River Flood Warning 197, NWS Philadelphia/Mount Holly

Issued

Sep 24, 2011, 1:04 AM EDT (05:04 UTC)

In effect from

Sep 24, 2011, 2:00 AM EDT

Expired

Sep 24, 2011, 6:04 AM EDT

In force

4 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

Minor

County Bucks County, PA

The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 05:06 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.

Written for the forecast point Neshaminy Creek near Langhorne (LNGP1). The gauge peaked at 7.76 ft at Sep 24, 2011, 2:00 AM EDT.

Action stage

8 ft

Minor stage

9 ft

Moderate stage

12 ft

Major stage

14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01465500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

017 
WGUS41 KPHI 240504
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
104 AM EDT SAT SEP 24 2011

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... 

  NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC017-241104-
/O.NEW.KPHI.FL.W.0197.110924T0600Z-110924T1800Z/
/LNGP1.1.ER.110924T0600Z.110924T0800Z.110924T1200Z.NO/
104 AM EDT SAT SEP 24 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE NESHAMINY CREEK AT LANGHORNE.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 12:45 AM SATURDAY THE STAGE WAS 7.0 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY 2 AM TODAY AND 
  CONTINUE TO RISE TO NEAR 9.5 FEET BEFORE DAYBREAK. THE RIVER 
  WILL FALL BELOW FLOOD STAGE SHORTLY AFTER DAYBREAK.
* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH SOME HOMES FLOODED IN 
  LANGHORNE TERRACE

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

NESHAMINY CREEK
  LANGHORNE        9.0    7.04  SAT 1 AM     9.5  SAT 4 AM 

&&

716 
WGUS81 KPHI 241004
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
604 AM EDT SAT SEP 24 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVER IN 
PENNSYLVANIA...
 
  NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC017-241034-
/O.CAN.KPHI.FL.W.0197.000000T0000Z-110924T1800Z/
/LNGP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
604 AM EDT SAT SEP 24 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE NESHAMINY CREEK AT LANGHORNE.
* AT  5:15 AM SATURDAY THE STAGE WAS 5.3 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...FLOODING IS NO LONGER FORECAST. THE RIVER IS FORECAST TO 
  REACH A SECONDARY CREST OF 6.9 FEET...BUT IS EXPECTED TO REMAIN 
  BELOW FLOOD STAGE. 

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

NESHAMINY CREEK
  LANGHORNE        9.0    5.28  SAT 5 AM     6.9  SAT 8 AM 

&&

River Flood Warnings in Pennsylvania, 2011Every river flood warning in 2011

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.