Alert archive / Pennsylvania / River Flood Warnings in 2011
River Flood Warning 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Mar 7, 2011, 1:25 AM EST for Bucks County, Pennsylvania. It took effect at Mar 7, 2011, 4:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 7, 2011, 1:25 AM EST (06:25 UTC)
- In effect from
- Mar 7, 2011, 4:00 AM EST
- Expired
- Mar 7, 2011, 10:02 AM EST
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 06:27 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 Neshaminy Creek near Langhorne (LNGP1).
- 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.
The text
As transmitted, in the capitals the NWS used until 2016.
921
WGUS41 KPHI 070625
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
125 AM EST MON MAR 7 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.
&&
PAC017-071225-
/O.NEW.KPHI.FL.W.0008.110307T0900Z-110307T1812Z/
/LNGP1.1.ER.110307T0900Z.110307T1100Z.110307T1212Z.NO/
125 AM EST MON MAR 7 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 1:01 AM MONDAY THE STAGE WAS 8.1 FEET.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE VERY EARLY THIS MORNING AND CONTINUE
TO RISE TO NEAR 9.1 FEET BY MID-MORNING. THE RIVER WILL FALL BELOW
FLOOD STAGE BY NOON.
* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH SOME HOMES FLOODED IN
LANGHORNE TERRACE
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 8.09 MON 1 AM 9.1 MON 6 AM
&&3 follow-up statements
828
WGUS81 KPHI 071019
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
519 AM EST MON MAR 7 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC017-071853-
/O.EXT.KPHI.FL.W.0008.000000T0000Z-110307T1853Z/
/LNGP1.1.ER.110307T0756Z.110307T0915Z.110307T1253Z.NO/
519 AM EST MON MAR 7 2011
THE FLOOD WARNING CONTINUES FOR
THE NESHAMINY CREEK AT LANGHORNE.
* AT 4:15 AM MONDAY THE STAGE WAS 9.5 FEET.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE
THIS MORNING.
* IMPACT...AT 10.0 FEET...AT THIS LEVEL SOME HOMES IN THE AREA OF THE
LANGHORNE GAGE ARE EVACUATED
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 9.51 MON 4 AM 9.4 MON 7 AM
&&066
WGUS81 KPHI 071401
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
901 AM EST MON MAR 7 2011
...THE FLOOD WARNING CONTINUES 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.
&&
PAC017-072100-
/O.EXT.KPHI.FL.W.0008.000000T0000Z-110307T2100Z/
/LNGP1.1.ER.110307T0756Z.110307T1030Z.110307T1500Z.NO/
901 AM EST MON MAR 7 2011
THE FLOOD WARNING CONTINUES FOR
THE NESHAMINY CREEK AT LANGHORNE.
* AT 8:15 AM MONDAY THE STAGE WAS 9.4 FEET.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
LATE THIS MORNING.
* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH SOME HOMES FLOODED IN
LANGHORNE TERRACE
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 9.36 MON 8 AM 9.0 MON 10 AM
&&651
WGUS81 KPHI 071502
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1002 AM EST MON MAR 7 2011
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY
&&
PAC017-071532-
/O.CAN.KPHI.FL.W.0008.000000T0000Z-110307T2100Z/
/LNGP1.1.ER.110307T0756Z.110307T1030Z.110307T1415Z.NO/
1002 AM EST MON MAR 7 2011
THE FLOOD WARNING IS CANCELLED FOR
THE NESHAMINY CREEK AT LANGHORNE.
* AT 9:45 AM MONDAY THE STAGE WAS 8.8 FEET.
* FLOOD STAGE IS 9.0 FEET.
* FELL BELOW FLOOD STAGE AT 9:15 AM MONDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 3.8 FEET BY TOMORROW
MORNING.
* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH SOME HOMES FLOODED IN
LANGHORNE TERRACE
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 8.75 MON 10 AM 8.2 MON 1 PM
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:30 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
| Mar 6, 9:31 PM EST | Areal Flood Warning | PHI | Carbon, Monroe | 6 hr |
| Mar 6, 10:11 PM EST | Areal Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 9 hr |
| Mar 6, 11:29 PM EST | Areal Flood Advisory | PHI | Berks | 5 hr |
| Mar 7, 3:18 AM EST | Areal Flood Advisory | PHI | Monroe | 3 hr |
| Mar 7, 3:55 AM EST | River Flood Warning | PHI | Monroe | 5 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Northampton | 17 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Bucks | 17 hr |
| Mar 7, 8:55 AM EST | River Flood Warning | PHI | Monroe, Northampton | 11 hr |
| Mar 7, 6:19 PM EST | Areal Flood Warning | PHI | Monroe | 5 hr |
Nearby
River Flood Warnings in Pennsylvania, 2011Every river flood warning in 2011
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.