Alert archive / Pennsylvania / River Flood Warnings in 2021
River Flood Warning 20, NWS State College, PA
NWS State College, PA issued this river flood warning at Sep 23, 2021, 10:10 AM EDT for Snyder County, Union County, Pennsylvania. It took effect at Sep 23, 2021, 12:00 PM EDT. It was in force for 24 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 23, 2021, 10:10 AM EDT (14:10 UTC)
- In effect from
- Sep 23, 2021, 12:00 PM EDT
- Expired
- Sep 24, 2021, 11:40 AM EDT
- In force
- 24 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Snyder County, PA, Union County, PA
The radar
The State College radar (KCCX), 80 km from the middle of the area, began a volume at 14:10 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 Penns Creek at Penns Creek (PNCP1). The gauge peaked at 10.82 ft at Sep 23, 2021, 11:00 PM EDT.
- Action stage
- 6 ft
- Minor stage
- 8 ft
- Moderate stage
- 10 ft
- Major stage
- 12 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01555000, 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.
553
WGUS41 KCTP 231410
FLWCTP
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service State College PA
1010 AM EDT Thu Sep 23 2021
...The National Weather Service in State College PA has issued a
Flood Warning for the following rivers in Pennsylvania...
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
For the Penns Creek...including Penns Creek...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued this evening at 1015 PM EDT.
&&
PAC109-119-240215-
/O.NEW.KCTP.FL.W.0020.210923T1600Z-210924T1546Z/
/PNCP1.1.ER.210923T1600Z.210924T0000Z.210924T0945Z.NO/
1010 AM EDT Thu Sep 23 2021
The National Weather Service in State College has issued a
* Flood Warning for
the Penns Creek Near Penns Creek.
* Until late tomorrow morning.
* At 10:00 AM EDT Thursday the stage was 7.9 feet.
* Flood stage is 8.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
afternoon to a crest of 9.2 feet this evening. It will then fall
below flood stage late tonight.
* Impact...At 8.0 feet, The left, or north bank overflows downstream
of the Route 104 bridge. A campground is affected. A number of
secondary roads in the Penns Creek drainage are affected by high
water.
* Impact...At 10.0 feet, High water overflows both banks. Several
homes and cottages on the left or north bank are affected. Many
secondary roads along the creek are closed due to high water
levels.
* Flood History...No available flood history.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
CR5 follow-up statements
121
WGUS81 KCTP 231846
FLSCTP
Flood Statement
National Weather Service State College PA
246 PM EDT Thu Sep 23 2021
...The Flood Warning continues for the following rivers in
Pennsylvania...
Bald Eagle Creek Near Beech Creek Station affecting Clinton and
Centre Counties.
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
Sherman Creek At Shermans Dale affecting Perry County.
For the Bald Eagle Creek...including Beech Creek Station...Minor
flooding is forecast.
For the Penns Creek...including Penns Creek...Minor flooding is
forecast.
For the Sherman Creek...including Shermans Dale...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
PAC109-119-240700-
/O.EXT.KCTP.FL.W.0020.000000T0000Z-210924T1100Z/
/PNCP1.1.ER.210923T1411Z.210923T2100Z.210924T0500Z.NO/
246 PM EDT Thu Sep 23 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the Penns Creek Near Penns Creek.
* Until tomorrow morning.
* At 2:00 PM EDT Thursday the stage was 9.6 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 2:00 PM EDT Thursday was 9.6 feet.
* Forecast...The river is expected to rise to a crest of 9.9 feet
late this afternoon. It will then fall below flood stage just
after midnight tonight.
* Impact...At 8.0 feet, The left, or north bank overflows downstream
of the Route 104 bridge. A campground is affected. A number of
secondary roads in the Penns Creek drainage are affected by high
water.
* Impact...At 10.0 feet, High water overflows both banks. Several
homes and cottages on the left or north bank are affected. Many
secondary roads along the creek are closed due to high water
levels.
* Flood History...This crest compares to a previous crest of 9.7
feet on 12/01/2010.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
PAC027-035-240700-
/O.EXT.KCTP.FL.W.0019.000000T0000Z-210924T0800Z/
/BECP1.1.ER.210923T1345Z.210923T1600Z.210924T0200Z.NO/
246 PM EDT Thu Sep 23 2021
...The Flood Warning is now in effect until late tonight...
The Flood Warning continues for
the Bald Eagle Creek Near Beech Creek Station.
* Until late tonight.
* At 2:30 PM EDT Thursday the stage was 11.3 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 2:30 PM EDT Thursday was 11.6 feet.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 10.1 feet Sunday morning.
* Impact...At 10.0 feet, Overgrown pastures and agricultural fields
on the left bank are affected by high water.
* Impact...At 11.0 feet, High water levels threaten the cottage area
of Mill Hall downstream of Beech Creek Station.
* Impact...At 13.0 feet, Homes in the cottage area are isolated by
high water from Bald Eagle Creek.
&&
LAT...LON 4110 7765 4112 7756 4114 7752 4110 7742
4107 7749 4104 7758
$$
PAC099-240700-
/O.EXT.KCTP.FL.W.0018.000000T0000Z-210924T0900Z/
/SMDP1.1.ER.210923T1232Z.210923T1800Z.210924T0300Z.NO/
246 PM EDT Thu Sep 23 2021
...The Flood Warning is now in effect until late tonight...
The Flood Warning continues for
the Sherman Creek At Shermans Dale.
* Until late tonight.
* At 2:15 PM EDT Thursday the stage was 10.5 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 2:15 PM EDT Thursday was 10.6 feet.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 2.5 feet Sunday morning.
* Impact...At 5.0 feet, River Road is closed upstream of
Shermansdale.
* Impact...At 7.0 feet, River Road is closed upstream of
Shermansdale.
* Impact...At 9.0 feet, Several homes along Creek Road are affected
by high water.
* Impact...At 11.0 feet, A number of homes along Creek Road and
other low lying areas adjacent to Sherman Creek are affected by
high water.
&&
LAT...LON 4036 7726 4035 7719 4037 7713 4036 7709
4031 7716 4031 7725
$$
CR080
WGUS41 KCTP 232002
FLWCTP
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service State College PA
402 PM EDT Thu Sep 23 2021
...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Pennsylvania...
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
For the Penns Creek...including Penns Creek...Moderate flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued later tonight.
&&
PAC109-119-240815-
/O.EXT.KCTP.FL.W.0020.000000T0000Z-210924T2200Z/
/PNCP1.2.ER.210923T1411Z.210923T2100Z.210924T1600Z.NO/
402 PM EDT Thu Sep 23 2021
...Forecast flooding increased from Minor to Moderate severity and
increased in duration until tomorrow evening...
The Flood Warning continues for
the Penns Creek Near Penns Creek.
* Until tomorrow evening.
* At 3:00 PM EDT Thursday the stage was 9.8 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 3:00 PM EDT Thursday was 9.8 feet.
* Forecast...The river is expected to rise to a crest of 10.2 feet
late this afternoon. It will then fall below flood stage early
tomorrow afternoon.
* Impact...At 8.0 feet, The left, or north bank overflows downstream
of the Route 104 bridge. A campground is affected. A number of
secondary roads in the Penns Creek drainage are affected by high
water.
* Impact...At 10.0 feet, High water overflows both banks. Several
homes and cottages on the left or north bank are affected. Many
secondary roads along the creek are closed due to high water
levels.
* Impact...At 12.0 feet, Significant overflow of both banks occurs.
Numerous homes are affected by high water levels.
* Flood History...This crest compares to a previous crest of 9.7
feet on 12/01/2010.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
Dangelo053
WGUS81 KCTP 240242
FLSCTP
Flood Statement
National Weather Service State College PA
1042 PM EDT Thu Sep 23 2021
...The Flood Warning is extended for the following rivers in
Pennsylvania...
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
Swatara Creek At Harper Tavern affecting Schuylkill and Lebanon
Counties.
...The Flood Warning is cancelled for the following rivers in
Pennsylvania...
Sherman Creek At Shermans Dale affecting Perry County.
For the Penns Creek...including Penns Creek...Moderate flooding is
forecast.
For the Swatara Creek...including Middletown, Harper Tavern,
Hershey...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued Friday morning.
&&
PAC099-240345-
/O.CAN.KCTP.FL.W.0018.000000T0000Z-210924T0242Z/
/SMDP1.1.ER.210923T1232Z.210923T1945Z.210924T0121Z.NO/
1042 PM EDT Thu Sep 23 2021
...The Flood Warning for the Sherman Creek At Shermans Dale has been
cancelled...
The Flood Warning is cancelled for
the Sherman Creek At Shermans Dale.
* At 10:15 PM EDT Thursday the stage was 8.5 feet.
* Flood stage is 9.0 feet.
* Forecast...The river is expected to fall to 2.3 feet Sunday
evening.
&&
LAT...LON 4036 7726 4035 7719 4037 7713 4036 7709
4031 7716 4031 7725
$$
PAC075-107-241445-
/O.EXT.KCTP.FL.W.0021.000000T0000Z-210924T1500Z/
/HTVP1.1.ER.210923T2143Z.210924T0600Z.210924T0900Z.NO/
1042 PM EDT Thu Sep 23 2021
...The Flood Warning is now in effect until late tomorrow morning...
The Flood Warning continues for
the Swatara Creek At Harper Tavern.
* Until late tomorrow morning.
* At 10:31 PM EDT Thursday the stage was 10.1 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:31 PM EDT Thursday was 10.1 feet.
* Forecast...The river is expected to rise to a crest of 10.4 feet
just after midnight tonight. It will then fall below flood stage
late tonight.
* Impact...At 9.0 feet, Several driveways and other minor roadways
are affected. Water begins to enter some basements.
* Impact...At 10.0 feet, High water isolates several houses.
* Impact...At 12.0 feet, A number of secondary roads are closed,
resulting in some evacuations. A few homes are flooded.
* Flood History...This crest compares to a previous crest of 11.9
feet on 04/03/2005.
&&
LAT...LON 4059 7648 4052 7639 4037 7647 4034 7659
4038 7663 4043 7658
$$
PAC109-119-241445-
/O.EXT.KCTP.FL.W.0020.000000T0000Z-210925T0800Z/
/PNCP1.2.ER.210923T1411Z.210924T0600Z.210925T0200Z.NO/
1042 PM EDT Thu Sep 23 2021
...The Flood Warning is now in effect until early Saturday morning...
The Flood Warning continues for
the Penns Creek Near Penns Creek.
* Until early Saturday morning.
* At 10:00 PM EDT Thursday the stage was 10.8 feet.
* Flood stage is 8.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:00 PM EDT Thursday was 10.8 feet.
* Forecast...The river is expected to rise to a crest of 11.0 feet
just after midnight tonight. It will then fall below flood stage
late tomorrow evening.
* Impact...At 8.0 feet, The left, or north bank overflows downstream
of the Route 104 bridge. A campground is affected. A number of
secondary roads in the Penns Creek drainage are affected by high
water.
* Impact...At 10.0 feet, High water overflows both banks. Several
homes and cottages on the left or north bank are affected. Many
secondary roads along the creek are closed due to high water
levels.
* Impact...At 12.0 feet, Significant overflow of both banks occurs.
Numerous homes are affected by high water levels.
* Flood History...This crest compares to a previous crest of 9.7
feet on 12/01/2010.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
Banghoff570
WGUS81 KCTP 240857
FLSCTP
Flood Statement
National Weather Service State College PA
457 AM EDT Fri Sep 24 2021
...The Flood Warning continues for the following rivers in
Pennsylvania...
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
Conodoguinet Creek Near Hogestown affecting Cumberland County.
Swatara Creek At Harper Tavern affecting Schuylkill and Lebanon
Counties.
For the Penns Creek...including Penns Creek...Minor flooding is
forecast.
For the Conodoguinet Creek...including Hogestown...Minor flooding is
forecast.
For the Swatara Creek...including Middletown, Harper Tavern,
Hershey...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued this morning at 1100 AM EDT.
&&
PAC041-242100-
/O.CON.KCTP.FL.W.0022.000000T0000Z-210924T2100Z/
/HGSP1.1.ER.210924T1000Z.210924T1200Z.210924T1500Z.NO/
457 AM EDT Fri Sep 24 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Conodoguinet Creek Near Hogestown.
* Until late this afternoon.
* At 4:30 AM EDT Friday the stage was 7.9 feet.
* Flood stage is 8.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
morning to a crest of 8.1 feet. It will then fall below flood
stage late this morning.
* Impact...At 8.0 feet, Low lying areas in the vicinity of Erbs
Bridge Road, Prowell Road, Stone Spring Lane, and Oyster Mill Road
are flooded.
* Impact...At 10.0 feet, Some residences in the vicinity of Erb's
Bridge Road, Prowell Road, Stone Spring Lane, and Oyster Mill Road
are flooded.
&&
LAT...LON 4023 7747 4028 7713 4031 7692 4023 7689
4020 7715 4015 7748
$$
PAC075-107-241500-
/O.CON.KCTP.FL.W.0021.000000T0000Z-210924T1500Z/
/HTVP1.1.ER.210923T2143Z.210924T0500Z.210924T0958Z.NO/
457 AM EDT Fri Sep 24 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Swatara Creek At Harper Tavern.
* Until late this morning.
* At 4:31 AM EDT Friday the stage was 9.3 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 4:31 AM EDT Friday was 10.2 feet.
* Forecast...The river is expected to fall below flood stage this
morning and continue falling to 2.8 feet early Monday morning.
* Impact...At 9.0 feet, Several driveways and other minor roadways
are affected. Water begins to enter some basements.
* Impact...At 10.0 feet, High water isolates several houses.
* Flood History...This crest compares to a previous crest of 11.0
feet on 03/29/2005.
&&
LAT...LON 4059 7648 4052 7639 4037 7647 4034 7659
4038 7663 4043 7658
$$
PAC109-119-242100-
/O.CON.KCTP.FL.W.0020.000000T0000Z-210925T0800Z/
/PNCP1.2.ER.210923T1411Z.210924T0245Z.210925T0000Z.NO/
457 AM EDT Fri Sep 24 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Penns Creek Near Penns Creek.
* Until late tonight.
* At 4:00 AM EDT Friday the stage was 9.8 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 4:00 AM EDT Friday was 10.9 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 4.7 feet early Monday morning.
* Impact...At 8.0 feet, The left, or north bank overflows downstream
of the Route 104 bridge. A campground is affected. A number of
secondary roads in the Penns Creek drainage are affected by high
water.
* Impact...At 10.0 feet, High water overflows both banks. Several
homes and cottages on the left or north bank are affected. Many
secondary roads along the creek are closed due to high water
levels.
* Flood History...This crest compares to a previous crest of 9.7
feet on 12/01/2010.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
Travis789
WGUS81 KCTP 241540
FLSCTP
Flood Statement
National Weather Service State College PA
1140 AM EDT Fri Sep 24 2021
...The Flood Warning is cancelled for the following rivers in
Pennsylvania...
Penns Creek Near Penns Creek affecting Union and Snyder Counties.
PAC109-119-241645-
/O.CAN.KCTP.FL.W.0020.000000T0000Z-210924T1540Z/
/PNCP1.2.ER.210923T1411Z.210924T0245Z.210924T1442Z.NO/
1140 AM EDT Fri Sep 24 2021
...The Flood Warning for the Penns Creek Near Penns Creek has been
cancelled...
The Flood Warning is cancelled for
the Penns Creek Near Penns Creek.
* At 11:00 AM EDT Friday the stage was 7.9 feet.
* Flood stage is 8.0 feet.
* Forecast...The river is expected to fall to 4.6 feet Monday
morning.
&&
LAT...LON 4089 7712 4089 7705 4089 7698 4086 7698
4085 7706 4086 7711
$$
TravisThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:38 PM EDT | Special Weather Statement | CTP | Elk | 37 min |
| Sep 23, 2:15 AM EDT | Areal Flood Advisory | CTP | Franklin | 2 hr |
| Sep 23, 3:32 AM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Huntingdon, Mifflin | 7 hr |
| Sep 23, 4:14 AM EDT | Areal Flood Advisory | CTP | Adams | 3 hr |
| Sep 23, 7:14 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, York | 3 hr |
| Sep 23, 7:36 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Tioga and 1 more | 3 hr |
| Sep 23, 7:44 AM EDT | River Flood Warning | CTP | Perry | 23 hr |
| Sep 23, 7:44 AM EDT | River Flood Warning | CTP | Centre, Clinton | 11 hr |
| Sep 23, 8:21 AM EDT | Areal Flood Advisory | CTP | Tioga | 5 hr |
| Sep 23, 8:52 AM EDT | Areal Flood Advisory | CTP | Lancaster, York | 2 hr |
| Sep 23, 10:22 AM EDT | Areal Flood Advisory | CTP | Lancaster | 3 hr |
| Sep 23, 10:36 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Tioga and 1 more | 2 hr |
| Sep 23, 5:36 PM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 12 hr |
Nearby
River Flood Warnings in Pennsylvania, 2021Every river flood warning in 2021
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.