Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Little Rock, AR

February 28, 20216 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Feb 28, 2021, 6:28 PM CST for 6 counties in Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 28, 2021, 6:28 PM CST (00:28 UTC)
Expired: Feb 28, 2021, 9:00 PM CST
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Arkansas County, AR, Cleveland County, AR, Jefferson County, AR, Lincoln County, AR, Monroe County, AR, Prairie County, AR

The radar

The Little Rock radar (KLZK), 91 km from the middle of the area, began a volume at 00:32 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

Little Rock, AR (KLZK), launched 00:00Z, 0.5 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 229 J/kg
Mixed-layer CIN: -269 J/kg
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: -399 m²/s²
0-3 km storm-relative helicity: -284 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.4

Open this sounding in Storm Lab

The text

As transmitted.

732 
WGUS54 KLZK 010028
FFWLZK
ARC001-025-069-079-095-117-010215-
/O.NEW.KLZK.FF.W.0006.210301T0028Z-210301T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
628 PM CST Sun Feb 28 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Southeastern Prairie County in central Arkansas...
  Monroe County in eastern Arkansas...
  Arkansas County in southeastern Arkansas...
  Northeastern Cleveland County in southeastern Arkansas...
  Southern Jefferson County in southeastern Arkansas...
  Northern Lincoln County in southeastern Arkansas...

* Until 815 PM CST.

* At 628 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 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...
  Pine Bluff, Stuttgart, Clarendon, Gillett, Holly Grove, Grady, 
  Almyra, St. Charles, Ulm, Roe, Alfrey, Allendale, De Witt, 
  Langford, Stuttgart Municipal Airport, Little Bayou Meto Park, 
  Richardson, Woodville, Peppers Landing and Madding.

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 3421 9223 3419 9198 3427 9178 3442 9155
      3471 9157 3488 9112 3486 9110 3474 9110
      3472 9105 3447 9105 3446 9100 3434 9100
      3432 9106 3428 9108 3422 9106 3419 9109
      3415 9108 3399 9223 3406 9225

FLASH FLOOD...RADAR INDICATED

$$

Shelton

2 follow-up statements

562 
WGUS54 KLZK 010201
FFWLZK
ARC001-025-069-079-095-117-010300-
/O.EXT.KLZK.FF.W.0006.000000T0000Z-210301T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
801 PM CST Sun Feb 28 2021

The National Weather Service in Little Rock has extended the

* Flash Flood Warning for...
  Southeastern Prairie County in central Arkansas...
  Monroe County in eastern Arkansas...
  Arkansas County in southeastern Arkansas...
  Northeastern Cleveland County in southeastern Arkansas...
  Southern Jefferson County in southeastern Arkansas...
  Northern Lincoln County in southeastern Arkansas...

* Until 900 PM CST.

* At 801 PM CST, 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...
  Pine Bluff, Stuttgart, Clarendon, Gillett, Holly Grove, Grady, 
  Almyra, St. Charles, Ulm, Roe, Alfrey, Allendale, De Witt, 
  Langford, Stuttgart Municipal Airport, Little Bayou Meto Park, 
  Richardson, Woodville, Peppers Landing and Madding.

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 3421 9223 3419 9198 3427 9178 3442 9155
      3471 9157 3488 9112 3486 9110 3474 9110
      3472 9105 3447 9105 3446 9100 3434 9100
      3432 9106 3428 9108 3422 9106 3419 9109
      3415 9108 3399 9223 3406 9225

FLASH FLOOD...RADAR INDICATED

$$

Cooper

865 
WGUS74 KLZK 010257
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
857 PM CST Sun Feb 28 2021

ARC001-025-069-079-095-117-010307-
/O.EXP.KLZK.FF.W.0006.000000T0000Z-210301T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Arkansas AR-Cleveland AR-Jefferson AR-Lincoln AR-Monroe AR-Prairie
AR-
857 PM CST Sun Feb 28 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 9 PM CST THIS EVENING FOR 
SOUTHEASTERN PRAIRIE, MONROE, ARKANSAS, NORTHEASTERN CLEVELAND, 
SOUTHERN JEFFERSON AND NORTHERN LINCOLN COUNTIES...

While light to occasionally moderate rain continues, heavy rain has 
ended. Flooding is no longer expected to pose a threat. Please 
continue to heed remaining road closures.

A Flood Watch remains in effect until 600 AM CST Monday for portions 
of central Arkansas...eastern Arkansas...southeast Arkansas and 
southwest Arkansas.

LAT...LON 3421 9223 3419 9198 3427 9178 3442 9155
      3471 9157 3488 9112 3486 9110 3474 9110
      3472 9105 3447 9105 3446 9100 3434 9100
      3432 9106 3428 9108 3422 9106 3419 9109
      3415 9108 3399 9223 3406 9225

$$

Cooper

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 28, 6:12 PM CST	Flash Flood Warning	LZK	Clark, Cleveland, Dallas, Grant, Pike	3 hr
Feb 28, 6:18 PM CST	Flash Flood Warning	LZK	Arkansas, Grant, Jefferson, Lonoke, Prairie, Pulaski	3 hr
Feb 28, 6:29 PM CST	Special Weather Statement	LZK	Arkansas	46 min
Feb 28, 7:13 PM CST	Special Weather Statement	LZK	Cleveland, Dallas	47 min
Feb 28, 7:32 PM CST	River Flood Advisory	LZK	Saline	65 min
Feb 28, 7:33 PM CST	River Flood Advisory	LZK	Clark, Hot Spring	65 min
Feb 28, 7:46 PM CST	Flash Flood Warning	LZK	Arkansas, Calhoun, Cleveland, Dallas, Desha, Lincoln and 1 more	2 hr
Feb 28, 8:37 PM CST	River Flood Warning	LZK	Saline	14 hr
Feb 28, 8:38 PM CST	River Flood Warning	LZK	Clark, Hot Spring	37 hr
Feb 28, 8:43 PM CST	Flash Flood Warning	LZK	Calhoun, Ouachita	77 min
Feb 28, 10:07 PM CST	Flash Flood Warning	LZK	Bradley, Calhoun, Cleveland, Drew	106 min
Mar 1, 10:05 AM CST	River Flood Advisory	LZK	White, Woodruff	24 hr
Mar 1, 10:05 AM CST	River Flood Advisory	LZK	Arkansas, Monroe	47 hr
Mar 1, 10:18 AM CST	River Flood Advisory	LZK	Independence, Jackson, Lawrence	23 hr

Nearby

Flash Flood Warnings in Arkansas, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.