Alert archive / Pennsylvania / River Flood Warnings in 2011
River Flood Warning 158, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Sep 6, 2011, 11:19 PM EDT for Montgomery County, Pennsylvania. It took effect at Sep 7, 2011, 12:00 AM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Sep 6, 2011, 11:19 PM EDT (03:19 UTC)
- In effect from
- Sep 7, 2011, 12:00 AM EDT
- Expired
- Sep 7, 2011, 4:00 PM EDT
- In force
- 16 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
County Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 86 km from the middle of the area, began a volume at 03:23 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 Perkiomen Creek at Graterford (GRAP1). The gauge peaked at 13.91 ft at Sep 7, 2011, 6:00 AM EDT.
- Action stage
- 8 ft
- Minor stage
- 11 ft
- Moderate stage
- 13 ft
- Major stage
- 16 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01473000, 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.
872
WGUS41 KPHI 070319
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1119 PM EDT TUE SEP 6 2011
...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC091-070919-
/O.NEW.KPHI.FL.W.0158.110907T0400Z-110907T1727Z/
/GRAP1.1.ER.110907T0400Z.110907T0900Z.110907T1127Z.NO/
1119 PM EDT TUE SEP 6 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* UNTIL WEDNESDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:00 PM TUESDAY THE STAGE WAS 10.8 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY AFTER MIDNIGHT TONIGHT AND
CONTINUE TO RISE TO NEAR 11.9 FEET BY EARLY TOMORROW. THE RIVER WILL
FALL BELOW FLOOD STAGE BY TOMORROW MORNING.
* IMPACT...AT 12.0 FEET...PENITENTIARY BRIDGE IS CLOSED. FLOODING BEGINS
IN COLLEGVILLE. HOUSES ON THE RIGHT BANK IN GRATERFORD TAKE ON WATER
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
PERKIOMEN CREEK
GRATERFORD 11.0 10.79 TUE 11 PM 11.9 WED 5 AM
&&5 follow-up statements
713
WGUS41 KPHI 070747
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
347 AM EDT WED SEP 7 2011
...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY
...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY FOR THE
FOLLOWING RIVERS IN PENNSYLVANIA...
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC091-071347-
/O.EXT.KPHI.FL.W.0158.000000T0000Z-110907T2345Z/
/GRAP1.2.ER.110907T0318Z.110907T1200Z.110907T1745Z.NO/
347 AM EDT WED SEP 7 2011
...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
THE FLOOD WARNING CONTINUES FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* UNTIL THIS EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:30 AM WEDNESDAY THE STAGE WAS 12.7 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 13.3 FEET BY THIS
MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE THIS AFTERNOON.
* IMPACT...AT 13.5 FEET...HOUSES ON LEFT BANK IN GRATERFORD FLOODED
$$
PAC045-071346-
/O.NEW.KPHI.FL.W.0161.110907T0747Z-110907T2136Z/
/CHSP1.1.ER.110907T0729Z.110907T1000Z.110907T1536Z.NO/
347 AM EDT WED SEP 7 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE CHESTER CREEK NEAR CHESTER.
* UNTIL THIS AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:31 AM WEDNESDAY THE STAGE WAS 8.0 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 9.1 FEET BY THIS
MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE LATE THIS MORNING.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 8.02 WED 4 AM 9.1 WED 6 AM
PERKIOMEN CREEK
GRATERFORD 11.0 12.70 WED 3 AM 13.3 WED 8 AM
&&218
WGUS81 KPHI 070931
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
531 AM EDT WED SEP 7 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
SCHUYLKILL RIVER AT PHILADELPHIA AFFECTING PHILADELPHIA AND MONTGOMERY
COUNTIES
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
SCHUYLKILL RIVER AT NORRISTOWN AFFECTING CHESTER...MONTGOMERY AND
PHILADELPHIA COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC091-071931-
/O.EXT.KPHI.FL.W.0158.000000T0000Z-110908T0108Z/
/GRAP1.2.ER.110907T0318Z.110907T1200Z.110907T1908Z.NO/
531 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* AT 5:16 AM WEDNESDAY THE STAGE WAS 13.9 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 14.0 FEET BY THIS
MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE LATE THIS AFTERNOON.
* IMPACT...AT 13.5 FEET...HOUSES ON LEFT BANK IN GRATERFORD FLOOD
$$
PAC029-091-101-071931-
/O.CON.KPHI.FL.W.0157.000000T0000Z-000000T0000Z/
/NRSP1.1.ER.110907T0256Z.110907T1800Z.000000T0000Z.NO/
531 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE SCHUYLKILL RIVER AT NORRISTOWN.
* AT 4:30 AM WEDNESDAY THE STAGE WAS 14.8 FEET.
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 16.0 FEET BY THIS
AFTERNOON THEN BEGIN FALLING.
* IMPACT...AT 15.0 FEET...RIVER ROAD IN WEST CONSHOHOCKEN BEGINS TO
FLOOD. THE LOWER GARAGES AT THE RIVERVIEW LANDING AND THE LOFTS AT
VALLEY FORGE START TO TAKE ON WATER. THE LOWER SECTION OF PORT INDAIN
ROAD IN WEST NORRITON BECOMES IMPASSABLE.
$$
PAC091-101-071930-
/O.EXT.KPHI.FL.W.0160.000000T0000Z-110908T0834Z/
/PADP1.1.ER.110907T0846Z.110907T1800Z.110908T0234Z.NO/
531 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE SCHUYLKILL RIVER AT PHILADELPHIA.
* AT 5:01 AM WEDNESDAY THE STAGE WAS 11.1 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 12.0 FEET BY THIS
AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE TONIGHT.
* IMPACT...AT 11.0 FEET...KELLY DRIVE IS FLOODED AND CLOSED BETWEEN
HUNTING PARK AVENUE AND FALLS BRIDGE. THE FLAT ROCK AREA IS FLOODED.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SCHUYLKILL RIVER
NORRISTOWN 13.0 14.79 WED 4 AM 16.0 WED 2 PM
PHILADELPHIA 11.0 11.10 WED 5 AM 12.0 WED 2 PM
PERKIOMEN CREEK
GRATERFORD 11.0 13.85 WED 5 AM 14.0 WED 8 AM
&&090
WGUS81 KPHI 071356
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
956 AM EDT WED SEP 7 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC091-072356-
/O.EXT.KPHI.FL.W.0158.000000T0000Z-110908T0400Z/
/GRAP1.2.ER.110907T0318Z.110907T0946Z.110907T2200Z.NO/
956 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* AT 9:15 AM WEDNESDAY THE STAGE WAS 13.0 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MODERATE FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
THIS EVENING.
* IMPACT...AT 13.0 FEET...SEWAGE TREATMENT PLANT IN SCHWENKSVILLE FLOODED.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
PERKIOMEN CREEK
GRATERFORD 11.0 13.00 WED 9 AM CRESTED
&&378
WGUS81 KPHI 071451
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1051 AM EDT WED SEP 7 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE COUNTIES
LEHIGH RIVER AT WALNUTPORT AFFECTING LEHIGH AND NORTHAMPTON COUNTIES
NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY
SCHUYLKILL RIVER AT POTTSTOWN AFFECTING MONTGOMERY COUNTY
SCHUYLKILL RIVER AT PHILADELPHIA AFFECTING PHILADELPHIA AND MONTGOMERY
COUNTIES
SCHUYLKILL RIVER AT NORRISTOWN AFFECTING CHESTER...MONTGOMERY AND
PHILADELPHIA COUNTIES
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC017-080051-
/O.EXT.KPHI.FL.W.0147.000000T0000Z-110908T0637Z/
/LNGP1.2.ER.110907T0036Z.110907T1800Z.110908T0037Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE NESHAMINY CREEK AT LANGHORNE.
* AT 10:31 AM WEDNESDAY THE STAGE WAS 10.0 FEET.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.8 FEET BY THIS
AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE THIS EVENING.
* IMPACT...AT 11.0 FEET...AT THIS LEVEL CONSIDERABLE DAMAGE IS REPORTED
THROUGHOUT THE LOWER NESHAMINY CREEK BASIN
$$
PAC029-045-080050-
/O.EXT.KPHI.FL.W.0159.000000T0000Z-110908T0600Z/
/CDFP1.1.ER.110907T0625Z.110907T1430Z.110908T0000Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE BRANDYWINE CREEK AT CHADDS FORD.
* AT 10:30 AM WEDNESDAY THE STAGE WAS 10.1 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 BY
THIS EVENING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE 926
NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.
$$
PAC077-095-072037-
/O.EXT.KPHI.FL.W.0167.000000T0000Z-110907T2037Z/
/WNTP1.1.ER.110907T1345Z.110907T1431Z.110907T1437Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE LEHIGH RIVER AT WALNUTPORT.
* AT 10:31 AM WEDNESDAY THE STAGE WAS 8.0 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS OCCURRING.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
LATE THIS MORNING.
* IMPACT...AT 6.0 FEET...MINOR FLOODING BEGINS DOWNSTREAM AT CATASAQUA
AND HOKENDAQUA
$$
PAC091-080050-
/O.CON.KPHI.FL.W.0158.000000T0000Z-110908T0400Z/
/GRAP1.2.ER.110907T0318Z.110907T0946Z.110907T2200Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* AT 10:31 AM WEDNESDAY THE STAGE WAS 12.7 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
THIS EVENING.
* IMPACT...AT 13.0 FEET...SEWAGE TREATMENT PLANT IN SCHWENKSVILLE FLOODED
$$
PAC091-080050-
/O.EXT.KPHI.FL.W.0164.110907T2000Z-110908T1009Z/
/PTNP1.1.ER.110907T2000Z.110908T0000Z.110908T0409Z.NO/
1051 AM EDT WED SEP 7 2011
...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY MORNING...THE FLOOD
WARNING CONTINUES FOR
THE SCHUYLKILL RIVER AT POTTSTOWN.
* FROM THIS AFTERNOON TO THURSDAY MORNING...OR UNTIL THE WARNING IS
CANCELLED.
* AT 10:30 AM WEDNESDAY THE STAGE WAS 10.8 FEET.
* FLOOD STAGE IS 12.5 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CONTINUE
TO RISE TO NEAR 13.4 FEET BY THIS EVENING. THE RIVER WILL FALL BELOW
FLOOD STAGE TONIGHT.
* IMPACT...AT 13.0 FEET...PORTIONS OF PA ROUTE 724 ALONG THE
BERKS/CHESTER COUNTY LINE ARE CLOSED DUE TO HIGH WATER, SPECIFICALLY
UNION TOWNSHIP IN BERKS COUNTY AND NORTH COVENTRY TOWNSHIP IN CHESTER
COUNTY.
$$
PAC029-091-101-080050-
/O.CON.KPHI.FL.W.0157.000000T0000Z-000000T0000Z/
/NRSP1.1.ER.110907T0256Z.110907T1800Z.000000T0000Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE SCHUYLKILL RIVER AT NORRISTOWN.
* AT 9:30 AM WEDNESDAY THE STAGE WAS 15.9 FEET.
* FLOOD STAGE IS 13.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 16.3 FEET BY THIS
AFTERNOON THEN BEGIN FALLING.
* IMPACT...AT 16.0 FEET...THE UPPER MERION BOATHOUSE STARTS TO FLOOD.
$$
PAC091-101-080050-
/O.EXT.KPHI.FL.W.0160.000000T0000Z-110908T1300Z/
/PADP1.1.ER.110907T0846Z.110907T1800Z.110908T0700Z.NO/
1051 AM EDT WED SEP 7 2011
THE FLOOD WARNING CONTINUES FOR
THE SCHUYLKILL RIVER AT PHILADELPHIA.
* AT 10:00 AM WEDNESDAY THE STAGE WAS 11.8 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 11.9 FEET BY THIS
AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY TOMORROW.
* IMPACT...AT 12.0 FEET...MAIN STREET IN MANAYUNK FLOODS IN THE AREA OF
SHURS LANE.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SCHUYLKILL RIVER
POTTSTOWN 12.5 10.76 WED 10 AM 13.4 WED 8 PM
NORRISTOWN 13.0 15.93 WED 9 AM 16.3 WED 2 PM
PHILADELPHIA 11.0 11.77 WED 10 AM 11.9 WED 2 PM
LEHIGH RIVER
WALNUTPORT 8.0 8.01 WED 11 AM CRESTING
BRANDYWINE CREEK
CHADDS FORD 9.0 10.10 WED 10 AM CRESTING
PERKIOMEN CREEK
GRATERFORD 11.0 12.68 WED 11 AM FALLING
NESHAMINY CREEK
LANGHORNE 9.0 9.97 WED 11 AM 10.8 WED 2 PM
&&854
WGUS81 KPHI 072000
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
400 PM EDT WED SEP 7 2011
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
PERKIOMEN CREEK AT GRATERFORD AFFECTING MONTGOMERY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC091-072030-
/O.CAN.KPHI.FL.W.0158.000000T0000Z-110908T0400Z/
/GRAP1.2.ER.110907T0318Z.110907T0946Z.110907T1817Z.NO/
400 PM EDT WED SEP 7 2011
THE FLOOD WARNING IS CANCELLED FOR
THE PERKIOMEN CREEK AT GRATERFORD.
* AT 3:31 PM WEDNESDAY THE STAGE WAS 9.5 FEET.
* FLOOD STAGE IS 11.0 FEET.
* FELL BELOW FLOOD STAGE AT 2:17 PM WEDNESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 8.7 FEET BY TOMORROW
MORNING.
* IMPACT...AT 12.0 FEET...PENITENTIARY BRIDGE IS CLOSED. FLOODING BEGINS
IN COLLEGVILLE. HOUSES ON THE RIGHT BANK IN GRATERFORD TAKE ON WATER.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
PERKIOMEN CREEK
GRATERFORD 11.0 9.54 WED 4 PM FALLING
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 10:31 PM EDT | Areal Flood Warning | PHI | Berks, Lehigh | 15 hr |
| Sep 6, 11:13 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 3 days |
| Sep 7, 12:59 AM EDT | River Flood Warning | PHI | Chester, Delaware | 41 hr |
| Sep 7, 3:40 AM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 54 hr |
| Sep 7, 3:47 AM EDT | River Flood Warning | PHI | Delaware | 4 hr |
| Sep 7, 4:26 AM EDT | River Flood Warning | PHI | Berks, Montgomery | 6 hr |
| Sep 7, 4:26 AM EDT | River Flood Warning | PHI | Montgomery | 3 days |
| Sep 7, 9:48 AM EDT | River Flood Warning | PHI | Lehigh, Northampton | 5 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Monroe, Northampton | 60 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Northampton | 67 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 68 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 67 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 67 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 64 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 67 hr |
| Sep 7, 10:05 AM EDT | River Flood Warning | PHI | Bucks | 68 hr |
| Sep 7, 11:48 AM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 18 hr |
| Sep 7, 1:32 PM EDT | Special Weather Statement | PHI | Berks | 58 min |
| Sep 7, 1:38 PM EDT | Special Weather Statement | PHI | Lebanon | 52 min |
| Sep 7, 1:50 PM EDT | Areal Flood Advisory | PHI | Berks | 17 min |
| Sep 7, 2:05 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Sep 7, 2:36 PM EDT | Special Weather Statement | PHI | Berks | 54 min |
| Sep 7, 2:39 PM EDT | Special Weather Statement | PHI | Chester | 66 min |
| Sep 7, 3:06 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Sep 7, 3:33 PM EDT | Flash Flood Warning | PHI | Berks, Chester | 4 hr |
| Sep 7, 3:49 PM EDT | Special Weather Statement | PHI | Berks, Chester | 56 min |
| Sep 7, 4:06 PM EDT | River Flood Warning | PHI | Berks, Montgomery | 41 hr |
| Sep 7, 4:06 PM EDT | River Flood Warning | PHI | Berks | 45 hr |
| Sep 7, 4:09 PM EDT | Special Weather Statement | PHI | Bucks, Delaware, Lehigh, Montgomery, Northampton, Philadelphia | 66 min |
| Sep 7, 5:10 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more | 3 hr |
| Sep 7, 6:07 PM EDT | River Flood Warning | PHI | Chester | 10 hr |
| Sep 7, 7:14 PM EDT | Areal Flood Advisory | PHI | Berks | 65 min |
| Sep 7, 7:21 PM EDT | Areal Flood Warning | PHI | Berks, Chester | 14 hr |
| Sep 7, 7:32 PM EDT | Special Weather Statement | PHI | Berks | 58 min |
| Sep 7, 7:39 PM EDT | Coastal Flood Warning | PHI | Delaware, Philadelphia | 6 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.