Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 46, NWS Memphis, TN

June 8, 20215 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 8, 2021, 11:12 AM CDT for 5 counties in Mississippi. It was in force for 4 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
Jun 8, 2021, 11:12 AM CDT (16:12 UTC)
Expired
Jun 8, 2021, 3:00 PM CDT
In force
4 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Benton County, MS, Marshall County, MS, Pontotoc County, MS, Tippah County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 93 km from the middle of the area, began a volume at 16:15 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

TimeReportWhereRemark
Jun 8, 12:20 PM CDTFLASH FLOOD3 W Myrtle, MSAT LEAST 6 INCHES OF FLOWING WATER OVER CR 7 AND CR 299 WEST OF MYRTLE.
Jun 8, 2:00 PM CDTFLASH FLOODNew Albany, MSSEVERAL CARS STALLED IN FLOODWATERS IN DOWNTOWN NEW ALBANY. WATER IS SEVERAL FEET DEEP IN SOME LOCATIONS, INCLUDING MAIN STREET.

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, 4.2 hours before the alert went out and 93 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
215 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

734 
WGUS54 KMEG 081612
FFWMEG
MSC009-093-115-139-145-082000-
/O.NEW.KMEG.FF.W.0046.210608T1612Z-210608T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1112 AM CDT Tue Jun 8 2021

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Southeastern Benton County in northeastern Mississippi...
  Pontotoc County in northeastern Mississippi...
  Southern Tippah County in northeastern Mississippi...
  Union County in northeastern Mississippi...
  Southeastern Marshall County in northwestern Mississippi...

* Until 300 PM CDT.

* At 1112 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 2 inches in 1 
  hour. Additional rainfall amounts of 1 to 3 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  New Albany, Pontotoc, Ripley, Blue Mountain, Ecru, Keownville, New 
  Harmony, Etta, Pinedale, Gravestown, Bethlehem, Randolph, Sherman, 
  Thaxton, Hickory Flat, Algoma, Potts Camp, Myrtle, Dumas and 
  Toccopola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3455 8948 3475 8909 3478 8875 3476 8875
      3476 8872 3460 8872 3460 8873 3449 8874
      3449 8879 3439 8879 3439 8882 3416 8899
      3407 8924 3450 8925 3453 8933 3452 8943

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

MJ
1 follow-up statement
856 
WGUS74 KMEG 081818
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
118 PM CDT Tue Jun 8 2021

MSC009-093-115-139-145-082000-
/O.CON.KMEG.FF.W.0046.000000T0000Z-210608T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton MS-Marshall MS-Pontotoc MS-Tippah MS-Union MS-
118 PM CDT Tue Jun 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM CDT THIS 
AFTERNOON FOR SOUTHEASTERN BENTON, PONTOTOC, SOUTHERN TIPPAH, UNION 
AND SOUTHEASTERN MARSHALL COUNTIES...

At 118 PM CDT, the public reported flash flooding along County Roads 
299 and 7 west of Myrtle. This flooding is due to training 
thunderstorms producing heavy rain across the warned area. Between 1 
and 3 inches of rain have fallen. The expected rainfall rate is 1 to 
2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are 
possible in the warned area. Flash flooding is already occurring..

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  New Albany, Pontotoc, Ripley, Blue Mountain, Ecru, Keownville, New 
  Harmony, Etta, Pinedale, Gravestown, Bethlehem, Randolph, Sherman, 
  Thaxton, Hickory Flat, Algoma, Potts Camp, Myrtle, Dumas and 
  Toccopola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3455 8948 3475 8909 3478 8875 3476 8875
      3476 8872 3460 8872 3460 8873 3449 8874
      3449 8879 3439 8879 3439 8882 3416 8899
      3407 8924 3450 8925 3453 8933 3452 8943

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:09 PM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman, Tallahatchie, Tunica21 min
Jun 7, 7:40 PM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall, Panola, Tate, Tunica37 min
Jun 7, 8:19 PM CDTSpecial Weather StatementMEGMarshall26 min
Jun 8, 1:59 AM CDTSpecial Weather StatementMEGMonroe46 min
Jun 8, 2:33 AM CDTAreal Flood AdvisoryMEGChickasaw, Itawamba, Lee, Monroe57 min
Jun 8, 4:25 AM CDTFlash Flood WatchMEGAlcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more4 days
Jun 8, 5:24 AM CDTFlash Flood WarningMEGCoahoma, Panola, Quitman, Tallahatchie5 hr
Jun 8, 6:50 AM CDTFlash Flood WarningMEGBenton, Calhoun, Lafayette, Marshall, Panola, Tallahatchie and 3 more3 hr
Jun 8, 7:47 AM CDTAreal Flood AdvisoryMEGCoahoma, DeSoto, Marshall, Panola, Quitman, Tate and 1 more3 hr
Jun 8, 9:59 AM CDTFlash Flood Warning Considerable damage threatMEGCalhoun, Coahoma, Lafayette, Panola, Quitman, Tallahatchie and 1 more4 hr
Jun 8, 10:33 AM CDTAreal Flood AdvisoryMEGCoahoma, Panola, Quitman, Tate, Tunica3 hr
Jun 8, 10:37 AM CDTAreal Flood AdvisoryMEGBenton, Marshall, Tippah, Union2 hr
Jun 8, 12:19 PM CDTFlash Flood Warning EmergencyCatastrophic damage threatMEGCoahoma, Quitman, Tallahatchie4 hr
Jun 8, 1:02 PM CDTRiver Flood WarningMEGMonroe5 days
Jun 8, 1:02 PM CDTRiver Flood WarningMEGLafayette61 hr
Jun 8, 1:02 PM CDTRiver Flood WarningMEGLafayette, Marshall, Union3 days
Jun 8, 1:02 PM CDTRiver Flood WarningMEGMonroe7 days
Jun 8, 1:02 PM CDTRiver Flood WarningMEGLowndes, Monroe8 days
Jun 8, 1:06 PM CDTSpecial Weather StatementMEGCalhoun24 min
Jun 8, 1:40 PM CDTSpecial Weather StatementMEGLee, Pontotoc35 min
Jun 8, 1:45 PM CDTFlash Flood WarningMEGCoahoma, Lafayette, Panola, Quitman, Tunica4 hr
Jun 8, 1:53 PM CDTFlash Flood Warning Considerable damage threatMEGCalhoun, Coahoma, Lafayette, Panola, Quitman, Tallahatchie and 1 more4 hr
Jun 8, 2:07 PM CDTSevere Thunderstorm WarningMEGLee, Pontotoc, Union23 min
Jun 8, 2:26 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc34 min
Jun 8, 2:27 PM CDTTornado WarningMEGItawamba, Lee33 min
Jun 8, 2:53 PM CDTRiver Flood WarningMEGQuitman9 days
Jun 8, 2:54 PM CDTRiver Flood WarningMEGTallahatchie7 days
Jun 8, 2:55 PM CDTFlash Flood Warning Considerable damage threatMEGLee, Pontotoc, Prentiss, Tippah, Union3 hr
Jun 8, 2:55 PM CDTRiver Flood WarningMEGTallahatchie29 hr
Jun 8, 2:56 PM CDTRiver Flood WarningMEGQuitman46 hr
Jun 8, 3:12 PM CDTSevere Thunderstorm WarningMEGItawamba, Prentiss, Tishomingo29 min
Jun 8, 3:20 PM CDTAreal Flood AdvisoryMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc3 hr
Jun 8, 5:56 PM CDTAreal Flood WarningMEGCoahoma, Panola, Quitman, Tallahatchie, Tate, Tunica5 hr
Jun 8, 6:03 PM CDTAreal Flood WarningMEGCalhoun, Lafayette, Pontotoc, Union, Yalobusha5 hr
Jun 8, 6:12 PM CDTTornado WarningMEGLee, Pontotoc31 min

Nearby

Flash Flood Warnings in Mississippi, 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.