Alert archive / Oklahoma / River Flood Warnings in 2021

River Flood Warning 4, NWS Tulsa, OK

March 13, 2021Osage County, Oklahoma

NWS Tulsa, OK issued this river flood warning at Mar 13, 2021, 9:50 AM CST for Osage County, Oklahoma. It took effect at Mar 13, 2021, 12:46 PM CST. It was in force for 19 hr.

The area

The outline as issued.

The facts

Issued
Mar 13, 2021, 9:50 AM CST (15:50 UTC)
In effect from
Mar 13, 2021, 12:46 PM CST
Expired
Mar 14, 2021, 8:19 AM CDT
In force
19 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
Minor

County Osage County, OK

The radar

The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 15:50 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 Bird Creek at Avant (AVTO2). The gauge peaked at 21.60 ft at Mar 13, 2021, 7:00 PM CST.

actionminormoderate510152003/1303/1403/15
Action stage
17 ft
Minor stage
17 ft
Moderate stage
21 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07176500, 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.

531 
WGUS44 KTSA 131550
FLWTSA

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Tulsa OK
950 AM CST Sat Mar 13 2021

...The National Weather Service in Tulsa OK has issued a Flood 
Warning for the following rivers in Oklahoma...

  Bird Creek at Avant affecting Osage County.


OKC113-140400-
/O.NEW.KTSA.FL.W.0004.210313T1846Z-210314T1251Z/
/AVTO2.1.ER.210313T1846Z.210314T0000Z.210314T0650Z.NO/
950 AM CST Sat Mar 13 2021

The National Weather Service in Tulsa has issued a

* Flood Warning for
  the Bird Creek at Avant.
* Until Sunday morning.
* At 9:30 AM CST Saturday the stage was 14.8 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  afternoon to a crest of 19.0 feet this evening. It will then fall 
  below flood stage just after midnight tonight.
* Impact...At 19.0 feet, minor flooding of farmlands occurs along 
  the floodplain of Bird Creek downtream from Avant.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$

RBD
5 follow-up statements
043 
WGUS84 KTSA 131934
FLSTSA

Flood Statement
National Weather Service Tulsa OK
134 PM CST Sat Mar 13 2021

...The Flood Warning continues for the following rivers in 
Oklahoma...

  Bird Creek at Avant affecting Osage County.


OKC113-140745-
/O.EXT.KTSA.FL.W.0004.000000T0000Z-210314T1235Z/
/AVTO2.1.ER.210313T1646Z.210314T0000Z.210314T0635Z.NO/
134 PM CST Sat Mar 13 2021

...The Flood Warning is now in effect until tomorrow morning...

The Flood Warning continues for
  the Bird Creek at Avant.
* Until Sunday morning.
* At 12:30 PM CST Saturday the stage was 18.5 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 19.3 feet 
  this evening. It will then fall below flood stage just after 
  midnight tonight.
* Impact...At 19.0 feet, minor flooding of farmlands occurs along 
  the floodplain of Bird Creek downtream from Avant.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$

RJS
540 
WGUS44 KTSA 132146
FLWTSA

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Tulsa OK
346 PM CST Sat Mar 13 2021

...Forecast flooding changed from Minor to Moderate severity for the 
following rivers in Oklahoma...

  Bird Creek at Avant affecting Osage County.


OKC113-141000-
/O.EXT.KTSA.FL.W.0004.000000T0000Z-210314T1350Z/
/AVTO2.2.ER.210313T1646Z.210314T0000Z.210314T0750Z.NO/
346 PM CST Sat Mar 13 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until tomorrow morning...

The Flood Warning continues for
  the Bird Creek at Avant.
* Until Sunday morning.
* At 3:30 PM CST Saturday the stage was 20.5 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 21.1 feet 
  this evening. It will then fall below flood stage after midnight 
  tonight.
* Impact...At 21.0 feet, moderate flooding of farmland occurs along 
  the floodplain of Bird Creek downstream from Avant. County roads 
  west of Highway 11 may be flooded.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$
814 
WGUS84 KTSA 140233
FLSTSA

Flood Statement
National Weather Service Tulsa OK
833 PM CST Sat Mar 13 2021

...The Flood Warning continues for the following rivers in 
Oklahoma...

  Bird Creek at Avant affecting Osage County.


OKC113-141430-
/O.EXT.KTSA.FL.W.0004.000000T0000Z-210314T1421Z/
/AVTO2.2.ER.210313T1646Z.210314T0130Z.210314T0821Z.NO/
833 PM CST Sat Mar 13 2021

...Observed flooding increased from Minor to Moderate severity and 
increased in duration until late tomorrow morning...

The Flood Warning continues for
  the Bird Creek at Avant.
* Until Sunday morning.
* At 7:30 PM CST Saturday the stage was 21.3 feet.
* Flood stage is 17.0 feet.
* Moderate flooding is occurring and minor flooding is forecast.
* Forecast...The river is nearing crest and is expected to fall 
  below flood stage late tonight and continue falling to 9.7 feet 
  tomorrow afternoon.
* Impact...At 21.0 feet, moderate flooding of farmland occurs along 
  the floodplain of Bird Creek downstream from Avant. County roads 
  west of Highway 11 may be flooded.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$
538 
WGUS84 KTSA 140725
FLSTSA

Flood Statement
National Weather Service Tulsa OK
125 AM CST Sun Mar 14 2021

...The Flood Warning continues for the following rivers in 
Oklahoma...

  Bird Creek at Avant affecting Osage County.


OKC113-141415-
/O.EXT.KTSA.FL.W.0004.000000T0000Z-210314T1403Z/
/AVTO2.1.ER.210313T1646Z.210314T0130Z.210314T0803Z.NO/
125 AM CST Sun Mar 14 2021

...The Flood Warning is now in effect until late this morning...

The Flood Warning continues for
  the Bird Creek at Avant.
* Until this morning.
* At 12:30 AM CST Sunday the stage was 18.2 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring.
* Forecast...The river is expected to fall below flood stage early 
  this morning and continue falling to 4.1 feet early Friday morning.
* Impact...At 17.0 feet, agricultural lands along the Bird Creek 
  floodplain downstream from Avant may experience minor flooding.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$
212 
WGUS84 KTSA 141319
FLSTSA

Flood Statement
National Weather Service Tulsa OK
819 AM CDT Sun Mar 14 2021

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

  Bird Creek at Avant affecting Osage County.

OKC113-141430-
/O.CAN.KTSA.FL.W.0004.000000T0000Z-210314T1319Z/
/AVTO2.1.ER.700119T1647Z.700119T1648Z.700119T1648Z.NO/
819 AM CDT Sun Mar 14 2021

...The Flood Warning for the Bird Creek at Avant has been 
cancelled...

The Flood Warning is cancelled for
  the Bird Creek at Avant.
* At 7:30 AM CDT Sunday the stage was 6.3 feet.
* Flood stage is 17.0 feet.
* Forecast...The river is expected to fall to 3.9 feet Friday 
  morning.


&&

LAT...LON 3659 9608 3642 9592 3635 9601 3653 9621

$$

RBD

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 7:27 PM CSTRiver Flood WarningTSAOttawa9 days
Mar 12, 10:24 PM CSTSpecial Weather StatementTSAWashington36 min
Mar 12, 10:55 PM CSTAreal Flood AdvisoryTSAOsage, Pawnee3 hr
Mar 13, 1:23 AM CSTAreal Flood AdvisoryTSAOttawa3 hr
Mar 13, 1:36 AM CSTAreal Flood AdvisoryTSANowata, Osage, Pawnee, Washington3 hr
Mar 13, 2:34 AM CSTAreal Flood AdvisoryTSACraig, Ottawa2 hr
Mar 13, 3:51 AM CSTFlash Flood WarningTSACraig, Delaware, Ottawa4 hr
Mar 13, 7:14 AM CSTAreal Flood AdvisoryTSACraig, Nowata, Osage, Pawnee, Rogers, Washington3 hr
Mar 13, 1:30 PM CSTRiver Flood WarningTSAWashington55 hr
Mar 13, 1:32 PM CSTRiver Flood WarningTSARogers, Tulsa3 days

Nearby

River Flood Warnings in Oklahoma, 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.