Alert archive / Pennsylvania / River Flood Warnings in 2021

River Flood Warning 1, NWS State College, PA

March 1, 2021Somerset County, Pennsylvania

NWS State College, PA issued this river flood warning at Mar 1, 2021, 8:04 AM EST for Somerset County, Pennsylvania. It took effect at Mar 1, 2021, 8:12 AM EST. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 2021, 8:04 AM EST (13:04 UTC)
In effect from
Mar 1, 2021, 8:12 AM EST
Expired
Mar 1, 2021, 2:32 PM EST
In force
6 hr
Issued by
NWS State College, PA
Area
Storm-based polygon
Flood severity
Minor

County Somerset County, PA

The radar

The Pittsburgh radar (KPBZ), 146 km from the middle of the area, began a volume at 13:04 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 Youghiogheny River at Confluence (CNFP1). The gauge peaked at 12.09 ft at Mar 1, 2021, 10:00 AM EST.

actionminormoderate5101503/0103/02
Action stage
7 ft
Minor stage
12 ft
Moderate stage
14 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03081000, 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.

975 
WGUS41 KCTP 011304
FLWCTP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service State College PA
804 AM EST Mon Mar 1 2021

...The National Weather Service in State College PA has issued a 
Flood Warning for the following rivers in Pennsylvania...

  Youghiogheny River Near Confluence affecting Somerset County.

For the Youghiogheny River...including Confluence...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.

&&


PAC111-020000-
/O.NEW.KCTP.FL.W.0001.210301T1800Z-210302T0000Z/
/CNFP1.1.ER.210301T1800Z.210301T1800Z.210301T1800Z.NO/
804 AM EST Mon Mar 1 2021

The National Weather Service in State College has issued a

* Flood Warning for
  the Youghiogheny River Near Confluence.
* From this afternoon to this evening.
* At 7:45 AM EST Monday the stage was 11.9 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 12.0 feet 
  this morning.
* Impact...At 12.0 feet, The right bank of the river overflows 
  downstream of confluence and about 1/4 mile upstream from the 
  gaging station.
* Impact...At 14.0 feet, State Route 3003 is closed due to high 
  water. High water covers the road about one tenth of a mile 
  downstream of the confluence of the Casselman and Youghiogheny 
  Rivers.
* Flood History...No available flood history.
  &&

LAT...LON 3947 7922 3947 7920 3949 7920

$$

Steinbugl
3 follow-up statements
976 
WGUS81 KCTP 011312
FLSCTP

Flood Statement
National Weather Service State College PA
812 AM EST Mon Mar 1 2021

...The Flood Warning is extended for the following rivers in 
Pennsylvania...

  Youghiogheny River Near Confluence affecting Somerset County.

For the Youghiogheny River...including Confluence...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.

&&


PAC111-020000-
/O.EXT.KCTP.FL.W.0001.210301T1312Z-210302T0000Z/
/CNFP1.1.ER.210301T1800Z.210301T1800Z.210301T1800Z.NO/
812 AM EST Mon Mar 1 2021

...The Flood Warning is now in effect until this evening...

The Flood Warning continues for
  the Youghiogheny River Near Confluence.
* From this morning to this evening.
* At 7:45 AM EST Monday the stage was 11.9 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 12.0 feet 
  this morning.
* Impact...At 12.0 feet, The right bank of the river overflows 
  downstream of Confluence and about 1/4 mile upstream from the 
  gaging station.
* Impact...At 14.0 feet, State Route 3003 is closed due to high 
  water. High water covers the road about one tenth of a mile 
  downstream of the Confluence of the Casselman and Youghiogheny 
  Rivers.
* Flood History...This crest compares to a previous crest of 21.6 
  feet on 03/17/1936.
  &&

LAT...LON 3947 7922 3947 7920 3949 7920

$$

Steinbugl
027 
WGUS81 KCTP 011819
FLSCTP

Flood Statement
National Weather Service State College PA
119 PM EST Mon Mar 1 2021

...Observed flooding changed to Minor severity and increased in 
duration for the following rivers in Pennsylvania...

  Youghiogheny River Near Confluence affecting Somerset County.

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 730 PM EST.

&&


PAC111-020030-
/O.EXT.KCTP.FL.W.0001.000000T0000Z-210302T0019Z/
/CNFP1.1.ER.210301T1325Z.210301T1600Z.210301T1819Z.NO/
119 PM EST Mon Mar 1 2021

...Observed flooding increased to Minor severity and increased in 
duration until this evening...

The Flood Warning continues for
  the Youghiogheny River Near Confluence.
* Until this evening.
* At 12:45 PM EST Monday the stage was 12.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:45 PM EST Monday was 12.1 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling to 6.0 feet early Thursday 
  afternoon.
* Impact...At 12.0 feet, The right bank of the river overflows 
  downstream of Confluence and about 1/4 mile upstream from the 
  gaging station.
  &&

LAT...LON 3989 7948 3989 7928 3972 7930 3974 7945

$$

CR
963 
WGUS81 KCTP 011932
FLSCTP

Flood Statement
National Weather Service State College PA
232 PM EST Mon Mar 1 2021

...The Flood Warning is cancelled for the following rivers in 
Pennsylvania...

  Youghiogheny River Near Confluence affecting Somerset County.

PAC111-012045-
/O.CAN.KCTP.FL.W.0001.000000T0000Z-210301T1932Z/
/CNFP1.1.ER.700119T1630Z.700119T1630Z.700119T1630Z.NO/
232 PM EST Mon Mar 1 2021

...The Flood Warning for the Youghiogheny River Near Confluence has 
been cancelled...

The Flood Warning is cancelled for
  the Youghiogheny River Near Confluence.
* At 1:45 PM EST Monday the stage was 11.9 feet.
* Flood stage is 12.0 feet.
* Forecast...The river is expected to fall to 6.0 feet early 
  Thursday afternoon.
  &&

LAT...LON 3989 7948 3989 7928 3972 7930 3974 7945

$$

Steinbugl

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 1:38 AM ESTAreal Flood AdvisoryCTPBedford5 hr
Mar 1, 2:33 AM ESTDense Fog AdvisoryCTPAdams, Bedford, Blair, Centre, Clinton, Cumberland and 14 more5 hr
Mar 1, 3:40 AM ESTWind AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 26 more23 hr
Mar 1, 4:06 PM ESTSpecial Weather StatementCTPElk, McKean, Warren54 min
Mar 1, 5:02 PM ESTSpecial Weather StatementCTPCameron, Elk, Potter43 min
Mar 1, 5:43 PM ESTSpecial Weather StatementCTPCameron32 min
Mar 1, 6:07 PM ESTSpecial Weather StatementCTPClearfield23 min
Mar 1, 6:26 PM ESTSpecial Weather StatementCTPCentre34 min

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.