Alert archive / Georgia / River Flood Warnings in 2021
River Flood Warning 25, NWS Morristown, TN
NWS Morristown, TN issued this river flood warning at Aug 31, 2021, 9:39 AM EDT for Catoosa County, Georgia; Hamilton County, Tennessee. It took effect at Sep 1, 2021, 5:56 AM EDT. It was in force for .
The area
The outline as issued.
The facts
- Issued
- Aug 31, 2021, 9:39 AM EDT (13:39 UTC)
- In effect from
- Sep 1, 2021, 5:56 AM EDT
- Expired
- Sep 1, 2021, 5:54 AM EDT
- In force
- 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 13:40 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 16.59 ft at Sep 1, 2021, 12:00 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.
748 WGUS44 KMRX 311339 FLWMRX BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Morristown TN 939 AM EDT Tue Aug 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... 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 1145 PM EDT. && GAC047-TNC065-010345- /O.NEW.KMRX.FL.W.0025.210901T1050Z-210901T1922Z/ /CHKT1.1.ER.210901T1050Z.210901T1200Z.210901T1321Z.NO/ 939 AM EDT Tue Aug 31 2021 The National Weather Service in Morristown has issued a * Flood Warning for the South Chickamauga Creek Near Chickamauga TN. * From Wednesday morning to tomorrow afternoon. * At 9:15 AM EDT Tuesday the stage was 6.9 feet. * Flood stage is 18.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise above flood stage Wednesday morning to a crest of 18.4 feet. It will then fall below flood stage during Wednesday afternoon. * 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. * Flood History...No available flood history. && LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522 $$ GC
2 follow-up statements
518 WGUS84 KMRX 010142 FLSMRX Flood Statement National Weather Service Morristown TN 942 PM EDT Tue Aug 31 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. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued Wednesday afternoon at 1245 PM EDT. && GAC047-TNC065-011645- /O.EXT.KMRX.FL.W.0025.210901T0956Z-210901T2010Z/ /CHKT1.1.ER.210901T0956Z.210901T1200Z.210901T1410Z.NO/ 942 PM EDT Tue Aug 31 2021 ...The Flood Warning is now in effect until tomorrow afternoon... The Flood Warning continues for the South Chickamauga Creek Near Chickamauga TN. * From late tonight to tomorrow afternoon. * At 9:15 PM EDT Tuesday the stage was 14.4 feet. * Flood stage is 18.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise above flood stage late tonight to a crest of 18.5 feet tomorrow morning. It will then fall below flood stage late tomorrow 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. * 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 $$ 19
645 WGUS84 KMRX 010954 FLSMRX Flood Statement National Weather Service Morristown TN 554 AM EDT Wed Sep 1 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-TNC065-011100- /O.CAN.KMRX.FL.W.0025.210901T0956Z-210901T0954Z/ /CHKT1.1.ER.210901T0956Z.210901T1200Z.210901T1410Z.NO/ 554 AM EDT Wed Sep 1 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 PM EDT Tuesday the stage was 14.4 feet. * Flood stage is 18.0 feet. * Forecast...The river is expected to crest at 16.3 feet around daybreak, which is below flood stage. As such, the flood warning is cancelled. && LAT...LON 3509 8528 3511 8521 3497 8513 3497 8522 $$ CD
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 8:01 PM EDT | Special Weather Statement | MRX | Anderson, Campbell, Morgan, Scott | 59 min |
| Aug 30, 8:25 PM EDT | Special Weather Statement | MRX | Grainger, Jefferson, Knox, Sevier, Union | 65 min |
| Aug 30, 8:42 PM EDT | Areal Flood Advisory | MRX | Anderson, Blount, Campbell, Cocke, Grainger, Jefferson and 5 more | 2 hr |
| Aug 31, 10:23 AM EDT | Areal Flood Advisory | MRX | Bradley, Loudon, McMinn, Monroe, Polk | 3 hr |
| Aug 31, 12:44 PM EDT | Areal Flood Advisory | MRX | Monroe, Polk | 9 hr |
| Aug 31, 2:08 PM EDT | Special Weather Statement | MRX | Sequatchie | 22 min |
| Aug 31, 2:10 PM EDT | Special Weather Statement | MRX | Bradley | 20 min |
| Aug 31, 2:32 PM EDT | Special Weather Statement | MRX | Bledsoe | 28 min |
| Aug 31, 3:07 PM EDT | Special Weather Statement | MRX | Meigs | 23 min |
| Aug 31, 3:23 PM EDT | Special Weather Statement | MRX | Rhea | 37 min |
| Aug 31, 3:48 PM EDT | Special Weather Statement | MRX | Rhea | 27 min |
| Aug 31, 4:43 PM EDT | Areal Flood Advisory | MRX | Hamilton, Marion, Sequatchie | 2 hr |
| Aug 31, 5:16 PM EDT | Areal Flood Advisory | MRX | Knox | 85 min |
| Aug 31, 5:24 PM EDT | Areal Flood Advisory | MRX | McMinn, Monroe, Polk | 5 hr |
| Aug 31, 6:12 PM EDT | Areal Flood Advisory | MRX | Blount, Knox, Loudon, Monroe | 4 hr |
| Aug 31, 6:20 PM EDT | Special Weather Statement | MRX | Carter, Johnson | 40 min |
| Aug 31, 6:41 PM EDT | Flash Flood Warning | MRX | Knox | 2 hr |
| Aug 31, 6:53 PM EDT | Areal Flood Advisory | MRX | Anderson, Knox | 5 hr |
| Aug 31, 7:02 PM EDT | Areal Flood Advisory | MRX | Loudon, Monroe, Roane | 3 hr |
Nearby
River Flood Warnings in Georgia, 2021River Flood Warnings in Tennessee, 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.