Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 5, NWS Little Rock, AR

February 28, 20216 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Feb 28, 2021, 6:18 PM CST for 6 counties in Arkansas. It was in force for 3 hr. 1 report 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: Feb 28, 2021, 6:18 PM CST (00:18 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, Grant County, AR, Jefferson County, AR, Lonoke County, AR, Prairie County, AR, Pulaski County, AR

The radar

The Little Rock radar (KLZK), 54 km from the middle of the area, began a volume at 00:21 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

Time	Report	Where	Remark
Feb 28, 7:18 PM CST	FLASH FLOOD	Pine Bluff, AR	SEVERAL STREETS REPORTED TO BE UNDER WATER IN DOWNTOWN PINE BLUFF.

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 00:00Z, 0.3 hours before the alert went out and 195 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.

565 
WGUS54 KLZK 010018
FFWLZK
ARC001-053-069-085-117-119-010215-
/O.NEW.KLZK.FF.W.0005.210301T0018Z-210301T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Northeastern Grant County in central Arkansas...
  Southern Lonoke County in central Arkansas...
  South Central Prairie County in central Arkansas...
  Southeastern Pulaski County in central Arkansas...
  Northwestern Arkansas County in southeastern Arkansas...
  Jefferson County in southeastern Arkansas...

* Until 815 PM CST.

* At 617 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, White Hall, England, Redfield, Altheimer, 
  Humphrey, Humnoke, Keo, Ulm, Hensley Island, Madding, Warbritton, 
  Pine Bluff Arsenal, Brummitt, Parkers Corner, Stuttgart Municipal 
  Airport, Orion, Wabbaseka and Allport.

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 3422 9231 3449 9228 3449 9225 3458 9224
      3458 9226 3471 9158 3451 9140 3442 9142
      3421 9180 3417 9201 3420 9227

FLASH FLOOD...RADAR INDICATED

$$

Cooper

3 follow-up statements

809 
WGUS74 KLZK 010135
FFSLZK

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

ARC119-010145-
/O.CAN.KLZK.FF.W.0005.000000T0000Z-210301T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pulaski AR-
735 PM CST Sun Feb 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN PULASKI 
COUNTY...

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 3422 9231 3449 9228 3449 9203 3456 9203
      3471 9158 3451 9140 3442 9142 3421 9180
      3417 9201 3420 9227

$$

ARC001-053-069-085-117-010215-
/O.CON.KLZK.FF.W.0005.000000T0000Z-210301T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Arkansas AR-Grant AR-Jefferson AR-Lonoke AR-Prairie AR-
735 PM CST Sun Feb 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CST THIS 
EVENING FOR NORTHEASTERN GRANT, SOUTHEASTERN LONOKE, SOUTH CENTRAL 
PRAIRIE, NORTHWESTERN ARKANSAS AND JEFFERSON COUNTIES...

At 735 PM CST, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 3.5 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, White Hall, England, Redfield, Altheimer, 
  Humphrey, Humnoke, Ulm, Madding, Warbritton, Hensley Island, 
  Brummitt, Pine Bluff Arsenal, Parkers Corner, Stuttgart Municipal 
  Airport, Orion, Wabbaseka, Allport and Coy.

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 3422 9231 3449 9228 3449 9203 3456 9203
      3471 9158 3451 9140 3442 9142 3421 9180
      3417 9201 3420 9227

FLASH FLOOD...RADAR INDICATED

$$

Cooper

214 
WGUS54 KLZK 010200
FFWLZK
ARC001-053-069-085-117-010300-
/O.EXT.KLZK.FF.W.0005.000000T0000Z-210301T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Little Rock has extended the

* Flash Flood Warning for...
  Northeastern Grant County in central Arkansas...
  Southeastern Lonoke County in central Arkansas...
  South Central Prairie County in central Arkansas...
  Northwestern Arkansas County in southeastern Arkansas...
  Jefferson County in southeastern Arkansas...

* Until 900 PM CST.

* At 800 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3.5 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, White Hall, England, Redfield, Altheimer, 
  Humphrey, Humnoke, Ulm, Madding, Warbritton, Hensley Island, 
  Brummitt, Pine Bluff Arsenal, Parkers Corner, Stuttgart Municipal 
  Airport, Orion, Wabbaseka, Allport and Coy.

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 3422 9231 3449 9228 3449 9203 3456 9203
      3471 9158 3451 9140 3442 9142 3421 9180
      3417 9201 3420 9227

FLASH FLOOD...RADAR INDICATED

$$

Cooper

864 
WGUS74 KLZK 010257 RRA
FFSLZK

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

ARC001-053-069-085-117-010307-
/O.EXP.KLZK.FF.W.0005.000000T0000Z-210301T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Arkansas AR-Grant AR-Jefferson AR-Lonoke AR-Prairie AR-
857 PM CST Sun Feb 28 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 9 PM CST THIS EVENING FOR 
NORTHEASTERN GRANT, SOUTHEASTERN LONOKE, SOUTH CENTRAL PRAIRIE, 
NORTHWESTERN ARKANSAS AND JEFFERSON 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 3422 9231 3449 9228 3449 9203 3456 9203
      3471 9158 3451 9140 3442 9142 3421 9180
      3417 9201 3420 9227

$$

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, 6:28 PM CST	Flash Flood Warning	LZK	Arkansas, Cleveland, Jefferson, Lincoln, Monroe, Prairie	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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.