	4 hr
Jul 24, 1:52 AM EDT	Severe Thunderstorm Warning	PHI	Kent	53 min
Jul 24, 2:02 AM EDT	Severe Thunderstorm Warning	PHI	New Castle	43 min
Jul 24, 2:34 AM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	41 min
Jul 24, 4:17 AM EDT	River Flood Warning	PHI	New Castle	11 hr
Jul 24, 2:55 PM EDT	Coastal Flood Advisory	PHI	Sussex	11 hr

Nearby

River Flood Warnings in Delaware, 2017 Every 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.