Alert archive / Delaware / River Flood Warnings in 2009
River Flood Warning 34, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 26, 2009, 12:37 PM EST for New Castle County, Delaware. It took effect at Dec 26, 2009, 12:55 PM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2009, 12:37 PM EST (17:37 UTC)
- In effect from
- Dec 26, 2009, 12:55 PM EST
- Expired
- Dec 26, 2009, 6:25 PM EST
- In force
- 6 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 17:36 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 13.21 ft at Dec 26, 2009, 4:00 PM EST.
- 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.
000
WGUS41 KPHI 261737
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1237 PM EST SAT DEC 26 2009
...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.
&&
DEC003-262337-
/O.NEW.KPHI.FL.W.0034.091226T1755Z-091227T0637Z/
/DPKD1.1.ER.091226T1755Z.091226T2000Z.091227T0037Z.NO/
1237 PM EST SAT DEC 26 2009
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 12:15 PM SATURDAY THE STAGE WAS 12.6 FEET.
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE EARLY THIS AFTERNOON AND CONTINUE
TO RISE TO NEAR 13.5 FEET BY LATE THIS AFTERNOON. THE RIVER WILL FALL
BELOW FLOOD STAGE BY THIS EVENING.
* IMPACT...AT 13.5 FEET...BUSINESSES IN THE AREA BEGIN TO FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
WHITE CLAY CREEK
NEWARK 13.0 12.64 SAT 12 PM 13.5 SAT 3 PM
&&1 follow-up statement
000
WGUS81 KPHI 262325
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
625 PM EST SAT DEC 26 2009
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
DELAWARE...
WHITE CLAY CREEK NEAR NEWARK AFFECTING NEW CASTLE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
DEC003-262355-
/O.CAN.KPHI.FL.W.0034.000000T0000Z-091227T0637Z/
/DPKD1.1.ER.091226T1808Z.091226T2015Z.091226T2252Z.NO/
625 PM EST SAT DEC 26 2009
THE FLOOD WARNING IS CANCELLED FOR
THE WHITE CLAY CREEK NEAR NEWARK.
* AT 6:15 PM SATURDAY THE STAGE WAS 12.9 FEET.
* FELL BELOW FLOOD STAGE AT 5:52 PM SATURDAY.
* FLOOD STAGE IS 13.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL THROUGH TOMORROW
MORNING.
* IMPACT...AT 13.3 FEET...DELAWARE ROUTE 7 BEGINS TO FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
WHITE CLAY CREEK
NEWARK 13.0 12.87 SAT 6 PM CRESTED EARLIER
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 2:34 AM EST | River Flood Warning | PHI | New Castle | 18 hr |
| Dec 26, 7:42 AM EST | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 15 hr |
| Dec 26, 10:28 AM EST | Areal Flood Warning | PHI | New Castle | 20 hr |
| Dec 26, 3:11 PM EST | River Flood Warning | PHI | New Castle | 3 hr |
Nearby
River Flood Warnings in Delaware, 2009Every 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.