Alert archive / Delaware / River Flood Warnings in 2020
River Flood Warning 39, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Nov 30, 2020, 5:24 PM EST for New Castle County, Delaware. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 30, 2020, 5:24 PM EST (22:24 UTC)
- Expired
- Nov 30, 2020, 10:46 PM 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 Dover AFB radar (KDOX), 102 km from the middle of the area, began a volume at 22:24 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 Red Clay Creek at Wooddale (RCCD1). The gauge peaked at 9.37 ft at Nov 30, 2020, 8:00 PM EST.
- Action stage
- 5.5 ft
- Minor stage
- 7 ft
- Moderate stage
- 8.5 ft
- Major stage
- 10 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01480000, 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.
461 WGUS41 KPHI 302224 FLWPHI BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Mount Holly NJ 524 PM EST Mon Nov 30 2020 ...The National Weather Service in Mount Holly NJ has issued a Flood Warning for the following rivers in Delaware... Red Clay Creek At Wooddale affecting New Castle County. For the Red Clay Creek...including Wooddale...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. A Flood Warning means that flooding is imminent or occurring. All interested parties should take necessary precautions immediately. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov/phi. DEC003-010645- /O.NEW.KPHI.FL.W.0039.201130T2224Z-201201T0633Z/ /RCCD1.1.ER.201130T2030Z.201130T2300Z.201201T0633Z.NO/ 524 PM EST Mon Nov 30 2020 The National Weather Service in Mount Holly has issued a * Flood Warning for the Red Clay Creek At Wooddale. * From this afternoon to late tonight. * At 4:45 PM EST Monday the stage was 8.0 feet. * Flood stage is 7.0 feet. * Minor flooding is occurring and minor flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 4:45 PM EST Monday was 8.0 feet. * Forecast...The river is expected to rise to a crest of 8.3 feet this evening. It will then fall below flood stage just after midnight tonight. * Impact at 5.5 feet...Flooding begins in adjacent open fields. Impact at 7.5 feet...Barley Mill Road begins to flood. Brandywine Springs Park floods. Impact at 8.5 feet...Flooding begins near Old Capital Trail and Newport Road. * Flood History...This crest compares to a previous crest of 8.6 feet on 07/05/1989. && Stream Fld Observed Fcsts (5 pm) Crest Location Stg Stg Day/Time Tue Wed Stg Time Date Red Clay Creek Wooddale 7.0 8.0 Mon 4 pm 5.8 MSG 8.3 6pm 11/30 && LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565 $$ PO
4 follow-up statements
495 WGUS41 KPHI 302306 FLWPHI BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Mount Holly NJ 606 PM EST Mon Nov 30 2020 ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Delaware... Red Clay Creek At Wooddale affecting New Castle County. For the Red Clay Creek...including Wooddale...Moderate flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. A Flood Warning means that flooding is imminent or occurring. All interested parties should take necessary precautions immediately. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov/phi. DEC003-011100- /O.EXT.KPHI.FL.W.0039.000000T0000Z-201201T1054Z/ /RCCD1.2.ER.201130T2030Z.201201T0000Z.201201T0454Z.NO/ 606 PM EST Mon Nov 30 2020 ...Forecast flooding increased from Minor to Moderate severity and increased in duration until late tonight... The Flood Warning continues for the Red Clay Creek At Wooddale. * Until late tonight. * At 5:45 PM EST Monday the stage was 8.5 feet. * Flood stage is 7.0 feet. * Moderate flooding is occurring and moderate flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 5:45 PM EST Monday was 8.5 feet. * Forecast...The river is expected to rise to a crest of 8.7 feet this evening. It will then fall below flood stage late this evening. * Impact at 5.5 feet...Flooding begins in adjacent open fields. Impact at 7.5 feet...Barley Mill Road begins to flood. Brandywine Springs Park floods. Impact at 8.5 feet...Flooding begins near Old Capital Trail and Newport Road. * Flood History...This crest compares to a previous crest of 8.6 feet on 07/28/2004. && Stream Fld Observed Fcsts (6 pm) Crest Location Stg Stg Day/Time Tue Stg Time Date Red Clay Creek Wooddale 7.0 8.5 Mon 5 pm 5.8 8.7 7pm 11/30 && LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565 $$ PO
403 WGUS81 KPHI 010056 FLSPHI Flood Statement National Weather Service Mount Holly NJ 756 PM EST Mon Nov 30 2020 ...The Flood Warning continues for the following rivers in Delaware... Red Clay Creek At Wooddale affecting New Castle County. For the Red Clay Creek...including Wooddale...Moderate flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. A Flood Warning means that flooding is imminent or occurring. All interested parties should take necessary precautions immediately. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov/phi. DEC003-010445- /O.EXT.KPHI.FL.W.0039.000000T0000Z-201201T0442Z/ /RCCD1.2.ER.201130T2030Z.201201T0300Z.201201T0842Z.NO/ 756 PM EST Mon Nov 30 2020 ...The Flood Warning is now in effect until late this evening... The Flood Warning continues for the Red Clay Creek At Wooddale. * Until this evening. * At 7:16 PM EST Monday the stage was 9.3 feet. * Flood stage is 7.0 feet. * Moderate flooding is occurring and moderate flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 7:16 PM EST Monday was 9.3 feet. * Forecast...The river is expected to rise to a crest of 9.8 feet late this evening. It will then fall below flood stage late tonight. * Impact at 5.5 feet...Flooding begins in adjacent open fields. Impact at 7.5 feet...Barley Mill Road begins to flood. Brandywine Springs Park floods. Impact at 8.5 feet...Flooding begins near Old Capital Trail and Newport Road. Impact at 10.0 feet...West Rolling Mill Road floods. Creek Road between Pyles Ford Road and Way Road is closed due to flooding. * Flood History...This crest compares to a previous crest of 9.9 feet on 09/12/1960. && Stream Fld Observed Fcsts (8 pm) Crest Location Stg Stg Day/Time Tue Stg Time Date Red Clay Creek Wooddale 7.0 9.3 Mon 7 pm 5.8 9.8 10pm 11/30 && LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565 $$ PO
096 WGUS81 KPHI 010240 FLSPHI Flood Statement National Weather Service Mount Holly NJ 940 PM EST Mon Nov 30 2020 ...The Flood Warning is extended for the Red Clay Creek at Wooddale... PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should not attempt to drive around barricades or through flooded areas. Additional information is available at www.weather.gov/phi. DEC003-011115- /O.EXT.KPHI.FL.W.0039.000000T0000Z-201201T1104Z/ /RCCD1.1.ER.201130T2030Z.201201T0100Z.201201T0504Z.NO/ 940 PM EST Mon Nov 30 2020 ...The Flood Warning is now in effect until tomorrow morning... The Flood Warning continues for the Red Clay Creek At Wooddale. * Until Tuesday morning. * At 9:30 PM the creek level was 8.4 feet. * Flood stage is 7.0 feet. * Minor flooding is occurring and is forecast to continue. * Forecast...The creek is expected to fall below flood stage just after midnight. * Impact at 7.5 feet...Barley Mill Road floods. Brandywine Springs Park floods. && Stream Fld Observed Fcsts (10 pm) Crest Location Stg Stg Day/Time Tue Wed Stg Time Date Red Clay Creek Wooddale 7.0 8.4 Mon 9 pm 4.4 MSG Crested && LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565 $$ Iovino
392 WGUS81 KPHI 010346 FLSPHI Flood Statement National Weather Service Mount Holly NJ 1046 PM EST Mon Nov 30 2020 ...The Flood Warning is cancelled for the Red Clay Creek At Wooddale... DEC003-010500- /O.CAN.KPHI.FL.W.0039.000000T0000Z-201201T0346Z/ /RCCD1.1.ER.700119T1419Z.700119T1419Z.700119T1419Z.NO/ 1046 PM EST Mon Nov 30 2020 ...The Flood Warning for the Red Clay Creek At Wooddale has been cancelled... The Flood Warning is cancelled for the Red Clay Creek At Wooddale. * At 10:30 PM Monday the creek level was 5.9 feet. * Flood stage is 7.0 feet. * Forecast...The creek level is expected to continue falling overnight. && Stream Fld Observed Fcsts (11 pm) Crest Location Stg Stg Day/Time Tue Wed Stg Time Date Red Clay Creek Wooddale 7.0 5.9 Mon 10 p 3.5 MSG Crested && LAT...LON 3976 7568 3977 7559 3968 7557 3968 7565 $$ Iovino
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 11:35 AM EST | River Flood Warning | PHI | New Castle | 11 hr |
| Nov 30, 12:15 PM EST | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Nov 30, 2:01 PM EST | Coastal Flood Statement | PHI | Sussex | 3 hr |
| Nov 30, 2:41 PM EST | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Nov 30, 2:48 PM EST | Areal Flood Warning | PHI | New Castle | 8 hr |
| Nov 30, 3:01 PM EST | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Nov 30, 3:04 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle | 56 min |
| Nov 30, 3:21 PM EST | Tornado Warning | PHI | Kent | 24 min |
| Nov 30, 3:47 PM EST | Tornado Warning | PHI | Kent | 28 min |
| Nov 30, 5:39 PM EST | River Flood Warning | PHI | New Castle | 4 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.