Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 42, NWS Jackson, MS

June 10, 2021Carroll County, Montgomery County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 10, 2021, 4:38 AM CDT for Carroll County, Montgomery County, Mississippi. It was in force for 7 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, 4:38 AM CDT (09:38 UTC)
Expired
Jun 10, 2021, 11:30 AM CDT
In force
7 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Carroll County, MS, Montgomery County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 129 km from the middle of the area, began a volume at 09:39 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, 6:00 AM CDTFLASH FLOOD1 Sw Winona, MSSEVERAL STREETS ACROSS WINONA UNDERWATER AND FLOODED.
Jun 10, 6:00 AM CDTFLASH FLOOD5 Sse Winona, MSPORTION OF SCOTLAND SHORTCUT ROAD WASHED OUT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.6 hours before the alert went out and 128 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, Jackson, MS at 00:00Z on 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1036 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, Jackson, MS at 00:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
1036 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

134 
WGUS54 KJAN 100938
FFWJAN
MSC015-097-101230-
/O.NEW.KJAN.FF.W.0042.210610T0938Z-210610T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
438 AM CDT Thu Jun 10 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Southeastern Carroll County in north central Mississippi...
  Southern Montgomery County in north central Mississippi...

* Until 730 AM CDT.

* At 438 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Winona, Vaiden, Kilmichael and Poplar Creek.

Additional rainfall amounts of 1 to 2 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.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3352 8978 3351 8951 3346 8951 3346 8938
      3343 8942 3343 8945 3329 8945 3329 8970
      3321 8975 3325 8987 3342 8978

FLASH FLOOD...RADAR INDICATED

$$

CME
3 follow-up statements
272 
WGUS74 KJAN 101153
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
653 AM CDT Thu Jun 10 2021

MSC015-097-101230-
/O.CON.KJAN.FF.W.0042.000000T0000Z-210610T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll MS-Montgomery MS-
653 AM CDT Thu Jun 10 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT THIS 
MORNING FOR SOUTHEASTERN CARROLL AND SOUTHERN MONTGOMERY COUNTIES...

At 652 AM CDT, local law enforcement reported flash flooding across 
the warned area. Between 3 and 6 inches of rain have fallen. Flash 
flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Law enforcement.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Winona, Vaiden, Kilmichael and Poplar Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3352 8978 3351 8951 3346 8951 3346 8938
      3343 8942 3343 8945 3329 8945 3329 8970
      3321 8975 3325 8987 3342 8978

FLASH FLOOD...OBSERVED

$$

CME
243 
WGUS54 KJAN 101217
FFWJAN
MSC015-097-101430-
/O.EXT.KJAN.FF.W.0042.000000T0000Z-210610T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
717 AM CDT Thu Jun 10 2021

The National Weather Service in Jackson has extended the

* Flash Flood Warning for...
  Southeastern Carroll County in north central Mississippi...
  Southern Montgomery County in north central Mississippi...

* Until 930 AM CDT.

* At 715 AM CDT, local law enforcement reported ongoing flooding 
  across the warned area. Between 3 and 6 inches of rain have 
  fallen. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Law enforcement.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Winona, Vaiden, Kilmichael and Poplar Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3352 8978 3351 8951 3346 8951 3346 8938
      3343 8942 3343 8945 3329 8945 3329 8970
      3321 8975 3325 8987 3342 8978

FLASH FLOOD...OBSERVED

$$

CME
011 
WGUS54 KJAN 101404
FFWJAN
MSC015-097-101630-
/O.EXT.KJAN.FF.W.0042.000000T0000Z-210610T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
904 AM CDT Thu Jun 10 2021

The National Weather Service in Jackson has extended the

* Flash Flood Warning for...
  Southeastern Carroll County in north central Mississippi...
  Southern Montgomery County in north central Mississippi...

* Until 1130 AM CDT.

* At 903 AM CDT, local law enforcement reported flash flooding 
  across the warned area. Between 5 and 8 inches of rain have 
  fallen. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Law enforcement.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Winona, Vaiden, Kilmichael and Poplar Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3352 8978 3351 8951 3346 8951 3346 8938
      3343 8942 3343 8945 3329 8945 3329 8970
      3321 8975 3325 8987 3342 8978

FLASH FLOOD...OBSERVED

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:12 PM CDTSevere Thunderstorm WarningJANHinds48 min
Jun 9, 7:36 PM CDTFlash Flood WarningJANJasper, Smith3 hr
Jun 9, 7:47 PM CDTSpecial Weather StatementJANCovington43 min
Jun 9, 8:00 PM CDTSpecial Weather StatementJANSimpson45 min
Jun 9, 8:31 PM CDTSpecial Weather StatementJANCopiah, Covington, Simpson29 min
Jun 9, 8:42 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Simpson63 min
Jun 9, 9:01 PM CDTRiver Flood WarningJANLeake7 days
Jun 9, 9:01 PM CDTRiver Flood WarningJANLeake8 days
Jun 9, 9:01 PM CDTRiver Flood WarningJANLeake36 hr
Jun 9, 9:01 PM CDTRiver Flood WarningJANLeake7 days
Jun 9, 10:46 PM CDTRiver Flood WarningJANNoxubee8 days
Jun 9, 11:30 PM CDTSpecial Weather StatementJANMontgomery45 min
Jun 9, 11:52 PM CDTSpecial Weather StatementJANCarroll53 min
Jun 10, 2:37 AM CDTFlash Flood WarningJANCarroll, Grenada, Leflore3 hr
Jun 10, 5:06 AM CDTFlash Flood WarningJANChoctaw, Noxubee, Oktibbeha, Winston3 hr
Jun 10, 5:28 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatJANCarroll, Grenada, Leflore5 hr
Jun 10, 6:05 AM CDTFlash Flood WarningJANAttala, Holmes4 hr
Jun 10, 6:31 AM CDTSevere Thunderstorm WarningJANAttala, Leake38 min
Jun 10, 8:05 AM CDTFlash Flood WarningJANHolmes, Humphreys, Madison, Yazoo4 hr
Jun 10, 8:10 AM CDTFlash Flood WarningJANLeake, Neshoba, Winston4 hr
Jun 10, 8:38 AM CDTFlash Flood WarningJANLeflore, Sunflower3 hr
Jun 10, 8:53 AM CDTFlash Flood WarningJANIssaquena, Sharkey4 hr
Jun 10, 9:35 AM CDTFlash Flood WarningJANHumphreys, Washington6 hr
Jun 10, 9:46 AM CDTAreal Flood WarningJANChoctaw, Noxubee, Oktibbeha, Winston6 hr
Jun 10, 10:16 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatJANCarroll, Grenada, Leflore4 hr
Jun 10, 10:22 AM CDTFlash Flood Warning Considerable damage threatJANAttala, Holmes4 hr
Jun 10, 10:25 AM CDTRiver Flood WarningJANAttala3 days
Jun 10, 10:26 AM CDTRiver Flood WarningJANHinds, Rankin7 days
Jun 10, 10:33 AM CDTFlash Flood WarningJANBolivar3 hr
Jun 10, 10:36 AM CDTRiver Flood WarningJANHinds, Warren15 days
Jun 10, 10:51 AM CDTRiver Flood WarningJANLeflore7 days
Jun 10, 10:51 AM CDTRiver Flood WarningJANHumphreys4 days
Jun 10, 11:03 AM CDTRiver Flood WarningJANLowndes3 days
Jun 10, 12:19 PM CDTAreal Flood WarningJANHumphreys, Leake, Leflore, Madison, Sunflower, Yazoo6 hr
Jun 10, 12:31 PM CDTFlash Flood Warning Considerable damage threatJANIssaquena, Sharkey3 hr
Jun 10, 2:13 PM CDTAreal Flood WarningJANAttala, Carroll, Grenada, Holmes, Humphreys, Leflore6 hr
Jun 10, 3:06 PM CDTSpecial Weather StatementJANForrest39 min
Jun 10, 3:33 PM CDTSpecial Weather StatementJANLamar57 min
Jun 10, 3:51 PM CDTAreal Flood WarningJANIssaquena, Sharkey6 hr
Jun 10, 5:04 PM CDTFlash Flood Warning Considerable damage threatJANCarroll20 hr
Jun 10, 6:10 PM CDTAreal Flood WarningJANBolivar, Leflore, Sunflower2 hr
Jun 10, 6:33 PM CDTRiver Flood WarningJANSharkey38 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.