Alert archive / Delaware / River Flood Warnings in 2009

River Flood Warning 3, NWS Philadelphia/Mount Holly

June 18, 2009New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 18, 2009, 7:49 PM EDT for New Castle County, Delaware. It took effect at Jun 18, 2009, 9:55 PM EDT. It was in force for 77 min.

The area

The counties it named.

The facts

Issued: Jun 18, 2009, 7:49 PM EDT (23:49 UTC)
In effect from: Jun 18, 2009, 9:55 PM EDT
Expired: Jun 18, 2009, 11:12 PM EDT
In force: 77 min
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 23:51 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 10.77 ft at Jun 18, 2009, 9:00 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 182349
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
749 PM EDT THU JUN 18 2009

...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR THE
CHRISTINA RIVER IN DELAWARE... 

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

DEC003-190549-
/O.NEW.KPHI.FL.W.0003.090619T0155Z-090619T0924Z/
/CHBD1.1.ER.090619T0155Z.090619T0200Z.090619T0324Z.NO/
749 PM EDT THU JUN 18 2009

THE NATIONAL WEATHER SERVICE HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHRISTINA RIVER AT COOCHS BRIDGE.
* UNTIL LATE TONIGHT, OR UNTIL THE WARNING IS CANCELLED.
* AT 7:45 PM THE STAGE WAS 9.5 FEET AND RISING. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.5 FEET. 
* FORECAST...THE RIVER SHOULD RISE JUST ABOVE FLOOD STAGE BY
  830 PM AND IT SHOULD QUICKLY CREST, RETURNING BACK BELOW FLOOD
  STAGE BY MIDNIGHT.
* 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    9.5  THU 745 PM    10.7  THU 9 PM

&&

IOVINO

1 follow-up statement

000 
WGUS81 KPHI 190312
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1112 PM EDT THU JUN 18 2009

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

DEC003-190342-
/O.CAN.KPHI.FL.W.0003.000000T0000Z-090619T0924Z/
/CHBD1.1.ER.090619T0028Z.090619T0115Z.090619T0240Z.NO/
1112 PM EDT THU JUN 18 2009

* AT 11:00 PM THURSDAY THE STAGE WAS 10.3 FEET AND DROPPING. 
* NO ADDITIONAL FLOODING IS FORECAST.
* FLOOD STAGE IS 10.5 FEET. 
* 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   10.32  THU 11 PM   CRESTED AT 10.8 9:15 PM

&&

JAE/RPW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 2:53 PM EDT	Coastal Flood Advisory	PHI	New Castle	9 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.