Alert archive / Pennsylvania / River Flood Warnings in 2016
River Flood Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Feb 25, 2016, 12:19 AM EST for Montgomery County, Pennsylvania. It took effect at Feb 25, 2016, 2:00 AM EST. It was in force for 12 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 25, 2016, 12:19 AM EST (05:19 UTC)
- In effect from
- Feb 25, 2016, 2:00 AM EST
- Expired
- Feb 25, 2016, 1:51 PM EST
- In force
- 12 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 92 km from the middle of the area, began a volume at 05:23 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 11.93 ft at Feb 25, 2016, 5:00 AM EST.
- 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.
614
WGUS41 KPHI 250519
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1219 AM EST THU FEB 25 2016
...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.
&&
PAC091-251119-
/O.NEW.KPHI.FL.W.0006.160225T0700Z-160225T1851Z/
/GRAP1.1.ER.160225T0700Z.160225T0900Z.160225T1251Z.NO/
1219 AM EST THU FEB 25 2016
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Perkiomen Creek at Graterford.
* until this afternoon...Or until the warning is cancelled.
* At 11:46 PM Wednesday the stage was 9.4 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage early this morning and continue
to rise to near 12.0 feet around daybreak. The river will fall below
flood stage by mid morning.
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Perkiomen Creek
Graterford 11.0 9.45 Thu 12 AM 12.0 Thu 4 AM
&&
LAT...LON 4012 7547 4011 7542 4024 7542 4024 7549
$$
Kruzdlo2 follow-up statements
379
WGUS81 KPHI 251104
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
604 AM EST THU FEB 25 2016
...The Flood Warning continues for the following rivers in Pennsylvania...
Perkiomen Creek At Graterford affecting Montgomery County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water
may be deeper than you think.
&&
PAC091-251851-
/O.CON.KPHI.FL.W.0006.000000T0000Z-160225T1851Z/
/GRAP1.1.ER.160225T0709Z.160225T1001Z.160225T1251Z.NO/
604 AM EST THU FEB 25 2016
The Flood Warning continues for
The Perkiomen Creek at Graterford.
* At 5:46 AM Thursday the stage was 11.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage later this
morning.
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Perkiomen Creek
Graterford 11.0 11.80 Thu 6 AM Cresting
&&
LAT...LON 4012 7547 4011 7542 4024 7542 4024 7549
$$
Kruzdlo653
WGUS81 KPHI 251434
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
934 AM EST THU FEB 25 2016
...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.
&&
PAC091-251504-
/O.CAN.KPHI.FL.W.0006.000000T0000Z-160225T1851Z/
/GRAP1.1.ER.160225T0709Z.160225T1001Z.160225T1244Z.NO/
934 AM EST THU FEB 25 2016
The Flood Warning is cancelled for
The Perkiomen Creek at Graterford.
* At 9:15 AM Thursday the stage was 9.4 feet.
* Flood stage is 11.0 feet.
* Fell below flood stage at 7:44 AM Thursday.
* Forecast...The river will continue to fall to 4.1 feet by tomorrow morning.
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Perkiomen Creek
Graterford 11.0 9.44 Thu 9 AM 7.0 Thu 1 PM
&&
LAT...LON 4012 7547 4011 7542 4024 7542 4024 7549
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 7:12 PM EST | Severe Thunderstorm Warning | PHI | Chester, Delaware | 33 min |
| Feb 24, 7:21 PM EST | Areal Flood Advisory | PHI | Chester | 4 hr |
| Feb 24, 7:35 PM EST | Areal Flood Advisory | PHI | Carbon, Monroe | 6 hr |
| Feb 24, 7:39 PM EST | Severe Thunderstorm Warning | PHI | Berks, Chester | 36 min |
| Feb 24, 8:13 PM EST | Special Weather Statement | PHI | Chester, Montgomery | 62 min |
| Feb 24, 8:23 PM EST | Special Weather Statement | PHI | Lehigh, Monroe, Northampton | 67 min |
| Feb 24, 8:42 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Lehigh, Monroe, Montgomery and 2 more | 4 hr |
| Feb 24, 8:47 PM EST | Severe Thunderstorm Warning | PHI | Chester | 43 min |
| Feb 24, 9:18 PM EST | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Feb 24, 9:40 PM EST | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 35 min |
| Feb 24, 9:44 PM EST | Areal Flood Warning | PHI | Berks, Chester, Montgomery | 10 hr |
| Feb 24, 9:55 PM EST | Flash Flood Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 4 hr |
| Feb 24, 10:05 PM EST | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Feb 24, 10:11 PM EST | River Flood Warning | PHI | Chester | 20 hr |
| Feb 24, 10:32 PM EST | Flash Flood Warning | PHI | Bucks | 4 hr |
| Feb 24, 11:03 PM EST | Severe Thunderstorm Warning | PHI | Bucks | 42 min |
| Feb 25, 12:28 AM EST | River Flood Warning | PHI | Chester, Delaware | 18 hr |
| Feb 25, 12:37 AM EST | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 28 hr |
| Feb 25, 1:55 AM EST | Areal Flood Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 6 hr |
| Feb 25, 2:04 AM EST | Areal Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Feb 25, 2:07 AM EST | River Flood Warning | PHI | Berks, Montgomery | 8 hr |
| Feb 25, 2:22 AM EST | Areal Flood Warning | PHI | Bucks | 8 hr |
| Feb 25, 7:41 AM EST | Areal Flood Warning | PHI | Berks, Chester, Montgomery | 6 hr |
| Feb 25, 7:51 AM EST | Areal Flood Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 6 hr |
Nearby
River Flood Warnings in Pennsylvania, 2016Every river flood warning in 2016
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.