Alert archive / Mississippi / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Jackson, MS

February 27, 2021East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana; 13 counties in Mississippi; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood watch at Feb 27, 2021, 4:04 AM CST for East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana; 13 counties in Mississippi; Ashley County, Chicot County, Arkansas. It took effect at Feb 28, 2021, 12:00 PM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2021, 4:04 AM CST (10:04 UTC)
In effect from
Feb 28, 2021, 12:00 PM CST
Expired
Mar 1, 2021, 12:00 PM CST
In force
24 hr
Issued by
NWS Jackson, MS
Flood severity
None

Counties Ashley County, AR, Chicot County, AR, East Carroll Parish, LA, Morehouse Parish, LA, West Carroll Parish, LA, Bolivar County, MS, Carroll County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Montgomery County, MS, Sharkey County, MS, Sunflower County, MS, Washington County, MS, Webster County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 123 km from the middle of the area, began a volume at 10:09 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.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.1 hours before the alert went out and 115 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 2021-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Jackson, MS at 00:00Z on 2021-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1838 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

366 
WGUS64 KJAN 271004
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Jackson MS
404 AM CST Sat Feb 27 2021

ARZ074-075-MSZ018-019-025>030-034-271815-
/O.CAN.KJAN.FF.A.0001.000000T0000Z-210227T1800Z/
/O.NEW.KJAN.FF.A.0002.210228T1800Z-210301T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Washington-
Including the cities of Eupora, Mathiston, West Crossett, North 
Crossett, West Point, North Carrollton, Lake Village, Dermott, 
Cleveland, Greenville, Grenada, Winona, Vaiden, Carrollton, 
Crossett, Hamburg, Eudora, Greenwood, Indianola, and Ruleville
404 AM CST Sat Feb 27 2021

...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY 
NIGHT...
...FLASH FLOOD WATCH FOR THIS MORNING HAS BEEN CANCELLED...

The National Weather Service in Jackson has issued a

* Flash Flood Watch for portions of southeast Arkansas and 
  Mississippi, including the following areas, in southeast Arkansas, 
  Ashley and Chicot. In Mississippi, Bolivar, Carroll, Clay, 
  Grenada, Leflore, Montgomery, Sunflower, Washington and Webster.

* From Sunday afternoon through late Sunday night

* The threat for heavy rainfall has ended for now, but it is 
  expected to redevelop Sunday afternoon and continue through Sunday 
  night. Soils are nearly saturated in this area, and additional 
  heavy rain could run off quickly resulting in flash flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible. Some homes and other building structures could be 
  threatened.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

&&

The flash flood watch that was in effect for today has been 
cancelled.

The flash flood threat has ended for now, but will increase again 
late Sunday into Sunday night.

$$

MSZ031>033-035-271115-
/O.CAN.KJAN.FF.A.0001.000000T0000Z-210227T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lowndes-Choctaw-Oktibbeha-Humphreys-
Including the cities of Columbus, Ackerman, Weir, Starkville, 
Belzoni, and Isola
404 AM CST Sat Feb 27 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for Choctaw, Humphreys, Lowndes, and Oktibbeha 
has been cancelled.

Flooding is no longer expected to pose a threat. Please continue to 
heed any road closures.

$$

EC
6 follow-up statements
110 
WGUS64 KJAN 271712
FFAJAN

Flood Watch
National Weather Service Jackson MS
1112 AM CST Sat Feb 27 2021

ARZ074-075-MSZ018-019-025>030-034-280115-
/O.CON.KJAN.FF.A.0002.210228T1800Z-210301T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Washington-
Including the cities of Eupora, Mathiston, West Crossett, North 
Crossett, West Point, North Carrollton, Lake Village, Dermott, 
Cleveland, Greenville, Grenada, Winona, Vaiden, Carrollton, 
Crossett, Hamburg, Eudora, Greenwood, Indianola, and Ruleville
1112 AM CST Sat Feb 27 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH 
LATE SUNDAY NIGHT...

The Flash Flood Watch continues for

* Portions of southeast Arkansas and Mississippi, including the 
  following areas, in southeast Arkansas, Ashley and Chicot. In 
  Mississippi, Bolivar, Carroll, Clay, Grenada, Leflore, Montgomery, 
  Sunflower, Washington and Webster.

* From Sunday afternoon through late Sunday night

* The threat for heavy rainfall is expected to develop Sunday 
  afternoon and continue through Sunday night. Soils are nearly 
  saturated in this area, and additional heavy rain could run off 
  quickly resulting in flash flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible. Some homes and other building structures could be 
  threatened.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

&&

$$

AW
497 
WGUS64 KJAN 272101
FFAJAN

Flood Watch
National Weather Service Jackson MS
301 PM CST Sat Feb 27 2021

ARZ074-075-MSZ018-019-025>030-034-280515-
/O.CON.KJAN.FF.A.0002.210228T1800Z-210301T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Washington-
Including the cities of Eupora, Mathiston, West Crossett, North 
Crossett, West Point, North Carrollton, Lake Village, Dermott, 
Cleveland, Greenville, Grenada, Winona, Vaiden, Carrollton, 
Crossett, Hamburg, Eudora, Greenwood, Indianola, and Ruleville
301 PM CST Sat Feb 27 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH 
LATE SUNDAY NIGHT...

The Flash Flood Watch continues for

* Portions of southeast Arkansas and Mississippi, including the 
  following areas, in southeast Arkansas, Ashley and Chicot. In 
  Mississippi, Bolivar, Carroll, Clay, Grenada, Leflore, Montgomery, 
  Sunflower, Washington and Webster.

* From Sunday afternoon through late Sunday night

* The threat for heavy rainfall is expected to develop Sunday 
  afternoon and continue through Sunday night. Soils are nearly 
  saturated in this area, and additional heavy rain could run off 
  quickly resulting in flash flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible. Some homes and other building structures could be 
  threatened.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

&&

$$

AW
015 
WGUS64 KJAN 280301 AAA
FFAJAN

Flood Watch...UPDATED
National Weather Service Jackson MS
901 PM CST Sat Feb 27 2021


ARZ074-075-MSZ018-019-025>030-034-281115-
/O.CON.KJAN.FF.A.0002.210228T1800Z-210301T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-
Montgomery-Webster-Clay-Washington-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Cleveland, 
Indianola, Ruleville, Greenwood, Grenada, Vaiden, 
North Carrollton, Carrollton, Winona, Eupora, Mathiston, 
West Point, and Greenville
901 PM CST Sat Feb 27 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH LATE SUNDAY NIGHT...

The Flash Flood Watch continues for

* Portions of southeast Arkansas and Mississippi, including the 
  following areas in southeast Arkansas, Ashley and Chicot. In 
  Mississippi, Bolivar, Carroll, Clay, Grenada, Leflore, 
  Montgomery, Sunflower, Washington and Webster. 

* From Sunday afternoon through late Sunday night

* The threat for heavy rainfall is expected to develop Sunday 
  afternoon and continue through Sunday night. Soils are nearly 
  saturated in this area, and additional heavy rain could run 
  off quickly resulting in flash flooding. 

* Flooding of low lying areas may occur and road closures will 
  be possible. Some homes and other building structures could be 
  threatened. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

&&

$$
115 
WGUS64 KJAN 280924
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Jackson MS
324 AM CST Sun Feb 28 2021

LAZ007>009-MSZ035-036-040-041-281730-
/O.EXB.KJAN.FF.A.0002.210228T1800Z-210301T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morehouse-West Carroll-East Carroll-Humphreys-Holmes-Issaquena-
Sharkey-
Including the cities of Durant, Anguilla, Lexington, Epps, Tchula, 
Goodman, Belzoni, Rolling Fork, Lake Providence, Mayersville, 
Bastrop, Oak Grove, Pickens, and Isola
324 AM CST Sun Feb 28 2021

...FLASH FLOOD WATCH IN EFFECT FROM NOON CST TODAY THROUGH MONDAY 
MORNING...

The National Weather Service in Jackson has expanded the

* Flash Flood Watch to include portions of northeast Louisiana and 
  Mississippi, including the following areas, in northeast 
  Louisiana, East Carroll, Morehouse and West Carroll. In 
  Mississippi, Holmes, Humphreys, Issaquena and Sharkey.

* From Noon CST today through Monday morning

* The threat for heavy rainfall is expected to develop Sunday night 
  and continue through Monday morning. Soils are nearly saturated in 
  this area, and additional heavy rain could run off quickly 
  resulting in flash flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible. Some homes and other building structures could be 
  threatened.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

A Flash Flood Watch means that conditions may develop that lead to 
flash flooding. Flash flooding is a very dangerous situation.You 
should monitor later forecasts and be prepared to take action should 
flash flood warnings be issued.

&&

$$

ARZ074-075-MSZ018-019-025>030-034-281730-
/O.EXT.KJAN.FF.A.0002.210228T1800Z-210301T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Washington-
Including the cities of Eupora, Mathiston, West Crossett, North 
Crossett, West Point, North Carrollton, Lake Village, Dermott, 
Cleveland, Greenville, Grenada, Winona, Vaiden, Carrollton, 
Crossett, Hamburg, Eudora, Greenwood, Indianola, and Ruleville
324 AM CST Sun Feb 28 2021

...FLASH FLOOD WATCH NOW IN EFFECT FROM NOON CST TODAY THROUGH 
MONDAY MORNING...

The Flash Flood Watch is now in effect for

* Portions of southeast Arkansas and Mississippi, including the 
  following areas, in southeast Arkansas, Ashley and Chicot. In 
  Mississippi, Bolivar, Carroll, Clay, Grenada, Leflore, Montgomery, 
  Sunflower, Washington and Webster.

* From Noon CST today through Monday morning

* The threat for heavy rainfall is expected to develop Sunday 
  evening and continue through Monday morning. Soils are nearly 
  saturated in this area, and additional heavy rain could run off 
  quickly resulting in flash flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible. Some homes and other building structures could be 
  threatened.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

A Flash Flood Watch means that conditions may develop that lead to 
flash flooding. Flash flooding is a very dangerous situation.You 
should monitor later forecasts and be prepared to take action should 
flash flood warnings be issued.

&&

$$

DL
368 
WGUS64 KJAN 282032
FFAJAN

Flood Watch
National Weather Service Jackson MS
232 PM CST Sun Feb 28 2021

ARZ074-075-LAZ007>009-MSZ018-019-025>030-034>036-040-041-010445-
/O.CON.KJAN.FF.A.0002.000000T0000Z-210301T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-
Washington-Humphreys-Holmes-Issaquena-Sharkey-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Cleveland, Indianola, Ruleville, 
Greenwood, Grenada, Vaiden, North Carrollton, Carrollton, Winona,
Eupora, Mathiston, West Point, Greenville, Belzoni, Isola, 
Durant, Tchula, Lexington, Pickens, Goodman, Mayersville, 
Rolling Fork, and Anguilla
232 PM CST Sun Feb 28 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* Portions of southeast Arkansas, northeast Louisiana and 
  Mississippi, including the following areas in southeast 
  Arkansas, Ashley and Chicot. In northeast Louisiana, East 
  Carroll, Morehouse and West Carroll. In Mississippi, Bolivar, 
  Carroll, Clay, Grenada, Holmes, Humphreys, Issaquena, Leflore, 
  Montgomery, Sharkey, Sunflower, Washington and Webster. 

* Through Monday morning

* The threat for heavy rainfall is expected to develop tonight 
  and continue through Monday morning. Soils are nearly saturated 
  in this area, and additional heavy rain could run off quickly 
  resulting in flash flooding. 

* Flooding of low lying areas may occur and road closures will 
  be possible. Some homes and other building structures could be 
  threatened. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous
situation.You should monitor later forecasts and be prepared to
take action should flash flood warnings be issued.

&&

$$
694 
WGUS64 KJAN 010951
FFAJAN

Flood Watch
National Weather Service Jackson MS
351 AM CST Mon Mar 1 2021

ARZ074-075-LAZ007>009-MSZ018-019-025>030-034>036-040-041-011800-
/O.CON.KJAN.FF.A.0002.000000T0000Z-210301T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Bolivar-Sunflower-
Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Washington-Humphreys-
Holmes-Issaquena-Sharkey-
Including the cities of Durant, West Crossett, Eudora, Lake Village, 
Dermott, Greenville, Tchula, Goodman, Mayersville, North Carrollton, 
Pickens, Anguilla, Eupora, Winona, Carrollton, Hamburg, Greenwood, 
North Crossett, Rolling Fork, Cleveland, Lexington, Epps, Belzoni, 
Grenada, Oak Grove, Isola, West Point, Mathiston, Vaiden, Crossett, 
Lake Providence, Bastrop, Indianola, and Ruleville
351 AM CST Mon Mar 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON CST TODAY...

The Flash Flood Watch continues for

* Portions of southeast Arkansas...northeast Louisiana and 
  Mississippi, including the following areas, in southeast Arkansas, 
  Ashley and Chicot. In northeast Louisiana, East Carroll, Morehouse 
  and West Carroll. In Mississippi, Bolivar, Carroll, Clay, Grenada, 
  Holmes, Humphreys, Issaquena, Leflore, Montgomery, Sharkey, 
  Sunflower, Washington and Webster.

* Until Noon CST today

* The threat for heavy rainfall will continue over the watch area 
  through this morning. Soils are nearly saturated in this area, and 
  additional heavy rain could run off quickly resulting in flash 
  flooding.

* Flooding of low lying areas may occur and road closures will be 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

A Flash Flood Watch means that conditions may develop that lead to 
flash flooding. Flash flooding is a very dangerous situation.You 
should monitor later forecasts and be prepared to take action should 
flash flood warnings be issued.

&&

$$

EC

Nearby

Flash Flood Watches in Mississippi, 2021Flash Flood Watches in Louisiana, 2021Flash Flood Watches in Arkansas, 2021Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.