Alert archive / Pennsylvania / River Flood Warnings in 2009
River Flood Warning 26, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 9, 2009, 10:40 AM EST for Chester County, Delaware County, Pennsylvania. It took effect at Dec 9, 2009, 4:33 PM EST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2009, 10:40 AM EST (15:40 UTC)
- In effect from
- Dec 9, 2009, 4:33 PM EST
- Expired
- Dec 9, 2009, 11:45 PM EST
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
Counties Chester County, PA, Delaware County, PA
The radar
The Philadelphia radar (KDIX), 99 km from the middle of the area, began a volume at 15:41 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 Brandywine Creek at Chadds Ford (CDFP1). The gauge peaked at 9.75 ft at Dec 9, 2009, 8:00 PM EST.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 11 ft
- Major stage
- 13 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01481000, 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 091540
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1040 AM EST WED DEC 09 2009
...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE
COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC029-045-092140-
/O.NEW.KPHI.FL.W.0026.091209T2200Z-091210T0843Z/
/CDFP1.1.ER.091209T2200Z.091210T0000Z.091210T0243Z.NO/
1040 AM EST WED DEC 09 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* TO LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:15 AM WEDNESDAY THE STAGE WAS 7.4 FEET.
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE THIS AFTERNOON AND CONTINUE
TO RISE TO NEAR 9.5 FEET BY THIS EVENING. THE RIVER WILL FALL BELOW
FLOOD STAGE BY TONIGHT.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926
NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 7.44 WED 10 AM 9.5 WED 7 PM
&&3 follow-up statements
000
WGUS81 KPHI 092100
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
400 PM EST WED DEC 09 2009
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC029-045-100700-
/O.EXT.KPHI.FL.W.0026.091209T2133Z-091210T0730Z/
/CDFP1.1.ER.091209T2133Z.091210T0000Z.091210T0130Z.NO/
400 PM EST WED DEC 09 2009
THE FLOOD WARNING CONTINUES FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:30 PM WEDNESDAY THE STAGE WAS 8.9 FEET.
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...RISE TO NEAR 9.3 FEET EARLY THIS EVENING. FALL BELOW
FLOOD STAGE LATE THIS EVENING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926
NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 8.87 WED 3 PM 9.3 WED 7 PM
&&
KRUZDLO000
WGUS81 KPHI 100135
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
835 PM EST WED DEC 09 2009
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC029-045-101135-
/O.EXT.KPHI.FL.W.0026.000000T0000Z-091210T1828Z/
/CDFP1.1.ER.091209T2100Z.091210T0300Z.091210T1228Z.NO/
835 PM EST WED DEC 09 2009
THE FLOOD WARNING CONTINUES FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL THURSDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 8:15 PM WEDNESDAY THE STAGE WAS 9.8 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.0 FEET
TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE TOMORROW MORNING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926
NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 9.76 WED 8 PM 10.0 WED 10 PM
&&000
WGUS81 KPHI 100445
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1145 PM EST WED DEC 09 2009
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE
COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC029-045-100515-
/O.CAN.KPHI.FL.W.0026.000000T0000Z-091210T1828Z/
/CDFP1.1.ER.091209T2100Z.091210T0130Z.091210T0408Z.NO/
1145 PM EST WED DEC 09 2009
* AT 11:15 PM WEDNESDAY THE STAGE WAS 8.9 FEET.
* NO FLOODING IS CURRENTLY FORECAST.
* FLOOD STAGE IS 9.0 FEET.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 8.94 WED 11 PM 8.6 THU 1 AM
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 6:53 AM EST | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 8 hr |
| Dec 9, 7:47 AM EST | Areal Flood Warning | PHI | Bucks, Chester, Montgomery | 7 hr |
| Dec 9, 8:16 AM EST | River Flood Warning | PHI | Bucks | 12 hr |
| Dec 9, 8:25 AM EST | River Flood Warning | PHI | Delaware | 5 hr |
| Dec 9, 9:58 AM EST | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Dec 9, 10:19 AM EST | River Flood Warning | PHI | Chester | 7 hr |
| Dec 9, 11:36 AM EST | River Flood Warning | PHI | Montgomery | 5 hr |
| Dec 9, 12:00 PM EST | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 33 hr |
| Dec 9, 1:15 PM EST | Areal Flood Warning | PHI | Berks | 4 hr |
| Dec 9, 2:26 PM EST | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 7 hr |
| Dec 9, 2:55 PM EST | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
Nearby
River Flood Warnings in Pennsylvania, 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.