Alert archive / Delaware / River Flood Warnings in 2012

River Flood Warning 19, NWS Philadelphia/Mount Holly

December 21, 2012New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 21, 2012, 7:10 AM EST for New Castle County, Delaware. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2012, 7:10 AM EST (12:10 UTC)
Expired: Dec 21, 2012, 12:02 PM EST
In force: 5 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Moderate

County New Castle County, DE

The river

Written for the forecast point Christina River at Coochs Bridge (CHBD1). The gauge peaked at 11.99 ft at Dec 21, 2012, 9:00 AM EST.

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.

142 
WGUS41 KPHI 211210
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
710 AM EST FRI DEC 21 2012

...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.

&&

DEC003-211810-
/O.NEW.KPHI.FL.W.0019.121221T1210Z-121221T2326Z/
/CHBD1.2.ER.121221T1035Z.121221T1400Z.121221T1726Z.NO/
710 AM EST FRI DEC 21 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL THIS EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 7:01 AM FRIDAY THE STAGE WAS 11.5 FEET. 
* FLOOD STAGE IS 10.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 12.1 FEET BY LATE THIS 
  MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE THIS AFTERNOON.
* 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   11.51  FRI 7 AM     12.1 FRI 9 AM 

&&

1 follow-up statement

750 
WGUS81 KPHI 211702
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1202 PM EST FRI DEC 21 2012

...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.

&&

DEC003-211732-
/O.CAN.KPHI.FL.W.0019.000000T0000Z-121221T2326Z/
/CHBD1.2.ER.121221T1035Z.121221T1401Z.121221T1636Z.NO/
1202 PM EST FRI DEC 21 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* AT 11:46 AM FRIDAY THE STAGE WAS 10.3 FEET. 
* FLOOD STAGE IS 10.5 FEET.
* FELL BELOW FLOOD STAGE AT 11:36 AM FRIDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 4.7 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   10.31  FRI 12 PM    CRESTED AND FALLING
 
&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 20, 9:11 PM EST	Wind Advisory	PHI	Kent, New Castle, Sussex	12 hr
Dec 21, 12:27 AM EST	Coastal Flood Warning	PHI	Kent, New Castle	11 hr
Dec 21, 5:33 AM EST	Areal Flood Warning	PHI	New Castle	4 hr
Dec 21, 7:56 AM EST	River Flood Warning	PHI	New Castle	4 hr
Dec 21, 8:49 AM EST	River Flood Warning	PHI	New Castle	3 hr
Dec 21, 3:16 PM EST	Wind Advisory	PHI	Kent, New Castle, Sussex	27 hr

Nearby

River Flood Warnings in Delaware, 2012 Every river flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.