Alert archive / Delaware / River Flood Warnings in 2023

River Flood Warning 70, NWS Philadelphia/Mount Holly

December 18, 2023New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 18, 2023, 9:18 PM EST for New Castle County, Delaware. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Dec 18, 2023, 9:18 PM EST (02:18 UTC)
Expired: Dec 19, 2023, 1:54 AM EST
In force: 5 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County New Castle County, DE

The radar

The Philadelphia radar (KDIX), 98 km from the middle of the area, began a volume at 02:16 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 Brandywine Creek at Wilmington (WMND1). The gauge peaked at 16.97 ft at Dec 18, 2023, 8:00 PM EST.

Action stage: 22 ft
Minor stage: 24.5 ft
Moderate stage: 26 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01481500, 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.

881 
WGUS41 KPHI 190218
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
918 PM EST Mon Dec 18 2023

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in Delaware...

  Brandywine Creek At Wilmington affecting New Castle County.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight at midnight EST.

&&

DEC003-190500-
/O.NEW.KPHI.FL.W.0070.231219T0218Z-231219T0500Z/
/WMND1.1.ER.231218T2148Z.231219T0115Z.231219T0348Z.NO/
918 PM EST Mon Dec 18 2023

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is occurring.

* WHERE...Brandywine Creek at Wilmington.

* WHEN...From this evening to just after midnight tonight.

* IMPACTS...At 14.5 feet, Minor flooding begins along the creek in 
  the Brandywine State Park.
  At 16.5 feet, North Park Drive, west of North Market Street, in 
  Brandywine State Park is subject to flooding and closures.
  At 17.0 feet, Some flooding begins in the historic Breck's Mill 
  area in Montchanin.
  At 18.0 feet, Ramsey Road is subject to closures between Del. 92 
  and Beaver Dam Road as the Brandywine backs up into Ransey Run.

* ADDITIONAL DETAILS...
  - At 8:15 PM EST Monday the stage was 17.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:15 PM EST Monday was 17.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this evening and continue falling to 12.5 feet Thursday
    evening.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.9 feet on 02/25/2016.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 pm)        Crest
Location        Stg   Stg Day/Time    Tue  Wed        Stg Time Date

Brandywine Creek
Wilmington      16.5  17.1 Mon 8 pm   13.5 12.8        MSG  unknown


&&

LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560


$$

AAD

3 follow-up statements

915 
WGUS81 KPHI 190314
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1014 PM EST Mon Dec 18 2023

...The Flood Warning continues for the following rivers in 
Delaware...

  Brandywine Creek At Wilmington affecting New Castle County.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight at midnight EST.

&&

DEC003-190500-
/O.CON.KPHI.FL.W.0070.000000T0000Z-231219T0500Z/
/WMND1.1.ER.231218T2148Z.231219T0115Z.231219T0333Z.NO/
1014 PM EST Mon Dec 18 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is occurring.

* WHERE...Brandywine Creek at Wilmington.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 14.5 feet, Minor flooding begins along the creek in 
  the Brandywine State Park.
  At 16.5 feet, North Park Drive, west of North Market Street, in 
  Brandywine State Park is subject to flooding and closures.
  At 17.0 feet, Some flooding begins in the historic Breck's Mill 
  area in Montchanin.

* ADDITIONAL DETAILS...
  - At 9:15 PM EST Monday the stage was 16.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:15 PM EST Monday was 17.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this evening and continue falling to 12.5 feet Thursday
    evening.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.7 feet on 10/30/2012.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Wilmington      16.5  16.8 Mon 9 pm   13.3 12.7        MSG  unknown


&&

LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560


$$

MJL

671 
WGUS81 KPHI 190425
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1125 PM EST Mon Dec 18 2023

...The Flood Warning is extended for the following rivers in 
Delaware...

  Brandywine Creek At Wilmington affecting New Castle County.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight at 200 AM EST.

&&

DEC003-190700-
/O.EXT.KPHI.FL.W.0070.000000T0000Z-231219T0700Z/
/WMND1.1.ER.231218T2148Z.231219T0115Z.231219T0447Z.NO/
1125 PM EST Mon Dec 18 2023

...FLOOD WARNING NOW IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT...

* WHAT...Minor flooding is occurring.

* WHERE...Brandywine Creek at Wilmington.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 14.5 feet, Minor flooding begins along the creek in 
  the Brandywine State Park.
  At 16.5 feet, North Park Drive, west of North Market Street, in 
  Brandywine State Park is subject to flooding and closures.
  At 17.0 feet, Some flooding begins in the historic Breck's Mill 
  area in Montchanin.

* ADDITIONAL DETAILS...
  - At 11:16 PM EST Monday the stage was 16.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:16 PM EST Monday was 17.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this evening and continue falling to 12.5 feet Thursday
    evening.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.7 feet on 10/30/2012.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Wilmington      16.5  16.7 Mon 11 p   13.3 12.7        MSG  unknown


&&

LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560


$$

Hoeflich

464 
WGUS81 KPHI 190654
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
154 AM EST Tue Dec 19 2023

...The Flood Warning is cancelled for the following rivers in 
Delaware...

  Brandywine Creek At Wilmington affecting New Castle County.



DEC003-190800-
/O.CAN.KPHI.FL.W.0070.000000T0000Z-231219T0654Z/
/WMND1.1.ER.231218T2148Z.231219T0115Z.231219T0500Z.NO/
154 AM EST Tue Dec 19 2023

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Brandywine Creek At Wilmington.

* ADDITIONAL DETAILS...
  - At 1:16 AM EST Tuesday the stage was 16.0 feet and falling.
  - Forecast...The river is expected to fall to 12.5 feet
    Thursday evening.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Wilmington      16.5  16.0 Tue 1 am   13.3 12.7        MSG  unknown


&&

LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560


$$

Hoeflich

Nearby

River Flood Warnings in Delaware, 2023 Every river flood warning in 2023

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.