Alert archive / Pennsylvania / River Flood Warnings in 2012
River Flood Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 21, 2012, 12:08 PM EST for Chester County, Delaware County, Pennsylvania. It took effect at Dec 21, 2012, 12:20 PM EST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2012, 12:08 PM EST (17:08 UTC)
- In effect from
- Dec 21, 2012, 12:20 PM EST
- Expired
- Dec 21, 2012, 5:13 PM EST
- In force
- 5 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 17:08 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 9.12 ft at Dec 21, 2012, 3:00 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.
736
WGUS41 KPHI 211708
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1208 PM EST FRI DEC 21 2012
...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.
&&
PAC029-045-212308-
/O.NEW.KPHI.FL.W.0024.121221T1720Z-121222T0112Z/
/CDFP1.1.ER.121221T1720Z.121221T1800Z.121221T1912Z.NO/
1208 PM EST FRI DEC 21 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL THIS EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:30 AM FRIDAY THE STAGE WAS 8.9 FEET.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS FORECAST.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926 NEAR
POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 8.87 FRI 11 AM 9.1 FRI 1 PM
&&2 follow-up statements
657
WGUS81 KPHI 211848
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
148 PM EST FRI DEC 21 2012
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE WATER MAY BE
DEEPER THAN YOU THINK.
&&
PAC029-045-220448-
/O.EXT.KPHI.FL.W.0024.000000T0000Z-121222T0700Z/
/CDFP1.1.ER.121221T1732Z.121222T0000Z.121222T0100Z.NO/
148 PM EST FRI DEC 21 2012
THE FLOOD WARNING CONTINUES FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* AT 1:30 PM FRIDAY THE STAGE WAS 9.1 FEET.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 9.3 FEET BY THIS EVENING.
THE RIVER WILL FALL BELOW FLOOD STAGE TONIGHT.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926 NEAR
POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
CHADDS FORD 9.0 9.07 FRI 1 PM 9.3 FRI 7 PM
&&073
WGUS81 KPHI 212213
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
513 PM EST FRI DEC 21 2012
...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.
&&
PAC029-045-212243-
/O.CAN.KPHI.FL.W.0024.000000T0000Z-121222T0700Z/
/CDFP1.1.ER.121221T1732Z.121221T2000Z.121221T2045Z.NO/
513 PM EST FRI DEC 21 2012
THE FLOOD WARNING IS CANCELLED FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* AT 4:30 PM FRIDAY THE STAGE WAS 8.8 FEET.
* FLOOD STAGE IS 9.0 FEET.
* FELL BELOW FLOOD STAGE AT 3:45 PM FRIDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 5.6 FEET BY 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 8.79 FRI 4 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, 9:00 PM EST | Winter Weather Advisory | PHI | Carbon, Monroe | 2 hr |
| Dec 20, 9:11 PM EST | Wind Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 12 hr |
| Dec 21, 12:27 AM EST | Coastal Flood Warning | PHI | Delaware, Philadelphia | 11 hr |
| Dec 21, 4:44 AM EST | Areal Flood Warning | PHI | Chester, Montgomery | 14 hr |
| Dec 21, 5:17 AM EST | Areal Flood Warning | PHI | Delaware | 4 hr |
| Dec 21, 5:39 AM EST | Areal Flood Warning | PHI | Bucks | 10 hr |
| Dec 21, 7:15 AM EST | River Flood Warning | PHI | Delaware | 4 hr |
| Dec 21, 7:36 AM EST | Areal Flood Warning | PHI | Monroe, Northampton | 15 hr |
| Dec 21, 7:49 AM EST | Areal Flood Warning | PHI | Philadelphia | 11 hr |
| Dec 21, 9:24 AM EST | Areal Flood Warning | PHI | Delaware | 4 hr |
| Dec 21, 9:36 AM EST | River Flood Warning | PHI | Bucks | 10 hr |
| Dec 21, 3:16 PM EST | Wind Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 27 hr |
Nearby
River Flood Warnings in Pennsylvania, 2012Every 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.