Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 31, NWS Jackson, MS

June 8, 2021Bolivar County, Sunflower County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 8, 2021, 11:53 AM CDT for Bolivar County, Sunflower County, Mississippi. It was in force for 3 hr. 5 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, 11:53 AM CDT (16:53 UTC)
Expired
Jun 8, 2021, 2:45 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Emergency
Flash flood emergency
Damage threat
Catastrophic
Flood severity
None

Counties Bolivar County, MS, Sunflower County, MS

The radar

The Little Rock radar (KLZK), 164 km from the middle of the area, began a volume at 16:54 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, 12:15 PM CDTFLASH FLOODRosedale, MSNEIGHBORHOOD FLOODED WITH OTHER SIGNIFICANT STREET FLOODING ACROSS TOWN.
Jun 8, 12:15 PM CDTFLASH FLOODShelby, MSAPPROXIMATELY 200 HOMES HAD WATER IN THEM AND NUMEROUS WATER ROADWAYS WERE COVERED WITH WATER ESPECIALLY WITHIN THE CITIES OF SHELBY, ROSEDALE AND MOUND BAYOU. IN ADDITION, NUMEROUS COUNTY ROADS WERE COVERED WITH WATER ACROSS THE COUNTY.
Jun 8, 12:30 PM CDTFLASH FLOODMound Bayou, MSHOMES FLOODED AND EVACUATIONS UNDERWAY.
Jun 8, 1:00 PM CDTFLASH FLOOD1 Ssw Rome, MSHIGHWAY 49 IS CLOSED BETWEEN ROME AND PARCHMAN DUE TO FLASH FLOODING...AT LEAST ONE VEHICLE STALLED IN FLOOD WATERS.
Jun 8, 1:46 PM CDTHEAVY RAIN 11.962 Sw Shelby, MS11.96 MEASURED AT SHELBY, NEARLY ALL OF THIS WAS BETWEEN 5AM AND NOON.

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, 4.9 hours before the alert went out and 143 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.

620 
WGUS54 KJAN 081653
FFWJAN
MSC011-133-081945-
/O.NEW.KJAN.FF.W.0031.210608T1653Z-210608T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
1153 AM CDT Tue Jun 8 2021

...FLASH FLOOD EMERGENCY FOR ROSEDALE TO SHELBY...

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Bolivar County in northwestern Mississippi...
  Northern Sunflower County in northwestern Mississippi...

* Until 245 PM CDT.

* At 1148 AM CDT, emergency management reported flash flooding in 
  northern Sunflower and Bolivar counties from Rosedale to Shelby. 
  Numerous roads were flooded and some structures were taking on 
  water. Between 7 and 10 inches of rain have fallen. Flash flooding 
  will continue to occur.

  This is a FLASH FLOOD EMERGENCY for Rosedale to Shelby. This is a 
  PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

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

  SOURCE...Emergency management.

  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...
  Cleveland, Ruleville, Shelby, Drew, Rosedale, Parchman, Scott, 
  Mound Bayou, Renova, Boyle, Benoit, Gunnison, Deeson, Rome, 
  Merigold, Duncan, Beulah, Pace, Alligator and Winstonville.

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 3358 9118 3358 9116 3358 9115 3361 9113
      3370 9120 3365 9109 3367 9103 3375 9114
      3378 9099 3384 9107 3393 9101 3397 9109
      3396 9097 3403 9089 3409 9087 3411 9096
      3411 9066 3399 9066 3399 9045 3361 9045

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR 

$$

GRG
1 follow-up statement
180 
WGUS74 KJAN 081840
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
140 PM CDT Tue Jun 8 2021

MSC011-133-081945-
/O.CON.KJAN.FF.W.0031.000000T0000Z-210608T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bolivar MS-Sunflower MS-
140 PM CDT Tue Jun 8 2021

...FLASH FLOOD EMERGENCY FOR ROSEDALE TO SHELBY...

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM CDT THIS 
AFTERNOON FOR BOLIVAR AND NORTHERN SUNFLOWER COUNTIES...

At 135 PM CDT, emergency management continued to report flash 
flooding from Rosedale to Shelby. Between 7 and 10 inches of rain 
have fallen. Flash flooding will continue.

This is a FLASH FLOOD EMERGENCY for Rosedale to Shelby. This is a 
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

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

SOURCE...Emergency management.

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...
  Cleveland, Ruleville, Shelby, Drew, Rosedale, Parchman, Scott, 
  Mound Bayou, Renova, Boyle, Benoit, Gunnison, Deeson, Rome, 
  Merigold, Duncan, Beulah, Pace, Alligator and Winstonville.

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 3358 9118 3358 9116 3358 9115 3361 9113
      3370 9120 3365 9109 3367 9103 3375 9114
      3378 9099 3384 9107 3393 9101 3397 9109
      3396 9097 3403 9089 3409 9087 3411 9096
      3411 9066 3399 9066 3399 9045 3361 9045

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

$$

GRG

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 7:22 PM CDTSpecial Weather StatementJANHumphreys, Leflore, Sunflower38 min
Jun 8, 4:21 AM CDTFlash Flood WatchJANBolivar, Carroll, Grenada, Holmes, Humphreys, Leflore and 3 more17 hr
Jun 8, 7:28 AM CDTFlash Flood WarningJANBolivar, Sunflower5 hr
Jun 8, 8:12 AM CDTRiver Flood WarningJANNeshoba7 days
Jun 8, 9:27 AM CDTRiver Flood WarningJANMadison, Yazoo14 days
Jun 8, 9:27 AM CDTRiver Flood WarningJANAttala, Holmes10 days
Jun 8, 9:41 AM CDTFlash Flood Warning Considerable damage threatJANBolivar, Sunflower2 hr
Jun 8, 2:38 PM CDTFlash Flood Warning Considerable damage threatJANBolivar, Sunflower3 hr
Jun 8, 3:06 PM CDTSpecial Weather StatementJANBolivar39 min
Jun 8, 3:12 PM CDTSevere Thunderstorm WarningJANBolivar63 min
Jun 8, 3:27 PM CDTSpecial Weather StatementJANMadison33 min
Jun 8, 3:31 PM CDTRiver Flood WarningJANCarroll, Leflore15 days
Jun 8, 3:31 PM CDTRiver Flood WarningJANSunflower18 days
Jun 8, 3:56 PM CDTSpecial Weather StatementJANSunflower49 min
Jun 8, 3:58 PM CDTSpecial Weather StatementJANLowndes32 min
Jun 8, 4:08 PM CDTSevere Thunderstorm WarningJANHinds, Issaquena, Sharkey, Warren, Yazoo52 min
Jun 8, 4:11 PM CDTSpecial Weather StatementJANKemper, Noxubee49 min
Jun 8, 4:39 PM CDTFlash Flood WarningJANBolivar, Washington2 hr
Jun 8, 4:54 PM CDTSpecial Weather StatementJANYazoo36 min
Jun 8, 5:05 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Warren, Yazoo40 min
Jun 8, 5:14 PM CDTSpecial Weather StatementJANLowndes31 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.