Alert archive / Pennsylvania / River Flood Warnings in 2010

River Flood Warning 35, NWS Philadelphia/Mount Holly

March 13, 2010Montgomery County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 13, 2010, 9:40 PM EST for Montgomery County, Philadelphia County, Pennsylvania. It took effect at Mar 14, 2010, 5:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Mar 13, 2010, 9:40 PM EST (02:40 UTC)
In effect from: Mar 14, 2010, 5:00 AM EDT
Expired: Mar 14, 2010, 4:31 AM EDT
In force
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Minor

Counties Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 02:43 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 Schuylkill River at Philadelphia (PADP1). The gauge peaked at 10.64 ft at Mar 14, 2010, 1:00 AM EST.

Action stage: 10 ft
Minor stage: 11 ft
Moderate stage: 13 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01474500, 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.

433 
WGUS41 KPHI 140240
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
940 PM EST SAT MAR 13 2010

...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR THE 
SCHUYLKILL RIVER AT PHILADELPHIA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK IT IS.

&&

PAC091-101-140840-
/O.NEW.KPHI.FL.W.0035.100314T0900Z-100314T1845Z/
/PADP1.1.ER.100314T0900Z.100314T1200Z.100314T1245Z.NO/
940 PM EST SAT MAR 13 2010

THE NATIONAL WEATHER SERVICE HAS ISSUED A 

* FLOOD WARNING FOR 
  THE SCHUYLKILL RIVER AT PHILADELPHIA.
* FROM LATE TONIGHT TO SUNDAY AFTERNOON...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 9:30 PM, THE STAGE WAS 10.2 FEET AND RISING. 
* FLOOD STAGE IS 11.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...THE RIVER SHOULD RISE TO NEAR 11.1 FEET LATE TONIGHT. THE RIVER
  WILL FALL BACK BELOW FLOOD STAGE ON SUNDAY MORNING.
* IMPACT...AT 10.0 FEET, LOW LYING AREAS IN THE FLAT ROCK AREA FLOOD. 
  EAST AND WEST RIVER DRIVES IN FAIRMONT PARK ARE CLOSED.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SCHUYLKILL RIVER
  PHILADELPHIA     11.0   10.23  SAT 9 PM    11.1  SUN 8 AM 

&&

IOVINO

2 follow-up statements

904 
WGUS81 KPHI 140425
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1125 PM EST SAT MAR 13 2010

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  EAST BRANCH BRANDYWINE CREEK
  BRANDYWINE CREEK
  NESHAMINY CREEK
  PERKIOMEN CREEK
  LOWER SCHUYLKILL RIVER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK IT IS.

&&

PAC017-141425-
/O.CON.KPHI.FL.W.0012.000000T0000Z-100314T2100Z/
/LNGP1.3.ER.100313T2028Z.100314T0600Z.100314T1500Z.NO/
1125 PM EST SAT MAR 13 2010

THE FLOOD WARNING CONTINUES FOR 
  THE NESHAMINY CREEK AT LANGHORNE.
* UNTIL SUNDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:46 PM SATURDAY THE STAGE WAS 12.6 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 12.9 FEET OVERNIGHT.
  THE RIVER WILL FALL BACK BELOW FLOOD STAGE LATE SUNDAY MORNING.
* IMPACT...AT 11.0 FEET...CONSIDERABLE DAMAGE IS REPORTED THROUGHOUT THE
  LOWER NESHAMINY CREEK BASIN.

$$

PAC029-141117-
/O.EXT.KPHI.FL.W.0016.000000T0000Z-100314T1117Z/
/DWNP1.2.ER.100313T2119Z.100314T0145Z.100314T0517Z.NO/
1125 PM EST SAT MAR 13 2010

THE FLOOD WARNING CONTINUES FOR 
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL SUNDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:45 PM SATURDAY THE STAGE WAS 8.8 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE 
  OVERNIGHT.

$$

PAC029-045-141425-
/O.CON.KPHI.FL.W.0017.000000T0000Z-100314T1600Z/
/CDFP1.1.ER.100314T0220Z.100314T0600Z.100314T1000Z.NO/
1125 PM EST SAT MAR 13 2010

THE FLOOD WARNING CONTINUES FOR 
  THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL SUNDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:00 PM SATURDAY THE STAGE WAS 9.3 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 9.6 FEET OVERNIGHT.
  THE RIVER WILL FALL BELOW FLOOD STAGE ON SUNDAY MORNING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926 
  NEAR POCOPSON FLOODS.

$$

PAC091-141254-
/O.CON.KPHI.FL.W.0024.000000T0000Z-100314T1254Z/
/GRAP1.1.ER.100314T0505Z.100314T0600Z.100314T0654Z.NO/
1125 PM EST SAT MAR 13 2010

THE FLOOD WARNING CONTINUES FOR 
  THE PERKIOMEN CREEK AT GRATERFORD.
* UNTIL SUNDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:01 PM SATURDAY THE STAGE WAS 10.6 FEET. 
* FLOOD STAGE IS 11.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...THE RIVER SHOULD RISE TO NEAR 11.3 FEET OVERNIGHT. THE 
  RIVER WILL FALL BACK BELOW FLOOD STAGE BY MORNING.
* IMPACT...AT 12.0 FEET...PENITENTIARY BRIDGE IS CLOSED. FLOODING BEGINS 
  IN COLLEGVILLE. HOUSES ON THE RIGHT BANK IN GRATERFORD TAKE ON WATER.

$$

PAC091-101-141425-
/O.CON.KPHI.FL.W.0035.100314T0900Z-100314T1845Z/
/PADP1.1.ER.100314T0900Z.100314T1200Z.100314T1245Z.NO/
1125 PM EST SAT MAR 13 2010

THE FLOOD WARNING CONTINUES FOR 
  THE SCHUYLKILL RIVER AT PHILADELPHIA.
* FROM LATE TONIGHT TO SUNDAY AFTERNOON...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 11:00 PM SATURDAY THE STAGE WAS 10.5 FEET. 
* FLOOD STAGE IS 11.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...THE RIVER SHOULD RISE ABOVE FLOOD OVERNIGHT AND CONTINUE  
  RISING TO NEAR 11.1 FEET EARLY ON SUNDAY MORNING. THE RIVER WILL FALL BACK
  BELOW FLOOD STAGE LATE ON SUNDAY MORNING.
* IMPACT...AT 10.0 FEET...LOW LYING AREAS IN THE FLAT ROCK AREA FLOOD. 
  EAST AND WEST RIVER DRIVES IN FAIRMONT PARK ARE CLOSED.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SCHUYLKILL RIVER
  PHILADELPHIA     11.0   10.50  SAT 11 PM   11.1  SUN 8 AM 

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    8.80  SAT 11 PM    7.2  SUN 12 AM
  CHADDS FORD      9.0    9.31  SAT 11 PM    9.6  SUN 1 AM 

PERKIOMEN CREEK
  GRATERFORD       11.0   10.64  SAT 11 PM   11.3  SUN 1 AM 

NESHAMINY CREEK
  LANGHORNE        9.0   12.55  SAT 11 PM   12.9  SUN 1 AM 

&&

IOVINO

883 
WGUS81 KPHI 140831
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
431 AM EDT SUN MAR 14 2010

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN 
  PERKIOMEN CREEK AT GRATERFORD 
  SCHUYLKILL RIVER AT PHILADELPHIA 

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  BRANDYWINE CREEK AT CHADDS FORD   
  NESHAMINY CREEK AT LANGHORNE  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

PAC017-141831-
/O.EXT.KPHI.FL.W.0012.000000T0000Z-100314T2200Z/
/LNGP1.3.ER.100313T2028Z.100314T0615Z.100314T1600Z.NO/
431 AM EDT SUN MAR 14 2010

THE FLOOD WARNING CONTINUES FOR 
  THE NESHAMINY CREEK AT LANGHORNE.
* UNTIL THIS EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT  4:15 AM SUNDAY THE STAGE WAS 12.7 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MAJOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  THIS AFTERNOON.
* IMPACT...AT 11.0 FEET...AT THIS LEVEL CONSIDERABLE DAMAGE IS REPORTED 
  THROUGHOUT THE LOWER NESHAMINY CREEK BASIN

$$

PAC029-140901-
/O.CAN.KPHI.FL.W.0016.000000T0000Z-100314T1117Z/
/DWNP1.2.ER.100313T2119Z.100314T0145Z.100314T0538Z.NO/
431 AM EDT SUN MAR 14 2010

* AT  4:16 AM SUNDAY THE STAGE WAS 5.7 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.

$$

PAC029-045-141831-
/O.EXT.KPHI.FL.W.0017.000000T0000Z-100314T2100Z/
/CDFP1.1.ER.100314T0220Z.100314T1000Z.100314T1500Z.NO/
431 AM EDT SUN MAR 14 2010

THE FLOOD WARNING CONTINUES FOR 
  THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT  4:00 AM SUNDAY THE STAGE WAS 9.9 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.0 FEET BY THIS 
  MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE LATE THIS MORNING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926 
  NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.

$$

DEC003-141831-
/O.ROU.KPHI.HY.S.0000.000000T0000Z-000000T0000Z/
/WMND1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
431 AM EDT SUN MAR 14 2010

FORECAST INFORMATION FOR
  BRANDYWINE CREEK AT WILMINGTON.
* AT  3:45 AM SUNDAY THE STAGE WAS 15.4 FEET. 
* FLOOD STAGE IS 16.5 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* FORECAST...THE RIVER WILL RISE TO NEAR 15.7 FEET THIS MORNING. 
* IMPACT...AT 14.5 FEET...MINOR LOWLAND FLOODING ALONG THE CREEK IN PARK.

$$

PAC091-140901-
/O.CAN.KPHI.FL.W.0024.000000T0000Z-100314T1254Z/
/GRAP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
431 AM EDT SUN MAR 14 2010

FORECAST INFORMATION FOR
  PERKIOMEN CREEK AT GRATERFORD.
* AT  3:16 AM SUNDAY THE STAGE WAS 10.1 FEET. 
* FLOOD STAGE IS 11.0 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* IMPACT...AT 10.0 FEET...THE FIRST EVACUATIONS BEGIN IN SWENKSVILLE 
  UPSTREAM OF THE GAGE

$$

PAC029-091-101-141831-
/O.ROU.KPHI.HY.S.0000.000000T0000Z-000000T0000Z/
/NRSP1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
431 AM EDT SUN MAR 14 2010

FORECAST INFORMATION FOR
  SCHUYLKILL RIVER AT NORRISTOWN.
* AT  3:30 AM SUNDAY THE STAGE WAS 13.4 FEET. 
* FLOOD STAGE IS 17.0 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* FORECAST...THE RIVER WILL RISE TO NEAR 13.3 FEET THIS MORNING. 
* IMPACT...AT 15.0 FEET...RIVER ROAD IN WEST CONSHOHOCKEN BEGINS TO 
  FLOOD.

$$

PAC091-101-140901-
/O.CAN.KPHI.FL.W.0035.000000T0000Z-100314T1845Z/
/PADP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
431 AM EDT SUN MAR 14 2010

FORECAST INFORMATION FOR
  SCHUYLKILL RIVER AT PHILADELPHIA.
* AT  4:00 AM SUNDAY THE STAGE WAS 10.5 FEET. 
* FLOOD STAGE IS 11.0 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* IMPACT...AT 10.0 FEET...LOW LYING AREAS IN THE FLAT ROCK AREA FLOOD. 
  EAST AND WEST RIVER DRIVES IN FAIRMONT PARK ARE CLOSED

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SCHUYLKILL RIVER
  NORRISTOWN       17.0   13.42  SUN 3 AM    ALREADY CRESTED 
  PHILADELPHIA     11.0   10.54  SUN 4 AM    ALREADY CRESTED 

BRANDYWINE CREEK
  DOWNINGTOWN       7.0    5.73  SUN 4 AM    ALREADY CRESTED  
  CHADDS FORD       9.0    9.89  SUN 4 AM    10.0  SUN 6 AM 
  WILMINGTON       16.5   15.41  SUN 4 AM    15.7  SUN 8 AM 

PERKIOMEN CREEK
  GRATERFORD       11.0   10.05  SUN 3 AM    ALREADY CRESTED  

NESHAMINY CREEK
  LANGHORNE         9.0   12.72  SUN 4 AM    11.2  SUN 8 AM 

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 10:05 PM EST	Areal Flood Warning	PHI	Berks	5 hr
Mar 13, 11:10 PM EST	Coastal Flood Advisory	PHI	Delaware, Philadelphia	3 days
Mar 14, 1:47 AM EST	Areal Flood Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	20 hr
Mar 14, 3:23 PM EDT	Coastal Flood Advisory	PHI	Delaware, Philadelphia	63 hr

Nearby

River Flood Warnings in Pennsylvania, 2010 Every river flood warning in 2010

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.