Alert archive / Tennessee / River Flood Warnings in 2021

River Flood Warning 19, NWS Morristown, TN

March 31, 2021Hamilton County, Tennessee; Catoosa County, Georgia

NWS Morristown, TN issued this river flood warning at Mar 31, 2021, 10:57 AM EDT for Hamilton County, Tennessee; Catoosa County, Georgia. It took effect at Apr 1, 2021, 7:27 AM EDT. It was in force for 27 hr.

The area

The outline as issued.

The facts

Issued: Mar 31, 2021, 10:57 AM EDT (14:57 UTC)
In effect from: Apr 1, 2021, 7:27 AM EDT
Expired: Apr 2, 2021, 10:22 AM EDT
In force: 27 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: Minor

Counties Catoosa County, GA, Hamilton County, TN

The radar

The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 14:56 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 S. Chickamauga Creek near Chickamauga (CHKT1). The gauge peaked at 20.17 ft at Apr 1, 2021, 2:00 PM EDT.

Action stage: 16 ft
Minor stage: 18 ft
Moderate stage: 22 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03567500, 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.

297 
WGUS44 KMRX 311457
FLWMRX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Morristown TN
1057 AM EDT Wed Mar 31 2021

...The National Weather Service in Morristown TN has issued a Flood 
Warning for the following rivers in Georgia...Tennessee...

  South Chickamauga Creek Near Chickamauga TN affecting Hamilton 
  and Catoosa Counties.

For the South Chickamauga...including Chickamauga TN...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Caution is urged when walking near riverbanks.

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 late tonight at 200 AM EDT.

&&


GAC047-TNC065-010600-
/O.NEW.KMRX.FL.W.0019.210401T1127Z-210402T1411Z/
/CHKT1.1.ER.210401T1127Z.210402T0000Z.210402T0810Z.NO/
1057 AM EDT Wed Mar 31 2021

The National Weather Service in Morristown has issued a

* Flood Warning for
  the South Chickamauga Creek Near Chickamauga TN.
* From Thursday morning to Friday morning.
* At 10:15 AM EDT Wednesday the stage was 12.9 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 19.0 feet tomorrow evening. It will 
  then fall below flood stage early Friday morning.
* Impact...At 18.0 feet, Water begins to cross Mack Smith Road in 
  Catoosa County, Georgia. Flooding begins at golf courses near the 
  confluence of South and West Chickamauga Creeks. West Chickamauga 
  Creek begins to overflow its banks, as well.
* Impact...At 19.0 feet, Water across Mack Smith road begins to 
  impede traffic. West Chickamauga Creek overflows its banks near 
  the Georgia state line and inundates several roads and properties 
  in the area.
* Impact...At 20.0 feet, Mack Smith Road is closed. Water crosses 
  Lovell Field Loop, the access road around the north end of the 
  airport runway.
* Impact...At 21.0 feet, Mack Smith Road and Lovell Field Loop 
  become impassable. Water begins to come onto Airport Road, just 
  north of the terminal complex. West Chickamauga Creek increases to 
  near a half mile wide in places, becoming hazardous to adjacent 
  travel in East Ridge.
* Flood History...No available flood history.


&&

LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522

$$

SR

4 follow-up statements

646 
WGUS84 KMRX 010212
FLSMRX

Flood Statement
National Weather Service Morristown TN
1012 PM EDT Wed Mar 31 2021

...The Flood Warning continues for the following rivers in Georgia...
Tennessee...

  South Chickamauga Creek Near Chickamauga TN affecting Hamilton 
  and Catoosa Counties.

For the South Chickamauga...including Chickamauga TN...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued Thursday afternoon at 115 PM EDT.

&&


GAC047-TNC065-011715-
/O.CON.KMRX.FL.W.0019.210401T1127Z-210402T1411Z/
/CHKT1.1.ER.210401T1127Z.210402T0000Z.210402T0810Z.NO/
1012 PM EDT Wed Mar 31 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the South Chickamauga Creek Near Chickamauga TN.
* From Thursday morning to Friday morning.
* At 8:15 PM EDT Wednesday the stage was 18.2 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 19.0 feet by 8 AM through 2 PM. It 
  will then fall below flood stage Friday morning.
* Impact...At 18.0 feet, Water begins to cross Mack Smith Road in 
  Catoosa County, Georgia. Flooding begins at golf courses near the 
  confluence of South and West Chickamauga Creeks. West Chickamauga 
  Creek begins to overflow its banks, as well.
* Impact...At 19.0 feet, Water across Mack Smith road begins to 
  impede traffic. West Chickamauga Creek overflows its banks near 
  the Georgia state line and inundates several roads and properties 
  in the area.
* Impact...At 20.0 feet, Mack Smith Road is closed. Water crosses 
  Lovell Field Loop, the access road around the north end of the 
  airport runway.
* Impact...At 21.0 feet, Mack Smith Road and Lovell Field Loop 
  become impassable. Water begins to come onto Airport Road, just 
  north of the terminal complex. West Chickamauga Creek increases to 
  near a half mile wide in places, becoming hazardous to adjacent 
  travel in East Ridge.
* Flood History...This crest compares to a previous crest of 29.3 
  feet on 05/08/2003.


&&

LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522

$$

536 
WGUS84 KMRX 011210
FLSMRX

Flood Statement
National Weather Service Morristown TN
810 AM EDT Thu Apr 1 2021

...The Flood Warning is extended for the following rivers in 
Georgia...Tennessee...

  South Chickamauga Creek Near Chickamauga TN affecting Hamilton 
  and Catoosa Counties.

For the South Chickamauga...including Chickamauga TN...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1115 PM EDT.

&&


GAC047-TNC065-020315-
/O.EXT.KMRX.FL.W.0019.000000T0000Z-210403T0949Z/
/CHKT1.1.ER.210331T2303Z.210402T0600Z.210403T0349Z.NO/
810 AM EDT Thu Apr 1 2021

...The Flood Warning is now in effect until early Saturday morning...

The Flood Warning continues for
  the South Chickamauga Creek Near Chickamauga TN.
* Until late Friday night.
* At 7:15 AM EDT Thursday the stage was 19.5 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 7:15 AM EDT Thursday was 19.5 feet.
* Forecast...The river is expected to rise to a crest of 21.5 feet 
  just after midnight tonight. It will then fall below flood stage 
  late tomorrow evening.
* Impact...At 18.0 feet, Water begins to cross Mack Smith Road in 
  Catoosa County, Georgia. Flooding begins at golf courses near the 
  confluence of South and West Chickamauga Creeks. West Chickamauga 
  Creek begins to overflow its banks, as well.
* Impact...At 19.0 feet, Water across Mack Smith road begins to 
  impede traffic. West Chickamauga Creek overflows its banks near 
  the Georgia state line and inundates several roads and properties 
  in the area.
* Impact...At 20.0 feet, Mack Smith Road is closed. Water crosses 
  Lovell Field Loop, the access road around the north end of the 
  airport runway.
* Impact...At 21.0 feet, Mack Smith Road and Lovell Field Loop 
  become impassable. Water begins to come onto Airport Road, just 
  north of the terminal complex. West Chickamauga Creek increases to 
  near a half mile wide in places, becoming hazardous to adjacent 
  travel in East Ridge.
* Impact...At 22.0 feet, Airport Road is closed to traffic. A couple 
  of homes are slightly flooded near intersection of Mack Smith Road 
  and May Street. Flooding becomes extensive around the north end of 
  the airport.
* Impact...At 23.0 feet, Evacuations begin in some of the low lying 
  areas around Spring Creek in the East Ridge area.
* Flood History...This crest compares to a previous crest of 19.8 
  feet on 02/25/2016.


&&

LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522

$$

Diegan

991 
WGUS84 KMRX 020144
FLSMRX

Flood Statement
National Weather Service Morristown TN
944 PM EDT Thu Apr 1 2021

...The Flood Warning continues for the following rivers in Georgia...
Tennessee...

  South Chickamauga Creek Near Chickamauga TN affecting Hamilton 
  and Catoosa Counties.

For the South Chickamauga...including Chickamauga TN...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued Friday morning at 1130 AM EDT.

&&


GAC047-TNC065-021530-
/O.EXT.KMRX.FL.W.0019.000000T0000Z-210402T1520Z/
/CHKT1.1.ER.210331T2303Z.210401T1745Z.210402T0920Z.NO/
944 PM EDT Thu Apr 1 2021

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

The Flood Warning continues for
  the South Chickamauga Creek Near Chickamauga TN.
* Until Friday morning.
* At 9:15 PM EDT Thursday the stage was 19.12 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:15 PM EDT Thursday was 20.2 feet.
* Forecast...The river is expected to fall below flood stage late 
  tonight and continue falling to 8.4 feet Tuesday evening.
* Impact...At 18.0 feet, Water begins to cross Mack Smith Road in 
  Catoosa County, Georgia. Flooding begins at golf courses near the 
  confluence of South and West Chickamauga Creeks. West Chickamauga 
  Creek begins to overflow its banks, as well.
* Impact...At 19.0 feet, Water across Mack Smith road begins to 
  impede traffic. West Chickamauga Creek overflows its banks near 
  the Georgia state line and inundates several roads and properties 
  in the area.
* Impact...At 20.0 feet, Mack Smith Road is closed. Water crosses 
  Lovell Field Loop, the access road around the north end of the 
  airport runway.
* Impact...At 21.0 feet, Mack Smith Road and Lovell Field Loop 
  become impassable. Water begins to come onto Airport Road, just 
  north of the terminal complex. West Chickamauga Creek increases to 
  near a half mile wide in places, becoming hazardous to adjacent 
  travel in East Ridge.
* Flood History...This crest compares to a previous crest of 18.0 
  feet on 04/24/2017.


&&

LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522

$$

DH

168 
WGUS84 KMRX 021422
FLSMRX

Flood Statement
National Weather Service Morristown TN
1022 AM EDT Fri Apr 2 2021

...The Flood Warning is cancelled for the following rivers in 
Georgia...Tennessee...

  South Chickamauga Creek Near Chickamauga TN affecting Hamilton 
  and Catoosa Counties.

GAC047-TNC065-021530-
/O.CAN.KMRX.FL.W.0019.000000T0000Z-210402T1422Z/
/CHKT1.1.ER.210331T2303Z.210401T1745Z.210402T0520Z.NO/
1022 AM EDT Fri Apr 2 2021

...The Flood Warning for the South Chickamauga Creek Near 
Chickamauga TN has been cancelled...

The Flood Warning is cancelled for
  the South Chickamauga Creek Near Chickamauga TN.
* At 9:15 AM EDT Friday the stage was 16.0 feet.
* Flood stage is 18.0 feet.
* Forecast...The river is expected to fall to 7.5 feet Wednesday 
  morning.


&&

LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522

$$

CDG

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 9:37 PM EDT	Wind Advisory	MRX	Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more	15 hr
Mar 31, 4:57 AM EDT	Areal Flood Advisory	MRX	Marion	2 hr
Mar 31, 5:40 AM EDT	Areal Flood Advisory	MRX	Bradley, Hamilton	3 hr
Mar 31, 7:57 AM EDT	Areal Flood Advisory	MRX	Marion	46 min
Mar 31, 8:42 AM EDT	Flash Flood Warning	MRX	Bradley, Hamilton, Marion, Sequatchie	5 hr
Mar 31, 8:52 AM EDT	Areal Flood Advisory	MRX	Blount, Jefferson, Loudon, Sevier	5 hr
Mar 31, 8:59 AM EDT	Areal Flood Advisory	MRX	Bledsoe, Rhea, Sequatchie	4 hr
Mar 31, 9:05 AM EDT	Areal Flood Advisory	MRX	Monroe	5 hr
Mar 31, 9:52 AM EDT	Areal Flood Advisory	MRX	Monroe, Polk	3 hr
Mar 31, 10:55 AM EDT	River Flood Warning	MRX	Bledsoe, Marion, Sequatchie	35 hr
Mar 31, 12:46 PM EDT	River Flood Warning	MRX	Cocke	22 hr
Mar 31, 1:31 PM EDT	Areal Flood Warning	MRX	Bradley, Hamilton, Marion, Sequatchie	6 hr
Mar 31, 2:04 PM EDT	River Flood Warning	MRX	Polk	14 hr
Mar 31, 3:38 PM EDT	Freeze Watch	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more	18 hr
Mar 31, 3:38 PM EDT	Freeze Warning	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more	17 hr
Mar 31, 3:38 PM EDT	Wind Advisory	MRX	Blount, Carter, Cocke, Greene, Johnson, Monroe and 3 more	12 hr

Nearby

River Flood Warnings in Tennessee, 2021 River Flood Warnings in Georgia, 2021 Every 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.