Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 59, NWS Memphis, TN

June 9, 2021Lafayette County, Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 9, 2021, 3:04 PM CDT for Lafayette County, Mississippi. It was in force for 9 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 9, 2021, 3:04 PM CDT (20:04 UTC)
Expired
Jun 9, 2021, 3:13 PM CDT
In force
9 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
Unknown

County Lafayette County, MS

The radar

The Memphis radar (KNQA), 109 km from the middle of the area, began a volume at 20:04 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 nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.1 hours before the alert went out and 62 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939Sfc1 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
1290 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
533 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

989 
WGUS54 KMEG 092004
FFWMEG
MSC071-092300-
/O.NEW.KMEG.FF.W.0059.210609T2004Z-210609T2300Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
304 PM CDT Wed Jun 9 2021

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  A Dam Failure on the Lake Tara below Lake Tara Dam in...
  Central Lafayette County in northwestern Mississippi...

* Until 600 PM CDT.

* At 304 PM CDT, dam operators reported the imminent failure of Lake 
  Tara Dam.

  HAZARD...Flash flooding from the imminent failure of Lake Tara
           Dam.

  SOURCE...Dam operator.

  IMPACT...Flooding of areas downstream from the Lake Tara Dam
           along the Lake Tara.

* Some locations that will experience flash flooding include...
  Oxford.

Flooding is occurring along the Lake Tara.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you are in low lying areas below the Lake Tara Dam you should 
move to higher ground immediately.

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

&&

LAT...LON 3445 8950 3445 8945 3437 8942 3436 8951
      3445 8952

FLASH FLOOD...OBSERVED
DAM FAILURE...IMMINENT

$$

SWB
1 follow-up statement
301 
WGUS74 KMEG 092013
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
313 PM CDT Wed Jun 9 2021

MSC071-092023-
/O.CAN.KMEG.FF.W.0059.000000T0000Z-210609T2300Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lafayette MS-
313 PM CDT Wed Jun 9 2021

...FLASH FLOOD WARNING FOR THE FAILURE OF LAKE TARA DAM ON THE LAKE 
TARA IS CANCELLED FOR CENTRAL LAFAYETTE COUNTY...

Area is east of the warning. Please continue to heed remaining road 
closures.

A Flash Flood Watch remains in effect until 700 PM CDT Thursday for 
a portion of North Mississippi.

LAT...LON 3445 8945 3437 8942 3436 8951 3445 8952

$$

SGW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:08 PM CDTSpecial Weather StatementMEGChickasaw, Lee, Monroe37 min
Jun 8, 7:12 PM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Pontotoc3 hr
Jun 8, 7:47 PM CDTSpecial Weather StatementMEGItawamba, Monroe28 min
Jun 8, 8:15 PM CDTSpecial Weather StatementMEGItawamba30 min
Jun 8, 9:20 PM CDTAreal Flood AdvisoryMEGDeSoto, Tunica3 hr
Jun 8, 10:58 PM CDTFlash Flood WarningMEGCoahoma, Panola, Quitman, Tallahatchie, Tunica11 hr
Jun 8, 11:00 PM CDTFlash Flood WarningMEGCalhoun, Lafayette, Pontotoc, Union, Yalobusha11 hr
Jun 8, 11:05 PM CDTFlash Flood WarningMEGBenton, Marshall, Tate, Tippah3 hr
Jun 9, 1:28 AM CDTAreal Flood WarningMEGCalhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 3 more38 min
Jun 9, 1:53 AM CDTAreal Flood AdvisoryMEGDeSoto, Marshall, Tate, Tunica4 hr
Jun 9, 2:04 AM CDTAreal Flood AdvisoryMEGBenton, Lafayette, Marshall, Tate, Tippah, Union4 hr
Jun 9, 2:06 AM CDTFlash Flood WarningMEGCalhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 2 more7 hr
Jun 9, 5:00 AM CDTRiver Flood WarningMEGLee21 days
Jun 9, 5:06 AM CDTRiver Flood WarningMEGCalhoun15 hr
Jun 9, 5:11 AM CDTAreal Flood WarningMEGBenton, Coahoma, DeSoto, Lafayette, Marshall, Panola and 2 more99 min
Jun 9, 5:22 AM CDTRiver Flood WarningMEGTate, Tunica44 hr
Jun 9, 5:37 AM CDTRiver Flood WarningMEGCalhoun13 hr
Jun 9, 6:50 AM CDTFlash Flood WarningMEGDeSoto, Lafayette, Marshall, Panola, Tate, Tunica3 hr
Jun 9, 6:56 AM CDTAreal Flood AdvisoryMEGAlcorn, Benton, Marshall, Prentiss, Tippah, Union3 hr
Jun 9, 7:44 AM CDTAreal Flood AdvisoryMEGAlcorn, Lee, Prentiss, Tishomingo2 hr
Jun 9, 8:58 AM CDTFlash Flood WarningMEGLafayette, Lee, Pontotoc, Union5 hr
Jun 9, 9:21 AM CDTFlash Flood WarningMEGCoahoma, DeSoto, Panola, Quitman, Tate, Tunica3 hr
Jun 9, 11:04 AM CDTAreal Flood AdvisoryMEGLafayette, Marshall3 hr
Jun 9, 11:08 AM CDTSpecial Weather StatementMEGUnion37 min
Jun 9, 11:53 AM CDTSpecial Weather StatementMEGLee37 min
Jun 9, 12:12 PM CDTFlash Flood Warning Considerable damage threatMEGCoahoma, Panola, Quitman, Tallahatchie, Tate, Tunica and 1 more3 hr
Jun 9, 12:39 PM CDTSpecial Weather StatementMEGCalhoun36 min
Jun 9, 1:27 PM CDTSpecial Weather StatementMEGChickasaw33 min
Jun 9, 2:03 PM CDTAreal Flood AdvisoryMEGCalhoun, Lafayette, Lee, Pontotoc, Union, Yalobusha3 hr
Jun 9, 2:14 PM CDTSpecial Weather StatementMEGMonroe31 min
Jun 9, 3:10 PM CDTAreal Flood AdvisoryMEGCoahoma, Panola, Quitman, Tallahatchie, Tate, Tunica and 1 more3 hr
Jun 9, 3:15 PM CDTFlash Flood WarningMEGLafayette6 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.