Alert archive / Delaware / River Flood Warnings in 2020
River Flood Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Nov 11, 2020, 8:32 PM EST for New Castle County, Delaware. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- Nov 11, 2020, 8:32 PM EST (01:32 UTC)
- Expired
- Nov 11, 2020, 9:28 PM EST
- In force
- 56 min
- 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), 100 km from the middle of the area, began a volume at 01:31 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 White Clay Creek near Newark (DPKD1). The gauge peaked at 13.04 ft at Nov 11, 2020, 8:00 PM EST.
- Action stage
- 11 ft
- Minor stage
- 13 ft
- Moderate stage
- 15 ft
- Major stage
- 16.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01479000, 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.
469 WGUS41 KPHI 120132 FLWPHI BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Mount Holly NJ 832 PM EST Wed Nov 11 2020 ...The National Weather Service in Mount Holly NJ has issued a Flood Warning for the following rivers in Delaware... White Clay Creek Near Newark affecting New Castle County. For the White Clay Creek...including Newark...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Warning means that flooding is imminent or occurring. All interested parties should take necessary precautions immediately. Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/phi. DEC003-120915- /O.NEW.KPHI.FL.W.0035.201112T0132Z-201112T0905Z/ /DPKD1.1.ER.201112T0058Z.201112T0200Z.201112T0304Z.NO/ 832 PM EST Wed Nov 11 2020 The National Weather Service in Mount Holly has issued a * Flood Warning for the White Clay Creek Near Newark. * From this evening to late tonight. * At 8:15 PM EST Wednesday the stage was 13.2 feet. * Flood stage is 13.0 feet. * Minor flooding is occurring and minor flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 8:15 PM EST Wednesday was 13.2 feet. * Forecast...The river is expected to rise to a crest of 13.3 feet late this evening. It will then fall below flood stage late this evening. * Impact at 11.0 feet...Flooding begins into adjacent open fields. Impact at 13.3 feet...Delaware Route 7, Stanton Christiana Road, begins to flood. Impact at 13.5 feet...Businesses on Delaware Route 7 begin to flood. * Flood History...This crest compares to a previous crest of 13.3 feet on 10/28/2003. && Stream Fld Observed Fcsts (9 pm) Crest Location Stg Stg Day/Time Thu Fri Stg Time Date White Clay Creek Newark 13.0 13.2 Wed 8 pm 6.4 MSG 13.3 9pm 11/11 && LAT...LON 3972 7576 3973 7566 3967 7564 3966 7574 $$ Iovino
1 follow-up statement
823 WGUS81 KPHI 120228 FLSPHI Flood Statement National Weather Service Mount Holly NJ 928 PM EST Wed Nov 11 2020 ...The Flood Warning is cancelled for the following rivers in Delaware... White Clay Creek Near Newark affecting New Castle County. DEC003-120330- /O.CAN.KPHI.FL.W.0035.000000T0000Z-201112T0228Z/ /DPKD1.1.ER.700119T1352Z.700119T1352Z.700119T1352Z.NO/ 928 PM EST Wed Nov 11 2020 ...The Flood Warning for the White Clay Creek Near Newark has been cancelled... The Flood Warning is cancelled for the White Clay Creek Near Newark. * At 9:15 PM EST Wednesday the stage was 12.4 feet. * Flood stage is 13.0 feet. * Forecast...The river is expected to fall to 6.6 feet Friday morning. && Stream Fld Observed Fcsts (9 pm) Crest Location Stg Stg Day/Time Thu Fri Stg Time Date White Clay Creek Newark 13.0 12.4 Wed 9 pm 6.8 MSG Crested && LAT...LON 3972 7576 3973 7566 3967 7564 3966 7574 $$ Iovino
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 9:03 PM EST | River Flood Warning | PHI | New Castle | 6 hr |
| Nov 11, 10:54 PM EST | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Nov 12, 1:43 AM EST | Areal Flood Advisory | PHI | Kent, New Castle | 2 hr |
| Nov 12, 4:16 AM EST | Areal Flood Advisory | PHI | Sussex | 110 min |
| Nov 12, 6:06 AM EST | Areal Flood Warning | PHI | Sussex | 4 hr |
| Nov 12, 10:15 AM EST | Areal Flood Advisory | PHI | Sussex | 5 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.