Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 30, NWS Jackson, MS

June 8, 2021Bolivar County, Sunflower County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 8, 2021, 9:41 AM CDT for Bolivar County, Sunflower County, Mississippi. It was in force for 2 hr. 3 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, 9:41 AM CDT (14:41 UTC)
Expired
Jun 8, 2021, 12:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Damage threat
Considerable
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 14:44 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, 10:10 AM CDTFLASH FLOOD2 Nnw Parchman, MSMANY ROADS FLOODED ACROSS THE N PORTION OF THE COUNTY.
Jun 8, 10:26 AM CDTHEAVY RAIN 9.12 Sw Shelby, MS9.10 MEASURED, NEARLY ALL SINCE 5AM. STILL RAINING HEAVILY IN THE SHELBY AREA.
Jun 8, 11:30 AM CDTFLASH FLOODRome, MSA FEW HOMES FLOODED AND TAKING IN WATER IN ROME.

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, 2.7 hours before the alert went out and 145 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.

987 
WGUS54 KJAN 081441
FFWJAN
MSC011-133-081700-
/O.NEW.KJAN.FF.W.0030.210608T1441Z-210608T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Jackson has issued a

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

* Until noon CDT.

* At 941 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 4 and 7 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

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

  SOURCE...Doppler radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Cleveland, Shelby, Rosedale, Parchman, Mound Bayou, Gunnison, 
  Rome, Merigold, Beulah, Pace and Winstonville.

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you 
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3378 9113 3377 9111 3378 9105 3376 9102
      3378 9099 3379 9099 3382 9105 3386 9107
      3393 9101 3394 9102 3403 9066 3399 9066
      3399 9045 3388 9045 3369 9103 3372 9107
      3371 9113 3372 9115

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

DC
1 follow-up statement
283 
WGUS74 KJAN 081557
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
1057 AM CDT Tue Jun 8 2021

MSC011-133-081700-
/O.CON.KJAN.FF.W.0030.000000T0000Z-210608T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bolivar MS-Sunflower MS-
1057 AM CDT Tue Jun 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT TODAY FOR 
CENTRAL BOLIVAR AND NORTHEASTERN SUNFLOWER COUNTIES...

At 1054 AM CDT, emergency management reported flash flooding from 
thunderstorms producing heavy rain in Rosedale to Shelby. Between 6 
and 9 inches of rain have fallen. Flash flooding is ongoing or 
expected to begin shortly.

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

SOURCE...Emergency management.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Cleveland, Shelby, Rosedale, Parchman, Mound Bayou, Gunnison, 
  Rome, Merigold, Beulah, Pace and Winstonville.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you 
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3378 9113 3377 9111 3378 9105 3376 9102
      3378 9099 3379 9099 3382 9105 3386 9107
      3393 9101 3394 9102 3403 9066 3399 9066
      3399 9045 3388 9045 3369 9103 3372 9107
      3371 9113 3372 9115

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

DC

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, 11:53 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatJANBolivar, Sunflower3 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.