Alert archive / Delaware / River Flood Warnings in 2011
River Flood Warning 148, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Sep 6, 2011, 7:59 PM EDT for New Castle County, Delaware. It took effect at Sep 6, 2011, 9:05 PM EDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 6, 2011, 7:59 PM EDT (23:59 UTC)
- In effect from
- Sep 6, 2011, 9:05 PM EDT
- Expired
- Sep 7, 2011, 12:16 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
County New Castle County, DE
The radar
The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 00:00 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 12.88 ft at Sep 7, 2011, 7:00 AM EDT.
- 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, in the capitals the NWS used until 2016.
855
WGUS41 KPHI 062359
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
759 PM EDT TUE SEP 6 2011
...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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-070559-
/O.NEW.KPHI.FL.W.0148.110907T0105Z-110907T0936Z/
/DPKD1.1.ER.110907T0105Z.110907T0300Z.110907T0336Z.NO/
759 PM EDT TUE SEP 6 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE WHITE CLAY CREEK NEAR NEWARK.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 7:46 PM TUESDAY THE STAGE WAS 11.4 FEET.
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE TO
NEAR 13.6 FEET BY TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY
LATE TONIGHT.
* IMPACT...AT 13.5 FEET...BUSINESSES IN THE AREA BEGIN TO FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
WHITE CLAY CREEK
NEWARK 13.0 11.35 TUE 8 PM 13.6 TUE 11 PM
&&1 follow-up statement
078
WGUS41 KPHI 070416
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1216 AM EDT WED SEP 7 2011
EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN AFFECTING CHESTER
COUNTY
CHRISTINA RIVER AT COOCHS BRIDGE AFFECTING NEW CASTLE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-071016-
/O.EXT.KPHI.FL.W.0140.000000T0000Z-110907T1222Z/
/CHBD1.2.ER.110906T2127Z.110907T0216Z.110907T0622Z.NO/
1216 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 12:01 AM WEDNESDAY THE STAGE WAS 11.6 FEET.
* FLOOD STAGE IS 10.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
AFTER MIDNIGHT THIS MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
PAC029-071016-
/O.EXT.KPHI.FL.W.0145.000000T0000Z-110907T1305Z/
/DWNP1.1.ER.110907T0039Z.110907T0330Z.110907T0705Z.NO/
1216 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL THIS MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:45 PM TUESDAY THE STAGE WAS 8.1 FEET.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL FALL TO BELOW FLOOD STAGE BY
EARLY THIS MORNING.
$$
PAC045-070446-
/O.CAN.KPHI.FL.W.0146.000000T0000Z-110907T0921Z/
/CHSP1.1.ER.110907T0028Z.110907T0215Z.110907T0315Z.NO/
1216 AM EDT WED SEP 7 2011
* AT 12:00 AM WEDNESDAY THE STAGE WAS 7.4 FEET.
* FLOOD STAGE IS 8.0 FEET.
* NO FLOODING IS CURRENTLY FORECAST.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.
$$
DEC003-070446-
/O.CAN.KPHI.FL.W.0148.000000T0000Z-110907T0936Z/
/DPKD1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1216 AM EDT WED SEP 7 2011
* AT 11:46 PM TUESDAY THE STAGE WAS 12.6 FEET.
* FLOOD STAGE IS 13.0 FEET.
* NO FLOODING IS CURRENTLY FORECAST.
* IMPACT...AT 13.3 FEET...DELAWARE ROUTE 7 BEGINS TO FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 7.44 WED 12 AM 7.4 WED 1 AM
CHRISTINA RIVER
COOCHS BRIDGE 10.5 11.64 WED 12 AM 11.2 WED 1 AM
WHITE CLAY CREEK
NEWARK 13.0 12.59 WED 12 AM 12.2 WED 1 AM
BRANDYWINE CREEK
DOWNINGTOWN 7.0 8.13 WED 12 AM 8.1 WED 1 AM
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 12:22 AM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Sep 6, 4:17 AM EDT | Special Weather Statement | PHI | Sussex | 43 min |
| Sep 6, 4:24 PM EDT | River Flood Warning | PHI | New Castle | 16 hr |
| Sep 6, 5:43 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Sep 6, 5:44 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 2 hr |
Nearby
River Flood Warnings in Delaware, 2011Every river flood warning in 2011
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.