Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 48, NWS Memphis, TN

June 8, 20215 counties in Mississippi; Phillips County, Arkansas

NWS Memphis, TN issued this flash flood warning at Jun 8, 2021, 1:45 PM CDT for 5 counties in Mississippi; Phillips County, Arkansas. It was in force for 4 hr. 1 report 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, 1:45 PM CDT (18:45 UTC)
Expired
Jun 8, 2021, 6:04 PM CDT
In force
4 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Phillips County, AR, Coahoma County, MS, Lafayette County, MS, Panola County, MS, Quitman County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 128 km from the middle of the area, began a volume at 18:47 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, 4:51 PM CDTFLASH FLOOD5 W Falcon, MSSEVERAL LOW-LYING ROADS REMAIN FLOODED IN NORTHWEST QUITMAN 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, 6.8 hours before the alert went out and 79 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.

249 
WGUS54 KMEG 081845
FFWMEG
ARC107-MSC027-071-107-119-143-082200-
/O.NEW.KMEG.FF.W.0048.210608T1845Z-210608T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Phillips County in eastern Arkansas...
  Coahoma County in northwestern Mississippi...
  Northern Lafayette County in northwestern Mississippi...
  Panola County in northwestern Mississippi...
  Quitman County in northwestern Mississippi...
  Southern Tunica County in northwestern Mississippi...

* Until 500 PM CDT.

* At 145 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen over the past several hours. The expected rainfall 
  rate is 1 inch in 1 hour. Saturated soils will result in efficient 
  runoff of any further rainfall. Additional rainfall amounts of 1 
  to 2 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...
  Clarksdale, Batesville, Marvell, Elaine, Helena-West Helena, St 
  Francis National Park, John W Kyle State Park, White River 
  National Wildlife Refuge, Marks, Sardis, Lambert, Jonestown, Como, 
  Friars Point, Crenshaw, Sledge, Lexa, Belen, Dundee and Darling.

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 3412 9112 3414 9108 3434 9106 3434 9100
      3447 9100 3447 9105 3465 9105 3464 9046
      3455 9020 3455 8948 3450 8925 3436 8972
      3399 9066 3412 9066

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR

$$

MJ
2 follow-up statements
917 
WGUS54 KMEG 082150
FFWMEG
ARC107-MSC027-071-107-119-143-090000-
/O.EXT.KMEG.FF.W.0048.000000T0000Z-210609T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Memphis has extended the

* Flash Flood Warning for...
  Phillips County in eastern Arkansas...
  Coahoma County in northwestern Mississippi...
  Northern Lafayette County in northwestern Mississippi...
  Panola County in northwestern Mississippi...
  Quitman County in northwestern Mississippi...
  Southern Tunica County in northwestern Mississippi...

* Until 700 PM CDT.

* At 450 PM CDT, emergency management continued to report flooding 
  of low-lying areas from heavy rainfall received during earlier 
  thunderstorms. Several roads remain flooded in both northwest and 
  southeast portions of Quitman County. Between 1 and 3 inches of 
  rain have fallen over the past several hours and additional 
  rainfall amounts up to 1 inch are possible in the warned area. 
  Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management 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...
  Clarksdale, Batesville, Marvell, Elaine, Helena-West Helena, St 
  Francis National Park, John W Kyle State Park, White River 
  National Wildlife Refuge, Marks, Sardis, Lambert, Jonestown, Como, 
  Friars Point, Crenshaw, Sledge, Lexa, Belen, Dundee and Darling.

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 3412 9112 3414 9108 3434 9106 3434 9100
      3447 9100 3447 9105 3465 9105 3464 9046
      3455 9020 3455 8948 3450 8925 3436 8972
      3399 9066 3412 9066

FLASH FLOOD...OBSERVED

$$

MJ
288 
WGUS74 KMEG 082304
FFSMEG

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

ARC107-MSC027-071-107-119-143-082314-
/O.CAN.KMEG.FF.W.0048.000000T0000Z-210609T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Phillips AR-Coahoma MS-Lafayette MS-Panola MS-Quitman MS-Tunica MS-
604 PM CDT Tue Jun 8 2021

...FLASH FLOOD WARNING IS CANCELLED FOR PHILLIPS, COAHOMA, NORTHERN 
LAFAYETTE, PANOLA, QUITMAN AND SOUTHERN TUNICA COUNTIES...

The heavy rain has ended and the Flash Flood Warning has been 
replaced by an Areal Flood Warning due to prolonged flooding with 
slow rises in water levels.

A Flash Flood Watch remains in effect until 100 PM CDT Wednesday for 
portions of East Arkansas and North Mississippi.

LAT...LON 3412 9112 3414 9108 3434 9106 3434 9100
      3447 9100 3447 9105 3465 9105 3464 9046
      3455 9020 3455 8948 3450 8925 3436 8972
      3399 9066 3412 9066

$$

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, 11:12 AM CDTFlash Flood WarningMEGBenton, Marshall, Pontotoc, Tippah, Union4 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, 1:53 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
Jun 7, 7:29 PM CDTSpecial Weather StatementMEGLee, St. Francis31 min
Jun 7, 7:57 PM CDTSevere Thunderstorm WarningMEGCross, Lee, St. Francis21 min
Jun 7, 8:20 PM CDTSpecial Weather StatementMEGCross, Poinsett25 min

Nearby

Flash Flood Warnings in Mississippi, 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.