Alert archive / Delaware / River Flood Warnings in 2009

River Flood Warning 15, NWS Philadelphia/Mount Holly

September 11, 2009New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Sep 11, 2009, 10:40 AM EDT for New Castle County, Delaware. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Sep 11, 2009, 10:40 AM EDT (14:40 UTC)
Expired: Sep 11, 2009, 3:10 PM EDT
In force: 5 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 14:42 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 10.80 ft at Sep 11, 2009, 12:00 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.

000 
WGUS41 KPHI 111445
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1045 AM EDT FRI SEP 11 2009

...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

...MINOR FLOODING IS FORECAST FOR THE CHRISTINA RIVER...

DEC003-112045-
/O.NEW.KPHI.FL.W.0015.090911T1440Z-090911T2118Z/
/CHBD1.1.ER.090911T1440Z.090911T1500Z.090911T1518Z.NO/
1045 AM EDT FRI SEP 11 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:30 AM FRIDAY THE STAGE WAS 10.4 FEET. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.5 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE AND CONTINUE TO RISE TO NEAR
  10.6 FEET BY LATE THIS MORNING. THE RIVER WILL FALL BELOW FLOOD
  STAGE BY EARLY AFTERNOON.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHRISTINA RIVER
  COOCHS BRIDGE    10.5   10.39  FRI 10 AM   10.6  FRI 11 AM

&&

1 follow-up statement

000 
WGUS81 KPHI 111910
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
310 PM EDT FRI SEP 11 2009

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVER IN 
DELAWARE...
 
  CHRISTINA RIVER AT COOCHS BRIDGE AFFECTING NEW CASTLE COUNTY

DEC003-111940-
/O.CAN.KPHI.FL.W.0015.000000T0000Z-090911T2118Z/
/CHBD1.1.ER.090911T1447Z.090911T1615Z.090911T1806Z.NO/
310 PM EDT FRI SEP 11 2009

* AT 3:00 PM FRIDAY THE STAGE WAS 10.0 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* FLOOD STAGE IS 10.5 FEET. 

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHRISTINA RIVER
  COOCHS BRIDGE    10.5    9.99  FRI 3 PM     CRESTED

&&

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 11, 3:07 AM EDT	Coastal Flood Advisory	PHI	Kent, New Castle, Sussex	12 hr
Sep 11, 8:41 AM EDT	Areal Flood Advisory	PHI	New Castle	3 hr
Sep 11, 8:58 AM EDT	Coastal Flood Statement	PHI	Sussex	35 hr
Sep 11, 10:55 AM EDT	Areal Flood Advisory	PHI	Kent, New Castle	3 hr

Nearby

River Flood Warnings in Delaware, 2009 Every river flood warning in 2009

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.