Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 65, NWS Memphis, TN

June 10, 20214 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 10, 2021, 8:47 AM CDT for 4 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 10, 2021, 8:47 AM CDT (13:47 UTC)
Expired
Jun 10, 2021, 11:45 AM CDT
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Emergency
Flash flood emergency
Damage threat
Catastrophic
Flood severity
None

Counties Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Yalobusha County, MS

The radar

The Memphis radar (KNQA), 165 km from the middle of the area, began a volume at 13:46 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 10, 9:30 AM CDTHEAVY RAIN 15.354 Sw Charleston, MS48 HOUR RAINFALL TOTAL
Jun 10, 9:49 AM CDTFLASH FLOODTutwiler, MSFIRST RESPONDERS ARE USING BOATS TO HELP EVACUATE HOMES IN TUTWILER. SIMILAR EFFORTS ARE TAKING PLACE ACROSS MUCH OF TALLAHATCHIE COUNTY WITH NUMEROUS ROADS UNDERWATER AND IMPASSIBLE. CHARLESTON HAS BEEN OUT OF POWER SINCE APPROXIMATELY 2 PM WEDNESDAY.

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, 1.8 hours before the alert went out and 108 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 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1521 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 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1521 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

409 
WGUS54 KMEG 101347
FFWMEG
MSC107-119-135-161-101645-
/O.NEW.KMEG.FF.W.0065.210610T1347Z-210610T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
847 AM CDT Thu Jun 10 2021

...FLASH FLOOD EMERGENCY FOR TALLAHATCHIE, SOUTHERN QUITMAN, 
SOUTHWEST PANOLA, AND WESTERN YALOBUSHA COUNTIES...

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Southwestern Panola County in northwestern Mississippi...
  Southern Quitman County in northwestern Mississippi...
  Tallahatchie County in northwestern Mississippi...
  Western Yalobusha County in northwestern Mississippi...

* Until 1145 AM CDT.

* At 847 AM CDT, emergency management reported widespread, 
  significant flash flooding across the warned area. Numerous roads 
  are impassable and some homes have been evacuated due to flood 
  waters. Between 6 and 10 inches of rain have fallen since 
  midnight. The expected rainfall rate is 2 to 4 inches in 1 hour. 
  Additional rainfall amounts of 2 to 4 inches are possible in the 
  warned area. Flash flooding is already occurring.

  This is a FLASH FLOOD EMERGENCY for Tallahatchie, southern 
  Quitman, southwest Panola, and western Yalobusha Counties. This is 
  a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Emergency management reported.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Charleston, George Payne State Park, Tutwiler, Marks, Lambert, 
  Crowder, Webb, Sumner, Pope, Paynes, Vance, Enid, Scobey, Oakland, 
  Courtland, Glendora, Waverly, Effie, Tippo and Brazil.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

&&

LAT...LON 3420 9045 3424 9040 3430 9001 3416 8986
      3390 8979 3390 8993 3382 8993 3381 9014
      3372 9014 3372 9022 3374 9024 3373 9025
      3370 9027 3370 9030 3373 9031 3375 9030
      3376 9019 3379 9017 3381 9018 3381 9045

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...2-4 INCHES IN 1 HOUR

$$

MJ
1 follow-up statement
010 
WGUS74 KMEG 101508
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
1008 AM CDT Thu Jun 10 2021

MSC107-119-135-161-101645-
/O.CON.KMEG.FF.W.0065.000000T0000Z-210610T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Panola MS-Quitman MS-Tallahatchie MS-Yalobusha MS-
1008 AM CDT Thu Jun 10 2021

...FLASH FLOOD EMERGENCY FOR TALLAHATCHIE COUNTY...

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT THIS 
MORNING FOR SOUTHWESTERN PANOLA, SOUTHERN QUITMAN, TALLAHATCHIE AND 
WESTERN YALOBUSHA COUNTIES...

At 1008 AM CDT, emergency management reported widespread, 
significant flooding across Tallahatchie County. Thunderstorms are 
redeveloping across the area and will dump additional heavy rainfall 
over already flooded areas. Between 6 and 10 inches of rain have 
fallen since midnight. The expected rainfall rate within 
thunderstorms is 1 to 2 inches in 1 hour. Additional rainfall 
amounts of 1 to 2 inches are possible across the warned area. Flash 
flooding is already occurring and travel is discouraged across the 
entire county.

This is a FLASH FLOOD EMERGENCY for Tallahatchie County. This is a 
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Emergency management reported.

IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
         GROUND NOW! Life threatening flash flooding of low water
         crossings, small creeks and streams, urban areas,
         highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Charleston, George Payne State Park, Tutwiler, Marks, Lambert, 
  Crowder, Webb, Sumner, Pope, Paynes, Vance, Enid, Scobey, Oakland, 
  Courtland, Glendora, Waverly, Effie, Tippo and Brazil.

Numerous homes are being evacuated, some via boat, across the county.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

&&

LAT...LON 3420 9045 3424 9040 3430 9001 3416 8986
      3390 8979 3390 8993 3382 8993 3381 9014
      3372 9014 3372 9022 3374 9024 3373 9025
      3370 9027 3370 9030 3373 9031 3375 9030
      3376 9019 3379 9017 3381 9018 3381 9045

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
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 10, 1:15 AM CDTAreal Flood AdvisoryMEGCoahoma, Panola, Quitman, Tallahatchie, Yalobusha55 min
Jun 10, 1:36 AM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Lafayette, Yalobusha3 hr
Jun 10, 2:10 AM CDTFlash Flood Warning EmergencyMEGCoahoma, Panola, Quitman, Tallahatchie, Yalobusha7 hr
Jun 10, 2:57 AM CDTAreal Flood AdvisoryMEGCoahoma, DeSoto, Lafayette, Panola, Quitman, Tate and 1 more29 min
Jun 10, 3:26 AM CDTFlash Flood WarningMEGCoahoma, Lafayette, Panola, Quitman, Tate, Tunica5 hr
Jun 10, 3:50 AM CDTAreal Flood AdvisoryMEGCalhoun, Lafayette, Marshall, Panola, Pontotoc, Tate43 min
Jun 10, 4:06 AM CDTSpecial Weather StatementMEGQuitman24 min
Jun 10, 4:33 AM CDTFlash Flood WarningMEGCalhoun, Lafayette, Panola, Pontotoc55 min
Jun 10, 4:33 AM CDTRiver Flood WarningMEGTallahatchie12 days
Jun 10, 4:36 AM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Lafayette, Yalobusha3 hr
Jun 10, 4:39 AM CDTAreal Flood AdvisoryMEGCoahoma2 hr
Jun 10, 5:24 AM CDTSpecial Weather StatementMEGTallahatchie36 min
Jun 10, 7:03 AM CDTRiver Flood WarningMEGItawamba12 hr
Jun 10, 7:21 AM CDTAreal Flood AdvisoryMEGCoahoma54 min
Jun 10, 8:24 AM CDTFlash Flood WarningMEGCoahoma, Panola, Quitman4 hr
Jun 10, 11:44 AM CDTFlash Flood Warning Considerable damage threatMEGCoahoma, Panola, Quitman, Tallahatchie, Yalobusha11 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.