Alert archive / Delaware / River Flood Warnings in 2011
River Flood Warning 140, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Sep 6, 2011, 4:24 PM EDT for New Castle County, Delaware. It took effect at Sep 6, 2011, 6:02 PM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 6, 2011, 4:24 PM EDT (20:24 UTC)
- In effect from
- Sep 6, 2011, 6:02 PM EDT
- Expired
- Sep 7, 2011, 8:21 AM EDT
- In force
- 14 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 20:27 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 11.80 ft at Sep 6, 2011, 10:00 PM 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, in the capitals the NWS used until 2016.
989
WGUS41 KPHI 062024
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
424 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...
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.
&&
DEC003-070224-
/O.NEW.KPHI.FL.W.0140.110906T2202Z-110907T1000Z/
/CHBD1.1.ER.110906T2202Z.110907T0000Z.110907T0400Z.NO/
424 PM EDT TUE SEP 6 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL WEDNESDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 4:15 PM TUESDAY THE STAGE WAS 9.6 FEET.
* FLOOD STAGE IS 10.5 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE AND CONTINUE TO RISE TO
NEAR 11.2 FEET BY THIS EVENING. THE RIVER WILL FALL BELOW FLOOD
STAGE AFTER MIDNIGHT TONIGHT.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHRISTINA RIVER
COOCHS BRIDGE 10.5 9.61 TUE 4 PM 11.2 TUE 8 PM
&&4 follow-up statements
449
WGUS41 KPHI 070003
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
803 PM EDT TUE SEP 6 2011
...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY FOR THE
FOLLOWING RIVERS IN DELAWARE...
CHRISTINA RIVER AT COOCHS BRIDGE AFFECTING NEW CASTLE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-070603-
/O.CON.KPHI.FL.W.0140.000000T0000Z-110907T1000Z/
/CHBD1.2.ER.110906T2127Z.110907T0100Z.110907T0400Z.NO/
803 PM EDT TUE SEP 6 2011
...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
THE FLOOD WARNING CONTINUES FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL WEDNESDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 7:46 PM TUESDAY THE STAGE WAS 11.4 FEET.
* FLOOD STAGE IS 10.5 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 11.5 FEET BY
TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE AFTER MIDNIGHT TONIGHT.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHRISTINA RIVER
COOCHS BRIDGE 10.5 11.43 TUE 8 PM 11.5 TUE 9 PM
&&050
WGUS81 KPHI 070240
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1040 PM EDT TUE SEP 6 2011
...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.
&&
DEC003-071240-
/O.EXT.KPHI.FL.W.0140.000000T0000Z-110907T1245Z/
/CHBD1.2.ER.110906T2127Z.110907T0216Z.110907T0645Z.NO/
1040 PM EDT TUE SEP 6 2011
...FLOOD WARNING EXTENDED UNTIL WEDNESDAY MORNING...THE FLOOD WARNING
CONTINUES FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL WEDNESDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:30 PM TUESDAY THE STAGE WAS 11.8 FEET.
* FLOOD STAGE IS 10.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL REMAIN ABOVE FLOOD STAGE UNTIL AFTER
MIDNIGHT...THEN FALL TO BELOW FLOOD STAGE BY MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHRISTINA RIVER
COOCHS BRIDGE 10.5 11.79 TUE 10 PM 11.8 TUE 11 PM
&&078
WGUS41 KPHI 070416
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1216 AM EDT WED SEP 7 2011
EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN AFFECTING CHESTER
COUNTY
CHRISTINA RIVER AT COOCHS BRIDGE AFFECTING NEW CASTLE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-071016-
/O.EXT.KPHI.FL.W.0140.000000T0000Z-110907T1222Z/
/CHBD1.2.ER.110906T2127Z.110907T0216Z.110907T0622Z.NO/
1216 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 12:01 AM WEDNESDAY THE STAGE WAS 11.6 FEET.
* FLOOD STAGE IS 10.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
AFTER MIDNIGHT THIS MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
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.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 7.44 WED 12 AM 7.4 WED 1 AM
CHRISTINA RIVER
COOCHS BRIDGE 10.5 11.64 WED 12 AM 11.2 WED 1 AM
WHITE CLAY CREEK
NEWARK 13.0 12.59 WED 12 AM 12.2 WED 1 AM
BRANDYWINE CREEK
DOWNINGTOWN 7.0 8.13 WED 12 AM 8.1 WED 1 AM
&&587
WGUS81 KPHI 071221
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
821 AM EDT WED SEP 7 2011
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
DELAWARE...
CHRISTINA RIVER AT COOCHS BRIDGE AFFECTING NEW CASTLE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-071251-
/O.CAN.KPHI.FL.W.0140.000000T0000Z-110907T1222Z/
/CHBD1.2.ER.110906T2127Z.110907T0216Z.110907T1143Z.NO/
821 AM EDT WED SEP 7 2011
THE FLOOD WARNING IS CANCELLED FOR
THE CHRISTINA RIVER AT COOCHS BRIDGE.
* AT 8:15 AM WEDNESDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 10.5 FEET.
* FELL BELOW FLOOD STAGE AT 7:43 AM WEDNESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 5.8 FEET BY TOMORROW
MORNING.
* IMPACT...AT 10.0 FEET...FLOODING BEGINS IN THE TOWN OF CHRISTIANA.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHRISTINA RIVER
COOCHS BRIDGE 10.5 9.92 WED 8 AM CRESTED
&&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, 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 |
| Sep 6, 7:59 PM EDT | River Flood Warning | PHI | New Castle | 4 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.