Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 44, NWS Memphis, TN

June 8, 20219 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 8, 2021, 6:50 AM CDT for 9 counties in Mississippi. It was in force for 3 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, 6:50 AM CDT (11:50 UTC)
Expired
Jun 8, 2021, 10:00 AM CDT
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Benton County, MS, Calhoun County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Tallahatchie County, MS, Tate County, MS, Union County, MS, Yalobusha County, MS

The radar

The Columbus AFB radar (KGWX), 125 km from the middle of the area, began a volume at 11:53 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, 10:00 AM CDTFLASH FLOODWater Valley, MSROAD WASHED OUT ON COUNTY ROAD 224 EAST OF WATER VALLEY. A TRUCK FELL INTO THE CREEK AND DRIVER HAD TO BE PULLED OUT.
Jun 8, 10:10 AM CDTFLASH FLOODOxford, MSFLOODING IN OAKS SUBDIVISION JUST NORTH OF OXFORD.

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 00:00Z, 11.8 hours before the alert went out and 78 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 00:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 705 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 00:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
705 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

699 
WGUS54 KMEG 081150
FFWMEG
MSC009-013-071-093-107-135-137-145-161-081500-
/O.NEW.KMEG.FF.W.0044.210608T1150Z-210608T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Southwestern Benton County in northeastern Mississippi...
  Northwestern Calhoun County in northeastern Mississippi...
  Western Union County in northeastern Mississippi...
  Lafayette County in northwestern Mississippi...
  Southern Marshall County in northwestern Mississippi...
  Eastern Panola County in northwestern Mississippi...
  Northeastern Tallahatchie County in northwestern Mississippi...
  Southeastern Tate County in northwestern Mississippi...
  Yalobusha County in northwestern Mississippi...

* Until 1000 AM CDT.

* At 650 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. The expected rainfall rate is 1 
  to 3 inches in 1 hour. 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...
  Oxford, Holly Springs, Batesville, Water Valley, Holly Springs 
  National Forest, John W Kyle State Park, Wall Doxey State Park, 
  George Payne State Park, Sardis, Coffeeville, Burgess, Springdale, 
  Harmontown, Paris, Laws Hill, Cambridge, Denmark, Tula, Velma and 
  Bethlehem.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3382 8996 3417 8995 3431 8991 3448 8990
      3477 8963 3478 8915 3443 8914 3438 8918
      3438 8925 3431 8925 3396 8957 3387 8975
      3387 8977 3390 8977 3390 8993 3382 8993

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

$$

PWB

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, 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, 1:45 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.