Alert archive / Tennessee / Flash Flood Warnings in 2021
Flash Flood Warning 2, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Feb 28, 2021, 4:37 PM CST for 4 counties in Tennessee; Pemiscot County, Missouri; Mississippi County, Arkansas. It was in force for 5 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Feb 28, 2021, 4:37 PM CST (22:37 UTC)
- Expired
- Feb 28, 2021, 9:30 PM CST
- In force
- 5 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mississippi County, AR, Pemiscot County, MO, Dyer County, TN, Lake County, TN, Obion County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 91 km from the middle of the area, began a volume at 22:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 28, 4:41 PM CST | FLASH FLOOD | Union City, TN | 4.25 INCHES OF RAIN SINCE MIDNIGHT. COUNTY WIDE FLOODING PROBLEMS. SOME BUSINESS FLOODED. |
| Feb 28, 8:01 PM CST | FLASH FLOOD | Union City, TN | UNION CITY WAS THE HARDEST HIT WITH EXCESSIVE WATER CAUSING SEVERAL ROADS TO BE WASHED OUT. SEVERAL HIGHWAYS AND ROADS AND STREETS CLOSED ACROSS THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.6 hours before the alert went out and 149 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 448 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 396 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
876
WGUS54 KMEG 282237
FFWMEG
ARC093-MOC155-TNC045-095-131-183-010130-
/O.NEW.KMEG.FF.W.0002.210228T2237Z-210301T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
437 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
North Central Mississippi County in eastern Arkansas...
Southern Pemiscot County in southeastern Missouri...
Northwestern Dyer County in western Tennessee...
South Central Lake County in western Tennessee...
Central Obion County in western Tennessee...
Northern Weakley County in western Tennessee...
* Until 730 PM CST.
* At 437 PM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Blytheville, Martin, Union City, Caruthersville, Gosnell, Steele,
South Fulton, Troy, Obion, Cooter, Dell, Cloverdale, Miston,
Heloise, Latham, Trimble, Hornbeak, Rives, Holland and Lane.
This includes the following streams and drainages...
Powell Creek, Little Cypress Creek, South Branch Pawpaw Creek,
Little Richland Creek, Atkins Creek, Cool Springs Branch, Troy
Creek, Johnson Creek, Running Reelfoot Bayou, Donoho Branch,
Vowell Branch, Rock Slough, Town Creek, Old Knob Creek, North Fork
Obion River, Cane Creek, Jones Branch, Harris Fork Creek, Cypress
Creek, Coon Creek, Blue Bank Bayou, Deer Creek, Murray Creek,
South Fork Obion River, Mississippi River, Wolf Creek, Davidson
Creek, Stake Slough, Little River, Brown Creek, Richland Creek,
Blackamore Creek, Jones Creek, Walnut Grove Branch, Mud Creek,
Hicks Branch, Dry Creek, Trouble Creek, Camp Ground Creek, Raccoon
Creek, Mill Creek, Dillard Creek, Biggs Creek, Clover Creek, Adams
Branch, Lewis Creek, Reeds Creek, South Reelfoot Creek, Cloverdale
Creek, Pemiscot Bayou, Lea Branch, Biffle Creek, Left Hand Chute
of Little River and Pawpaw Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3600 8996 3603 8996 3650 8890 3650 8852
3636 8876 3586 9003 3595 9014 3600 9004
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 3 HOURS
$$1 follow-up statement
215
WGUS54 KMEG 010117
FFWMEG
ARC093-MOC155-TNC045-095-131-183-010330-
/O.EXT.KMEG.FF.W.0002.000000T0000Z-210301T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
717 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
North Central Mississippi County in eastern Arkansas...
Southern Pemiscot County in southeastern Missouri...
Northwestern Dyer County in western Tennessee...
South Central Lake County in western Tennessee...
Central Obion County in western Tennessee...
Northern Weakley County in western Tennessee...
* Until 930 PM CST.
* At 717 PM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Blytheville, Martin, Union City, Caruthersville, Gosnell, Steele,
South Fulton, Troy, Obion, Cooter, Dell, Cloverdale, Miston,
Heloise, Latham, Trimble, Hornbeak, Rives, Holland and Lane.
This includes the following streams and drainages...
Powell Creek, Little Cypress Creek, South Branch Pawpaw Creek,
Little Richland Creek, Atkins Creek, Cool Springs Branch, Troy
Creek, Johnson Creek, Running Reelfoot Bayou, Donoho Branch,
Vowell Branch, Rock Slough, Town Creek, Old Knob Creek, North Fork
Obion River, Cane Creek, Jones Branch, Harris Fork Creek, Cypress
Creek, Coon Creek, Blue Bank Bayou, Deer Creek, Murray Creek,
South Fork Obion River, Mississippi River, Wolf Creek, Davidson
Creek, Stake Slough, Little River, Brown Creek, Richland Creek,
Blackamore Creek, Jones Creek, Walnut Grove Branch, Mud Creek,
Hicks Branch, Dry Creek, Trouble Creek, Camp Ground Creek, Raccoon
Creek, Mill Creek, Dillard Creek, Biggs Creek, Clover Creek, Adams
Branch, Lewis Creek, Reeds Creek, South Reelfoot Creek, Cloverdale
Creek, Pemiscot Bayou, Lea Branch, Biffle Creek, Left Hand Chute
of Little River and Pawpaw Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3600 8996 3603 8996 3650 8890 3650 8852
3636 8876 3586 9003 3595 9014 3600 9004
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 3 HOURS
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 6:37 PM CST | Special Weather Statement | MEG | Decatur | 23 min |
| Feb 27, 9:03 PM CST | Dense Fog Advisory | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 7 hr |
| Feb 28, 11:47 AM CST | River Flood Warning | MEG | Obion, Weakley | 65 hr |
| Feb 28, 11:49 AM CST | River Flood Warning | MEG | Dyer, Gibson, Obion | 7 days |
| Feb 28, 11:50 AM CST | River Flood Advisory | MEG | Decatur, Perry | 5 days |
| Feb 28, 3:15 PM CST | Severe Thunderstorm Warning | MEG | Dyer, Lake | 33 min |
| Feb 28, 3:37 PM CST | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
| Feb 28, 4:44 PM CST | Flash Flood Warning | MEG | Lake, Obion | 5 hr |
| Feb 28, 5:16 PM CST | Flash Flood Warning | MEG | Lauderdale | 3 hr |
| Feb 28, 5:34 PM CST | Severe Thunderstorm Warning | MEG | Lauderdale, Shelby, Tipton | 41 min |
| Feb 28, 4:46 PM CST | Special Weather Statement | MEG | Cross | 29 min |
| Feb 28, 4:56 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Poinsett | 49 min |
Nearby
Flash Flood Warnings in Tennessee, 2021Flash Flood Warnings in Missouri, 2021Flash Flood Warnings in Arkansas, 2021Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.